Infections and infestations
Sepsis
Last revised in March 2026
Sepsis is an overwhelming and life-threatening inflammatory response to a severe infection, which can lead to tissue damage, organ failure, and death.
Sepsis
- Sepsis is a syndrome defined as life-threatening organ dysfunction due to a dysregulated host response to infection.
- Septic shock is a subset of sepsis, which describes circulatory, cellular, and metabolic abnormalities that are associated with a greater risk of mortality than sepsis alone.
- It is thought to be a multifactorial response to an infecting pathogen that may be amplified by host factors (such as genetics, age, and co-morbidities), the pathogen (type, virulence, and burden), and the environment.
- The most common sites of infection leading to sepsis are the respiratory, gastrointestinal, renal, and genitourinary tracts.
- Risk factors for sepsis include extremes of age; people who are frail, immunocompromised, or immunosuppressed; people who have had recent trauma or surgery; people with a breach in skin integrity; and women who are pregnant, are post-partum, or have had a recent termination of pregnancy or miscarriage.
- The incidence of sepsis is increasing, but the case fatality rate may be falling due to increased reporting and recognition of sepsis diagnoses.
- Complications of sepsis include organ failure, recurrent or secondary infection, and death.
- Sepsis should be suspected in any person presenting with:
- Symptoms or signs indicating possible infection causing significant illness or deterioration. These may be non-specific and non-localized, such as general malaise, agitation, or behavioural change.
- One or more risk factor(s) for sepsis, and who looks unwell.
- Concern from a relative or carer that there is a change in appearance or behaviour.
- Urgent assessment of a person with suspected sepsis should include:
- Evaluation for physiological symptoms and signs to identify markers of increased risk of severe illness or death.
- Use of a sepsis risk stratification tool to assess the risk of clinical deterioration from sepsis.
- Depending on clinical judgement, management of a person with suspected sepsis may include:
- Arranging emergency transfer to hospital (usually by 999 ambulance) if the person is at high risk of severe illness or death from sepsis, or moderate-to-high risk in certain clinical situations.
- Managing the person in primary care if they are at high risk of severe illness or death from sepsis, but transfer of care to hospital would be unnecessarily burdensome or inappropriate, for example people who are very frail or approaching the end of life.
- Managing any underlying condition and arranging follow-up in primary care, if there are any moderate-to-high risk criteria for severe illness or death from sepsis, and a definitive diagnosis has been identified, and this can be treated in primary care.
- Managing the person in primary care if they are at low risk of severe illness or death from sepsis, and providing safety-netting information.
- Management of a person with a confirmed diagnosis of sepsis following hospital discharge may include:
- Providing the person and/or carers with advice on the nature of sepsis, what to expect during recovery, and sources of information and support.
- Assessing and managing any complications following sepsis, such as anxiety and/or post-traumatic stress disorder; persistent fatigue; or chronic pain.
Have I got the right topic?
From age 1 month onwards.
This CKS topic is largely based on the National Institute for Health and Care Excellence (NICE) guidelines Suspected sepsis: recognition, diagnosis and early management [NICE, 2024] and Neutropenic sepsis: prevention and management in people with cancer [NICE, 2020], a consensus document published by the Society of Critical Care Medicine and the European Society of Intensive Care Medicine The third international consensus definitions for sepsis and septic shock (sepsis-3) [Singer, 2016], the international consensus report Surviving Sepsis Campaign: International guidelines for management of sepsis and septic shock 2021 [Evans, 2021], and the UK Sepsis Trust publication The sepsis manual [Daniels, 2024].
This CKS topic covers when to suspect and refer cases of suspected sepsis in children over one month of age and adults in primary care.
This CKS topic does not cover the detailed diagnosis or specialist management of sepsis in secondary care. In addition, it does not cover the detailed assessment and management of people with suspected neutropenic sepsis.
There are separate CKS topics on Chest infections - adult, Cough - acute with chest signs in children, Feverish children - risk assessment and management, Meningitis - bacterial meningitis and meningococcal disease, Neutropenic sepsis, Urinary tract infection (lower) - men, Urinary tract infection (lower) - women, and Urinary tract infection - children.
The target audience for this CKS topic is healthcare professionals working within the NHS in the UK, and providing first contact or primary healthcare.
How up-to-date is this topic?
Changes
March 2026 — minor update. Revised the sepsis six to encompass paediatric guidance.
Previous changes
February 2026 — minor update. Revised the sepsis six in line with the Sepsis Trust manual 7th edition.
November 2025 — minor update. Updated to align with the updated NICE guideline NG253 Suspected sepsis in people aged 16 or over: recognition, assessment and early management published November 2025.
October 2024 — minor update. Links to the Sepsis Trust clinical tools have been updated.
September 2024 — minor update. Quality statements temporarily removed from this topic due to ongoing updates to NICE guidelines on sepsis, which underpin the quality statements.
August 2024 — minor update. A minor typographical error has been corrected.
February 2024 — reviewed. A literature search was conducted in February 2024 to identify evidence-based guidelines, UK policy, systematic reviews, and key randomized controlled trials (RCTs) published since the last revision of this topic. Recommendations have been aligned to the updated NICE guideline Suspected sepsis: recognition, diagnosis and early management.
December 2023 — minor update. Recommendations relating to COVID-19 infection have been removed from this topic.
April 2020 — minor update. New management scenario created to provide information regarding COVID-19.
October 2019 — minor update. Changes to the text made following feedback from external reviewers.
May to June 2019 — this is a new CKS topic which is largely based on the National Institute for Health and Care Excellence (NICE) clinical guideline Sepsis: recognition, assessment and early management. A literature search was conducted in April 2019 to identify evidence-based guidelines, UK policy, systematic reviews, and key randomized controlled trials. The evidence-base has been reviewed in detail, and recommendations are clearly justified and transparently linked to the supporting evidence.
Update
New evidence
Evidence-based guidelines
No new evidence-based guidelines since 1 February 2024.
HTAs (Health Technology Assessments)
No new HTAs since 1 February 2024.
Economic Appraisals
No new economic appraisals relevant to England since 1 February 2024.
Systematic reviews and meta-analyses
- Abdul-Aziz MH, Hammond NE, Brett SJ, et al. (2024) Prolonged vs Intermittent Infusions of β-Lactam Antibiotics in Adults With Sepsis or Septic Shock: A Systematic Review and Meta-Analysis. JAMA. https://jamanetwork.com/ [Abstract]
- Legge, A. A., Middleton, J. L., Fiander, M., et al. (2024). Shorter versus longer duration antibiotic regimens for treatment of culture-positive neonatal sepsis. The Cochrane database of systematic reviews, 7(7), CD015555. [Abstract]
Primary evidence
Legge, A. A., Middleton, J. L., Fiander, M., Cracknell, J., Osborn, D. A., & Gordon, A. (2024). Shorter versus longer duration antibiotic regimens for treatment of culture-positive neonatal sepsis. The Cochrane database of systematic reviews, 7(7), CD015555.
New policies
No new national policies or guidelines since 1 February 2024.
New safety alerts
No new safety alerts since 1 February 2024.
Changes in product availability
No changes in product availability since 1 February 2024.
Goals and outcome measures
Goals
To support primary healthcare professionals to:
- Be aware of when to suspect a diagnosis of sepsis in primary care.
- Be aware of risk stratification tools that can be used to assess the risk of clinical deterioration, severe illness, or death from sepsis.
- Arrange emergency transfer to hospital if sepsis is suspected and the person is judged to be at high risk of severe illness or death, or at moderate-to-high risk and the person cannot be managed in primary care.
- Provide appropriate emergency management in primary care, if necessary, prior to hospital transfer.
- Provide advice and information to survivors of sepsis and their families/carers, and arrange follow-up as needed.
Outcome measures
No outcome measures were found during the review of this topic.Audit criteria
No audit criteria were found during the review of this topic.QOF indicators
No QOF indicators were found during the review of this topic.QIPP - Options for local implementation
No QIPP indicators were found during the review of this topic.NICE quality standards
No current NICE quality standards were found during the review of this topic.
Background information
What is it?
- According to the Third International Consensus Definitions for Sepsis and Septic Shock (Sepsis-3), sepsis is a syndrome defined as life-threatening organ dysfunction due to a dysregulated host response to infection [Shankar-Hari, 2016; Singer, 2016].
- Septic shock is a subset of sepsis, which describes circulatory, cellular, and metabolic abnormalities that are associated with a greater risk of mortality than sepsis alone.
- People with septic shock can be identified using the clinical criteria of persisting hypotension requiring vasopressor therapy to maintain a mean arterial pressure of 65 mmHg or more, and serum lactate level greater than 2 mmol/L despite adequate volume resuscitation [Singer, 2016; NICE, 2024].
- Septic shock is a subset of sepsis, which describes circulatory, cellular, and metabolic abnormalities that are associated with a greater risk of mortality than sepsis alone.
What causes it?
The exact pathophysiology of sepsis is not known, but it is thought to be a multifactorial response to an infecting pathogen that may be amplified by host factors (such as genetics, age, and comorbidities), the pathogen (type, virulence, and burden), and the environment [Singer, 2016; Cecconi, 2018].
- Activation of the immune system results in the production of both pro-inflammatory mediators (leading to cellular and tissue damage) and anti-inflammatory mediators (leading to immunosuppression). The resulting tissue hypoxia, mitochondrial dysfunction, macrovascular and microvascular dysfunction, and apoptosis are thought to be mediators of organ dysfunction [Cecconi, 2018; Poston, 2019].
- The most common sites of infection leading to sepsis are the respiratory, gastrointestinal, renal and genitourinary tracts, as well as blood, skin or soft tissue sources [Cecconi, 2018; Gauer, 2020].
- The most common causative organisms are Gram-negative and Gram-positive bacteria — Staphylococcus aureus, Pseudomonas species, and Escherichia coli are the most frequently identified organisms [Cecconi, 2018; Gauer, 2020].
- In children, Neisseria meningitides and Haemophilus influenzae may also be involved [Plunkett, 2015].
- Rarely, fungal, viral, or parasitic infections are causative [Gauer, 2020].
- In around 50% of people treated for sepsis no causative pathogen is identified [Gauer, 2020].
- About 80% of hospital-treated sepsis cases originate from community-acquired infection [Cecconi, 2018].
What are the risk factors?
Risk factors for sepsis include:
- Infants (aged under 1 year) and older people (aged over 75 years).
- People:
- Who are very frail.
- Who are immunocompromised due to a comorbid condition (such as diabetes mellitus, HIV, cirrhosis, sickle cell disease, or asplenia). See the CKS topics on Diabetes - type 1, Diabetes - type 2, HIV infection and AIDS, Jaundice in adults, and Sickle cell disease for more information.
- Who are immunosuppressed due to drug treatment (such as anticancer treatment, oral corticosteroids, or other immunosuppressive drugs). See the CKS topics on Corticosteroids - oral, DMARDs, and Neutropenic sepsis for more information.
- Who have had repeated antibiotic treatment.
- Who have experienced trauma, undergone surgery, or other invasive procedures in the past 6 weeks.
- With any breach of skin integrity (for example cuts, burns, blisters, or skin infections). See the CKS topics on Burns and scalds and Cellulitis - acute for more information.
- Who misuse drugs intravenously or alcohol.
- With indwelling lines or catheters.
- Who have communication difficulties such as cognitive impairment, or those who need an interpreter.
- Who are homeless or living in a deprived area.
- Women who are pregnant, are post-partum, or have had a termination of pregnancy or miscarriage in the past 6 weeks, including those who have:
- Had a Caesarean section, forceps delivery, or removal of retained products of conception.
- Had prolonged rupture of membranes.
- Or have been in close contact with people with group A streptococcal infection, for example, scarlet fever. See the CKS topic on Scarlet fever for more information.
- Ongoing vaginal bleeding or an offensive vaginal discharge. See the CKS topic on Vaginal discharge for more information.
How common is it?
The true incidence of sepsis in the UK is uncertain due to varying definitions, data sources, diagnostic criteria, study populations, and other confounding factors. As a consequence, the reported incidence varies widely in the literature [Singer, 2016; Cecconi, 2018; AoMRC, 2022].
- During 2011-2015, each year on average there were 39,544 sepsis admissions to intensive care units in England and Wales [AoMRC, 2022].
- A change in national sepsis coding guidance in 2017 and an increase in hospital reimbursement for sepsis diagnoses led to an artificial 300% increase in reported sepsis numbers, however up to 40% of people initially diagnosed as having sepsis were later judged as not likely to be infected [Sepsis, 2019].
- An analysis by the UK Sepsis Trust of hospital episode statistics (HES) data for England for 2017/18 showed around 200,000 people were admitted to hospital with sepsis [Daniels, 2024].
- In 2022, sepsis was the underlying cause of 3770 deaths in England and Wales, and was the underlying cause or contributory factor in 25,542 deaths [ONS, 2023, Deaths from sepsis in the UK 2001 to 2022]
- A study of patients admitted with a 'suspicion of sepsis' in the Oxford region in 2013-14 estimated 17 admissions per 1000 adults per year, with a mortality of 7.2% — for the whole of the UK this would be 918,000 adult admissions per year and 66,096 deaths. The Academy of Medical Royal Colleges advises that the true number of confirmed bacterial sepsis admissions is lower than this [AoMRC, 2022].
- A systematic review of 23 international observational epidemiological studies of neonates and children found an estimated incidence of 48 cases per 100,000 person-years. The authors noted, however, considerable heterogeneity in study designs and settings with minimal data from low-income settings, leading to a likely underestimate of the true burden of sepsis in this age-group [Fleischmann-Struzek, 2018].
- In most epidemiological studies sepsis is found to be more common in men than in women [BMJ Best Practice, 2023].
- Sepsis can affect any age, however, it is most common in the elderly and the very young [NHS England, 2015].
What are the complications?
Sepsis is a leading cause of morbidity and mortality. Around 40% of sepsis survivors following hospital admission experience long-term sequelae ('Post-Sepsis Syndrome'). Possible complications of sepsis include [NHS England, 2015; Singer, 2016; Evans, 2021; Daniels, 2024]:
- Death
- In 2022, sepsis was the underlying cause of 3770 deaths in England and Wales, and was the underlying cause or contributory factor in 25,542 deaths [ONS, 2023, Deaths from sepsis in the UK 2001 to 2022]
- More than 25–30% of people with sepsis die from the condition [Cecconi, 2018].
- The UK and Ireland Confidential Enquiries into Maternal Deaths and Morbidity 2019–21 notes that sepsis is one of the most frequent direct causes of maternal death in the UK [MBRRACE-UK, 2023].
- Organ dysfunction and failure
- This may be multi-system and includes acute kidney injury (AKI), cholestasis, heart failure, acute respiratory distress syndrome (ARDS) or acute lung injury [Gotts, 2016; Cecconi, 2018; BMJ Best Practice, 2023]. See the CKS topics on Acute kidney injury, Jaundice in adults, and Heart failure - chronic for more information.
- Up to 60% of people with sepsis have AKI, which is an independent risk factor for mortality [Poston, 2019].
- Organ dysfunction is an important predictor of patient outcome and multiple organ dysfunction is associated with a high risk of death.
- This may be multi-system and includes acute kidney injury (AKI), cholestasis, heart failure, acute respiratory distress syndrome (ARDS) or acute lung injury [Gotts, 2016; Cecconi, 2018; BMJ Best Practice, 2023]. See the CKS topics on Acute kidney injury, Jaundice in adults, and Heart failure - chronic for more information.
- Recurrent and secondary infection
- People who survive early sepsis may develop hospital-acquired infections with atypical organisms, and may have reactivation of latent viruses, due to an impaired ability to mount an appropriate immune response to superadded infections [Gotts, 2016; Cecconi, 2018].
- Coagulopathy
- This may cause thromboembolism or disseminated intravascular coagulation (DIC) characterized by microthrombosis and haemorrhage [Cecconi, 2018; BMJ Best Practice, 2023]. Coagulopathy is associated with a worse prognosis. See the CKS topics on Deep vein thrombosis and Pulmonary embolism for more information.
- Reduced quality of life [Cecconi, 2018; Daniels, 2024]
- Neurological sequelae [BMJ Best Practice, 2023]
- Focal neurological deficits and hearing loss occur in up to 30% of patients with bacterial meningitis.
- Polyneuropathy occurs in 70% of people with sepsis and multi-organ failure.
- Cognitive and functional disability [Cecconi, 2018; Gauer, 2020]
- Psychological sequelae
- These may include anxiety about recurrent infection and sepsis, post-traumatic stress disorder, loss of confidence and self-esteem [Gauer, 2013; Daniels, 2024]. See the CKS topics on Generalized anxiety disorder and Post-traumatic stress disorder for more information.
What is the prognosis?
The reported prognosis of sepsis and septic shock varies in the literature, depending on the definitions used and the population studied [Singer, 2016].
- More than 25–30% of people with sepsis die from the condition, with hospital mortality for septic shock approaching 40–60% [Cecconi, 2018]. However, in high- and middle-income countries, deaths from sepsis are primarily in the elderly, frail, people with comorbid diseases, and the immunocompromised, many of whom are at or near the end of life [AoMRC, 2022].
- Around 77% of sepsis-related deaths in England are in people aged 75 years or older, while approximately 150 sepsis-related deaths occur annually in children aged 0–18 years — a hospital mortality of 0·075% [Sepsis, 2019].
- In a point prevalence study in Welsh hospitals including 521 people with sepsis and 136 deaths, 40 deaths were directly or possibly attributable to sepsis. Of these 40 deaths, 77·5% were in people who had substantial frailty, and 70% were in people who were not suitable for cardiopulmonary resuscitation in the event of cardiac arrest [Sepsis, 2019].
- Organ dysfunction is an important predictor of prognosis and is associated with a higher risk of mortality [Cecconi, 2018].
- In children with community-acquired sepsis admitted to European paediatric intensive care units (PICUs), mortality was 6%, increasing to 10% in the presence of septic shock. A third of survivors admitted to PICU were discharged with disability [AoMRC, 2022].
- Compared to non-sepsis admissions, sepsis survivors have a greater risk of re-admission.
- Between 19–32% of sepsis survivors are re-admitted within 30 days [Daniels, 2024].
- Almost 40% of sepsis survivors are re-hospitalized within 3 months, often for preventable conditions [Evans, 2021].
- People who survive sepsis may have long-term physical, psychological, and cognitive impairments [Singer, 2016].
- Factors associated with a poor prognosis in people with sepsis include [Poston, 2019; Gauer, 2020; Daniels, 2024]:
- Acute kidney injury.
- Disseminated intravascular coagulation.
- Hepatic failure.
- High lactate levels — the higher they are the worse the prognosis.
- Renal failure.
Diagnosis of sepsis
When should I suspect sepsis?
Be aware that sepsis can be challenging to identify, as the clinical presentation is variable depending on the underlying cause and the person's age and comorbidities.
- Suspect sepsis in any person who presents with:
- Symptoms or signs indicating possible infection causing significant illness or deterioration. This includes people who are deteriorating unexpectedly, or failing to improve as expected.
- One or more risk factor(s) for sepsis, and who looks unwell.
- Concern from a relative or carer that there is a change in appearance or behaviour.
- Be aware that:
- People with sepsis may present with non-specific, non-localized clinical features — for example, general malaise, agitation, or behavioural change.
- Older children may present with a focus of infection, while infants and neonates usually present with non-specific symptoms and signs.
- People with sepsis may not present with a raised core temperature, and may present with a lowered core temperature.
- Sepsis may result from infection with almost any pathogen, therefore it may present with a wide range of clinical features depending on the site of infection and host response.
- People with sepsis may present with non-specific, non-localized clinical features — for example, general malaise, agitation, or behavioural change.
- Suspect neutropenic sepsis in any person who becomes unwell who is receiving anticancer treatment, and manage appropriately. See the CKS topic on Neutropenic sepsis for more information.
Basis for recommendation
These recommendations are based on the National Institute for Health and Care Excellence (NICE) guidelines Suspected sepsis: recognition, diagnosis and early management [NICE, 2024] and Neutropenic sepsis: prevention and management in people with cancer [NICE, 2020], a consensus document published by the Society of Critical Care Medicine and the European Society of Intensive Care Medicine The third international consensus definitions for sepsis and septic shock (sepsis-3) [Singer, 2016], the UK Sepsis Trust publication The sepsis manual [Daniels, 2024], and expert opinion in narrative reviews Early recognition and management of sepsis in adults: the first six hours [Gauer, 2013], Sepsis in children [Plunkett, 2015], and Sepsis and septic shock [Cecconi, 2018].
How should I assess a person with suspected sepsis?
If a person with any infection presents with suspected sepsis, arrange urgent assessment to identify markers of increased risk of severe illness or death, and manage appropriately.
- Assess people who might have sepsis with extra care if they cannot give a good history — for example, people with English as a second language or people with communication difficulties (such as neurodiversity, cognitive impairment, learning difficulties, severe mental health conditions, or brain injury).
- Ask the person (or carers):
- About any recent fever or rigors.
- How often they have urinated in the past 18 hours.
- About any symptoms suggesting specific infection, such as dysuria or rash.
- If they have recently presented to their GP (or other healthcare setting) with symptoms or signs that could indicate sepsis.
- About clinical features suggesting dehydration, such as reduced urine output in the past 18 hours.
- If there has been any change in cognitive function, behaviour, or mental state — such as not responding normally to social cues or waking only with prolonged stimulation, new irritability in children, or new-onset confusion in adults. See the CKS topic on Delirium for more information.
- If there has been any sudden change or deterioration in functional ability.
- About possible risk factors for sepsis, including comorbidities and drug treatments.
- About possible risk factors for antibiotic resistance, such as recent or previous antibiotic therapy, recent hospital admissions, and residency in a care home, for example.
- About their immunization status (particularly in infants and young children).
- Examine the person to assess for:
- General appearance, level of consciousness and cognition.
- Cognitive assessment should include recognition of new-onset confusion, disorientation, and/or agitation. See the CKS topic on Delirium for detailed information on performing a cognitive assessment.
- Temperature.
- Fever is the most common presentation of sepsis, but the absence of fever or hypothermia does not exclude sepsis. See the CKS topics on Feverish children - risk assessment and management for more information on assessment.
- Hypothermia and absence of fever are more likely in older adults and in people with chronic alcohol abuse or immunosuppression.
- Take into account that some groups of people with sepsis may not develop a raised temperature (for example, people who are older or very frail, having treatment for cancer, severely ill with sepsis, with a spinal cord injury, and young infants or children).
- Take into account that a rise in temperature can be a physiological response (for example, after surgery or trauma).
- Heart rate, respiratory rate, and blood pressure.
- Signs of respiratory distress include nasal flaring, grunting, and apnoea in children less than 5 years of age.
- In children aged under 12 years, measure blood pressure and oxygen saturation if facilities, including a correctly-sized cuff or pulse oximeter, are available, and taking a measurement does not cause a delay in assessment or treatment.
- Hypotension is a presenting feature in 40% of people with sepsis, but be aware that a normal blood pressure does not exclude sepsis.
- Capillary refill time and oxygen saturation (abnormal results may indicate poor peripheral perfusion).
- Skin changes or damage.
- Mottled or ashen appearance; pallor or cyanosis of the skin, lips, or tongue; or cold hands or feet.
- A non-blanching petechial or purpuric rash which may suggest meningococcal disease. See the CKS topic on Meningitis - bacterial meningitis and meningococcal disease for more information on assessment and emergency management.
- Any breach of skin integrity (for example cuts, burns, or skin infections) or other skin signs suggesting infection, such as erythema, swelling or discharge at a surgical site, or wound breakdown. See the CKS topics on Burns and scalds and Cellulitis - acute for more information.
- A weak high-pitched or continuous cry (in children under 5 years of age).
- Dry mucous membranes or other signs of dehydration. See the CKS topic on Feverish children - risk assessment for more information on assessment.
- The possible underlying source of infection.
- General appearance, level of consciousness and cognition.
- Grade the risk of severe illness or death from sepsis using the person's history, physical examination and criteria based on age.
- The following UK Sepsis Trust general practice sepsis screening and action tools may be useful:
- Consider using an early warning score (for example, NEWS2) to assess people who are:
- Aged under 16 years, in any setting.
- Pregnant, or who have recently been pregnant, in any setting.
- Aged 16 years or over, in a community or custodial setting.
Basis for recommendation
These recommendations are based on the National Institute for Health and Care Excellence (NICE) guideline Suspected sepsis: recognition, diagnosis and early management [NICE, 2024], the international consensus report Surviving Sepsis Campaign: International guidelines for management of sepsis and septic shock 2021 [Evans, 2021], a consensus document published by the Society of Critical Care Medicine and the European Society of Intensive Care Medicine The third international consensus definitions for sepsis and septic shock (Sepsis-3) [Singer, 2016], the UK Sepsis Trust publication The sepsis manual [Daniels, 2024], the BMJ Best Practice guide Sepsis in adults [BMJ Best Practice, 2023], and expert opinion in narrative reviews Sepsis: diagnosis and management [Gauer, 2020], Sepsis in children [Plunkett, 2015], The recognition and management of sepsis and septic shock: a guide for non-intensivists [Keeley, 2017], and Sepsis and septic shock [Cecconi, 2018].
Use of NEWS2 in primary care
- NICE recommends using the NEWS2 tool to assess people with suspected sepsis who are aged 16 or over, are not and have not recently been pregnant, and are in an acute hospital setting, acute mental health setting or ambulance. In addition, it recommends considering using a national early warning score to assess people with suspected sepsis who are aged under 16 years, in any setting; pregnant, or who have recently been pregnant, in any setting; and people aged 16 years or over in a community or custodial setting [NICE, 2024].
- NICE also recommends using criteria based on age as well as history and physical examination results to grade the risk of severe illness or death from sepsis.
- While use of NEWS2 is mandated across all hospital and ambulance trusts in England, it has not been validated for use in primary care, and the Royal College of General Practitioners Guidance recommends the use of physiological measurements when assessing patients at risk of deterioration in primary care as an adjunct to (not as a replacement for) clinical judgement, and recommends further research on the use of NEWS2 in this setting [AoMRC, 2022].
- The Academy of Medical Royal Colleges (AoMRC) notes that while use of NEWS2 as a clinical decision-support tool not requiring clinical judgement remains to be validated in general practice (where pre-test probabilities for severe illness are lower than in the emergency department) studies in patients referred emergently to hospital showed a clear relationship between increasing scores and increasing mortality risk. The AoMRC advises that NEWS2 may be used in community settings (such as primary care) and particularly at the interfaces of care to enable adequate and appropriate prioritisation, planning and placement, but should be used in conjunction with clinical assessment and not replace clinical judgement [AoMRC, 2022].
- NICE notes that while NEWS2 is widely used across the NHS pre-hospital and acute care settings, evidence on NEWS2 has not been found. It makes a research recommendation to investigate the success, safety and possible implications on people with suspected sepsis and clinical staff of using NEWS2 to stratify the risk of severe illness or death from sepsis. It also states that lack of data to stratify risk of severe illness or death from sepsis and estimate possible risk of deterioration in people with a single parameter contributing 3 points to their NEWS2 score is also of great concern, and that data relating to this is scarce and its interpretation contradictory [NICE, 2024].
- Expert opinion in a narrative review is that NEWS is not validated for use in primary care and it may lead to overuse of antibiotics and inappropriate referral of patients to emergency departments. Or, conversely, it may also lead to patients with early sepsis being missed in primary care because the early symptoms can be similar to those of less serious infections [Morgan, 2019].
Risk stratification for adults, children, and young people with suspected sepsis
- People with suspected sepsis are at:
- High risk of severe illness or death from sepsis if they meet any of the relevant high risk criteria.
- Moderate to high risk of severe illness or death from sepsis if they meet any of the relevant moderate to high risk criteria.
- People with suspected sepsis who do not meet any high or moderate to high risk criteria are at low risk of severe illness or death from sepsis.
- See Tables 1, 2 and 3 for details of clinical features and risk categories.
Table 1. Children aged under 5 years
Category | Age | High risk criteria | Moderate to high risk criteria |
|---|---|---|---|
Behaviour | Any | No response to social cues Appears ill to a healthcare professional Does not wake, or if roused does not stay awake Weak high pitched or continuous cry | Not responding normally to social cues No smile Wakes only with prolonged stimulation Decreased activity Parent or carer concern that child is behaving differently from usual |
Respiratory | Any | Grunting Apnoea Oxygen saturation of less than 90% in air or increased oxygen requirement over baseline | Oxygen saturation of less than 92% in air or increased oxygen requirement over baseline Nasal flaring |
Under 1 year | Raised respiratory rate: 60 breaths per minute or more | Raised respiratory rate: 50–59 breaths per minute | |
1–2 years | Raised respiratory rate: 50 breaths per minute or more | Raised respiratory rate: 40–49 breaths per minute | |
3–4 years | Raised respiratory rate: 40 breaths per minute or more | Raised respiratory rate: 35–39 breaths per minute | |
Circulation and hydration | Any | Bradycardia: heart rate less than 60 beats per minute | Capillary refill time of 3 seconds or more Reduced urine output For catheterized patients, passed less than 1 ml/kg of urine per hour |
Under 1 year | Rapid heart rate: 160 beats per minute or more | Rapid heart rate: 150–159 beats per minute | |
1–2 years | Rapid heart rate: 150 beats per minute or more | Rapid heart rate: 140–149 beats per minute | |
3–4 years | Rapid heart rate: 140 beats per minute or more | Rapid heart rate: 130–139 beats per minute | |
Skin | Any | Mottled or ashen appearance Cyanosis of skin, lips, or tongue Non-blanching rash of skin or purpric rash | Pallor of skin, lips, or tongue |
Temperature | Any | Less than 36ºC |
|
Under 3 months | 38°C or more |
| |
3–6 months |
| 39°C or more | |
Other | Any |
| Leg pain Cold hands or feet |
Table 2. Children aged 5–11 years
Category | Age | High risk criteria | Moderate to high risk criteria |
|---|---|---|---|
Behaviour | Any | Objective evidence of altered behaviour or mental state Appears ill to a healthcare professional Does not wake or if roused does not stay awake | Not behaving normally Decreased activity Parent or carer concern that the child is behaving differently from usual |
Respiratory | Any | Oxygen saturation of less than 90% in air or increased oxygen requirement over baseline | Oxygen saturation of less than 92% in air or increased oxygen requirement over baseline |
Aged 5 years | Raised respiratory rate: 29 breaths per minute or more | Raised respiratory rate: 24–28 breaths per minute | |
Aged 6–7 years | Raised respiratory rate: 27 breaths per minute or more | Raised respiratory rate: 24–26 breaths per minute | |
Aged 8–11 years | Raised respiratory rate: 25 breaths per minute or more | Raised respiratory rate: 22–24 breaths per minute | |
Circulation and hydration | Any | Heart rate less than 60 beats per minute | Capillary refill time of 3 seconds or more Reduced urine output For catheterized patients, passed less than 1 ml/kg of urine per hour |
Aged 5 years | Raised heart rate: 130 beats per minute or more | Raised heart rate: 120–129 beats per minute | |
Aged 6–7 years | Raised heart rate: 120 beats per minute or more | Raised heart rate: 110–119 beats per minute | |
Aged 8–11 years | Raised heart rate: 115 beats per minute or more | Raised heart rate: 105–114 beats per minute | |
Temperature | Any |
| Tympanic temperature less than 36°C |
Skin | Any | Mottled or ashen appearance Cyanosis of skin, lips, or tongue Non-blanching rash of skin |
|
Other | Any |
| Leg pain Cold hands or feet |
Table 3. Children aged 12 to 15 years, people aged over 16 years, people who are currently or recently pregnant
Category | High risk criteria | Moderate to high risk criteria |
|---|---|---|
History | Objective evidence of new altered mental state | History from patient, friend, or relative of new onset of altered behaviour or mental state History of acute deterioration of functional ability Impaired immune system (illness or drugs including oral steroids) Trauma, surgery, or invasive procedures in the last 6 weeks |
Respiratory | Raised respiratory rate: 25 breaths per minute or more New need for oxygen (40% FiO2 or more) to maintain saturation more than 92% (or more than 88% in known chronic obstructive pulmonary disease) | Raised respiratory rate: 21–24 breaths per minute |
Blood pressure | Systolic blood pressure 90 mmHg or less or systolic blood pressure more than 40 mmHg below normal | Systolic blood pressure 91–100 mmHg |
Circulation and hydration | Raised heart rate: more than 130 beats per minute Not passed urine in previous 18 hours For catheterized patients, passed less than 0.5 ml/kg of urine per hour | Raised heart rate: 91–130 beats per minute (for pregnant women 100–130 beats per minute) or new onset arrhythmia Not passed urine in the past 12–18 hours For catheterized patients, passed 0.5–1 ml/kg of urine per hour |
Temperature |
| Tympanic temperature less than 36°C |
Skin | Mottled or ashen appearance Cyanosis of skin, lips, or tongue Non-blanching petechial or purpuric rash | Signs of potential infection, including redness, swelling, or discharge at surgical site or breakdown of wound |
Source: [NICE, 2024]
Basis for recommendation
These recommendations are based on the National Institute for Health and Care Excellence (NICE) guideline Suspected sepsis: recognition, diagnosis and early management [NICE, 2024].
What else might it be?
Alternative conditions that may present similarly to sepsis include:
- Acute alcohol withdrawal.
- Acute blood loss and hypovolaemia.
- Acute delirium. See the CKS topic on Delirium for more information.
- Acute myocardial infarction. See the CKS topic on Chest pain for more information.
- Acute pancreatitis. See the CKS topic on Pancreatitis - acute for more information.
- Adrenal crisis.
- Diabetic ketoacidosis. See the CKS topic on Diabetes - type 1 for more information.
- Heart failure. See the CKS topic on Heart failure - chronic for more information.
- Intoxication and poisoning, including carbon monoxide poisoning. See the CKS topics on Poisoning or overdose and Carbon monoxide poisoning for more information.
- Pulmonary embolism. See the CKS topic on Pulmonary embolism for more information.
- Thyrotoxicosis. See the CKS topic on Hyperthyroidism for more information.
- Trauma and tissue injury, burns. See the CKS topic on Burns and scalds for more information.
- Drug reactions, including neuroleptic malignant syndrome (an idiosyncratic complication of antipsychotic drug use, characterized by hyperthermia, rigidity, sweating, and labile blood pressure). See the CKS topics on Bipolar disorder and Psychosis and schizophrenia for more information.
Basis for recommendation
This information is based on the BMJ Best Practice guide Sepsis in adults [BMJ Best Practice, 2023], and expert opinion in narrative reviews Sepsis: diagnosis and management [Gauer, 2020], Early recognition and management of sepsis in adults: the first six hours [Gauer, 2013], Sepsis in children [Plunkett, 2015], and Sepsis: pathophysiology and clinical management [Gotts, 2016].
- The inclusion of heart failure, acute delirium, and intoxication and poisoning as possible differentials of sepsis are based on the expert opinion of an external reviewer of this CKS topic.
Management
Management
From age 1 month onwards.
How should I manage a person with suspected sepsis?
If a person has suspected sepsis, consider arranging emergency transfer to hospital or ongoing management in primary care, depending on the risk of clinical deterioration from sepsis following assessment and on clinical judgement.
- Arrange immediate hospital assessment in secondary or tertiary care for people with suspected neutropenic sepsis. See the CKS topic on Neutropenic sepsis for more information.
- If neutropenic sepsis is not suspected, arrange emergency transfer to hospital (usually by 999 ambulance) if there are any:
- High risk criteria for severe illness or death from sepsis.
- Pre-alert secondary care when any high risk criteria are met in people outside an acute hospital setting, and transfer them immediately.
- Consider administering broad-spectrum antibiotics if there are any high risk criteria in a pre-hospital setting in remote and rural locations where the transfer time is more than one hour, depending on clinical judgement and local protocols.
- Consider managing the person in primary care if they are at high risk of severe illness or death from sepsis, but transfer of care to hospital would be unnecessarily burdensome or inappropriate, for example, people who are very frail or approaching the end of life. See the CKS topic on Palliative care - general issues for more information.
- Moderate to high risk criteria for severe illness or death from sepsis in a child or young person aged under 16 years and they are immunocompromised or immunosuppressed.
- High risk criteria for severe illness or death from sepsis.
- For other people with Moderate to high risk criteria for severe illness or death from sepsis, make a definitive diagnosis and decide whether they can be treated safely in primary care.
- Manage any underlying condition and arrange further investigations and follow-up as appropriate, depending on clinical judgement.
- Provide information on symptoms to monitor and clinical features of deterioration, and how to access emergency medical care if needed.
- If a definitive diagnosis is not reached, or the person's condition cannot be treated safely outside an acute hospital setting, arrange emergency transfer to hospital (usually by 999 ambulance).
- If there are no high risk or moderate to high risk criteria for severe illness or death from sepsis, provide information on:
- Symptoms to monitor.
- How to access emergency medical care if they are concerned.
Specialist assessment and management
Specialist assessment and management in an acute hospital setting involves implementation of the UK Sepsis Trust 'Sepsis Six' bundle within the first hour following recognition of sepsis:
- Ensure a senior clinician attends.
- Give oxygen therapy to people with oxygen saturations less than 92% to maintain oxygen saturation 94-98% unless contraindicated.
- Obtain intravenous access take blood tests and microbiology samples including:
- Glucose and lactate measurement — hypoglycaemia may result from depleted glycogen stores; hyperglycaemia may result from the stress response to sepsis; hyperlactataemia is a non-specific indicator of cellular or metabolic stress and is a marker of illness severity, with a higher level predictive of higher mortality rates.
- Blood cultures — ideally done before antibiotic administration, to identify a primary bacteraemia.
- Full blood count — white cell count may be high or low; thrombocytopenia may indicate disseminated intravascular coagulation (DIC).
- C-reactive protein (CRP) — may indicate infection and/or inflammation.
- Clotting screen — if abnormal may indicate coagulopathy/DIC.
- Urine analysis and culture, chest X-ray, lumbar puncture, and additional investigations depending on the person's clinical presentation — this may allow identification of the source of infection, pathogen(s) and sensitivities, and subsequent tailoring and/or de-escalation of antibiotic therapy if appropriate. Source control to eliminate a focus of infection may be possible, such as abscess drainage, debridement of infected tissue, removal of infected devices or foreign bodies, or surgery.
- Give an intravenous broad-spectrum antibiotic at the maximum recommended dose. The choice of antibiotic will depend on the person's age, clinical presentation, most likely source of infection, recent antibiotic use, and local antibiotic prescribing guidelines.
- Give an intravenous fluid bolus to restore tissue perfusion. Use lactate to help guide fluid therapy.
- Monitor. Use NEWS2 (PEWS for children). Check urine output, monitor fluid balance hourly, and monitor the person's clinical condition. This may include using a track-and-trigger scoring system or early warning score to identify people at risk of deterioration. Repeat lactate at least hourly if initial lactate is elevated.
- In children, consider ionotropic support early if normal physiology has not been restored by fluid rescusitation.
Transfer to critical care may be needed to assess the need for central venous access and initiation of inotropes (increase cardiac output by increasing cardiac contractility) or vasopressors (increase blood pressure by increasing peripheral vascular resistance), to maintain perfusion pressure.
[Plunkett, 2015; Keeley, 2017; Gauer, 2020; Evans, 2021; BMJ Best Practice, 2023; NICE, 2024; Daniels, 2024]
Basis for recommendation
These recommendations are based on the National Institute for Health and Care Excellence (NICE) guidelines Suspected sepsis: recognition, diagnosis and early management [NICE, 2024] and Neutropenic sepsis: prevention and management in people with cancer [NICE, 2020].
Management in primary care
- The recommendation to consider managing the person in primary care if they are at high risk of severe illness or death from sepsis, but transfer of care to hospital would be unnecessarily burdensome or inappropriate is based on the expert opinion of an external reviewer of this CKS topic.
- NICE recommends making a definitive diagnosis in people with moderate to high risk criteria for severe illness or death from sepsis and deciding whether they can be treated safely outside hospital. The recommendation to manage any underlying condition and arrange further investigations and follow-up as appropriate, depending on clinical judgement, and provide information on symptoms to monitor and clinical features of deterioration, and how to access emergency medical care if needed, is pragmatic, based on what CKS considers good medical practice.
How should I follow-up a person following confirmed sepsis?
- Provide the person and/or carers with information and advice about sepsis if this has not already been provided in hospital, such as:
- What sepsis is and why they developed sepsis.
- Whether they are likely to develop sepsis again.
- If more investigations are needed.
- Details of any community care needed.
- What they should expect during recovery arrangements for follow-up, including specific critical care follow-up if relevant.
- Possible short-term and long-term problems.
- Signpost to sources of information, such as the NHS patient leaflet Sepsis.
- Give people who have had sepsis and their families and carers information about national charities and support groups that provide information about sepsis and the causes of sepsis.
- For example, the UK Sepsis Trust (sepsistrust.org) — a national charity that provides support for people or carers affected by sepsis. It runs a free helpline (0808 800 0029), online support groups, and provides patient information booklets, including Sepsis: a guide for patients and relatives; Recovery after critical illness; and Legal advice after sepsis.
- Consider assessing for complications (such as physical, cognitive, or emotional problems) if the person is not recovering as expected, and managing appropriately. For example:
- Symptoms of anxiety and/or post-traumatic stress disorder — see the CKS topics on Generalized anxiety disorder and Post-traumatic stress disorder for more information on management.
- Persistent fatigue not attributable to other causes — consider referral to occupational therapy and/or physiotherapy for ongoing support. See the CKS topic on Tiredness/fatigue in adults for more information.
- Chronic pain not attributable to other causes — consider referral to a pain clinic for ongoing management.
- Recurrent episodes of confirmed sepsis and/or recurrent infections — consider referral to an Immunology specialist to assess for underlying causes of immunocompromise.
- If a child has a family history compatible with primary immunodeficiency (such as complement disorders) — ensure a referral to a paediatric immunologist has been arranged for further assessment, the urgency depending on clinical judgement.
Basis for recommendation
These recommendations are based on the National Institute for Health and Care Excellence (NICE) guideline Suspected sepsis: recognition, diagnosis and early management [NICE, 2024], the UK Sepsis Trust publication The sepsis manual [Daniels, 2024], the international consensus report Surviving Sepsis Campaign: International guidelines for management of sepsis and septic shock 2021 [Evans, 2021], and expert opinion in a narrative review Sepsis in children [Plunkett, 2015].
Supporting evidence
This CKS topic is largely based on the National Institute for Health and Care Excellence (NICE) guidelines Suspected sepsis: recognition, diagnosis and early management [NICE, 2024] and Neutropenic sepsis: prevention and management in people with cancer [NICE, 2020], a consensus document published by the Society of Critical Care Medicine and the European Society of Intensive Care Medicine The third international consensus definitions for sepsis and septic shock (sepsis-3) [Singer, 2016], the international consensus report Surviving Sepsis Campaign: International guidelines for management of sepsis and septic shock 2021 [Evans, 2021], and the UK Sepsis Trust publication The sepsis manual [Daniels, 2024]. The rationale for the individual recommendations is discussed in the relevant basis for recommendation sections.
How this topic was developed
This section briefly describes the processes used in developing and updating this topic. Further details on the full process can be found in the About Us section and on the Clarity Informatics website.
Search strategy
Scope of search
A literature search was conducted for guidelines and systematic reviews on primary care management of sepsis.
Search dates
April 2019 - February 2024
Key search terms
The terms listed below are the core search terms that were used for EBSCOhost MEDLINE (searched 3rd April 2019). These were combined with filters to identify guidelines, systematic reviews and primary care relevant literature in EBSCOhost MEDLINE. The strategy was adapted for The Cochrane Library databases.
S3 S1 OR S2
S2 AB ( (sepsis or septicaemi* or septicemi* or (septic shock)) ) OR TI ( (sepsis or septicaemi* or septicemi* or (septic shock)) )
S1 (MH "Sepsis+")
Sources of guidelines
- National Institute for Health and Care Excellence (NICE)
- Scottish Intercollegiate Guidelines Network (SIGN)
- Royal College of Physicians
- Royal College of General Practitioners
- Royal College of Nursing
- NICE Evidence
- World Health Organization
- Guidelines International Network
- TRIP database
- Agency for Healthcare Research and Quality
- National Health and Medical Research Council (Australia)
- Royal Australian College of General Practitioners
- British Columbia Medical Association
- Canadian Medical Association
- Alberta Medical Association
- Michigan Quality Improvement Consortium
- Singapore Ministry of Health
- National Resource for Infection Control
- RefHELP NHS Lothian Referral Guidelines
- Medline (with guideline filter)
- Driver and Vehicle Licensing Agency
- NHS Health at Work (occupational health practice)
Sources of systematic reviews and meta-analyses
- The Cochrane Library:
- Systematic reviews
- Protocols
- Database of Abstracts of Reviews of Effects
- Medline (with systematic review filter)
- EMBASE (with systematic review filter)
Sources of health technology assessments and economic appraisals
- NIHR Health Technology Assessment programme
- The Cochrane Library:
- NHS Economic Evaluations
- Health Technology Assessments
- Canadian Agency for Drugs and Technologies in Health
- International Network of Agencies for Health Technology Assessment
Sources of randomized controlled trials
- The Cochrane Library:
- Central Register of Controlled Trials
- Medline (with randomized controlled trial filter)
- EMBASE (with randomized controlled trial filter)
Sources of evidence based reviews and evidence summaries
Sources of national policy
- Department of Health
- Health Management Information Consortium (HMIC)
Patient experiences
Sources of medicines information
The following sources are used by CKS pharmacists and are not necessarily searched by CKS information specialists for all topics. Some of these resources are not freely available and require subscriptions to access content.
Stakeholder engagement
Our policy
The external review process is an essential part of CKS topic development. Consultation with a wide range of stakeholders provides quality assurance of the topic in terms of:
- Clinical accuracy.
- Consistency with other providers of clinical knowledge for primary care.
- Accuracy of implementation of national guidance (in particular NICE guidelines).
- Usability.
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Patient engagement
Clarity Informatics has enlisted the support and involvement of patients and lay persons at all stages in the process of creating the content which include:
- Topic selection
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- First draft internal review
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Our lay and patient involvement includes membership on the editorial steering group, contacting expert patient groups, organizations and individuals.
Evidence exclusion criteria
Our policy
Scoping a literature search, and reviewing the evidence for CKS is a methodical and systematic process that is carried out by the lead clinical author for each topic. Relevant evidence is gathered in order that the clinical author can make fully informed decisions and recommendations. It is important to note that some evidence may be excluded for a variety of reasons. These reasons may be applied across all CKS topics or may be specific to a given topic.
Studies identified during literature searches are reviewed to identify the most appropriate information to author a CKS topic, ensuring any recommendations are based on the best evidence. We use the principles of the GRADE and PICOT approaches to assess the quality of published research. We use the principles of AGREE II to assess the quality of published guidelines.
Standard exclusions for scoping literature:
- Animal studies
- Original research is not written in English
Possible exclusions for reviewed literature:
- Sample size too small or study underpowered
- Bias evident or promotional literature
- Population not relevant
- Intervention/treatment not relevant
- Outcomes not relevant
- Outcomes have no clear evidence of clinical effectiveness
- Setting not relevant
- Not relevant to UK
- Incorrect study type
- Review article
- Duplicate reference
Organizational, behavioural and financial barriers
Our policy
The CKS literature searches take into consideration the following concepts, which are discussed at the initial scoping of the topic.
- Feasibility
- Studies are selected depending on whether the intervention under investigation is available in the NHS and can be practically and safely undertaken in primary care.
- Organizational and Financial Impact Analysis
- Studies are selected and evaluated on whether the intervention under investigations may have an impact on local clinical service provision or national impact on cost for the NHS. The principles of clinical budget impact analysis are adhered to, evaluated and recorded by the author. The following factors are considered when making this assessment and analysis.
- Eligible population
- Current interventions
- Likely uptake of new intervention or recommendation
- Cost of the current or new intervention mix
- Impact on other costs
- Condition-related costs
- In-direct costs and service impacts
- Time dependencies
- Cost-effectiveness or cost-benefit analysis studies are identified where available.
We also evaluate and include evidence from NICE accredited sources which provide economic evaluations of recommendations, such as NICE guidelines. When a recommended action may not be possible because of resource constraints, this is explicitly indicated to healthcare professionals by the wording of the CKS recommendation.
Declarations of interest
Our policy
Clarity Informatics requests that all those involved in the writing and reviewing of topics, and those involved in the external review process to declare any competing interests. Signed copies are securely held by Clarity Informatics and are available on request with the permission of the individual. A copy of the declaration of interest form which participants are asked to complete annually is also available on request. A brief outline of the declarations of interest policy is described here and full details of the policy is available on the Clarity Informatics website. Declarations of interests of the authors are not routinely published, however competing interests of all those involved in the topic update or development are listed below. Competing interests include:
- Personal financial interests
- Personal family interest
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- Non-personal financial gain or benefit
Although particular attention is given to interests that could result in financial gains or losses for the individual, competing interests may also arise from academic competition or for political, personal, religious, and reputational reasons. An individual is not obliged to seek out knowledge of work done for, or on behalf of, the healthcare industry within the departments for which they are responsible if they would not normally expect to be informed.
Who should declare competing interests?
Any individual (or organization) involved in developing, reviewing, or commenting on clinical content, particularly the recommendations should declare competing interests. This includes the authoring team members, expert advisers, external reviewers of draft topics, individuals providing feedback on published topics, and Editorial Steering Group members. Declarations of interest are completed annually for authoring team and editorial steering group members, and are completed at the start of the topic update and development process for external stakeholders.
Competing interests declared for this topic:
None.
References
- AoMRC (2022) Statement on the initial antimicrobial treatment of sepsis. Academy of Medical Royal Colleges. https://www.aomrc.org.uk [Free Full-text]
- BMJ Best Practice (2023) Sepsis in adults. BMJ Publishing Group. https://bestpractice.bmj.com/info
- Cecconi, M., Evans, L., Levy, M. and Rhodes, A. (2018) Sepsis and septic shock. Lancet 392(10141), 75-87. [Abstract]
- Daniels, R. and Nutbeam, T. (2024) The sepsis manual. UK Sepsis Trust. https://sepsistrust.org [Free Full-text]
- Evans, L., Rhodes, A., Alhazzani, W., et al. (2021) Surviving sepsis campaign: international guidelines for management of sepsis and septic shock 2021. Intensive Care Medicine 47(11), 1181-1247. [Abstract]
- Fleischmann-Struzek, C., Goldfarb, D.M., Schlattmann, P. et al. (2018) The global burden of paediatric and neonatal sepsis: a systematic review. Lancet Respiratory Medicine 6(3), 223-230. [Abstract]
- Gauer, R.L. (2013) Early recognition and management of sepsis in adults: the first six hours. American Family Physician 88(1), 44-53. [Abstract]
- Gauer, R., Forbes, D. and Boyer, N. (2020) Sepsis: diagnosis and management. American Family Physician 101(7), 409-418. [Abstract]
- Gotts, J.E. and Matthay, M.A. (2016) Sepsis: pathophysiology and clinical management. British Medical Journal 353, 1-20. [Abstract]
- Keeley, A., Hine, P. and Nsutebu, E. (2017) The recognition and management of sepsis and septic shock: a guide for non-intensivists. Postgraduate Medical Journal 93(1104), 626-634. [Abstract]
- MBRRACE-UK (2023) Saving lives, improving mother's care. Lessons learned to inform maternity care from the UK and Ireland Confidential Enquiries into Maternal Deaths and Morbidity 2019-21. Mothers and Babies: Reducing Risk through Audits and Confidential Enquiries across the UK. https://www.npeu.ox.ac.uk [Free Full-text]
- Morgan, P. and Majeed, A. (2019) Sepsis: getting the balance right. BMJ 2019(397), l6700. [Abstract]
- NHS England (2015) Improving outcomes for patients with sepsis: a cross-system action plan. Www.england.nhs.uk/. www.england.nhs.uk/wp-content/uploads/2015/08/Sepsis-Action-Plan-23.12.15-v1.pdf
- NICE (2020) Neutropenic sepsis: prevention and management in people with cancer. National Institute for Health and Care Excellence. https://www.nice.org.uk [Free Full-text]
- NICE (2024) Suspected sepsis: recognition, diagnosis and early management. National Institute for Health and Care excellence. https://www.nice.org.uk [Free Full-text]
- ONS (2023) Deaths from sepsis in the UK 2001 to 2022. Office for National Statistics. https://www.ons.gov.uk [Free Full-text]
- Plunkett, A. and Tong, J. (2015) Sepsis in children. British Medical Journal 350, 1-12. [Abstract]
- Poston, J.T. and Koyner, J.L. (2019) Sepsis associated acute kidney injury. British Medical Journal 364, 1-17. [Abstract]
- Singer, M., Inada-Kim, M. and Shankar-Hari, M. (2019) Sepsis hysteria: excess hype and unrealistic expectations. Lancet 394(10208), 1513-1514. [Abstract]
- Shankar-Hari, M., Phillips, G.S., Levy, M.L., et al. (2016) Developing a New Definition and Assessing New Clinical Criteria for Septic Shock: For the Third International Consensus Definitions for Sepsis and Septic Shock (Sepsis-3). JAMA 315(8), 775-787. [Abstract] [Free Full-text]
- Singer, M., Deutschman, C.S., Seymour, C.W., et al. (2016) The Third International Consensus Definitions for Sepsis and Septic Shock (Sepsis-3). JAMA 315(8), 801-810. [Abstract] [Free Full-text]