Cardiac arrest & resuscitation
Peri‐operative cardiac arrest: epidemiology and clinical features of patients analysed in the 7th National Audit Project of the Royal College of Anaesthetists
Study context
- Population
- Patients undergoing anaesthesia in the UK, 16 June 2021 to 15 June 2022cases reviewed
- Participants
- 881 patients
- Exposure
- Cardiac arrest vs Denominator survey
- Cardiac arrestn = 881
- Outcome
- Incidence of peri-operative cardiac arrest
Methodological details7th National Audit Project, 12-month registry, national (UK), denominator activity survey comparison
- 7th National Audit Project
- 12-month registry
- National (UK)
- Denominator activity survey comparison
Main finding
As reported in the abstract
Incidence per 10,000 anaesthetics
3 in 10,000
95%CI 3.0–3.5 per 10,000
Observational data: associations, not effects.
Further findings
Patient characteristics
- Males, cardiac arrest vs denominator
- 56% vs. 42%
- Median (IQR) age, cardiac arrest vs denominator, y
- 60.5 (40.5-80.5) vs. 50.5 (30.5-70.5)
- ASA 3-5 in cardiac arrest vs ASA 1-2 (as printed)
- 73% vs. 27%
- Bimodal age distribution; infants and patients aged > 66 y overrepresented
Surgical case-mix, cardiac arrest vs denominator
- Weekend
- 14% vs. 11%
- Out-of-hours
- 19% vs. 10%
- Non-elective
- 65% vs. 30%
- Major/complex
- 60% vs. 28%
Specialties with cardiac arrest
- Orthopaedic trauma
- 12%
- Lower gastrointestinal surgery
- 10%
- Cardiac surgery
- 9%
- Vascular surgery
- 8%
- Interventional cardiology
- 6%
- Cardiac surgery vs denominator
- 9% vs. 1%
- Cardiology vs denominator
- 8% vs. 1%
- Vascular surgery vs denominator
- 8% vs. 2%
Causes of cardiac arrest
- Major haemorrhage
- 17%
- Bradyarrhythmia
- 9%
- Cardiac ischaemia
- 7%
- Patient factors a key cause
- 82%
- Anaesthesia a key cause
- 40%
- Surgery a key cause
- 35%
Original publication
Peri‐operative cardiac arrest: epidemiology and clinical features of patients analysed in the 7th National Audit Project of the Royal College of Anaesthetists. Anaesthesia. Published 16 November 2023. doi:10.
Composed by AI from the published abstract and checked against it. How Briefs are made →