Cardiac arrest & resuscitation
Eighteen‐year trends in the rates of intra‐operative cardiac arrest and associated mortality at a public university hospital in Brazil*
Authors' conclusion
We have shown an important reduction in intra-operative cardiac arrest and associated 30-day mortality over an 18-year period.
Study context
- Population
- Anaesthetics at a public quaternary university teaching hospital in Brazil, 1 January 2005 to 31 December 2022
- Participants
- 154,178 cases
- Exposure
- 2005-2010 vs 2017-2022
- Outcome
- Intra-operative cardiac arrest and associated 30-day mortality (per 10,000 anaesthetics)
Methodological detailssingle-centre, quaternary teaching hospital, multivariable logistic regression
- Single-centre
- Quaternary teaching hospital
- Multivariable logistic regression
Main finding
As reported in the abstract
Intra-operative cardiac arrest and associated 30-day mortality per 10,000 anaesthetics
- Overall intra-operative cardiac arrest (n = 297), per 10,000 anaesthetics
- 19.3 (95%CI 16.6-21.9)
- Overall associated 30-day mortality (n = 248), per 10,000 anaesthetics
- 16.1 (95% CI 13.9-18.3)
- Cardiac arrest, 2005-2010, per 10,000 anaesthetics
- 26.3 (95%CI 21.0-31.6)
- Cardiac arrest, 2017-2022, per 10,000 anaesthetics
- 15.4 (95%CI 12.0-18.7)
- 30-day mortality, 2005-2010, per 10,000 anaesthetics
- 23.4 (95%CI 18.8-28.1)
- 30-day mortality, 2017-2022, per 10,000 anaesthetics
- 13.7 (95%CI 10.8-16.7)
Observational data: associations, not effects.
Further findings
Factors associated with intra-operative cardiac arrest
- Children aged < 1 year, aOR
- 3.51 (1.87-6.57) (95%CI)
- ASA physical status 3-5, aOR
- 13.85 (8.86-21.65) (95%CI)
- Emergency surgery, aOR
- 10.06 (7.85-12.89) (95%CI)
- GA, aOR
- 8.79 (4.60-19.64) (95%CI)
- Procedure involving multiple specialities, aOR
- 9.13 (4.24-19.64) (95%CI)
- Cardiac surgery, aOR
- 7.69 (5.05-11.71) (95%CI)
- Vascular surgery, aOR
- 6.21 (4.05-9.51) (95%CI)
- Gastrointestinal surgery, aOR
- 2.98 (1.91-4.65) (95%CI)
- Multivariable logistic regression
Original publication
Eighteen‐year trends in the rates of intra‐operative cardiac arrest and associated mortality at a public university hospital in Brazil*. Anaesthesia. Published 13 October 2024. doi:10.
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