Key result
Poorer ASA physical status (III-V) was the strongest predictor of intraoperative cardiac arrest in older patients (OR 14.52), while overall anesthesia-related cardiac arrests occurred at a rate of 3.26 per 10,000 anesthetics.
Population
18,367 anesthetics administered to older patients requiring anesthesia services at a public tertiary…
Design
Cohort
Follow-up
Intraoperative period
Authors
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High-ASA older patients face substantially higher intraoperative arrest risk; leaves open whether preoperative optimization improves outcomes.
Observational (n=18,367)
No
Odds Ratio: 14.52 (95% CI 4.48–47.08)
p-value: p=<0.001
Intraoperative cardiac arrest in older patients is primarily driven by underlying patient disease and emergency surgery rather than anesthesia itself, highlighting the importance of preoperative assessment and optimization.
Nunes et al. (2014) conducted an observational in Older patients undergoing surgery requiring anesthesia (n=18,367). Poorer ASA physical status (III-V) vs. ASA physical status I-II was evaluated on Intraoperative cardiac arrest (OR 14.52, 95% CI 4.48-47.08, p=<0.001). Poorer ASA physical status (III-V) was the strongest predictor of intraoperative cardiac arrest in older patients (OR 14.52), while overall anesthesia-related cardiac arrests occurred at a rate of 3.26 per 10,000 anesthetics.
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