Artigo recomendado: Postoperative mortality after inpatient surgery: Incidence and risk factors

Karamarie Fecho, Anne T Lunney, Philip G Boysen, Peter Rock, Edward A Norfleet

Therapeutics and Clinical Risk Management 2008:4(4) 681–688

Purpose: This study determined the incidence of and identifi ed risk factors for 48 hour (h) and 30 day (d) postoperative mortality after inpatient operations.

Methods: A retrospective cohort study was conducted using Anesthesiology’s Quality Indicator database as the main data source. The database was queried for data related to the surgical procedure, anesthetic care, perioperative adverse events, and birth/death/operation dates. The 48 h and 30 d cumulative incidence of postoperative mortality was calculated and data were analyzed using Chi-square or Fisher’s exact test and generalized estimating equations.

Results: The 48 h and 30 d incidence of postoperative mortality was 0.57% and 2.1%, respectively. Higher American Society of Anesthesiologists physical status scores, extremes of age, emergencies, perioperative adverse events and postoperative Intensive Care Unit admission were identifi ed as risk factors. The use of monitored anesthesia care or general anesthesia versus regional or combined anesthesia was a risk factor for 30 d postoperative mortality only. Time under anesthesia care, perioperative hypothermia, trauma, deliberate hypotension and invasive monitoring via arterial, pulmonary artery or cardiovascular catheters were not identifi ed as risk factors.

Conclusions: Our fi ndings can be used to track postoperative mortality rates and to test preventative interventions at our institution and elsewhere.

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