• Hernando Olivar, Sam R Sharar, Linda S Stephens, Karen L Posner, and Karen B Domino.
• Department of Anesthesiology and Pain Medicine, University of Washington School of Medicine, Seattle, WA 98195-6540, USA.
• Anesth. Analg.. 2012 Nov 1;115(5):1196-203.

BackgroundTrauma care has many challenges, including the perception by nonanesthesia physicians of increased medical malpractice liability. We used the American Society of Anesthesiologists' Closed Claims Project database and the National Inpatient Sample (NIS) to compare the rate of claims for trauma anesthesia care to national trauma surgery data. We also used the American Society of Anesthesiologists' Closed Claims Project database to evaluate injury and liability profiles of trauma anesthesia malpractice claims compared to nontrauma surgical anesthesia claims.MethodsSurgical anesthesia claims for injuries that occurred between 1980 and 2005 in the American Society of Anesthesiologists' Closed Claims Project database of 8954 claims were included in this analysis. Trauma was defined using cause of injury criteria in state trauma registries, including out-of-hospital falls. To estimate national trauma anesthesia rates, we used injury codes in NIS reports to define trauma discharges and NIS discharges with surgical procedure codes for the denominator. The year-adjusted odds ratio and P value comparing the national trauma anesthesia injury rates and American Society of Anesthesiologists' Closed Claims Project inpatient claim rates in the 1990 to 2001 time period were calculated by a multivariate logistic regression of the injury/trauma outcome on year and the NIS/Closed Claims Project indicator. Payments in claim resolution between trauma claims and nontraumatic surgical anesthesia claims were compared by χ(2) analysis, Fisher exact test for proportions, and Kolmogorov-Smirnov test for payment amounts.ResultsTrauma claims represented 6% of the total 6215 surgical anesthesia claims in the study period. The inpatient trauma claims rates were consistently lower than the NIS injury rates for 1990 to 2001. The year-adjusted odds ratio comparing the trauma claims rates to the NIS injury rates was 0.62 (95% confidence interval [CI], 0.53 to 0.72; P < 0.001, likelihood ratio test). Trauma claims and nontrauma surgical anesthesia claims did not differ in appropriateness of care, whether or not a payment was made to the plaintiff, or size of payments.ConclusionDespite reported perceptions that trauma care involves a high risk of medical liability, there was no apparent increased risk of liability among inpatients presenting for trauma anesthesia care. The proportion in malpractice claims in trauma anesthesia care was not increased compared to nontraumatic surgical anesthesia care. With respect to medicolegal liability, these results support participation of anesthesia providers in multidisciplinary trauma care and organized systems.

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