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OBSTETRIC ANESTHESIA

Use of a Modifier Reduces Inconsistency in the American Society of Anesthesiologists Physical Status Classification in Parturients

Department of Anesthesiology, Duke University Medical Center, Durham, North Carolina

Address correspondence and reprint requests to John R. Schultz, MD, Division of Women’s Anesthesia, Department of Anesthesiology, Duke University Medical Center, PO Box 3094, Durham, NC 27710. Address e-mail to schul015{at}mc.duke.edu.

In this study, we sought to determine whether there is a significant discrepancy among a group of practitioners when rating pregnant patients using the ASA Physical Status Classification and whether this discrepancy could be resolved with the addition of a modifier for pregnancy. Our results indicate that significant discrepancy occurs and that it is reduced with the use of the modifier, especially when referring to the healthy parturient.

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