IntroductionPrevious studies have focused on outcomes pertaining to resident operative autonomy, but there has been little academic work examining the types of patients and cases where autonomy is afforded. We sought to describe the differences between surgical patient populations in teaching cases where residents are and are not afforded autonomy. MethodsWe examined all general and vascular operations at Veterans Affairs teaching hospitals from 2004 to 2019 using Veterans Affairs Surgical Quality Improvement Program. Level of resident supervision is prospectively recorded by the operating room nurse at the time of surgery: attending primary (AP): the attending performs the case with or without a resident; attending resident (AR): the resident performs the case with the attending scrubbed; resident primary (RP): resident operating with supervising attending not scrubbed. Resident (R) cases refer to AR + RP. Patient demographics, comorbidities, level of supervision, and top cases within each group were evaluated. ResultsA total of 618,578 cases were analyzed; 154,217 (24.9%) were AP, 425,933 (68.9%) AR, and 38,428 (6.2%) RP. Using work relative value unit as a surrogate for complexity, RP was the least complex compared to AP and AR (10.4/14.4/14.8, P < 0.001). RP also had a lower proportion of American Society of Anesthesiologists 3 and 4 + 5 patients (P < 0.001), were younger (P < 0.001), and generally had lower comorbidities. The most common RP cases made up a higher proportion of all RP cases than they did for AP/AR and demonstrated several core competencies (hernia, cholecystectomy, appendectomy, amputation). R cases, however, were generally sicker than AP cases. ConclusionsIn the small proportion of cases where residents were afforded autonomy, we found they were more focused on the core general surgery cases on lower risk patients. This selection bias likely demonstrates appropriate attending judgment in affording autonomy. However, this cohort consisted of many “sicker” patients and those factors alone should not disqualify resident involvement.
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