The Effect of Resident Involvement in Pelvic Prolapse Surgery: A Retrospective Study From a Nationwide Inpatient Sample

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The primary aim of this study was to assess the effect of resident involvement on perioperative complication rates in pelvic organ prolapse surgery using the National Surgical Quality Improvement database.


All pelvic organ prolapse operations from 2006 to 2012 were identified and dichotomized by resident participation. Preoperative characteristics and 30-day perioperative outcomes were compared using χ2 and Student t test. To control for nonrandomization of cases, propensity scores representing the probability of resident involvement as a function of a case's comorbidities were calculated. They were then divided into quartiles, and because of equal probabilities for the first and second quartiles, 3 groups were created (Q1/2, Q3, and Q4), followed by substratification and analysis. As a control, complications of transurethral resection of prostate and nephrectomy were dichotomized by resident involvement.


We identified 2637 cases. Resident involvement was associated with increased postoperative urinary tract infections, perioperative complications, and procedure length. After stratification by propensity scoring, the following unique findings occurred in each group: in the first group, resident involvement was associated with increased rates of readmission, pulmonary embolism, and sepsis; in the second and third groups, resident involvement was associated with increased rates of superficial surgical site infection. Resident involvement in nephrectomy observed increased perioperative complications and procedural length. In prostate resection, increased procedure lengths and decreased postoperative length of stay were observed.


Resident involvement in pelvic organ prolapse surgery was associated with an increased risk of adverse outcomes. A similar effect was seen with nephrectomy but not with a more simple endoscopic urologic procedure.

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