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KMID : 1011820210620030290
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Investigative and Clinical Urology
2021 Volume.62 No. 3 p.290 ~ p.297
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The role of body mass index on quality indicators following minimally-invasive radical prostatectomy
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Pathak Ram A.
Wilson Robert R. A.
Craven Timothy E.
Matz Ethan L.
Hemal Ashok K.
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Abstract
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Purpose: We sought to determine the role of body mass index (BMI) on quality indicators, such as length of stay and readmission. The National Surgical Quality Improvement Program (NSQIP) database was queried to examine the effect of obesity, defined as BMI >30, on outcomes after Minimally Invasive Radical Retropubic Prostatectomy (MI-RRP).
Materials and Methods: Utilizing the NSQIP database, patient records were identified using the Current Procedural Terminology (CPT) code 55866 (laparoscopy, surgical prostatectomy, radical retropubic) during a 10-year period (2007?2017). Obesity was classified according to the CDC classification. Chi-square tests were utilized to evaluate BMI distribution by surgery year. Logistic regression was used to evaluate the relationship of BMI with length of stay (LOS) and hospital readmission within 30 days, after controlling for preoperative variables.
Results: Records of 49,238 patients who have undergone MI-RRP during 2007?2017 were evaluated. Mean yearly BMI rose from 28.5 to 29.2, while the percentage of surgical patients with BMI >30 rose by 5% (33% to 38%; p<0.0001) over the study period. Obese patients demonstrated higher morbidity, prolonged LOS, and increased readmission rates after MI-RRP. Obesity severity correlated negatively with quality indicators in a graded fashion.
Conclusions: Obesity rates in patients undergoing MI-RRP increased from 2007?2017. Obese patients are at increased risk of morbidity, prolonged LOS, and readmission within 30 days, following MI-RRP. These patients should not be excluded from MI-RRP; rather, physicians should discuss these increased risks with their patients. Proper weight loss strategies should be instituted preoperatively to mitigate these risks.
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KEYWORD
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Body mass index, Laparoscopy, Patient readmission, Postoperative complications, Prostatectomy
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