Does body mass index impact the outcomes of tubeless percutaneous nephrolithotomy?. (20th February 2014)

• Record Type: Journal Article
• Authors: Kuntz, Nicholas J.; Neisius, Andreas; Astroza, Gastón M.; Tsivian, Matvey; Iqbal, Muhammad W.; Youssef, Ramy; Ferrandino, Michael N.; Preminger, Glenn M.; Lipkin, Michael E.
• Is Part Of: BJU international. Volume 114:Number 3(2014:Sep.)
• Page Start: 404
• Page End: 411
• Publication Date: 2014-02-20
• Subjects: Genitourinary organs -- Diseases -- Periodicals; Genitourinary organs -- Surgery -- Periodicals; Urology -- Periodicals; 616.6
• DOI: 10.1111/bju.12538
• Languages: English
• ISSNs: 1464-4096

Abstract

<abstract abstract-type="main"> <title> <x xml:space="preserve">Abstract</x> </title> <sec id="bju12538-sec-0001" sec-type="section"> <title>Objective</title> <p> <list id="bju12538-list-0001" list-type="bullet"> <list-item> <p>To evaluate whether body mass index (BMI) has an impact on the outcomes of tubeless percutaneous nephrolithotomy (PCNL).</p> </list-item> </list> </p> </sec> <sec id="bju12538-sec-0002" sec-type="section"> <title>Patients and Methods</title> <p> <list id="bju12538-list-0002" list-type="bullet"> <list-item> <p>We retrospectively reviewed patients who underwent tubeless PCNL at our institution from 2006 to 2011.</p> </list-item> <list-item> <p>Specifically, stone‐free rates, complications, and hospital length of stay (LOS) were assessed.</p> </list-item> <list-item> <p>Patients were divided into four groups based on BMI: <25, 25–29.9, 30–34.9 and ≥35 kg/m<sup>2</sup>.</p> </list-item> <list-item> <p>Baseline characteristics and outcomes were compared between BMI groups. Multivariable logistic regressions were used to evaluate the independent contribution of BMI as a predictor of outcomes.</p> </list-item> </list> </p> </sec> <sec id="bju12538-sec-0003" sec-type="section"> <title>Results</title> <p> <list id="bju12538-list-0003" list-type="bullet"> <list-item> <p>We identified 268 patients who fulfilled study requirements. The overall stone‐free and complication rates were 52.5% and 19.0%, respectively.</p> </list-item> <list-item> <p>Minor and severe complication comprised 10.4% and 8.6%, respectively.</p> </list-item> <list-item> <p>Univariate and multivariable analyses showed no association between BMI and stone‐free or complication rates.</p> </list-item> <list-item> <p>However, patients with a normal BMI had significantly higher transfusion rates (<italic>P</italic> = 0.005), and were significantly more likely to have a prolonged LOS (≥2 days), when compared with an overweight BMI (<italic>P</italic> = 0.032)</p> </list-item> </list> </p> </sec> <sec id="bju12538-sec-0004" sec-type="section"> <title>Conclusions</title> <p> <list id="bju12538-list-0004" list-type="bullet"> <list-item> <p>BMI did not impact the stone‐free, or complication rates of tubeless PCNL.</p> </list-item> <list-item> <p>Normal BMI was found to be a risk factor for prolonged LOS, which may be due to an increase in clinically significant bleeding in this patient population. Tubeless PCNL appears to be a safe and effective procedure for the treatment of complex renal calculi, independent of BMI.</p> </list-item> </list> </p> </sec> </abstract>