Is multiple tract percutaneous nephrolithotomy a safe approach for staghorn calculi?
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ORIGINAL ARTICLE
Is multiple tract percutaneous nephrolithotomy a safe approach for staghorn calculi? Jian Huang1,2 · Shike Zhang1 · Yapeng Huang1 · Mehmet Özsoy3,4 · Hans‑Göran Tiselius5 · Jinkun Huang1 · Zhijian Zhao1 · Tao Zeng1 · Guohua Zeng1 · Wenqi Wu1 Received: 23 May 2020 / Accepted: 17 August 2020 © Springer-Verlag GmbH Germany, part of Springer Nature 2020
Abstract Purpose To explore the safety of multiple tract percutaneous nephrolithotomy (PNL) in terms of complication and draw a nomogram to predict the possibility of significant renal function decline (SRFD). Materials and methods Patients with complex renal calculi appropriate for PNL at our institution between August 2016 and February 2018 were included in the study. The outcome of single and multiple tract PNL was analyzed retrospectively. A nomogram was created to predict the probability of SRFD. Results 793 (88.4%) patients were treated with single tract PNL (Group 1) and 104 patients (11.6%) treated with multiple tract PNL (Group 2). Group 2 had a significantly greater hemoglobin reduction (16.0 ± 12.5 vs. 11.4 ± 11.8 g/L, p
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