Xanthogranulomatous pyelonephritis: a comparison of open and minimally-invasive surgical approaches
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ORIGINAL ARTICLE
Xanthogranulomatous pyelonephritis: a comparison of open and minimally‑invasive surgical approaches Marcelo Panizzutti Barboza1 · Charles U. Nottingham2 · Adam C. Calaway3 · Ting Wei1 · Chandra K. Flack1 · Clint Cary1 · Ronald S. Boris1 Received: 4 September 2020 / Accepted: 25 September 2020 © Springer-Verlag London Ltd., part of Springer Nature 2020
Abstract To compare perioperative outcomes between patients undergoing minimally-invasive (MIS) and open surgical approaches for the treatment of Xanthogranulomatous Pyelonephritis (XGP). Between 2007 and 2017 we retrospectively identified 40 patients undergoing nephrectomy at our institution for pathologically confirmed XGP. Patients whose operations were ultimately completed with open technique were analyzed with the open cohort, whereas patients whose operations were completed in entirety using any laparoscopic approach were analyzed with the MIS group. Twenty-three patients were analyzed in the open cohort, compared to seventeen in the MIS group. Three patients in the open cohort were converted intraoperatively from MIS to open approach. Compared to the open group, the MIS group less often had an abscess on preoperative CT (11.8% vs 54.5%; p = 0.006). The MIS group also had lower intraoperative blood loss (100 vs 400 mL; p
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