Xanthogranulomatous pyelonephritis: a comparison of open and minimally-invasive surgical approaches

Marcelo Panizzutti Barboza, Charles U. Nottingham, Adam C. Calaway, Ting Wei, Chandra K. Flack, Clint Cary, Ronald S. Boris

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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 < 0.001), lower rate of blood transfusion (0% vs 45.5%; p = 0.002), lower postoperative intensive care admission (0% vs 34.8%; p = 0.013), and shorter hospital stay (4 vs 7 days; p = 0.013). However, there was no significant difference in high-grade complications between these groups (5.9% vs 34.8%; p = 0.054). Preoperative CT scan may be an important factor when considering operative approach for treatment of XGP. Patients who are able to undergo MIS approach have less blood loss, shorter hospitalization, and are less likely to require intensive care admission, which may be related to the disease process, the surgical technique, or both.

Original languageEnglish
Pages (from-to)611-617
Number of pages7
JournalJournal of Robotic Surgery
Volume15
Issue number4
DOIs
StatePublished - Aug 2021

Keywords

  • Minimally-invasive
  • Nephrectomy
  • Outcomes
  • Xanthogranulomatous pyelonephritis

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