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Laparoendoscopic single-site partial nephrectomy: a multi-institutional outcome analysis.

Francesco Greco1, Riccardo Autorino, Koon H Rha

  • 1Department of Urology and Renal Transplantation, Martin-Luther-University, Halle/Saale, Germany. francesco.greco@medizin.uni-halle.de

European Urology
|February 19, 2013
PubMed
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This summary is machine-generated.

Laparoendoscopic single-site partial nephrectomy (LESS-PN) is safe and effective for select patients. The PADUA score predicts surgical outcomes, with lower scores indicating better candidacy for LESS-PN.

Area of Science:

  • Minimally invasive urologic surgery
  • Laparoscopic and robotic surgery
  • Renal tumor ablation

Background:

  • Laparoendoscopic single-site surgery (LESS) aims to minimize surgical trauma compared to conventional laparoscopy.
  • Partial nephrectomy (PN) presents unique challenges for LESS procedures.

Purpose of the Study:

  • To analyze outcomes from a large, multi-institutional series of LESS partial nephrectomies (LESS-PN).
  • To identify predictors of successful outcomes following LESS-PN.

Main Methods:

  • Retrospective analysis of 190 consecutive LESS-PN cases from 11 institutions (Nov 2007 - Mar 2012).
  • Data collected included demographics, perioperative outcomes, and complications.
  • Multivariable analysis assessed predictors of short warm ischemia time (WIT), postoperative complications, and favorable outcomes.
Keywords:
ComplicationsLaparoendoscopic single-site surgeryPartial nephrectomyWarm ischemia time

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Main Results:

  • Mean tumor size was 2.6 cm, PADUA score 7.2. Median operative time was 170 minutes, with median estimated blood loss (EBL) of 150 ml.
  • Clampless technique used in 36.8% of cases, with a median WIT of 16.5 minutes.
  • The PADUA score independently predicted WIT length and favorable outcomes. Robotic LESS and lower EBL predicted fewer complications.

Conclusions:

  • LESS-PN is feasible and effective in experienced hands, often requiring only a single additional port.
  • Tumor characteristics, assessed by the PADUA score, are key predictors of favorable surgical outcomes.
  • Robotic assistance may decrease the risk of postoperative complications in LESS-PN.