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. 2011 Feb;8(2):567-74.
doi: 10.1111/j.1743-6109.2010.01911.x.

Pelvimetric dimensions do not impact upon nerve sparing or erectile function recovery in patients undergoing radical retropubic prostatectomy

Christian von Bodman  1 , Mika P Matikainen, Ricardo L Favaretto, Kazuhito Matsushita, John P Mulhall, James A Eastham, Peter T Scardino, Oguz Akin, Farhang Rabbani
Affiliations

Pelvimetric dimensions do not impact upon nerve sparing or erectile function recovery in patients undergoing radical retropubic prostatectomy

Christian von Bodman et al. J Sex Med. 2011 Feb.

Abstract

Introduction: The impact of unfavorable pelvic anatomy on the likelihood of having a nerve sparing radical retropubic prostatectomy (RRP) and the potential correlation between pelvic dimensions and recovery of erectile function (EF) after RRP have not been previously evaluated.

Aim: To determine the impact of different pelvic bony and soft tissue dimensions as well as apical prostate depth on the likelihood of performing bilateral nerve sparing and on recovery of EF after RP.

Methods: Between November 2001 and June 2007, 644 potent men undergoing RRP had preoperative MRI where pelvimetry was performed with bilateral nerve sparing in 504 men. Outcomes including varying degrees of recovery of EF (level 1: normal; level 2: partial erections routinely sufficient for intercourse; level 3: partial erections occasionally sufficient for intercourse) were assessed. Median follow-up was 44.1 (interquartile range: 29.2, 65.3) months. We evaluated independent predictors of performing a bilateral nerve sparing procedure and of recovery of EF using multivariable Cox proportional hazards methods.

Main outcome measures: Likelihood of performing bilateral nerve sparing as well as recovery of EF after RRP.

Results: Patients with higher clinical stage and biopsy Gleason score are less likely to undergo bilateral nerve sparing. Surgeon is also a factor in the likelihood of having bilateral nerve sparing RRP. On multivariate Cox regression analysis, factors predictive of recovery of EF were age, pretreatment erectile function, surgeon, and modified Charlson score. None of the pelvimetric dimensions were significant predictors of any degree of recovery of EF. However, the study is limited by its retrospective nature and by being based on MRI evaluations useful for cancer staging rather than anatomical evaluation of pelvimetric dimensions.

Conclusions: We did not find unfavorable pelvic anatomy to impact the likelihood of performing a nerve sparing procedure or to be predictive of any degree of recovery of EF after RRP.

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