Interpositional Nerve Grafting of the Prostatic Plexus after Radical Prostatectomy

Area of Science:

• Urology
• Surgical Innovation
• Nerve Reconstruction

Background:

• Prostatectomy can injure the prostatic plexus, impacting function.
• Nerve grafting is a potential method to reconstruct these nerves and reduce morbidity.
• Current evidence on long-term outcomes and the role of nerve grafting remains inconclusive.

Purpose of the Study:

• To evaluate the effectiveness of interpositional nerve grafting in patients undergoing radical prostatectomy.
• To compare functional outcomes between nerve grafting and nerve-sparing techniques.
• To assess the impact of D'Amico score and nerve involvement laterality on outcomes.

Main Methods:

• Retrospective analysis of 38 patients undergoing nerve reconstruction post-open prostatectomy.
• Comparison with 53 control patients who had prostatectomy without nerve grafting.
• Outcomes measured included urinary continence and erectile function, stratified by D'Amico score and nerve involvement.

Main Results:

• Unilateral nerve grafting offered no significant advantage over unilateral nerve-sparing prostatectomy.
• Bilateral nerve-sparing showed better outcomes than bilateral non-nerve-sparing.
• Bilateral nerve grafting trended towards functional improvement, with higher D'Amico scores correlating with worse outcomes.

Conclusions:

• Interpositional nerve reconstruction is not standard practice in the era of robotic prostatectomy.
• Nerve grafting may offer functional benefits for patients with bilateral nerve resections.
• Further research is required to optimize bilateral nerve grafting after non-nerve-sparing prostatectomy.