Peritoneal Distraction Technique to Reduce Symptomatic Lymphoceles after Retzius-Sparing Robot-Assisted Radical...

Area of Science:

• Urology
• Surgical Oncology
• Robotic Surgery

Background:

• Lymphocele formation is a common complication following Retzius-sparing robot-assisted radical prostatectomy (RARP).
• Peritoneal flaps offer a novel approach to mitigate lymphocele development.
• This study investigates a specific technique involving suturing and distracting medial peritoneal flaps.

Purpose of the Study:

• To evaluate the efficacy of the peritoneal distraction technique in reducing lymphocele rates after Retzius-sparing RARP.
• To compare lymphocele incidence and management requirements between the peritoneal distraction and standard closure groups.

Main Methods:

• Retrospective study of patients with localized prostate carcinoma undergoing Retzius-sparing RARP.
• Patients were divided into two groups: peritoneal distraction and closed groups.
• Propensity score matching (1:1 ratio) was used to ensure group comparability.

Main Results:

• A total of 272 patients were analyzed; 89 used the peritoneal distraction technique.
• While overall lymphocele rates were similar, no patients in the distraction group required intervention versus 3.9% in the closed group (P=0.015).
• No significant correlation was found between lymphocele formation and PSA, Gleason score, or lymph node yield.

Conclusions:

• The peritoneal distraction stitch is a straightforward and effective method.
• This technique significantly reduces the incidence of symptomatic lymphoceles requiring intervention post-Retzius-sparing RARP.