Pubovesical Complex-Sparing Under Hypothermia During Robotic-Assisted Laparoscopic Radical Prostatectomy: A Single-Institution Case Series
Abstract
Background/Objectives: Functional continence and potency outcomes are paramount for the pentafecta of robotic-assisted laparoscopic radical prostatectomy (RARP). We describe a modified approach of the pubovesical complex (PVC)-sparing technique under hypothermia for better continence and potency preservation. Methods: This is a retrospective single-institution case series. Thirty-three PVC-sparing RARP procedures under hypothermia were performed in patients with clinically localized prostate cancer by the same experienced surgeon. The method includes four principles: (1) modified PVC-sparing technique, according to Richard Gaston et al., (2) the use of near-infrared fluorescence technology and indocyanine green to identify the benchmark artery of the neurovascular bundle and blood supply for the PVC, (3) accessory pudendal artery preservation, and (4) hypothermia to reduce tissue edema. Functional outcomes, including continence, potency, and other surgical findings, are presented. This is a feasibility case series, not a comparative or hypothesis-testing study. Results: This study enrolled 33 cases from 15 April 2020 to 31 December 2022. Four patients had positive surgical margins. The urinary continence rate was 100% after Foley removal at a mean of 6.6 days. The potency rate was 74% (17/23) at 6 months and 91.3% (21/23) at 12 months. The inclusion of a small sample of patients from a single hospital and the selection of patient conditions were the study limitations.…
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Evidence Hub reads this as a case series, done in people. Its evidence level is 5 of 5 (Very low · case / narrative / animal / in vitro / in silico). Case reports, narrative reviews, and animal, cell or computer-model studies give the weakest evidence for human health.
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