Counter incision is a safe and effective method for alternative reservoir placement during inflatable penile prosthesis surgery.
BACKGROUND: Alternative reservoir placement is increasingly popular during inflatable penile prosthesis (IPP) surgery to prevent intraperitoneal positioning, bowel, bladder, or vascular injury in patients with prior pelvic surgeries. Counter incision (CI) can be used for submuscular reservoir placement in high risk patients, however series exploring the safety remain limited. METHODS: A database of IPP surgeries was queried for use of a CI during reservoir placement to compare 90-day clinical outcomes in a retrospective case-control study. Primary outcome was device infections, with secondary outcomes including reservoir herniation, hematoma, device malfunction rates, and operative times. Groups were compared using Kruskal-Wallis and Chi-Squared tests, with multivariate logistic regression models to identify predictors of infectious complications. RESULTS: A total of 534 cases met criteria, of which 51 (9.6%) used a CI for reservoir placement. The CI cohort included significantly more removal and replacements, 45.1% vs. 20.9% (P<0.001). Thirty-one CI patients (61.0%) had undergone prior prostatectomy compared to 134 (27.7%) non-CI patients (P=0.001). The most common reasons for CI were prior prostatectomy and inguinal hernia repair. Median operative time was 17 minutes longer in the CI group (74 vs. 57 minutes, P<0.001). Device infection rates were similar (2.0% vs. 4.1%, P=0.71), as were rates of hematoma (5.9% vs. 2.7%, P=0.19), and device malfunction (0.0% vs. 1.4% P=1.00). CONCLUSIONS: Complication rates were similar between CI and non-CI cohorts, even in a subset where approximately half the cases were removal and replacements. For physicians not comfortable with alternative placement through a penoscrotal or infrapubic incision, this offers a reasonable alternative and permits use of three-piece devices in patients with a hostile pelvis.
Grimberg, D; Wang, S; Carlos, E; Nosé, B; Harper, S; Lentz, AC
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