Abstract
Robot assisted laparoscopic radical prostatectomy (RALP) spread in the last decade as a minimally invasive alternative to open radical prostatectomy for men with localized prostate cancer. It is associated with excellent surgical, functional and oncological results with less postoperative pain and shorter convalescence. Anyway, the development of an incisional hernia (IH), may negate known benefits as it can lead not only to bothersome symptoms but also to severe complications, such as bowel obstruction, strangulation and perforation. Port-site or extraction site hernias, whose incidence rate is underdiagnosed, have become more commonly after minimally invasive surgery; but IH rate after robot-assisted radical prostatectomy has not been well characterized. This study aimed to evaluate the impact of extraction-site location (vertical supra-umbilical incision versus an off-midline incision) on incisional hernia rates in robotic prostatectomy. We included in the study 800 patients undergone RALP, 400 with a supra-umbilical incision for specimen extraction and 400 with off-midline incision. All were followed up for at least 3 years. The main study end point was IH occurrence at the extraction site (midline versus off-midline). IH rate for the entire series was 4.75%, in particular 5% for the midline group and 4.5% for the off-midline group. The hernias were diagnosed at a mean of 20.2 and 18.2 months after surgery, respectively in the two groups. There was no statistically significant differences in baseline characteristics; anyway larger prostate weight, wound infection and history of prior cholecystectomy were associated with higher proportion of IH. Extraction site hernias are a rare but a potentially serious complication following RALP. In our series, the midline extraction doesn't result in a significantly higher IH rate in comparison with the off-midline extraction site.
Published Version
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