Incidence and risk factors for umbilical incisional hernia after reduced port colorectal surgery (SIL + 1 additional port)—is an umbilical midline approach really a problem?
Langenbeck's Archives of Surgery(2022)
Abstract
Purpose Umbilical midline incisions for single incision- or reduced port laparoscopic surgery are still discussed controversially because of a higher rate of incisional hernia compared to conventional laparoscopic techniques. The aim of this study was to evaluate incidence and risk factors for incisional hernia after reduced port colorectal surgery. Methods A total 241 patients underwent elective reduced port colorectal surgery between 2014 and 2020. Follow-up was achieved through telephone interview or clinical examination. The study collective was examined using univariate and multivariate analysis. Results A total of 150 patients with complete follow-up were included into this study. Mean follow-up time was 36 (IQR 24–50) months. The study collective consists of 77 (51.3%) female and 73 (48.7%) male patients with an average BMI of 26 kg/m 2 (IQR 23–28) and an average age of 61 (± 14). Indication for surgery was diverticulitis in 55 (36.6%) cases, colorectal cancer in 65 (43.3%) patients, and other benign reasons in 30 (20.0%) cases. An incisional hernia was observed 9 times (6.0%). Obesity (OR 5.8, 95% CI 1.5–23.1, p = 0.02) and pre-existent umbilical hernia (OR 161.0, 95% CI 23.1–1124.5, p < 0.01) were significant risk factors for incisional hernia in the univariate analysis. Furthermore, pre-existent hernia is shown to be a risk factor also in multivariate analysis. Conclusion We could demonstrate that reduced port colorectal surgery using an umbilical single port access is feasible and safe with a low rate of incisional hernia. Obesity and pre-existing umbilical hernia are significant risk factors for incisional hernia.
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Key words
Incisional hernia,Colorectal resections,Incidence,Risk factors,Reduced port laparoscopic surgery
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