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Trocar-site incisional hernia after laparoscopic colorectal surgery: a significant problem? Incidence and risk
Oscar Cano-Valderrama1,2,3, Rodrigo Sanz-López4,5, Gonzalo Sanz-Ortega4,5
1Department of Surgery, Hospital Universitario Clínico San Carlos, C/Profesor Martín Lagos SN, 28040, Madrid, Spain. oscarcanovalderrama@hotmail.com.
Background:
Trocar-site incisional hernia (TSIH) after laparoscopic surgery has been scarcely studied. TSIH incidence and risk factors have never been properly studied for laparoscopic colorectal surgery.
Methods:
A retrospective analytic study in a tertiary hospital was performed including patients who underwent elective laparoscopic colorectal surgery between 2014 and 2016. Clinical and radiological TSIH were analyzed.
Results:
272 patients with a mean age of 70.7 years were included. 205 (75.4%) underwent surgery for a malignant disease. The most common procedure was right colectomy (108 patients, 39.7%). After a mean follow-up of 30.8 months 64 (23.5%) patients developed a TSIH. However, only 7 out of 64 (10.9%) patients with a TSIH underwent incisional hernia repair. That means that 2.6% of all the patients underwent TSIH repair. 44 (68.8%) patients had TSIH in the umbilical Hasson trocar. In the multivariate analysis, the existence of an umbilical Hasson trocar orifice was the only statistically significant risk factor for TSIH development.
Conclusions:
Incidence of TSIH was high, although few patients underwent incisional hernia repair. Most TSIH were observed in the umbilical Hasson trocar, which was the only risk factor for TSIH development in the multivariate analysis. Efforts should be addressed to avoid TSIH in the umbilical Hasson trocar.
