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Article Abstract
Background: Laparoscopic colectomy represents a safe, effective and well-established procedure for both benign and malignant colic disease. Transanal anastomosis (TA) with a circular stapler is the most commonly performed anastomotic technique in laparoscopic left hemicolectomy (LLH). We report our experience with side-to-side anastomosis (STSA) and side-to-end anastomosis (STEA) in selected patients with both emergency and elective LLH.
Methods: A systematic review of the PubMed database was performed on recent studies that compared different anastomotic techniques after LLH. We collected internal data from June 2014 to July 2018 and compared our experience with the literature. The primary outcome was the anastomotic complication rate.
Results: During the observation period, 158 patients underwent left hemicolectomy (LH). One-hundred-nineteen patients had malignant disease; 36 underwent surgery for complicated diverticular disease, one had a large strangulated incisional hernia, one had a sigmoid volvulus, and one had a sigmoid localization of endometriosis. Thirty open left hemicolectomies were performed. In 128 cases, a minimally invasive approach was used. Since conversion to open was necessary in 10 of these cases, 118 were totally LLH. STSA was performed in 64 cases; seven in an emergency setting and 57 in elective procedures. The overall anastomotic leak rate was 3.1% (2/64) and no anastomotic leak was reported in the emergency group (0/7). TA was performed in 15 cases, 93% in an elective setting (14/15), and the anastomotic leak rate was 13.3% (2/15). In 20 cases, we performed elective STEA and no anastomotic leak was recorded. In 19 cases, it was impossible to perform anastomosis and we decided to create a definitive colostomy.
Conclusion: Consistent with the literature data, our experience shows that, in selected cases, STSA and STEA are both safe and effective, with a lower anastomotic complication rate than TA.
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