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Background  The delta-shaped anastomosis has been reported to reduce anastomotic complications for a decade. However, little has been written comparing this technique with the circular stapler technique. The objective of this retrospective study was to assess the safety and efficacy of cervical delta-shaped anastomosis after esophagectomy.    Methods  Medical records of patients with esophageal squamous cell carcinoma who underwent McKeown (three-incision) esophagectomy between September 2013 and June 2015 were reviewed. Either circular stapled anastomosis (CSA) or delta-shaped anastomosis (DSA) was performed at the cervical stage. The clinical characteristics and short-term outcome were retrospectively assessed to identify the differences between the two groups.    Results  A total of 81 patients were included in this study. The clinical characteristics were similar between the two groups. Cervical anastomotic leakage occurred in 3 (7.7%) of 39 patients in the DSA group and in 8 (19%) of 42 patients in the CSA group ( P  = 0.197). The average anastomotic orifice width was 16.1 ± 4.9 mm and 11.7 ± 2.2 mm, respectively ( P  < 0.001). The incidence of anastomotic stenosis was 2.6% (1/39) and 23.5% (10/42) in the DSA and CSA groups, respectively ( P  = 0.007). There was no significant difference in surgical duration, blood loss, pulmonary complication, postoperative mortality, time of hospitalisation and time of ICU stay between the two groups.    Conclusions  Delta-shaped anastomosis may be an effective alternative method for gastroesophageal anastomosis after esophagectomy, with lower incidence of leakage and stenosis.

A comparison of cervical delta-shaped anastomosis and circular stapled anastomosis after esophagectomy