| Anastomotic Stricture after Colorectal Stapled Anastomosis. |
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Hong, Hyoun Kee , Jeong, Choon Sik , Lee, Dong Hee , Kim, Hee Cheol , Yu, Chang Sik , Park, Sang Kyu , Kim, Sook Young , Kim, Jin Cheon |
1Colorectal Clinic, Department of Surgery, University of Ulsan College of Medicine and Asan Medical Center, Seoul, Korea.
2Department of Surgery, Hansol Hospital, Seoul, Korea. |
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| Abstract |
INTRODUCTION: Stapled anastomosis in the rectal cancer surgery has been already proven as a safe technique, maintaing secure suture and saving times compared to handsewn anastomosis. With the advancement of stapling device, the incidence of anastomotic leakage has decreased significantly. However, developement of anastomotic stricture has become a major postoperative complication.
PURPOSE
An analysis of the clinical features and the predisposing factors of anastomotic stricture was made to identify its pathogenesis and to determine adequate procedure.
METHODS
We analyzed 49 patients (8.1%) with the rectal stricture among 608 patients, undergone stapled anastomosis for the rectal cancer surgery at Asan Medical Center from Jan 1993 to Dec 1998. Rectal stricture was defined when index finger or colonoscope could not pass the anastomotic site (high grade), or could pass with difficulty(low grade).
RESULTS
Underlying general diseases, e.g., DM, hypertension and cardiovascular disease was associated more frequently in patients with anastomotic stricture (20.4%) than patients without (10.8%) (P<0.05). The rate of postoperative major complications in patients with stricture was 22.4%, while that of anastomotic leakage was 6.1%. Development of anastomotic stricture was not associated with operative methods, age, anastomosis level, and postoperative radiotherapy. In patients with stricture, 34 patients (69.4%) were asymptomatic, and 15 patients were symptomatic.
In treating symptomatic rectal stricture, only five patients performed dilation manually or by the Hegar dilator.
CONCLUSIONS
Rectal stricture after stapled anastomosis might be associated with underlying diseases, and correlated with prolonged sanguinous drainage and ileus. Meticulous management of underlying disease and complete hemostasis during operation appear to be important to reduce the rate of rectal stricture. |
| Key Words:
Rectal stricture; Stapled anastomosis; Rectal cancer surgery |
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