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Clinical Outcomes of a Redo for a Failed Colorectal or Coloanal Anastomosis

Annals of Coloproctology 2018년 34권 5호 p.259 ~ 265
Woo In-Teak, 박준석, 최규석, 박수연, 김혜진, 박인규,
소속 상세정보
 ( Woo In-Teak ) - Kyungpook National University School of Medicine Kyungpook National University Medical Center Colorectal Cancer Center
박준석 ( Park Jun-Seok ) - Kyungpook National University School of Medicine Kyungpook National University Medical Center Colorectal Cancer Center
최규석 ( Choi Gyu-Seog ) - Kyungpook National University School of Medicine Kyungpook National University Medical Center Colorectal Cancer Center
박수연 ( Park Soo-Yeun ) - Kyungpook National University School of Medicine Kyungpook National University Medical Center Colorectal Cancer Center
김혜진 ( Kim Hye-Jin ) - Kyungpook National University School of Medicine Kyungpook National University Medical Center Colorectal Cancer Center
박인규 ( Park In-Kyu ) - Kyungpook National University School of Medicine Kyungpook National University Medical Center Colorectal Cancer Center

Abstract


Purpose: Redo surgery in patients with a persistent anastomotic failure (PAF) is a rare procedure, and data about this procedure are lacking. This study aimed to evaluate the surgical outcomes of redo surgery in such patients.

Methods: Patients who underwent a redo anastomosis for PAF from January 2004 to November 2016 were retrospectively evaluated. Data from a prospective colorectal database were analyzed. Success was defined as the combined absence of any anastomosis-related complications and a stoma at the last follow-up.

Results: A total of 1,964 patients who underwent curative surgery for rectal cancer during this study period were included. Among them, 32 consecutive patients underwent a redo anastomosis for PAF. Thirteen patients of those 32 had major anastomotic dehiscence with a pelvic sinus, 12 had a recto-vaginal fistula, and 7 had anastomosis stenosis. There were no postoperative deaths. The median operation time was 255 minutes (range, 80?480 minutes), and the median blood loss was 80 mL (range, 30?1,000 mL). The overall success rate was 78.1%, and the morbidity rate was 40.6%. Multivariable analyses showed that the primary tumor height at the lower level was the only statistically significant risk factor for redo surgery (P = 0.042; hazard ratio, 2.444).

Conclusion: In our experience, a redo anastomosis is a feasible surgical option that allows closure of a stoma in nearly 80% of patients. Lower tumor height (<5 cm from the anal verge) is the only independent risk factor for nonclosure of defunctioning stomas after primary rectal surgery.

키워드

Redo surgery; Rectal cancer; Persistent anastomotic failure; Laparoscopy

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