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Dis Colon Rectum. 2014 Mar;57(3):324-30. doi: 10.1097/DCR.0000000000000065.

Bioabsorbable staple line reinforcement in restorative proctectomy and anterior resection: a randomized study.

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  • 11Central Michigan University College of Medicine, Saginaw, Michigan 2Kendrick Regional Center for Colon and Rectal Care, Indianapolis, Indiana 3Division of General Surgery, Albany Medical Center, Albany, New York 4Colorectal Surgery Department, Cleveland Clinic Foundation, Weston, Florida 5Colon and Rectal Surgery, Spectrum Health, Grand Rapids, Michigan 6Department of Surgery, University of Utah, School of Medicine, Salt Lake City, Utah 7Colorectal Surgery, University of Alabama Health System, Mobile, Alabama 8Section of Colorectal Surgery, Peoria Surgical Group, University of Illinois College of Medicine, Peoria, Illinois.

Abstract

BACKGROUND:

Anastomotic complications, including leaks, strictures/stenoses, and bleeding, cause considerable mortality and morbidity after colorectal surgery.

OBJECTIVE:

The aim of this study was to assess whether the use of a synthetic, bioabsorbable staple line reinforcement material with circular staplers would reduce postoperative anastomotic leakage in patients with a colorectal, coloanal, or ileoanal anastomosis.

DESIGN:

This was a randomized study that compared outcomes in patients in whom the reinforcement material was used with those in patients who were not given the material.

SETTINGS:

This study was conducted at several centers in the United States.

PATIENTS:

The 258 patients (123 in the reinforcement group and 135 control subjects) underwent surgery for a variety of conditions, but most (n = 200) were treated for rectal cancer.

MAIN OUTCOME MEASURES:

The main outcome measures were occurrence of anastomotic leaks and other complications according to the study protocol.

RESULTS:

There were no significant differences in the 2 study groups with respect to age, BMI, ASA physical status, operating time, diagnosis, previous chemoradiotherapy, surgical technique, or 30-day complications, except for a higher rate of small-bowel obstruction (p = 0.03) and anastomotic stricture (p = 0.006) in the control group. The overall anastomotic leak rate was 12% (bioabsorbable staple line reinforcement, 11.4%; no bioabsorbable staple line reinforcement, 12.6%).

LIMITATIONS:

The study was nonblinded and was terminated at the first planned interim analysis because of insufficient power to detect an intergroup difference in anastomotic leak rate in the time allotted for the investigation.

CONCLUSIONS:

Reinforcing the circular staple line in colorectal anastomoses with bioabsorbable material did not significantly affect the anastomotic leak rate but may have reduced anastomotic strictures. Most strictures did not require an anastomotic revision or delay in stoma closure. The bioabsorbable material may positively affect some aspects of the healing of circular stapled colorectal anastomoses; however, additional research on factors associated with anastomotic leakage is needed.

PMID:
24509454
[PubMed - indexed for MEDLINE]
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