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Does a proximal colostomy affect colorectal anastomotic healing?
A Senagore1, J W Milsom, R K Walshaw
1Department of Surgical Research, Ferguson Clinic, Grand Rapids, Michigan 49503.
Diseases of the Colon and Rectum
|February 1, 1992
Summary
Proximal colostomy (COL) does not adversely affect colorectal anastomotic healing or increase stenosis risk. Surgical technique choice should not be influenced by the need for fecal diversion.
Area of Science:
- Colorectal surgery
- Surgical oncology
- Gastroenterology
Background:
- Fecal diversion is suspected to cause anastomotic stenosis after colorectal surgery.
- Experimental data on fecal diversion's impact on anastomotic healing is limited.
Purpose of the Study:
- To evaluate colorectal anastomotic healing with and without proximal colostomy (COL vs. CON).
- To compare healing between hand-sewn (HS) and circular stapled (CS) techniques.
Main Methods:
- A porcine model with 52 pigs underwent colorectal anastomosis (HS or CS).
- Groups included proximal colostomy (COL) or no diversion (CON).
- Outcomes measured: laser Doppler velocimetry (LDV), inflammatory scores, diameter, bursting pressure at 5, 11, 60, 120 days.
Main Results:
- No significant differences in blood flow, inflammation, leak, or stenosis between COL and CON groups or techniques.
- Bursting pressure was lower in the COL group only at POD 11.
Conclusions:
- Proximal colostomy does not negatively impact colorectal anastomotic healing.
- Anastomotic technique choice should not be based on the need for proximal colostomy.