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Aseptic colon resection by an invagination technique. Experimental study on dogs
L S Jørgensen1, U Raundahl, L L Knudsen
1University Department of Surgical Gastroenterology, University of Aarhus, Aarhus Kommunehospital, Denmark.
Diseases of the Colon and Rectum
|July 1, 1991
Summary
A novel invagination technique for aseptic colon resection in dogs proved safe and effective, with low bacterial counts at the anastomosis and minimal complications. Further research is recommended for this surgical innovation.
Area of Science:
- Veterinary Surgery
- Gastrointestinal Surgery
Background:
- Colon resection often involves risks of infection and leakage.
- New surgical techniques are needed to improve outcomes in bowel anastomosis.
Purpose of the Study:
- To present and evaluate a new aseptic colon resection technique using invagination.
- To assess the safety and efficacy of this method in a canine model.
Main Methods:
- A novel invagination technique for colon resection was performed on 20 dogs.
- Bowel was invaginated and sutured before transection with a diathermy wire.
- Sections unsuitable for invagination were transected using cable ties.
- Bacterial cultures and serial barium enemas were used for evaluation.
Main Results:
- Low bacterial counts (<100) were observed at the anastomosis in most dogs.
- Only one wound infection and no anastomotic leakage were detected by barium enema.
- One early death due to anastomotic dehiscence and two other complications occurred.
Conclusions:
- The invagination technique for aseptic colon resection is easily and safely performed in dogs.
- The method shows promise but requires further experimental investigation.
- This technique may offer a safer alternative for bowel anastomosis.