Is colonoscopy safe in the early postcolectomy period?

Area of Science:

• Veterinary Surgery
• Gastroenterology
• Diagnostic Imaging

Background:

• Colonoscopy is a crucial diagnostic tool for gastrointestinal conditions.
• Assessing the safety of post-surgical colonoscopy is important for patient recovery.
• Left hemicolectomy with primary anastomosis is a common surgical procedure in veterinary medicine.

Purpose of the Study:

• To evaluate the safety and feasibility of performing colonoscopy in the early post-operative period after a left hemicolectomy with primary anastomosis in dogs.
• To assess intraluminal pressures during early post-colectomy colonoscopy.

Main Methods:

• Colonoscopy was performed preoperatively and at 1, 2, 3, and 7 days after left hemicolectomy with primary anastomosis in 11 dogs.
• Intraluminal pressures were measured during colonoscopy.
• Colonoscopy was also performed in 10 dogs for other gastrointestinal symptoms for comparison.

Main Results:

• The colon and anastomosis were adequately visualized in all dogs post-surgery.
• Maximal intraluminal pressures ranged from 15 to 35 mmHg in post-hemicolectomy dogs.
• No air leakage or intra-abdominal abscesses were detected.
• Pressures in post-colectomy dogs were comparable to, or slightly lower than, those in dogs undergoing colonoscopy for other indications (averaging 30 mmHg).

Conclusions:

• Colonoscopy can be safely performed during the early post-colectomy period in dogs.
• The procedure allows for adequate visualization of the colon and anastomosis.
• Early post-operative colonoscopy does not appear to increase the risk of complications such as leakage or abscess formation.