Colonoscopic perforations. Etiology, diagnosis, and management

Area of Science:

• Gastroenterology
• Colorectal Surgery
• Diagnostic Imaging

Background:

• Flexible fiberoptic colonoscopy is vital for diagnosing and managing colon and rectal diseases.
• Colonoscopic perforation is a rare but serious complication, occurring in <1% of diagnostic and up to 3% of therapeutic procedures.
• Perforation mechanisms include direct trauma, barotrauma, and complications during interventions like polyp removal.

Purpose of the Study:

• To review the mechanisms, diagnosis, and management of colon perforations secondary to colonoscopy.
• To delineate factors influencing patient presentation and outcomes.
• To discuss the controversial aspects of operative versus nonoperative management strategies.

Main Methods:

• Review of literature on colonoscopic perforations.
• Analysis of diagnostic methods, including radiology (plain films, X-rays).
• Discussion of clinical factors and surgical indications.

Main Results:

• Perforation signs and symptoms depend on size, location, bowel prep, peritoneal soilage, and patient's condition.
• Radiology is crucial for diagnosis, detecting free air or localized collections.
• Conservative management is suitable for select asymptomatic or improving patients, especially with postpolypectomy coagulation syndrome.

Conclusions:

• Management of colonoscopic perforation is controversial, with roles for both surgical and nonoperative approaches.
• Surgery is indicated for large perforations, generalized peritonitis, sepsis, or when conservative management fails.
• Concomitant pathology or patient deterioration necessitates prompt surgical intervention.