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Aggressive colonoscopic approaches to lower intestinal bleeding.

C Y Wang¹, C W Won, M J Shieh

¹Department of Internal Medicine, National Taiwan University Hospital, Taipei.

Gastroenterologia Japonica

|July 1, 1991

Summary

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Emergency colonoscopy effectively diagnoses lower gastrointestinal bleeding sources in adults and children. This procedure allows direct visualization of the colon

Area of Science:

Gastroenterology
Endoscopy
Colorectal Surgery

Background:

Lower intestinal tract bleeding is a serious condition requiring prompt diagnosis.
Colonoscopy offers direct visualization and therapeutic intervention for bleeding sources.

Purpose of the Study:

To evaluate the diagnostic yield and effectiveness of emergency colonoscopy in patients with acute severe lower gastrointestinal bleeding.
To identify common causes of lower GI bleeding in different age groups.

Main Methods:

Retrospective analysis of 230 emergency colonoscopies performed between 1973 and 1990.
Colonoscopies were conducted within 48 hours of bleeding onset, without fluoroscopy.
Cecal intubation was achieved in 66% of examinations.

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Main Results:

Bleeding sources were identified in 94.7% of cases.
Both bleeding and responsible lesions were visualized in 71.7% of patients.
Common causes included cancer, inflammatory lesions, ischemic colitis, and vascular ectasia in adults, and juvenile polyps in children.

Conclusions:

Emergency colonoscopy is a valuable tool for diagnosing lower gastrointestinal bleeding.
The procedure enables identification of diverse bleeding etiologies across age groups.
Timely colonoscopy facilitates appropriate management of severe lower GI hemorrhage.