Related Experiment Videos
Enhanced CT for initial localization of active lower gastrointestinal bleeding.
1Division of General Surgery, Mimihara General Hospital, 4-465, Kyowacho, Sakai City, Osaka 590-8505, Japan.
Abdominal Imaging
|November 25, 2003
Summary
Vividly enhanced computed tomography (CT) can rapidly detect active lower gastrointestinal (GI) bleeding. This quick, less invasive imaging may be the preferred initial diagnostic step for GI hemorrhage.
Area of Science:
- Radiology
- Gastroenterology
- Medical Imaging
Background:
- Active lower gastrointestinal (GI) bleeding poses a significant risk, potentially leading to shock.
- Conventional diagnostic methods like colonoscopy, angiography, and scintigraphy are time-consuming.
- Rapid localization of bleeding sources is crucial for effective patient management.
Purpose of the Study:
- To demonstrate the efficacy of vividly enhanced computed tomography (CT) in quickly identifying active lower GI bleeding.
- To evaluate enhanced CT as a rapid diagnostic tool for lower GI hemorrhage.
Main Methods:
- Dynamic enhanced CT scans were performed on five patients with active lower GI bleeding.
- Imaging included scans at 0.5 and 5 minutes post-intravenous contrast administration.
Main Results:
- Contrast medium pooling, indicative of active bleeding, was observed in four out of five patients.
- The identified causes of bleeding included diverticular disease, rectal ulcer, and small intestinal ulcer.
- The entire localization procedure was completed within 15 minutes for all patients.
- Contrast extravasation was confirmed by surgical assessment.
Conclusions:
- Enhanced helical CT is an effective method for detecting the source of active lower GI bleeding.
- The procedure is brief, minimally invasive, and less demanding than traditional methods.
- Enhanced CT is recommended as a potential first-line diagnostic approach for lower GI tract bleeding.