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Spectrum of ischemic colitis in cocaine users
1Department of Internal Medicine, Bronx Lebanon Hospital Center, New York 10457, USA.
Digestive Diseases and Sciences
|July 1, 1997
Summary
Cocaine colitis, a form of ischemic enterocolitis, presents with left colon lesions and rectal bleeding in users. Chronic lesions may indicate recurrent cocaine use and repeated ischemic events.
Area of Science:
- Gastroenterology
- Toxicology
- Colorectal Surgery
Background:
- Ischemic enterocolitis is a known complication in cocaine users.
- Diagnosis relies on clinical presentation, endoscopic, and histopathologic findings, excluding other causes.
- Cocaine's vasoconstrictive properties are implicated in its pathogenesis.
Purpose of the Study:
- To evaluate the endoscopic and histopathologic features of cocaine-induced ischemic colitis.
- To investigate the correlation between lesion chronicity and patterns of cocaine use.
Main Methods:
- Retrospective analysis of seven patients diagnosed with cocaine colitis.
- Review of endoscopic findings, including location, appearance, and rectal involvement.
- Histopathologic examination of colonic biopsies to assess lesion stage (acute, subacute, chronic).
Main Results:
- Endoscopic findings were confined to the left colon, showing hemorrhagic edematous mucosa, pseudopolyps, and ulcerations.
- Rectal involvement was observed in five out of seven patients, which is uncommon in typical ischemic colitis.
- Histologic analysis revealed a spectrum of acute, subacute, and chronic lesions, with some patients exhibiting mixed stages.
Conclusions:
- Cocaine colitis exhibits distinct endoscopic features, including left-sided colonic lesions and frequent rectal involvement.
- The presence of subacute/chronic histopathologic lesions suggests recurrent ischemic episodes, potentially linked to repeated cocaine consumption.
- Further research is necessary to elucidate the long-term clinical and histopathologic implications of chronic changes in cocaine colitis.