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Results for “HEMORRHAGE, GASTROINTESTINAL”

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Transcatheter treatment for lower gastrointestinal hemorrhage.

Modern transcatheter embolization has emerged as a viable option for the treatment of lower gastrointestinal (LGI) hemorrhage. Over the last decade, steady data has accumulated showing the safety and effectiveness of superselective microcoil embolization within the colon. In light of such results, the application of microcatheter-based skills has become more important in an algorithm for managing LGI bleeding. The purpose of this article is to discuss the modern embolization technique while also reviewing traditional and experimental transcatheter methods that may prove useful in the appropriate clinical settings. While recognizing that transcatheter therapy continues to evolve, the proposed indications for these current treatments are reviewed.

Angiography, Digital Subtraction↗

Association of gastrointestinal hemorrhage with increased blood urea nitrogen and BUN/creatinine ratio in dogs: a literature review and retrospective study.

Blood urea nitrogen (BUN) and serum creatine concentrations were recorded from the medical records of 52 dogs with clinical evidence for upper gastrointestinal hemorrhage (UGH) at the Colorado State University Veterinary Teaching Hospital between 1988 and 1995. Eighteen of the dogs had melena, 11 dogs had hematemesis, and 23 dogs had both melena and hematemesis. Compared with age-matched control dogs, dogs with suspected UGH had a significantly higher BUN concentration (31.0 mg/dL vs. 16.5 mg/dL), creatinine concentration (1.2 mg/dL vs. 1.1 mg/dL) and BUN/creatinine ratio (27.6 vs. 14.4). The increase in BUN/creatinine ratio suggested that the increased BUN concentration in dogs with evidence for UGH primarily was associated with increased gastrointestinal absorption of nitrogenous compounds, and hepatic ureagenesis.

Journal Article↗