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Transient portomesenteric venous gas in long-term hemodialysis patients.

We report on transient portomesenteric venous gas in two long-term hemodialysis patients who showed relatively benign and transient courses. These cases suggested that portomesenteric venous gas associated with long-term hemodialysis is not a predictor of mortality. Therefore, this condition should be carefully followed through clinical findings and the results of laboratory examinations. On the other hand, frequent followed-up computed tomography (CT) is considered unnecessary if serious gastrointestinal complications such as bowel necrosis are not suspected at initial CT examination.