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术后消化道出血是一严重并发症,作者介绍了图象诊断法。研究对象为术后并发消化道出血进行血管造影的17例共19处出血病变,其中6处病变用放射性同位素扫描。术后不久出血者为早期型14例,出院后发生出血者为晚期型3例。放射性同位素出血扫描术有两种方法:一个用~(99m)Tc硫磺胶体静注扫描法,了解它由出血血管漏至消化道的状况。另一种用标记法扫描,了解红血球在消化道漏
Postoperative gastrointestinal bleeding is a serious complication. The authors introduced an image diagnosis method. A total of 19 hemorrhagic lesions were performed in 17 patients who underwent angiography for postoperative gastrointestinal bleeding. Six lesions were scanned with radioisotopes. Shortly after the operation, there were 14 cases of early bleeding and 3 cases of late bleeding after discharge. There are two methods for radioactive isotope hemorrhage scanning: one uses a ~(99m)Tc sulfur colloidal intravenous scan to see how it leaks from the bleeding vessels to the digestive tract. Another method of scanning with markers to understand the red blood cells leaking in the digestive tract