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Obscure gastrointestinal bleeding of angiography and interventional treatment

August - the first 20 parameters of SVM - Plastic il look!! I Fort barrier!:: Duodenum angiography showed no bleeding after the branch vessel, the catheter into the right gastric artery superselective angiography found a lot of contrast extravasation (Fig. 5). Population of patients with superior mesenteric artery after angiography did not find the cause and site of bleeding, a catheter inserted into suspicious superselective angiography of abnormal vascular branches showed abnormal vessels, specifically the location and cause of bleeding (Figure 2,3). Therefore, when conventional angiography failed to find the cause and site of bleeding, the catheter should be inserted into the corresponding super-select branches of suspected abnormal vascular imaging, to avoid the interference of peripheral blood vessels, so observe the arteries clear display l_4],[link widoczny dla zalogowanych], is conducive to discovery activities bleeding and abnormal blood vessels, improve the detection of obscure gastrointestinal bleeding positive rate. Angiography examination revealed signs of contrast extravasation in patients with bleeding directly for simultaneous intervention, select arterial bleeding vasopressin, gelatin sponge, PVA, steel ring bleeding artery embolization to achieve hemostasis. Arterial infusion of vasopressin for bleeding is a convenient, efficient and economic methods to stop bleeding, no significant complications. Artery embolization and more used in upper gastrointestinal tumors and vascular malformations, due to the digestive tract of the blood supply and collateral vessels is very rich, artery embolization is generally not complicated by organ ischemia. In this study, there are many cancer patients with hemorrhagic shock, rescue Bank of angiography and right gastric artery with gelatin sponge embolization, in order to gain time for surgery, surgical pathology confirmed invasive gastric cancer. Vascular malformations are lesions in the intestinal submucosa,[link widoczny dla zalogowanych], no mass performance. Endoscopy, gastrointestinal barium meal, CT scan diagnosis difficult,[link widoczny dla zalogowanych], surgical exploration site of bleeding intestines, the scope is also very difficult, there is a certain blindness; and vascular imaging can Changdao vascular changes in the structure, distribution and morphology Traveling, whether there is a clear vascular lesions,[link widoczny dla zalogowanych], and the location and extent of disease, provide programs for further treatment, and intervention can be. Next? Shaw Road, collateral vessels of less easily lead to intestinal artery embolization necrosis, the key is inserted into the catheter over the appropriate choice can only proceed after arterial embolization, to avoid complication of intestinal necrosis.
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