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非出血可见的血管和哨兵血凝块常用以描述近期 出血的溃疡底部的突出物。经内科处理后,近50%此类患者的病变在住院期间可再次出血。本研究旨在明确溃疡底部突出物的自然演变过程;确定以后再出血是否与起初见到的“血管型”或“哨兵血凝块”有关。 所有入院后24小时内行内镜检查发现溃疡底部有一不被水冲去的突出物者纳入研究。根据内镜下表
Non-hemorrhagic visible blood vessels and sentinel blood clots are commonly used to describe prominences at the base of the recent bleeding ulcer. After medical treatment, nearly 50% of these patients with lesions may be bleeding again during hospitalization. The aim of this study was to identify the natural evolution of the prominences at the base of the ulcer; to determine if subsequent rebleeding was associated with the first “vascular” or “sentinel blood clot” seen. All patients underwent endoscopic examination within 24 hours after admission and found that there was a protrusion at the bottom of the ulcer that was not rinsed by water. According to endoscopic table