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胃次全切除术后伴消化不良、上腹痛、恶心、胆汁性呕吐等症状者,认为与十二指肠内容物反流入胃而致胃粘膜屏障明显受损有关。客观地测定十二指肠胃反流可有多种方法,但均为侵入性而又不够精确,另外这些方法均需插胃管或作胃镜检查,这两个操作本身即可导致反流。本文报告应用~(99m)Tc p-Butyl-iminodiacetic acid(~(99m)Tc p-Butyl-IDA)测定十二指肠胃反流的方法和结果。方法受试者空腹过夜后仰卧于肝胆闪烁扫描机下,有准直器(Collimator)的r照相与经过磁带记录的电子计算机相连。扫描范围包括心脏下缘、胃、十二指肠及肝脏。静注2mCi的~(99m)Tc p-Butyl-IDA后,每5
Subtotal gastrectomy with dyspepsia, upper abdominal pain, nausea, biliary vomiting and other symptoms, that the contents of duodenal reflux into the stomach caused by significant damage to the gastric mucosal barrier. There are many ways to objectively determine duodenogastric reflux, but both are invasive and not precise enough. In addition, these methods require a gastroscope or endoscopy, both of which can lead to reflux. This paper reports the method and results of determination of duodenal gastric reflux using ~ (99m) Tc p-Butyl-iminodiacetic acid (~ (99m) Tc p-Butyl-IDA) METHODS Subjects were placed on an empty stomach under a hepatobiliary scintiser overnight after an overnight fast and were photographed with a collimator connected to a magnetic recording computer. Scan range includes the lower edge of the heart, stomach, duodenum and liver. After intravenous injection of 2mCi ~ (99m) Tc p-Butyl-IDA,