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本文报道我院排便造影550例，其中排便困难组520例，正常对照组30例。520倒排使困难组造影结果总阳性率占94．3％．本文还对送影方法、测量及造影诊断、中医辨证分型等问题作了介绍与讨论。
This article reports 550 cases of defecation in our hospital, including defecation group of 520 cases, 30 cases of normal control group. 520 inverted row so difficult group angiography results accounted for 94.3% of the total positive rate. This article also on the delivery method, measurement and contrast diagnosis, TCM syndrome differentiation and other issues were introduced and discussed.