消化道出血DSA诊疗中影响图像质量因素的研究
Journal of Taishan Medical College(2007)
Abstract
目的研究数字减影血管造影(DSA)在消化道出血诊疗中影响图像质量的因素。方法使用日本日立公司DFA-100数字减影血管造影机对36例消化道出血的病人行腹腔动脉、肠系膜上动脉、肠系膜下动脉DSA检查,根据不同部位及需要对各种参数调节设定,使得到最佳图像,利于临床诊疗。结果36例病人中31例获得满意图像,明确了出血部位及原因,并行介入治疗,成功止血。5例未见阳性征象。结论消化道出血DSA诊疗中,DSA技术参数的合理设定是获得优质图像的关键,是介入诊疗的基础。
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Key words
image quality,technical data,DSA,gastrointestinal hemorrhage
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