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运动负荷试验时,许多标志或终点提示心肌缺血,曾被证明对多巴酚丁胺负荷试验具有诊断意义。包括症状、心电图改变、节段性室壁运动异常和左室功能改变。运动负荷试验中的低血压,曾被证明具有预示显著的多血管和/或左主干冠脉疾病,以及心脏预后不良。本文复习了对此技术的经验评价多巴酚丁胺输液进行生理性心血管负荷时,低血压的诊断意义。本文复习了总数116例连续负荷多酚丁胺试验,其中112例作了超声心动图。病人系可疑冠心病或冠心病人需评价予后或不能作运动负荷试验者,有42例发生低血压,收缩压较用药前下降3.6±1.5kpa(27±11mmHg)。多巴酚丁胺平均最大输注速率25±8ug/kg/分(10～40)、输注时间17±7分(3～39)。42例低血压者,20例作了心导管检查,
Many signs or endpoints suggest myocardial ischemia during exercise stress tests that have been shown to have diagnostic significance for dobutamine stress testing. Including symptoms, ECG changes, segmental wall motion abnormalities and left ventricular function changes. Hypotension in exercise stress tests has been shown to predict significant multiple vessel and / or left main coronary artery disease, as well as poor cardiac outcomes. This article reviews the experience of this technology to evaluate the diagnostic significance of hypotension during dobutamine infusion for physiological cardiovascular load. This review of a total of 116 cases of continuous loading polyphenobutylamine test, of which 112 cases were echocardiography. In patients with suspicious coronary heart disease or patients with coronary heart disease need to be evaluated after exercise stress test or not, 42 cases of hypotension, systolic blood pressure decreased 3.6 ± 1.5kpa (27 ± 11mmHg) before treatment. The average maximum infusion rate of dobutamine was 25 ± 8ug / kg / min (10-40) and infusion time was 17 ± 7 (3-39). 42 cases of hypotension, cardiac catheterization in 20 cases,