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目的:研究运动平板负荷试验(ETT)中收缩压异常反应的意义。方法:选择同时经ETT及冠状动脉造影(CAG)检查的可疑冠心病患者71例。分别用ST段偏移异常(公认指标)及收缩压反应异常(新指标)判断ETT结果,再分别与CAG结果进行统计学分析比较。结果:根据新指标判断的ETT阳性检出率与CAG的阳性率比较差异有统计学意义。结论:新指标不宜作为运动负荷试验阳性的独立判断指标。
Objective: To study the significance of systolic pressure anomalous reaction in exercise treadmill exercise test (ETT). Methods: Seventy-one patients with suspected coronary heart disease who underwent simultaneous ETT and coronary angiography (CAG) were enrolled. The ETT results were judged by abnormal ST segment deviation (accepted indicators) and systolic pressure response abnormalities (new indicators), respectively, and compared with CAG results for statistical analysis. Results: The positive rate of ETT judged by the new index was significantly different from that of CAG. Conclusion: The new index should not be used as an independent judgmental indicator of positive exercise load test.