Fabry R, Dubost J J, Pochon P, Duchêne-Marullaz P
Institut de Recherches Cardiovascularies Royat, France.
Angiology. 1990 Oct;41(10):869-76. doi: 10.1177/000331979004101009.
In 215 outpatients suffering from occlusive arterial disease of the lower limbs the authors compared the decrease in the ratio of ankle systolic pressure to brachial systolic pressure according to whether the treadmill exercise was limited to one minute or extended until pain forced the patient to stop. After a one-minute walk the pressure index always decreased significantly, especially when walking was restricted. The decrease in the pressure index was generally greater when the exercise was continued until the absolute walking distance, and the recovery time was usually twice as long. The fall in the pressure index was significantly greater for patients with single and multiple iliac stenoses than for those with stenoses at lower levels. In patients having a diastolic blood flow velocity on Doppler curves at rest, not modified by walking, a maximum drop in peripheral pressure was recorded after walking for one minute. In this instance there was no intensification of the decrease in peripheral pressure, unlike in patients without a diastolic blood flow velocity at rest. This one-minute test is not a maximal hemodynamic response, but it is sufficient for the appreciation of ischemia during exercise, according to the different parameters measured.
在215例下肢闭塞性动脉疾病门诊患者中，作者比较了根据跑步机运动是限制在1分钟还是延长至疼痛迫使患者停止时，踝部收缩压与肱部收缩压比值的下降情况。步行1分钟后，压力指数总是显著下降，尤其是在步行受限的时候。当运动持续到绝对步行距离时，压力指数的下降通常更大，且恢复时间通常是原来的两倍。单处和多处髂动脉狭窄患者的压力指数下降明显大于较低部位狭窄患者。在静息时多普勒曲线有舒张期血流速度且不受步行影响的患者中，步行1分钟后记录到外周压力的最大下降。在这种情况下，与静息时无舒张期血流速度的患者不同，外周压力下降没有加剧。根据所测量的不同参数，这项1分钟测试并非最大血流动力学反应，但足以评估运动期间的缺血情况。
