Melo Cíntia M, Alencar Filho Aristóteles C, Tinucci Tais, Mion Décio, Forjaz Cláudia L M
Exercise Hemodynamic Laboratory, School of Physical Education and Sport, University of São Paulo, Brazil.
Blood Press Monit. 2006 Aug;11(4):183-9. doi: 10.1097/01.mbp.0000218000.42710.91.
The present study investigated the effect of a single bout of low-intensity resistance exercise on recovery blood pressure in hypertensive women receiving captopril.
Twelve essential hypertensive women, who were receiving captopril, underwent two experimental sessions: control (C - 40 min of seated rest) and low-intensity resistance exercise (E - six resistance exercises, three sets, 20 repetitions, 40% of one repetition maximum). Clinic blood pressure was measured in the laboratory, before and for 120 min after exercise or rest. Moreover, ambulatory blood pressure was also measured for 21 h after exercise or rest.
Clinic blood pressures decreased significantly after exercise (systolic blood pressure =-12+ or -3 mmHg and diastolic blood pressure =-6+ or -2 mmHg, P<0.05), but not after rest. Mean awake blood pressures (systolic: C=132+ or -5 mmHg vs. E=125+ or -4 mmHg and diastolic: C=83+ or -3 mmHg vs. E=78+ or -2 mmHg, P<0.05) were significantly lower in the E than in the C session, while 21-h (systolic blood pressures: C=128+ or -5 mmHg vs. E=123+ or -4 mmHg; and diastolic blood pressures: C=80+ or -3 mmHg vs. E=76+ or -2 mmHg) and asleep (systolic blood pressures: C=120+ or -7 mmHg vs. E=118+ or -5 mmHg; and diastolic blood pressures: C=73+ or -4 mmHg vs. E=71+ or -3 mmHg) blood pressures did not differ between the experimental sessions. Moreover, there was a positive correlation between blood pressure measured in the C session and blood pressure reduction observed in the E session, showing that blood pressure decrease was greater when blood pressure level was higher.
In hypertensive women receiving captopril, a single bout of low-intensity resistance exercise reduces blood pressure. This reduction persists for 10 h, during the awake period, while patients were engaged in their daily living activities. It was greater in patients with higher ambulatory blood pressure.
本研究调查了单次低强度抗阻运动对接受卡托普利治疗的高血压女性恢复血压的影响。
12名正在接受卡托普利治疗的原发性高血压女性进行了两个实验阶段：对照（C - 40分钟坐姿休息）和低强度抗阻运动（E - 六项抗阻运动，三组，每组20次重复，为1次重复最大值的40%）。在实验室中，于运动或休息前以及运动或休息后120分钟测量临床血压。此外，在运动或休息后还测量了21小时的动态血压。
运动后临床血压显著下降（收缩压=-12±3 mmHg，舒张压=-6±2 mmHg，P<0.05），但休息后未下降。E阶段的平均清醒血压（收缩压：C=132±5 mmHg vs. E=125±4 mmHg；舒张压：C=83±3 mmHg vs. E=78±2 mmHg，P<0.05）显著低于C阶段，而21小时（收缩压：C=128±5 mmHg vs. E=123±4 mmHg；舒张压：C=80±3 mmHg vs. E=76±2 mmHg）和睡眠时（收缩压：C=120±7 mmHg vs. E=118±5 mmHg；舒张压：C=73±4 mmHg vs. E=71±3 mmHg）的血压在各实验阶段之间没有差异。此外，C阶段测量的血压与E阶段观察到的血压降低之间存在正相关，表明血压水平越高，血压下降幅度越大。
在接受卡托普利治疗的高血压女性中，单次低强度抗阻运动可降低血压。这种降低在清醒期间持续10小时，即患者进行日常生活活动期间。动态血压较高的患者中这种降低幅度更大。
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