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Individual shear rate therapy (ISRT)—further development of external counterpulsation for decreasing blood pressure in patients with symptomatic coronary artery disease (CAD)
Hypertension Research ( IF 4.3 ) Pub Date : 2019-12-23 , DOI: 10.1038/s41440-019-0380-x
Frauke Picard 1 , Petroula Panagiotidou 1 , Anamaria Wolf-Pütz 1 , Ivo Buschmann 2, 3 , Eva Buschmann 2, 3, 4 , Maximilian Steffen 1 , Hanno Peters 1 , Rolf Michael Klein 1, 5
Affiliation  

Individual shear rate therapy (ISRT) evolved from external counterpulsation with individual treatment pressures based on Doppler ultrasound measurements. In this study, we assessed the effect of ISRT on blood pressure (BP) in patients with coronary artery disease (CAD). Eighty-four patients with symptomatic CAD were included in the study. Forty-one patients were enrolled for 6 weeks, comprising 30 sessions of ISRT; 43 age- and sex-matched patients represented the control group. The 24-h BP was determined by measuring the pulse transit time before and after 6 weeks of ISRT or the time-matched control. Participants were divided into three groups according to the 24-h BP before treatment: BP1 < 130/80 mmHg (normotensive); BP2 ≥ 130–140/80 mmHg (moderate hypertensive); BP3 > 140/80 mmHg (hypertensive). After 30 sessions of ISRT, the 24-h BP decreased significantly, whereas no changes were observed in the controls. The BP-lowering effect correlated with the 24-h BP before therapy (systolic: r = −0.78; p < 0.001; diastolic: r = −0.76; p < 0.001). In BP1, the systolic BP decreased by 4.3 ± 6.4 mmHg ( p = 0.011), and the diastolic BP decreased by 4.8 ± 11.0 mmHg ( p = 0.032); in BP2, the systolic BP decreased by 13.3 ± 7.5 mmHg ( p < 0.001), and the diastolic BP decreased by 5.0 ± 7.5 mmHg ( p = 0.002); and in BP3, the systolic BP decreased by 22.9 ± 11.4 mmHg ( p < 0.001), and the diastolic BP decreased by 9.1 ± 9.5 mmHg ( p = 0.003). Our findings demonstrate that ISRT reduces BP in patients with CAD. The higher the initial BP the greater the lowering effect.

中文翻译:

个体剪切率治疗 (ISRT)——进一步发展体外反搏以降低有症状的冠状动脉疾病 (CAD) 患者的血压

个体剪切率治疗 (ISRT) 是从外部反搏演变而来的,具有基于多普勒超声测量的个体治疗压力。在本研究中,我们评估了 ISRT 对冠状动脉疾病 (CAD) 患者血压 (BP) 的影响。该研究包括了 84 名有症状的 CAD 患者。41 名患者入组 6 周,包括 30 次 ISRT;43 名年龄和性别匹配的患者代表对照组。通过测量 ISRT 或时间匹配对照 6 周前后的脉搏传导时间来确定 24 小时血压。参与者根据治疗前 24 小时血压分为三组:BP1 < 130/80 mmHg(血压正常);BP2 ≥ 130–140/80 mmHg(中度高血压);BP3 > 140/80 mmHg(高血压)。经过 30 次 ISRT 会议后,24 小时血压显着下降,而对照组未观察到变化。降压效果与治疗前 24 小时血压相关(收缩压:r = -0.78;p < 0.001;舒张压:r = -0.76;p < 0.001)。在BP1中,收缩压下降4.3±6.4 mmHg(p=0.011),舒张压下降4.8±11.0mmHg(p=0.032);在BP2中,收缩压下降13.3±7.5mmHg(p<0.001),舒张压下降5.0±7.5mmHg(p=0.002);在 BP3 中,收缩压降低 22.9 ± 11.4 mmHg (p < 0.001),舒张压降低 9.1 ± 9.5 mmHg (p = 0.003)。我们的研究结果表明,ISRT 可降低 CAD 患者的血压。初始血压越高,降低效果越大。降压效果与治疗前 24 小时血压相关(收缩压:r = -0.78;p < 0.001;舒张压:r = -0.76;p < 0.001)。在BP1中,收缩压下降4.3±6.4 mmHg(p=0.011),舒张压下降4.8±11.0mmHg(p=0.032);在 BP2 中,收缩压降低 13.3 ± 7.5 mmHg (p < 0.001),舒张压降低 5.0 ± 7.5 mmHg (p = 0.002);在 BP3 中,收缩压降低 22.9 ± 11.4 mmHg (p < 0.001),舒张压降低 9.1 ± 9.5 mmHg (p = 0.003)。我们的研究结果表明,ISRT 可降低 CAD 患者的血压。初始血压越高,降低效果越大。降压效果与治疗前 24 小时血压相关(收缩压:r = -0.78;p < 0.001;舒张压:r = -0.76;p < 0.001)。在BP1中,收缩压下降4.3±6.4 mmHg(p=0.011),舒张压下降4.8±11.0mmHg(p=0.032);在BP2中,收缩压下降13.3±7.5mmHg(p<0.001),舒张压下降5.0±7.5mmHg(p=0.002);在 BP3 中,收缩压降低 22.9 ± 11.4 mmHg (p < 0.001),舒张压降低 9.1 ± 9.5 mmHg (p = 0.003)。我们的研究结果表明,ISRT 可降低 CAD 患者的血压。初始血压越高,降低效果越大。舒张压下降 4.8 ± 11.0 mmHg (p = 0.032);在BP2中,收缩压下降13.3±7.5mmHg(p<0.001),舒张压下降5.0±7.5mmHg(p=0.002);在 BP3 中,收缩压降低 22.9 ± 11.4 mmHg (p < 0.001),舒张压降低 9.1 ± 9.5 mmHg (p = 0.003)。我们的研究结果表明,ISRT 可降低 CAD 患者的血压。初始血压越高,降低效果越大。舒张压下降 4.8 ± 11.0 mmHg (p = 0.032);在BP2中,收缩压下降13.3±7.5mmHg(p<0.001),舒张压下降5.0±7.5mmHg(p=0.002);在 BP3 中,收缩压降低 22.9 ± 11.4 mmHg (p < 0.001),舒张压降低 9.1 ± 9.5 mmHg (p = 0.003)。我们的研究结果表明,ISRT 可降低 CAD 患者的血压。初始血压越高,降低效果越大。
更新日期:2019-12-23
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