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Pulse Waveform Analysis of Chinese Pulse Images and Its Association with Disability in Hypertension
Nathalia Gomes Ribeiro Moura,Arthur Sá Ferreira 사단법인약침학회 2016 Journal of Acupuncture & Meridian Studies Vol.9 No.2
Hypertension affects functional capacity and quality of life. Pulse wave analysis (PWA) quantifies the pulse waveform’s propagation and its changes resulting from arterial remodeling. Pulse image analysis (PIA) in traditional Chinese medicine contributes to pattern differentiation and therapeutic intervention. This protocol study evaluates the relationships between the parameters of bothPWA and PIA to identify patterns in patients with hypertension and the associations of those patterns with functional capacity. In this observational, cross-sectional study protocol 40 patients were subjected to clinical and laboratorial examinations to assess the risk factors for cardiovascular disease and pattern differentiation. PWA was noninvasively performed at the radial artery to estimate the pulse wave’s velocity, arterial compliance, and reflection index. PIA using the “simultaneous pressing” method was performed to assess nine indicators. Handgrip strength and physical activity was assessed as functional outcomes. We hypothesized that interactions between patterns and pulse images affect the PWA parameters and that the functional outcomes are weakly associated with personal, hemodynamic and risk factors for cardiovascular disease. Performing a PIA in patients with hypertension might allow the identification of early target-organ damage, standardization of the PIA based on the PWA, and unification of the pulse diagnosis.
Timothy Sam-Kit Tin,Chi-Hsiu Daniel Weng,Patricia dos Santos Vigário,Arthur de Sá Ferreira 사단법인약침학회 2020 Journal of Acupuncture & Meridian Studies Vol.13 No.1
This study evaluates the effects of a short-term Cardio Tai Chi program on the cardiorespiratory fitness and hemodynamic parameters in sedentary adults. Thirty-one sedentary participants (age: 58 Æ 9 years, body mass: 63 Æ 12 kg) were subjected to an exercise program during 10 sessions over a 10-day period within 2 weeks. The Cardio Tai Chi program consisted in a series of three to five intervals lasting 90 s each at w70% maximal heart rate separated by 2-min of low-intensity recovery. Primary outcome measures were cardiorespiratory fitness (peak oxygen uptake, _ VO 2peak ) assessed by the Rockport walking test and resting hemodynamic parameters (systolic, diastolic, mean, and pulse pressures). We observed a significant difference of means on post-pre _ VO 2peak [4.5 ml/kg/ min, 95% confidence interval (CI): 3.1 to 5.8, p Z 0.004], systolic blood pressure (-5.5 mmHg, 95% CI:-7.3 to -3.8, p Z 0.010) and pulse pressure (-3.7 mmHg, 95% CI: -5.2 to -2.3, p Z 0.028). No significant differences were observed for diastolic pressure (À1.8 mmHg, 95% CI: -2.6 to -1.0, p Z 0.226), mean blood pressure (2.5 mmHg, 95% CI: 1.4 to 3.6, p Z 0.302), or resting heart rate (-0.9 beat/min, 95% CI: -2.0 to 0.1, p Z 0.631). Our findings suggest that engaging in a short-term Cardio Tai Chi program can improve cardiorespiratory fitness and hemodynamic parameters in sedentary adults.