Arq. Bras. Cardiol. 2021; 116(5): 906-907
Walking Training Improve Ambulatorial Blood Pressure Variability in Claudicants
Leandro Franzoni
, Gabriel Pereira de Reis Zubaran, Stephanie Bastos da Motta
This Short Editorial is referred by the Research article "Walking Training Improves Ambulatory Blood Pressure Variability in Claudication".
Peripheral arterial disease (PAD) has been shown to be increasingly prevalent worldwide. Clinical diagnosis is based on evaluation of the ankle brachial index (ABI), where the ankle systolic blood pressure (BP) is divided by the systolic BP of the arm.² Value <0.9 indicate the presence of PAD. Reduction in systolic BP of the ankle is due to atherosclerosis in the lower limbs. Individuals with PAD have significant hemodynamic abnormalities, such as an increase in BP levels. In addition, high BP variability is correlated with the development of PAD in diabetic individuals.
It is important to reduce BP levels in PAD individuals. Physical training is a useful tool that can assist the treatment of clinical symptoms., It was what Chehuen et al. did; they investigated the effect of walking training (WT) on ambulatory BP variability in PAD individuals. It is an elegant randomized clinical trial in which individuals with PAD and claudication symptoms were divided into two groups: control (n=16) and WT (n=19). 24-hour ambulatory BP was assessed before and after 12 weeks. As an outcome, they evaluated the mean systolic BP and ambulatory diastolic BP, as well as variables representing systolic, diastolic and average BP variability (24-hour standard deviation – SD24, awake and asleep weighted standard deviation – SDdn, and 24-hour average real variability – ARV24).
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