Relation Between Digital Peripheral Arterial Tonometry and Brachial Artery Ultrasound Measures of Vascular Function in Patients With Coronary Artery Disease and in Healthy Volunteers

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Digital peripheral arterial tonometry (PAT) is an emerging, non-invasive method to assess vascular function. The physiology underlying this phenotype, however, remains unclear. Therefore, we evaluated the relationship between digital PAT and established brachial artery ultrasound measures of vascular function under basal conditions and following reactive hyperemia. Using a cross-sectional study design, digital PAT and brachial artery ultrasound with pulsed wave Doppler were simultaneously completed at baseline and following reactive hyperemia in both individuals with established...
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