Brachial-to-radial systolic blood pressure amplification in patients with type 2 diabetes mellitus

Brachial-to-radial-systolic blood pressure amplification (Bra-Rad-SBP Amp ) can affect central SBP estimated by radial tonometry. Patients with type 2 diabetes mellitus (T2DM) have vascular irregularities that may alter Bra-Rad-SBP Amp . By comparing T2DM with non-diabetic controls, we aimed to dete...

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Bibliographic Details
Published in:Journal of human hypertension 2016-06, Vol.30 (6), p.404-409
Main Authors: Climie, R E D, Picone, D S, Keske, M A, Sharman, J E
Format: Article
Language:English
Subjects:
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Aged
Arterial Pressure
Arteries
Auscultation
Blood Flow Velocity
Blood pressure
Brachial Artery - diagnostic imaging
Brachial Artery - physiopathology
Care and treatment
Case-Control Studies
Diabetes
Diabetes mellitus (non-insulin dependent)
Diabetes Mellitus, Type 2 - complications
Diabetes Mellitus, Type 2 - diagnosis
Diabetes Mellitus, Type 2 - physiopathology
Diabetic Angiopathies - diagnosis
Diabetic Angiopathies - etiology
Diabetic Angiopathies - physiopathology
Epidemiology
Female
Flow velocity
Health Administration
Health aspects
Hemodynamics
Humans
Hypertension
Male
Manometry
Medicine
Medicine & Public Health
Middle Aged
original-article
Predictive Value of Tests
Public Health
Radial Artery - diagnostic imaging
Radial Artery - physiopathology
Regional Blood Flow
Reproducibility of Results
Type 2 diabetes
Ultrasonic imaging
Ultrasonography, Doppler
Ultrasound
Ultrasound imaging
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Summary:Brachial-to-radial-systolic blood pressure amplification (Bra-Rad-SBP Amp ) can affect central SBP estimated by radial tonometry. Patients with type 2 diabetes mellitus (T2DM) have vascular irregularities that may alter Bra-Rad-SBP Amp . By comparing T2DM with non-diabetic controls, we aimed to determine the (1) magnitude of Bra-Rad-SBP Amp ; (2) haemodynamic factors related to Bra-Rad-SBP Amp ; and (3) effect of Bra-Rad-SBP Amp on estimated central SBP. Twenty T2DM (64±8 years) and 20 non-diabetic controls (60±8 years; 50% male both) underwent simultaneous cuff deflation and two-dimensional ultrasound imaging of the brachial and radial arteries. The first Korotkoff sound (denoting SBP) was identified from the first inflection point of Doppler flow during cuff deflation. Bra-Rad-SBP Amp was calculated by radial minus brachial SBP. Upper limb and systemic haemodynamics were recorded by tonometry and ultrasound. Radial SBP was higher than brachial SBP for T2DM (136±19 vs 127±17 mm Hg; P
ISSN:0950-9240
1476-5527
DOI:10.1038/jhh.2015.101