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Comparison of manual and automated auscultatory blood pressure during graded exercise among people with type 2 diabetes
Author(s) -
Moore Myles N.,
Picone Dean S.,
Callisaya Michele L.,
Srikanth Velandai,
Sharman James E.,
Schultz Martin G.
Publication year - 2019
Publication title -
the journal of clinical hypertension
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.909
H-Index - 67
eISSN - 1751-7176
pISSN - 1524-6175
DOI - 10.1111/jch.13717
Subject(s) - medicine , concordance , blood pressure , treadmill , physical therapy , intraclass correlation , clinical psychology , psychometrics
Manual measurement of blood pressure (BP) during exercise testing is the recommended standard. Automated measurement of BP is an alternative method used during clinical exercise testing, but there is little data comparing manual and automated BP in this setting. The aim of this study was to determine the concordance between manual and automated BP during a standard clinical treadmill exercise test. 41 6 participants (66 ± 5 years; 54% male) completed a Bruce treadmill exercise test at baseline or follow‐up within a clinical trial of participants with type 2 diabetes mellitus. Manual and automated BP were measured simultaneously at each exercise test stage. Manual BP was measured by a technician blinded to automated BP values (Tango+, Suntech). Concordance between manual and automated BP was assessed using mean differences and intraclass correlations (ICC). Concordance between manual and automated BP across all exercise stages was excellent for systolic BP (overall mean difference: 3 ± 11 mm Hg, P  = .598; ICC = 0.964 [95% CI 0.942‐0.977] and pulse pressure (overall mean difference: 2 ± 14 mm Hg, P  = .595; ICC = 0.934 [95% CI 0.899‐0.956]). Concordance between manual and automated diastolic BP across all exercise stages was moderate‐to‐good (overall mean difference: 1 ± 9 mm Hg, P  = .905; ICC = 0.784 [95% CI 0.672‐0.858]). Automated BP using the Tango + device is concordant with manual BP during early stages of a standard clinical exercise test. Thus, this automated method may be a suitable alternative to manual measurement of BP during clinical exercise testing.

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