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Blood pressure during blood collection and the implication for absolute cardiovascular risk assessment

Chapman, N ORCID: 0000-0001-6317-5594, Picone, DS ORCID: 0000-0002-4760-1634, Climie, RE, Schultz, MG ORCID: 0000-0003-3458-1811, Nelson, MR ORCID: 0000-0001-9941-7161 and Sharman, JE ORCID: 0000-0003-2792-0811 2020 , 'Blood pressure during blood collection and the implication for absolute cardiovascular risk assessment' , Pulse, vol. 8, no. 1-2 , pp. 40-46 , doi: 10.1159/000506646.

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Background: Blood collection and blood pressure (BP) measurements are routinely performed during the same consultation to assess absolute cardiovascular disease (CVD) risk. This study aimed to determine the effect of blood collection on BP and subsequent calculation of the absolute CVD risk. Methods: Forty-five participants aged 58 ± 9 years (53% male) had systolic BP (SBP) measured using clinical guideline methods (clinic SBP). Then, on a separate visit, BP was measured immediately before, during, and after blood collection. Absolute CVD risk scores were calculated (Framingham equation) using SBP from each measurement condition and compared. Results: The prevalence of low (p = 0.010 and p = 0.003, respectively). However, there were no significant differences between clinic SBP (128 ± 18 mm Hg) and blood collection SBP (p = 0.99) or the absolute CVD risk scores (7.3 ± 6.5; 7.6 ± 5.9; 7.7 ± 6.1; and 7.1 ± 5.7%, respectively; p = 0.995 for all). The mean intraclass correlation (95% CI) indicated good agreement between absolute CVD risk scores calculated with clinic SBP and each blood collection SBP (0.86 [95% CI 0.74-0.92], 0.85 [95% CI 0.71-0.91], and 0.87 [95% CI 0.76-0.93], respectively; p Conclusion: Absolute CVD risk calculation is not affected by use of SBP measurements recorded at the time of blood collection. Therefore, it is acceptable to collect blood and measure BP during the same consultation for absolute CVD risk assessment.

Item Type: Article
Authors/Creators:Chapman, N and Picone, DS and Climie, RE and Schultz, MG and Nelson, MR and Sharman, JE
Keywords: cardiovascular disease, medical consultation, phlebotomy, risk factors, venepuncture
Journal or Publication Title: Pulse
Publisher: S. Karger AG
ISSN: 2235-8676
DOI / ID Number: 10.1159/000506646
Copyright Information:

Copyright 2020 S. Karger AG, Basel

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