Discordant prevalence of hypertension using two different automated blood pressure measurement devices: a population-based study in Dar es Salaam (Tanzania).

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State: Public
Version: author
Serval ID
serval:BIB_95E3F3C984A0
Type
Article: article from journal or magazin.
Collection
Publications
Institution
Title
Discordant prevalence of hypertension using two different automated blood pressure measurement devices: a population-based study in Dar es Salaam (Tanzania).
Journal
Blood pressure monitoring
Author(s)
Chiolero A., Gervasoni J.P., Rwebogora A., Mkamba M., Waeber B., Paccaud F., Burnier M., Bovet P.
ISSN
1359-5237
ISSN-L
1359-5237
Publication state
Published
Issued date
2004
Peer-reviewed
Oui
Volume
9
Number
2
Pages
59-64
Language
english
Abstract
OBJECTIVE: The estimation of blood pressure is dependent on the accuracy of the measurement devices. We compared blood pressure readings obtained with an automated oscillometric arm-cuff device and with an automated oscillometric wrist-cuff device and then assessed the prevalence of defined blood pressure categories. METHODS: Within a population-based survey in Dar es Salaam (Tanzania), we selected all participants with a blood pressure >/= 160/95 mmHg (n=653) and a random sample of participants with blood pressure <160/95 mmHg (n=662), based on the first blood pressure reading. Blood pressure was reassessed 2 years later for 464 and 410 of the participants, respectively. In these 874 subjects, we compared the prevalence of blood pressure categories as estimated with each device. RESULTS: Overall, the wrist device gave higher blood pressure readings than the arm device (difference in systolic/diastolic blood pressure: 6.3 +/- 17.3/3.7 +/- 11.8 mmHg, P<0.001). However, the arm device tended to give lower readings than the wrist device for high blood pressure values. The prevalence of blood pressure categories differed substantially depending on which device was used, 29% and 14% for blood pressure <120/80 mmHg (arm device versus wrist device, respectively), 30% and 33% for blood pressure 120-139/80-89 mmHg, 17% and 26% for blood pressure 140-159/90-99 mmHg, 12% and 13% for blood pressure 160-179/100-109 mmHg and 13% and 14% for blood pressure >/= 180/110 mmHg. CONCLUSIONS: A large discrepancy in the estimated prevalence of blood pressure categories was observed using two different automatic measurement devices. This emphasizes that prevalence estimates based on automatic devices should be considered with caution.
Keywords
Adult, Arm, Blood Pressure Determination, Diagnostic Errors, Female, Humans, Hypertension, Male, Middle Aged, Oscillometry, Prevalence, Tanzania, Wrist
Pubmed
Web of science
Create date
14/03/2008 10:20
Last modification date
20/08/2019 14:58
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