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Articles

Cost-effectiveness of secondary screening modalities for hypertension

Wang, Claire; Koval, Alisa M.; Nakamura, Miyabi; Newman, Jonathan D.; Schwartz, Joseph E.; Stone, Patricia W.

Background: Clinic-based blood pressure (CBP) has been the default approach for the diagnosis of hypertension, but patients may be misclassified because of masked hypertension (false negative) or ‘white coat’ hypertension (false positive). The incorporation of other diagnostic modalities, such as home blood pressure monitoring (HBPM) and ambulatory blood pressure monitoring (ABPM), holds promise to improve diagnostic accuracy and subsequent treatment decisions.

Materials and methods: We reviewed the literature on the costs and cost-effectiveness of adding HBPM and ABPM to routine blood pressure screening in adults. We excluded letters, editorials, and studies of pregnant and/or pre-eclamptic patients, children, and patients with specific conditions (e.g. diabetes).

Results: We identified 14 original, English language studies that included cost outcomes and compared two or more modalities. ABPM was found to be cost saving for diagnostic confirmation following an elevated CBP in six studies. Three of four studies found that adding HBPM to an elevated CBP was also cost-effective.

Conclusion: Existing evidence supports the cost-effectiveness of incorporating HBPM or ABPM after an initial CBP-based diagnosis of hypertension. Future research should focus on their implementation in clinical practice, long-term economic values, and potential roles in identifying masked hypertension.

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Also Published In

Title
Blood Pressure Monitoring
DOI
https://doi.org/10.1097/MBP.0b013e32835d0fd3

More About This Work

Academic Units
Medicine
Center for Behavioral Cardiovascular Health
Health Policy and Management
Nursing
Publisher
Lippincott Williams & Wilkins
Published Here
July 25, 2016