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Can J Cardiol. 2010 May;26(5):e158-63.

Identification of factors driving differences in cost effectiveness of first-line pharmacological therapy for uncomplicated hypertension.

Author information

  • 1Department of Medicine, University of Alberta, Edmonton, Alberta. swk@ualberta.ca

Abstract

BACKGROUND:

Published practice guidelines and economic evaluations have come to different conclusions regarding optimal pharmacotherapy for the treatment of uncomplicated hypertension. The drivers of these disparities are not clear. Greater understanding is needed for clinicians, researchers and policy makers to determine the most effective and sustainable strategies.

OBJECTIVES:

To identify how cost and cost-effectiveness considerations are used to generate recommendations by major hypertension guidelines, and determine key drivers of cost-effectiveness conclusions in available economic evaluations.

METHODS:

A systematic search and narrative review of major hypertension guidelines and health technology assessments of first-line antihypertensive therapy were performed.

RESULTS:

Of the eight guidelines identified, formal cost-effectiveness analysis was rarely integrated in the formulation of recommendations. When guidelines considered costs, recommendations remained incongruent. Two economic evaluations were identified (United Kingdom and Canada); however, these differed in their conclusion of the most cost-effective agent and attractiveness of calcium channel blockers. Review of these economic evaluations suggests that cost-effectiveness conclusions are strongly influenced by relative costs of drug classes; when relative differences in drug costs are lower, the impact on associated conditions such as heart failure and diabetes influences cost-effectiveness conclusions.

CONCLUSION:

In the setting of finite health care resources and significant budget impact due to high population prevalence, cost effectiveness is an important consideration in the treatment of uncomplicated hypertension. Identification of key drivers of cost effectiveness will assist interpretation and conduct of current and future economic evaluations.

PMID:
20485695
[PubMed - indexed for MEDLINE]
PMCID:
PMC2886561
Free PMC Article
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