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Editor's Correspondence
Health Care Reform
March 14, 2011

Considering Selection Bias When Developing a Search Strategy

Author Affiliations
 

Copyright 2011 American Medical Association. All Rights Reserved. Applicable FARS/DFARS Restrictions Apply to Government Use.2011

Arch Intern Med. 2011;171(5):471-472. doi:10.1001/archinternmed.2011.45

We read with great interest the article by Sciarretta et al1 on antihypertensive treatment and development of heart failure in hypertension. They performed the largest network meta-analysis in essential hypertension, to our knowledge, and showed that the use of diuretics and renin-angiotensin system inhibitors are the most effective first-line antihypertensive drug for preventing heart failure. In this meta-analysis, however, the search strategy and study selection are somewhat unclear.

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