The unconformity at the base of the Chattanooga shale in Kentucky

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Abstract

Background:

Epidemiologic studies have reported inconsistent findings regarding the association between the use of angiotensin-converting-enzyme (ACE) inhibitors or angiotensin-receptor blockers and the risk of cancer. We performed a meta-analysis of observational studies to assess the association.

Methods:

We searched MEDLINE, EMBASE and the Cochrane Library to identify studies through January 2011. Two evaluators independently reviewed and selected articles of cohort and case–control studies on the basis of predetermined selection criteria.

Results:

Of 3970 screened articles, 12 cohort studies and 16 case–control studies were selected for analysis. We found no significant association between the use of ACE inhibitors or angiotensin-receptor blockers and the overall risk of cancer (relative risk [RR] 0.96, 95% confidence interval [CI] 0.90–1.03). We found a decreased risk of cancer associated with use of either medication when we restricted the analyses to cohort and nested case–control studies (RR 0.90, 95% CI 0.83–0.97) or to studies with long-term follow-up of more than five years (RR 0.89, 95% CI 0.83–0.96). In the subgroup meta-analyses by cancer site, a decreased risk was identified for esophageal cancer, whereas an increased risk was found for melanoma and kidney cancer.

Interpretation:

No significant association was found between the use of ACE inhibitors or angiotensin-receptor blockers and overall risk of cancer. A possible beneficial effect associated with use of either medication was suggested in sensitivity analyses, including those of studies with long-term follow-up. Large randomized controlled trials with long-term follow-up are needed to specifically test the effect of each of these medications on the risk of cancer.
Reference Key
openalex_W2321217254 Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors E. M. Kindle
Journal american journal of science
Year 1912
DOI
10.2475/ajs.s4-33.194.120
URL
https://doi.org/10.2475/ajs.s4-33.194.120
Keywords Keywords not found

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