Document Detail


Retinal Arteriolar Diameter and the Prevalence and Incidence of Hypertension: A Systematic Review and Meta-analysis of Their Association.
MedLine Citation:
PMID:  22322543     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Hypertension is a leading risk factor for increased mortality and morbidity. One pathogenesis mechanism, increased peripheral vascular resistance, relates to arteriolar diameter. Retinal arterioles, visualized and measured through retinal images, provide an insight into the microvascular structure and hints of peripheral vascular resistance. Multiple studies have demonstrated an inverse association between increasing blood pressure and narrowing retinal arteriolar diameter. This systematic review summarizes the currently available evidence from cross-sectional and longitudinal population-based studies that have investigated this association. A meta-analysis of five cross-sectional studies (19,633 adults) provided an averaged regression coefficient of -3.07 μm (95% CI, -3.73, -2.40) narrowing in retinal arteriolar diameter for every 10 mm Hg increase in mean arterial blood pressure. Four longitudinal studies (6,247 adults) with follow-up periods ranging from 3 to 7 years consistently showed that generalized retinal arteriolar narrowing (defined as the lowest tertile, quartile, or quintile in the population) was associated with an increased risk of incident hypertension (meta-analysis odds ratio 1.91; 95% CI, 1.56-2.34).
Authors:
Sky K H Chew; Jing Xie; Jie Jin Wang
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-2-11
Journal Detail:
Title:  Current hypertension reports     Volume:  -     ISSN:  1534-3111     ISO Abbreviation:  -     Publication Date:  2012 Feb 
Date Detail:
Created Date:  2012-2-10     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  100888982     Medline TA:  Curr Hypertens Rep     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
Centre for Eye Research Australia, Royal Victorian Eye & Ear Hospital, Level 1, 32 Gisborne Street, East Melbourne, VIC, 3002, Australia, sky.chew@mh.org.au.
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