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Retinal Vascular Occlusion Risks in High Blood Pressure and the Benefits of Blood Pressure Control

 Hae Rang Kim  ;  Nang Kyeong Lee  ;  Christopher Seungkyu Lee  ;  Suk Ho Byeon  ;  Sung Soo Kim  ;  Seung Won Lee  ;  Yong Joon Kim 
 AMERICAN JOURNAL OF OPHTHALMOLOGY, Vol.250 : 111-119, 2023-06 
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PURPOSE: This study aimed to evaluate the association of retinal vascular occlusion, including retinal vein occlusion (RVO) and retinal artery occlusion (RAO), with stages of hypertension. DESIGN: Nationwide, population-based retrospective cohort study.

METHODS: Based on baseline blood pressure (BP) as defined by the 2017 American College of Cardiology/American Heart Association guideline, participants were categorized into 4 BP groups. For the BP change measurement, BP groups were defined based on the combination of baseline and follow-up BP categories. The composite retinal vascular occlusion events and hazard ratios (HRs) of retinal vascular occlusion according to BP groups were estimated.

RESULTS: With normal BP as the reference, multivariate-adjusted HRs for retinal vascular occlusion were significantly higher than in other BP groups, showing much higher HRs in stage 2 hypertension than in stage 1 (HR, 1.10 for elevated BP; 1.07 for stage 1 hypertension; and 1.32 for stage 2 hypertension). Individual disease analysis showed consistent statistical significance in RVO, whereas RAO showed nonsignificant results. Lowering BP significantly decreased the HRs of retinal vascular occlusion in both stage 1 and stage 2 hypertension (HR, 0.88 and 0.73, respectively). However, once hypertension was diagnosed, the risk of retinal vascular occlusion was higher compared to that in the normal BP groups.

CONCLUSIONS: Elevated BP, stage 1 hypertension, and stage 2 hypertension were all associated with higher retinal vascular occlusion risks than was normal BP. Controlling hypertension appears to reduce the risk of subsequent retinal vascular occlusion; however, the incidence rate was still be significantly higher than that in persons who maintained a normal BP. © 2023 Elsevier Inc.
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1. College of Medicine (의과대학) > Dept. of Ophthalmology (안과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Sung Soo(김성수) ORCID logo https://orcid.org/0000-0002-0574-7993
Kim, Yong Joon(김용준)
Byeon, Suk Ho(변석호) ORCID logo https://orcid.org/0000-0001-8101-0830
Lee, Christopher Seungkyu(이승규) ORCID logo https://orcid.org/0000-0001-5054-9470
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