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Open-angle glaucoma and cardiovascular mortality: the Blue Mountains Eye Study.
Ophthalmology 2006; 113(7):1069-76O

Abstract

PURPOSE

To evaluate the association between open-angle glaucoma (termed glaucoma) and 9-year mortality in an older population-based cohort.

DESIGN

Population-based cohort.

PARTICIPANTS

Three thousand six hundred fifty-four persons aged 49 to 97 years (82.4% of the eligible population), residents of the Blue Mountains, west of Sydney, Australia.

METHODS

At baseline (1992-1994), glaucoma was diagnosed from congruous typical glaucomatous visual field changes (full-threshold fields) and optic disc cupping (stereo-optic disc photography). Demographic information from baseline participants was matched with the Australian National Death Index data (December 2001) to obtain the number and causes of deaths. Cox proportional hazards regression analysis, controlling for age, male gender, diabetes, hypertension, heart disease, stroke, use of oral beta-blockers, current smoking history, alcohol use, myopia, and nuclear cataract were performed to assess hazard ratios for cardiovascular mortality. Adjustments for all-cause mortality also included history of cancer.

MAIN OUTCOME MEASURES

Cardiovascular and all-cause mortality.

RESULTS

At baseline, glaucoma was diagnosed in 108 participants (3.0%). Of 873 deaths (23.9%) before January, 2002, 312 people (8.5%) died of cardiovascular events. The age-standardized all-cause mortality was 24.3% in persons with and 23.8% in those without glaucoma, whereas cardiovascular mortality was 14.6% in persons with and 8.4% in those without glaucoma. After multivariate adjustment, those with glaucoma had a nonsignificant increased risk of cardiovascular death (relative risk [RR], 1.46; 95% confidence interval [CI], 0.95-2.23). Increased cardiovascular mortality was observed mainly in glaucoma patients aged <75 years (RR, 2.78; 95% CI, 1.20-6.47). Further stratified analyses showed that cardiovascular mortality was higher among those with previously diagnosed glaucoma (RR, 1.85; 95% CI, 1.12-3.04), particularly in those also treated with topical timolol (RR, 2.14; 95% CI, 1.18-3.89).

CONCLUSIONS

Findings from the Blue Mountains Eye Study demonstrate an increased cardiovascular mortality in persons with previously diagnosed glaucoma. There was a suggestion of higher cardiovascular mortality in glaucoma patients using topical timolol that merits further study.

Authors+Show Affiliations

Department of Ophthalmology, Centre for Vision Research, University of Sydney, Westmead Hospital, Westmead, NSW, Australia.No affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

16815396

Citation

Lee, Anne J., et al. "Open-angle Glaucoma and Cardiovascular Mortality: the Blue Mountains Eye Study." Ophthalmology, vol. 113, no. 7, 2006, pp. 1069-76.
Lee AJ, Wang JJ, Kifley A, et al. Open-angle glaucoma and cardiovascular mortality: the Blue Mountains Eye Study. Ophthalmology. 2006;113(7):1069-76.
Lee, A. J., Wang, J. J., Kifley, A., & Mitchell, P. (2006). Open-angle glaucoma and cardiovascular mortality: the Blue Mountains Eye Study. Ophthalmology, 113(7), pp. 1069-76.
Lee AJ, et al. Open-angle Glaucoma and Cardiovascular Mortality: the Blue Mountains Eye Study. Ophthalmology. 2006;113(7):1069-76. PubMed PMID: 16815396.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Open-angle glaucoma and cardiovascular mortality: the Blue Mountains Eye Study. AU - Lee,Anne J, AU - Wang,Jie Jin, AU - Kifley,Annette, AU - Mitchell,Paul, PY - 2005/02/10/received PY - 2006/02/17/revised PY - 2006/02/21/accepted PY - 2006/7/4/pubmed PY - 2006/7/21/medline PY - 2006/7/4/entrez SP - 1069 EP - 76 JF - Ophthalmology JO - Ophthalmology VL - 113 IS - 7 N2 - PURPOSE: To evaluate the association between open-angle glaucoma (termed glaucoma) and 9-year mortality in an older population-based cohort. DESIGN: Population-based cohort. PARTICIPANTS: Three thousand six hundred fifty-four persons aged 49 to 97 years (82.4% of the eligible population), residents of the Blue Mountains, west of Sydney, Australia. METHODS: At baseline (1992-1994), glaucoma was diagnosed from congruous typical glaucomatous visual field changes (full-threshold fields) and optic disc cupping (stereo-optic disc photography). Demographic information from baseline participants was matched with the Australian National Death Index data (December 2001) to obtain the number and causes of deaths. Cox proportional hazards regression analysis, controlling for age, male gender, diabetes, hypertension, heart disease, stroke, use of oral beta-blockers, current smoking history, alcohol use, myopia, and nuclear cataract were performed to assess hazard ratios for cardiovascular mortality. Adjustments for all-cause mortality also included history of cancer. MAIN OUTCOME MEASURES: Cardiovascular and all-cause mortality. RESULTS: At baseline, glaucoma was diagnosed in 108 participants (3.0%). Of 873 deaths (23.9%) before January, 2002, 312 people (8.5%) died of cardiovascular events. The age-standardized all-cause mortality was 24.3% in persons with and 23.8% in those without glaucoma, whereas cardiovascular mortality was 14.6% in persons with and 8.4% in those without glaucoma. After multivariate adjustment, those with glaucoma had a nonsignificant increased risk of cardiovascular death (relative risk [RR], 1.46; 95% confidence interval [CI], 0.95-2.23). Increased cardiovascular mortality was observed mainly in glaucoma patients aged <75 years (RR, 2.78; 95% CI, 1.20-6.47). Further stratified analyses showed that cardiovascular mortality was higher among those with previously diagnosed glaucoma (RR, 1.85; 95% CI, 1.12-3.04), particularly in those also treated with topical timolol (RR, 2.14; 95% CI, 1.18-3.89). CONCLUSIONS: Findings from the Blue Mountains Eye Study demonstrate an increased cardiovascular mortality in persons with previously diagnosed glaucoma. There was a suggestion of higher cardiovascular mortality in glaucoma patients using topical timolol that merits further study. SN - 1549-4713 UR - https://www.unboundmedicine.com/medline/citation/16815396/Open_angle_glaucoma_and_cardiovascular_mortality:_the_Blue_Mountains_Eye_Study_ L2 - https://linkinghub.elsevier.com/retrieve/pii/S0161-6420(06)00456-8 DB - PRIME DP - Unbound Medicine ER -