jueves, 23 de octubre de 2014

AAO: Mortality after cataract surgery in the U.S. Medicare population

AAO: Mortality after cataract surgery in the U.S. Medicare population

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AAO: Mortality after cataract surgery in the U.S. Medicare population

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as presented at the annual meeting of the American Academy of Ophthalmology
In cataract patients who are being treated within the U.S. Medicare system, cataract surgery is associated with reduced two-year mortality, especially in patients who are older or with severe cataracts. Those were the conclusions of a study presented at AAO, held in October in Chicago. 
Researchers at Brown University in Providence, Rhode Island, and other institutions, used a 5% random sample of 2011 Medicare files to identify cataract patients and their demographics, systemic and ocular comorbidities, and cataract severities. Odds ratios (ORs) of two-year mortality were calculated for cataract patients with and without surgery, adjusting for all covariates. 
The investigators found that of 328,422 cataract patients, 14,616 (4.5%) died within two years. Adjusted ORs of cataract surgery on mortality were 0.94 for all patients, 0.79 for patients >/=80 years old, and 0.85 for patients with severe cataract.

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