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Years of optimum health lost due to complications after acute ischemic stroke: disability-adjusted life-years analysis.


ABSTRACT: Complications after stroke increase disability or death. The disability-adjusted life-year (DALY) metric, developed by the World Health Organization to measure the global burden of disease, integrates both mortality and disability. Widely used in population-level data analyses, it has not been applied to individual patient-level data captured in outcome registries.We analyzed patient-level data from the outcome registry of 1254 consecutive patients with acute ischemic stroke enrolled between September 1, 2004, and August 31, 2005, in South Korea. For each subject, we calculated DALY lost due to the qualifying stroke and then analyzed additional DALY lost due to complications after stroke.For 1233 patients with available 3-month outcomes, the average DALY lost due to the index stroke was 3.82 (95% CI, 3.68 to 3.96). Any complications, neurological complications, and medical complications occurred in 34.0%, 20.8%, and 24.0%, respectively. The additional DALYs lost associated with any, neurological, and medical complications were 2.11 (95% CI, 1.78 to 2.44), 2.15 (95% CI, 1.72 to 2.59), and 1.99 (95% CI, 1.59 to 2.40), respectively. Patients with 1 complication had 1.52 (95% CI, 1.15 to 1.89) additional DALY lost, and those with >or=2 complications had 2.69 (95% CI, 2.18 to 3.20) additional DALY lost.Early poststroke complications deprive patients of approximately 2 years of optimum health. Greater numbers of complications are associated with greater loss of healthy life-years. DALY analysis quantifies the burden of poststroke complications with a uniform metric potentially useful for health system planners.

SUBMITTER: Hong KS 

PROVIDER: S-EPMC2937160 | biostudies-literature | 2010 Aug

REPOSITORIES: biostudies-literature

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Years of optimum health lost due to complications after acute ischemic stroke: disability-adjusted life-years analysis.

Hong Keun-Sik KS   Saver Jeffrey L JL   Kang Dong-Wha DW   Bae Hee-Joon HJ   Yu Kyung-Ho KH   Koo Jaseong J   Han Moon-Ku MK   Cho Yong-Jin YJ   Park Jong-Moo JM   Lee Byung-Chul BC  

Stroke 20100701 8


<h4>Background and purpose</h4>Complications after stroke increase disability or death. The disability-adjusted life-year (DALY) metric, developed by the World Health Organization to measure the global burden of disease, integrates both mortality and disability. Widely used in population-level data analyses, it has not been applied to individual patient-level data captured in outcome registries.<h4>Methods</h4>We analyzed patient-level data from the outcome registry of 1254 consecutive patients  ...[more]

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