Disability and 6-year mortality in elderly population. Role of visual impairment

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• 作者：Francesco Cacciatore MD ; PhD (1) (2)
  Pasquale Abete (2)
  Stefania Maggi (3)
  Guido Luchetti (2)
  Claudio Calabrese (1)
  Luisa Viati (2)
  Dario Leosco (2)
  Nicola Ferrara (1) (4)
  Dino Franco Vitale (1)
  Franco Rengo (1) (2)
  
• 关键词：Disability ; elderly ; mortality ; visual impairment
• 刊名：Aging Clinical and Experimental Research
• 出版年：2004
• 出版时间：October 2004
• 年：2004
• 卷：16
• 期：5
• 页码：382-388
• 全文大小：96 KB
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• 作者单位：Francesco Cacciatore MD, PhD (1) (2)
  Pasquale Abete (2)
  Stefania Maggi (3)
  Guido Luchetti (2)
  Claudio Calabrese (1)
  Luisa Viati (2)
  Dario Leosco (2)
  Nicola Ferrara (1) (4)
  Dino Franco Vitale (1)
  Franco Rengo (1) (2)
  
  1. Department of Rehabilitation, Salvatore Maugeri Foundation, Telese/Campoli (Bn), Italy
  2. Chair of Geriatrics, Department of Clinical Medicine, Cardiovascular and Immunological Science, “Federico II-University, Napoli
  3. CNR -Aging Branch -Institute of Neuroscience, Padova
  4. Chair of Internal Medicine, Department of Animal, Vegetal and Environmental Sciences, University of Molise, Italy
  

文摘

Background and aims: We investigated the prevalence of visual impairment (VI), its determinants and its association with Activities of Daily Living (ADL), Instrumental Activities of Daily Living (IADL), Gross Mobility (GM) and 6- year mortality in elderly subjects. A cross-sectional survey in a large population randomly selected in 1992 with a 6-year mortality evaluation in Campania, a region in southern Italy. Methods: A random sample of 1332 elderly subjects aged 65 to 95 years (mean age 74.2±6.4), selected from the electoral rolls, was interviewed by trained physicians. Self-reported visual function, socio-demographic and clinical characteristics were recorded. Disability was assessed by measuring ability in ADL, IADL and GM. Results: VI was found to affect 34% of this population, with an age-related increase of mild and severe VI. VI affects ADL, IADL and GM disability. Age, diabetes and low educational level, but not comorbidity or hypertension, proved to be predictors of VI. Mortality increased with severity of VI in 38.1% of subjects with severe functional impairment (p<0.001). The presence of VI was seen to increase the risk of mortality by 1.40 (95% CI 1.07-.84), independently of age, sex, comorbidity, diabetes, hypertension or disability. Conclusions: This study demonstrates an association between visual impairment and disability in an elderly population, and the predictive effect of visual impairment on mortality independently of comorbidity. These results illustrate the need to eradicate avoidable blindness, in order to improve the quality of life and to prolong survival of the elderly.