Cardiac ventricular dimensions predict cognitive decline and cerebral blood flow abnormalities in aging men

BMC Geriatrics

Sölve Elmståhl²  Arkadiusz Siennicki-Lantz²  Per Wollmer¹  Linda Furuäng² 

[1] Division of Clinical Physiology, Department of Clinical Sciences, Lund University, Skåne University Hospital, Malmö, Sweden;Division of Geriatric Medicine, Department of Health Sciences, Lund University, Skåne University Hospital, Jan Waldenströms gata 35, Malmö SE-205 02, Sweden

关键词: Left ventricular dimension;    Hypertension;    Cognition;    Cohort study;    Cerebrovascular circulation;    Aging;   

Others  :  857700
DOI  :  10.1186/1471-2318-13-45

 received in 2012-10-01, accepted in 2013-04-26,  发布年份 2013

【 摘 要 】

Background

The aims of this study are to examine possible associations between left cardiac ventricular measures in sixth decade and cognitive performance, both cross sectionally and longitudinally, and to examine if left cardiac ventricular measures could predict future changes in cerebral blood flow (CBF).

Methods

211 elderly men from a cohort of the population study “Men born in 1914” completed M-mode echocardiography and a cognitive test battery at age 68. The cognitive test battery was repeated at age 81. CBF was estimated with ^99mTc-HMPAO SPECT in 72 survivors at age 83. Cognitive performance at baseline and at 1^st follow up and CBF at 1^st follow up were analysed in relation to left ventricular internal dimension in diastole (LVIDd mm/m²) and fractional shortening (FS).

Results

Subjects with enlarged LVIDd at age 68 had poorer results on verbal and speed-performance tests at baseline and on verbal and visuo-spatial tests 14 years later on. Low FS was associated with decreased results on visuo-spatial tests at baseline. There was an inverse relationship between LVIDd and both verbal and spatial ability at the baseline and after 14 years of follow-up. Normotensive men with lower FS had also decreased CBF in a majority of brain areas 14 years later.

Conclusions

Mild echocardiographic abnormalities in 68 ys.-old men, as increased LVIDd and lower FS, are associated with lower cognitive test results and may predict cognitive decline and silent cerebral perfusion abnormalities 14 years later.

【 授权许可】

   
2013 Furuäng et al.; licensee BioMed Central Ltd.

【 图 表 】

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