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Prognostic Implications of Microvascular and Macrovascular Abnormalities in Older Adults: Cardiovascular Health Study

Identifieur interne : 001937 ( Main/Exploration ); précédent : 001936; suivant : 001938

Prognostic Implications of Microvascular and Macrovascular Abnormalities in Older Adults: Cardiovascular Health Study

Auteurs : Dae Hyun Kim ; Francine Grodstein ; Anne B. Newman ; Paulo H. M. Chaves ; Michelle C. Odden ; Ronald Klein ; Mark J. Sarnak ; Kushang V. Patel ; Lewis A. Lipsitz

Source :

RBID : PMC:4271022

Descripteurs français

English descriptors

Abstract

Background.

Microvascular and macrovascular abnormalities are frequently found on noninvasive tests performed in older adults. Their prognostic implications on disability and life expectancy have not been collectively assessed.

Methods.

This prospective study included 2,452 adults (mean age: 79.5 years) with available measures of microvascular (brain, retina, kidney) and macrovascular abnormalities (brain, carotid, coronary, peripheral artery) in the Cardiovascular Health Study. The burden of microvascular and macrovascular abnormalities was examined in relation to total, activity-of-daily-living disability-free, and severe disability-free life expectancies in the next 10 years (1999–2009).

Results.

At 75 years, individuals with low burden of both abnormalities lived, on average, 8.71 years (95% confidence interval: 8.29, 9.12) of which 7.67 years (7.16, 8.17) were without disability. In comparison, individuals with high burden of both abnormalities had shortest total life expectancy (6.95 years [6.52, 7.37]; p < .001) and disability-free life expectancy (5.60 years [5.10, 6.11]; p < .001). Although total life expectancy was similarly reduced for those with high burden of either type of abnormalities (microvascular: 7.96 years [7.50, 8.42] vs macrovascular: 8.25 years [7.80, 8.70]; p = .10), microvascular abnormalities seemed to have larger impact than macrovascular abnormalities on disability-free life expectancy (6.45 years [5.90, 6.99] vs 6.96 years [6.43, 7.48]; p = .016). These results were consistent for severe disability-free life expectancy and in individuals without clinical cardiovascular disease.

Conclusions.

Considering both microvascular and macrovascular abnormalities from multiple noninvasive tests may provide additional prognostic information on how older adults spend their remaining life. Optimal clinical use of this information remains to be determined.


Url:
DOI: 10.1093/gerona/glu074
PubMed: 24864308
PubMed Central: 4271022


Affiliations:


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<term>Ankle Brachial Index</term>
<term>Disability Evaluation</term>
<term>Electrocardiography</term>
<term>Female</term>
<term>Follow-Up Studies</term>
<term>Forecasting</term>
<term>Humans</term>
<term>Life Expectancy (trends)</term>
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<term>Male</term>
<term>Microcirculation</term>
<term>Prognosis</term>
<term>Prospective Studies</term>
<term>Risk Factors</term>
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<term>Espérance de vie (tendances)</term>
<term>Facteurs de risque</term>
<term>Femelle</term>
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<term>Imagerie par résonance magnétique</term>
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<term>Microcirculation</term>
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<term>Pronostic</term>
<term>Prévision</term>
<term>Sujet âgé</term>
<term>Sujet âgé de 80 ans ou plus</term>
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<term>Électrocardiographie</term>
<term>Études de suivi</term>
<term>Études prospectives</term>
<term>Évaluation de l'incapacité</term>
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<term>Anomalies vasculaires</term>
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<term>Vascular Malformations</term>
</keywords>
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<term>Vascular Malformations</term>
</keywords>
<keywords scheme="MESH" qualifier="rééducation et réadaptation" xml:lang="fr">
<term>Anomalies vasculaires</term>
</keywords>
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<term>Espérance de vie</term>
</keywords>
<keywords scheme="MESH" qualifier="trends" xml:lang="en">
<term>Life Expectancy</term>
</keywords>
<keywords scheme="MESH" xml:lang="en">
<term>Aged</term>
<term>Aged, 80 and over</term>
<term>Aging</term>
<term>Ankle Brachial Index</term>
<term>Disability Evaluation</term>
<term>Electrocardiography</term>
<term>Female</term>
<term>Follow-Up Studies</term>
<term>Forecasting</term>
<term>Humans</term>
<term>Magnetic Resonance Imaging</term>
<term>Male</term>
<term>Microcirculation</term>
<term>Prognosis</term>
<term>Prospective Studies</term>
<term>Risk Factors</term>
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<term>Femelle</term>
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<term>Imagerie par résonance magnétique</term>
<term>Index de pression systolique cheville-bras</term>
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<sec>
<title>Background.</title>
<p>Microvascular and macrovascular abnormalities are frequently found on noninvasive tests performed in older adults. Their prognostic implications on disability and life expectancy have not been collectively assessed.</p>
</sec>
<sec>
<title>Methods.</title>
<p>This prospective study included 2,452 adults (mean age: 79.5 years) with available measures of microvascular (brain, retina, kidney) and macrovascular abnormalities (brain, carotid, coronary, peripheral artery) in the Cardiovascular Health Study. The burden of microvascular and macrovascular abnormalities was examined in relation to total, activity-of-daily-living disability-free, and severe disability-free life expectancies in the next 10 years (1999–2009).</p>
</sec>
<sec>
<title>Results.</title>
<p>At 75 years, individuals with low burden of both abnormalities lived, on average, 8.71 years (95% confidence interval: 8.29, 9.12) of which 7.67 years (7.16, 8.17) were without disability. In comparison, individuals with high burden of both abnormalities had shortest total life expectancy (6.95 years [6.52, 7.37];
<italic>p</italic>
< .001) and disability-free life expectancy (5.60 years [5.10, 6.11];
<italic>p</italic>
< .001). Although total life expectancy was similarly reduced for those with high burden of either type of abnormalities (microvascular: 7.96 years [7.50, 8.42] vs macrovascular: 8.25 years [7.80, 8.70];
<italic>p</italic>
= .10), microvascular abnormalities seemed to have larger impact than macrovascular abnormalities on disability-free life expectancy (6.45 years [5.90, 6.99] vs 6.96 years [6.43, 7.48];
<italic>p</italic>
= .016). These results were consistent for severe disability-free life expectancy and in individuals without clinical cardiovascular disease.</p>
</sec>
<sec>
<title>Conclusions.</title>
<p>Considering both microvascular and macrovascular abnormalities from multiple noninvasive tests may provide additional prognostic information on how older adults spend their remaining life. Optimal clinical use of this information remains to be determined.</p>
</sec>
</div>
</front>
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<name sortKey="Chaves, Paulo H M" sort="Chaves, Paulo H M" uniqKey="Chaves P" first="Paulo H. M." last="Chaves">Paulo H. M. Chaves</name>
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<name sortKey="Kim, Dae Hyun" sort="Kim, Dae Hyun" uniqKey="Kim D" first="Dae Hyun" last="Kim">Dae Hyun Kim</name>
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<name sortKey="Lipsitz, Lewis A" sort="Lipsitz, Lewis A" uniqKey="Lipsitz L" first="Lewis A." last="Lipsitz">Lewis A. Lipsitz</name>
<name sortKey="Newman, Anne B" sort="Newman, Anne B" uniqKey="Newman A" first="Anne B." last="Newman">Anne B. Newman</name>
<name sortKey="Odden, Michelle C" sort="Odden, Michelle C" uniqKey="Odden M" first="Michelle C." last="Odden">Michelle C. Odden</name>
<name sortKey="Patel, Kushang V" sort="Patel, Kushang V" uniqKey="Patel K" first="Kushang V." last="Patel">Kushang V. Patel</name>
<name sortKey="Sarnak, Mark J" sort="Sarnak, Mark J" uniqKey="Sarnak M" first="Mark J." last="Sarnak">Mark J. Sarnak</name>
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