Volume 21, Issue 1 pp. 65-71
Original Article

Influence of vascular risk factors and neuropsychological profile on functional performances in CADASIL: results from the MIcrovascular LEukoencephalopathy Study (MILES)

L. Ciolli

L. Ciolli

NEUROFARBA Department, Neuroscience section, University of Florence, Florence, Italy

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F. Pescini

F. Pescini

NEUROFARBA Department, Neuroscience section, University of Florence, Florence, Italy

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E. Salvadori

E. Salvadori

NEUROFARBA Department, Neuroscience section, University of Florence, Florence, Italy

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A. Del Bene

A. Del Bene

NEUROFARBA Department, Neuroscience section, University of Florence, Florence, Italy

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G. Pracucci

G. Pracucci

NEUROFARBA Department, Neuroscience section, University of Florence, Florence, Italy

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A. Poggesi

A. Poggesi

NEUROFARBA Department, Neuroscience section, University of Florence, Florence, Italy

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S. Nannucci

S. Nannucci

NEUROFARBA Department, Neuroscience section, University of Florence, Florence, Italy

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R. Valenti

R. Valenti

NEUROFARBA Department, Neuroscience section, University of Florence, Florence, Italy

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A. M. Basile

A. M. Basile

Department of Neurosciences, University of Padua, Padua, Italy

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F. Squarzanti

F. Squarzanti

Department of Neurosciences, University of Padua, Padua, Italy

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S. Bianchi

S. Bianchi

Department of Medical, Surgical and Neurological Sciences, University of Siena, Siena, Italy

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M. T. Dotti

M. T. Dotti

Department of Medical, Surgical and Neurological Sciences, University of Siena, Siena, Italy

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E. Adriano

E. Adriano

Department of Neurological Sciences, Ophthalmology and Genetics, University of Genoa, Genoa, Italy

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M. Balestrino

M. Balestrino

Department of Neurological Sciences, Ophthalmology and Genetics, University of Genoa, Genoa, Italy

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A. Federico

A. Federico

Department of Medical, Surgical and Neurological Sciences, University of Siena, Siena, Italy

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C. Gandolfo

C. Gandolfo

Department of Neurological Sciences, Ophthalmology and Genetics, University of Genoa, Genoa, Italy

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D. Inzitari

D. Inzitari

NEUROFARBA Department, Neuroscience section, University of Florence, Florence, Italy

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L. Pantoni

Corresponding Author

L. Pantoni

NEUROFARBA Department, Neuroscience section, University of Florence, Florence, Italy

Correspondence: L. Pantoni, NEUROFARBA Department, Neuroscience section, University of Florence, Largo Brambilla 3, 50134 Firenze, Italy (tel.: +39 055 7945519; fax: +39 055 4298461; e-mail: [email protected]).Search for more papers by this author
First published: 19 July 2013
Citations: 19

Abstract

Background and purpose

Cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy (CADASIL) is an inherited cerebral small vessel disease that may lead to disability and whose phenotype modulators are still unknown.

Methods

In the MIcrovascular LEukoencephalopathy Study (MILES), we assessed the influence of vascular risk factors and the effect of different cognitive domains (memory, psychomotor speed and executive functions) performances on functional abilities in CADASIL in comparison with age-related leukoencephalopathy (ARL).

Results

We evaluated 51 CADASIL patients (mean age 50.3 ± 13.8 years, 47.1% males) and 68 ARL patients (70.6 ± 7.4 years, 58.8% males). Considering vascular risk factors, after adjustment for age, CADASIL patients had higher mean BMI values than ARL patients. Stroke history frequency was similar in the two groups. After adjustment for age, more CADASIL patients were disabled (impaired on ≥2 items of the Instrumental Activities of Daily Living scale) in comparison with ARL patients, and CADASIL patients had worse functional performances evaluated with the Disability Assessment for Dementia (DAD) scale. In CADASIL patients, hypertension was related to both DAD score and disability. The cognitive profile of CADASIL and ARL patients was similar, but on a stepwise linear regression analysis functional performances were mainly associated with the memory index (β = −0.418, P < 0.003) in CADASIL patients and the executive function index (β = −0.321, P = 0.028) in ARL.

Conclusions

This study suggests that hypertension may contribute to functional impairment in CADASIL and that memory impairment has a large influence on functional decline in contrast with that observed in a sample of subjects with ARL.

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