Coronary microvascular function is impaired in patients with cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy.
CADASIL
coronary microvascular dysfunction
positron emission tomography
Journal
European journal of neurology
ISSN: 1468-1331
Titre abrégé: Eur J Neurol
Pays: England
ID NLM: 9506311
Informations de publication
Date de publication:
11 2021
11 2021
Historique:
revised:
07
12
2020
received:
30
10
2020
accepted:
08
12
2020
pubmed:
15
12
2020
medline:
27
10
2021
entrez:
14
12
2020
Statut:
ppublish
Résumé
Cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy (CADASIL) is a rare inherited disease caused by NOTCH3 gene mutations. Although the main clinical features reflect brain injury, CADASIL is a systemic microangiopathy, and cardiac involvement has been observed but not systematically assessed. We aimed to study the prevalence and severity of coronary microvascular dysfunction (CMD) in CADASIL patients. Seventeen patients with genetically confirmed CADASIL, aged <60 years (mean age 40 ± 9 years), with ≤1 cardiovascular risk factor underwent neurological and neuropsychological evaluation, 3T brain magnetic resonance imaging (MRI), 12-lead electrocardiography (ECG), standard echocardiography, and measurement of myocardial blood flow at rest (resting MBF) and of maximal myocardial blood flow following Regadenoson infusion (Reg-MBF) by Twelve patients (71%) presented migraine, none (53%) had psychiatric disturbances, and one (6%) had a previous stroke. None had cognitive impairment or ECG or echocardiography abnormalities. Both Reg-MBF and CFR were blunted in CADASIL patients compared with controls (Reg-MBF 2.46 ± 0.54 vs. 3.09 ± 0.44 ml/g/min, respectively; p < 0.01; CFR 2.74 ± 0.36 vs. 3.28 ± 0.66, respectively, p < 0.01). No correlations were found between Reg-MBF values and neuropsychological performance or cerebral lesion burden on MRI. CADASIL patients exhibit blunted CFR due to CMD, which can be severe and is independent of the severity of brain lesion load and cognitive performances. CADASIL is a systemic microcirculation disease, and active surveillance of cardiac symptoms should be considered in these patients.
Sections du résumé
BACKGROUND AND PURPOSE
Cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy (CADASIL) is a rare inherited disease caused by NOTCH3 gene mutations. Although the main clinical features reflect brain injury, CADASIL is a systemic microangiopathy, and cardiac involvement has been observed but not systematically assessed. We aimed to study the prevalence and severity of coronary microvascular dysfunction (CMD) in CADASIL patients.
METHODS
Seventeen patients with genetically confirmed CADASIL, aged <60 years (mean age 40 ± 9 years), with ≤1 cardiovascular risk factor underwent neurological and neuropsychological evaluation, 3T brain magnetic resonance imaging (MRI), 12-lead electrocardiography (ECG), standard echocardiography, and measurement of myocardial blood flow at rest (resting MBF) and of maximal myocardial blood flow following Regadenoson infusion (Reg-MBF) by
RESULTS
Twelve patients (71%) presented migraine, none (53%) had psychiatric disturbances, and one (6%) had a previous stroke. None had cognitive impairment or ECG or echocardiography abnormalities. Both Reg-MBF and CFR were blunted in CADASIL patients compared with controls (Reg-MBF 2.46 ± 0.54 vs. 3.09 ± 0.44 ml/g/min, respectively; p < 0.01; CFR 2.74 ± 0.36 vs. 3.28 ± 0.66, respectively, p < 0.01). No correlations were found between Reg-MBF values and neuropsychological performance or cerebral lesion burden on MRI.
CONCLUSIONS
CADASIL patients exhibit blunted CFR due to CMD, which can be severe and is independent of the severity of brain lesion load and cognitive performances. CADASIL is a systemic microcirculation disease, and active surveillance of cardiac symptoms should be considered in these patients.
Substances chimiques
Receptor, Notch3
0
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
3809-3813Informations de copyright
© 2020 European Academy of Neurology.
Références
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