Prevalence and vascular risk factors of basal ganglia calcifications in patients at risk for cerebrovascular disease - 21/08/20
, Remko Kockelkoren b, Jill B. De Vis b, Jan Willem Dankbaar b, Birgitta K. Velthuis b, Richard AP Takx b, Annemarieke De Jonghe c, Marielle H. Emmelot-Vonk a, Huiberdina L. Koek a, Pim A. de Jong bDutch acute stroke study investigators (DUST)
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Abstract |
Background and purpose |
Risk factors for and meaning of basal ganglia calcifications outside Fahr syndrome are poorly understood. We aimed to assess the prevalence of basal ganglia calcifications and the association with vascular risk factors.
Materials and methods |
1133 patients suspected of acute ischemic stroke from the Dutch acute stroke (DUST) study who underwent thin-slice unenhanced brain CT were analyzed. Basal ganglia calcifications were scored bilaterally as absent, mild (dot), moderate (multiple dots or single artery) and severe (confluent). Uni- and multivariable logistic regression analysis was used to determine possible risk factors (age, gender, history of stroke, smoking, hypertension, diabetes mellitus, hyperlipidemia, body mass index (BMI), renal function and family history of cardiovascular disease under 60 years) for presence of basal ganglia calcifications and ordinal regression analysis for severity of basal ganglia calcifications.
Results |
Mean age was 67.4 years (SD: 13.8), 56.8% were male. 337 (29.7%) patients had basal ganglia calcifications, of which 196 (58%) were mild, 103 (31%) moderate, 38 (11%) severe. In multivariable logistic regression analysis, age (OR: 1.02, 95% CI 1.01–1.03, P < 0.01) and BMI (OR: 0.95, 95% CI 0.91–0.98, p 0.01) were significantly associated with the presence of basal ganglia calcifications. Ordinal regression analysis gave comparable results. Age (OR: 1.02, 95% CI 1.01–1.03, P < 0.01) and BMI (OR: 0.95, 95% CI 0.92–0.99, P 0.01) were significantly associated with severity of basal ganglia calcifications.
Conclusions |
In this study with patients suspected of acute ischemic stroke, basal ganglia calcifications were common and significantly associated with older age and lower BMI.
Le texte complet de cet article est disponible en PDF.Keywords : Multidetector-row computed tomography, Basal ganglia, Risk factors
Plan
Vol 47 - N° 5
P. 337-342 - septembre 2020 Retour au numéro
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