The association of renal impairment with different patterns of intracranial arterial calcification: Intimal and medial calcification

Increasing knowledge about calcification together with improved imaging techniques provided evidence that intracranial arterial calcification (IAC) can be divided into two distinct entities: intimal and medial calcification. The purpose of this study was to investigate the association between kidney...

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Published in:Atherosclerosis 2022-12, Vol.363, p.42-47
Main Authors: Li, Xuelong, Du, Heng, Yang, Wenjie, Chen, Junru, Li, Xianliang, Chen, Xiangyan
Format: Article
Language:English
Subjects:
Arteriosclerosis
Glomerular Filtration Rate
Humans
Intimal calcification
Intracranial artery calcification
Kidney function
Medial calcification
Renal impairment
Renal Insufficiency
Risk Factors
Tunica Intima - pathology
Vascular Calcification - diagnostic imaging
Vascular Calcification - epidemiology
Vascular Calcification - pathology
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Summary:Increasing knowledge about calcification together with improved imaging techniques provided evidence that intracranial arterial calcification (IAC) can be divided into two distinct entities: intimal and medial calcification. The purpose of this study was to investigate the association between kidney function and the two patterns of IAC, which could clarify the underlying mechanisms of intimal or medial calcification and its clinical consequence. A total of 516 participants were enrolled in this study. Kidney function was assessed using the estimated glomerular filtration rate (eGFR) based on modified glomerular filtration rate estimating equation. The degree of IAC measured by IAC scores was evaluated on non-contrast head computed tomography (CT) images and IAC was classified as intimal or medial calcification. Associations of kidney function with IAC scores and patterns were assessed sing multivariate logistic regression analysis. In 440 patients (85.27%) with IAC, 189 (42.95%) had predominant intimal calcifications and 251 (57.05%) had predominant medial calcifications. Multivariate analysis revealed that lower eGFR level (eGFR
ISSN:0021-9150
1879-1484
DOI:10.1016/j.atherosclerosis.2022.11.012