Song Yang1, Jing Cai2, Rulan Lu3, Jian Wu1, Min Zhang3, Xianju Zhou4. 1. Department of Neurology, The First People's Hospital of Changzhou, Third Affiliated Hospital of Soochow University, Changzhou 213003, China. 2. Department of Neuroscience, The First People's Hospital of Changzhou, Third Affiliated Hospital of Soochow University, Changzhou 213003, China. 3. Department of Neurology, Laboratory of Neurological Diseases, Changzhou No. 2 People's Hospital, The Affiliated Hospital of Nanjing Medical University, Changzhou, Jiangsu Province 213003, China. 4. Department of Neurology, Laboratory of Neurological Diseases, Changzhou No. 2 People's Hospital, The Affiliated Hospital of Nanjing Medical University, Changzhou, Jiangsu Province 213003, China. Electronic address: xianju_zhou@yahoo.com.
Abstract
OBJECTIVE: Chronic kidney disease (CKD) is associated with cerebral small vessel disease (cSVD). However, the relationship between serum cystatin C (CysC) level, a highly sensitive marker of impaired kidney function, and cSVD has not been fully understood. This study aimed to investigate the association between serum CysC level and total burden of cSVD on magnetic resonance imaging (MRI) in patients with acute lacunar stroke. MATERIALS AND METHODS: A total of 210 patients with first-ever acute lacunar stroke occurring within 1 week after onset were included in this study. Serum CysC level, decreased estimated glomerular filtration rate (eGFR), and proteinuria were used to evaluate kidney function. The combined effect of the markers of cSVD on MRI, including lacunar, white matter lesions, cerebral microbleeds, and enlarged perivascular spaces, were used to evaluate the comprehensive cSVD burden. RESULTS: There is a positive association between total cSVD burden and hypertension, low eGFR level, and serum CysC level. After adjustments for potential confounders by ordinal logistic regression, elevated levels of CysC as well as impaired eGFR and the presence of proteinuria were correlated with the burden of total cSVD (odds ratio [OR] 2.633, 95% confidence interval [CI] 1.284-5.403; OR 2.442, 95% CI 1.213-4.918; and OR 2.151, 95% CI 1.162-3.983, respectively). CONCLUSIONS: The elevated level of serum CysC is associated with the total burden of cSVD in patients with acute lacunar stroke independent of conventional risk factors.
OBJECTIVE:Chronic kidney disease (CKD) is associated with cerebral small vessel disease (cSVD). However, the relationship between serum cystatin C (CysC) level, a highly sensitive marker of impaired kidney function, and cSVD has not been fully understood. This study aimed to investigate the association between serum CysC level and total burden of cSVD on magnetic resonance imaging (MRI) in patients with acute lacunar stroke. MATERIALS AND METHODS: A total of 210 patients with first-ever acute lacunar stroke occurring within 1 week after onset were included in this study. Serum CysC level, decreased estimated glomerular filtration rate (eGFR), and proteinuria were used to evaluate kidney function. The combined effect of the markers of cSVD on MRI, including lacunar, white matter lesions, cerebral microbleeds, and enlarged perivascular spaces, were used to evaluate the comprehensive cSVD burden. RESULTS: There is a positive association between total cSVD burden and hypertension, low eGFR level, and serum CysC level. After adjustments for potential confounders by ordinal logistic regression, elevated levels of CysC as well as impaired eGFR and the presence of proteinuria were correlated with the burden of total cSVD (odds ratio [OR] 2.633, 95% confidence interval [CI] 1.284-5.403; OR 2.442, 95% CI 1.213-4.918; and OR 2.151, 95% CI 1.162-3.983, respectively). CONCLUSIONS: The elevated level of serum CysC is associated with the total burden of cSVD in patients with acute lacunar stroke independent of conventional risk factors.
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