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Distribution of cerebral microbleeds determines their association with impaired kidney function

 Tae Jin Song  ;  Jinkwon Kim  ;  Hye Sun Lee  ;  Chung Mo Nam  ;  Hyo Suk Nam  ;  Young Dae Kim  ;  Ji Hoe Heo 
 JOURNAL OF CLINICAL NEUROLOGY, Vol.10(3) : 222-228, 2014 
Journal Title
Issue Date
cerebral microbleed ; chronic renal failure ; estimated glomerular filtration rate
BACKGROUND AND PURPOSE: Cerebral microbleeds (CMBs) are associated with various pathologies of the cerebral small vessels according to their distribution (i.e., cerebral amyloid angiopathy or hypertensive angiopathy). We investigated the association between CMB location and kidney function in acute ischemic stroke patients. METHODS: We enrolled 1669 consecutive patients with acute ischemic stroke who underwent gradient-recalled echo brain magnetic resonance imaging. Kidney function was determined using the estimated glomerular filtration rate (eGFR). CMBs were classified into strictly lobar, strictly nonlobar (i.e., only deep or infratentorial), and a combination of both lobar and nonlobar. Multinomial logistic regression analyses were used to determine the factors associated with the existence of CMBs according to their location. RESULTS: The patients were aged 66±12 years (mean±standard deviation), and 61.9% (1033/1669) of them were male. CMBs were found in 27.0% (452/1669) of the patients. The stroke subtypes of small-artery occlusion and cardioembolism occurred more frequently in those with strictly nonlobar CMBs (10.8%) and strictly lobar CMBs (48.8%), respectively. The mean eGFR was lower in the strictly nonlobar CMBs group (72±28 mL/min/1.73 m(2)) and the both lobar and nonlobar CMBs group (72±25 mL/min/1.73 m(2)) than in the no-CMBs group (86±29 mL/min/1.73 m(2)). Multivariate multinomial logistic regression revealed that eGFR <60 mL/min/1.73 m(2) was independently related to strictly nonlobar CMBs (odds ratio=2.63, p=0.001). CONCLUSIONS: Impaired kidney function is associated with strictly nonlobar CMBs. Our findings indicate that the distribution of CMBs should be considered when evaluating their relationships or prognoses.
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1. College of Medicine (의과대학) > Yonsei Biomedical Research Center (연세의생명연구원) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Neurology (신경과학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Preventive Medicine and Public Health (예방의학교실) > 1. Journal Papers
Yonsei Authors
Kim, Young Dae(김영대) ORCID logo https://orcid.org/0000-0001-5750-2616
Nam, Chung Mo(남정모) ORCID logo https://orcid.org/0000-0003-0985-0928
Nam, Hyo Suk(남효석) ORCID logo https://orcid.org/0000-0002-4415-3995
Song, Tae Jin(송태진)
Lee, Hye Sun(이혜선) ORCID logo https://orcid.org/0000-0001-6328-6948
Heo, Ji Hoe(허지회) ORCID logo https://orcid.org/0000-0001-9898-3321
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