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Increased prevalence of cerebral microbleeds in patients with low left ventricular systolic function

  • Tomohiko Watanabe
  • Yumiko KanzakiEmail author
  • Yohei Yamauchi
  • Takahide Ito
  • Yusuke Nishida
  • Kenichiro Yamamura
  • Tsuyoshi Komori
  • Koichi Sohmiya
  • Masaaki Hoshiga
Original Article
  • 61 Downloads

Abstract

Gradient-echo T2-star (T2*)-weighted magnetic resonance imaging (MRI) is a sensitive method to detect cerebral microbleeds (CMBs). The presence of CMBs was reported to be a marker of future cardiovascular mortality and is associated with various cardiovascular risk factors, use of antithrombotic drugs, and cognitive dysfunction. However, the relationship between cardiac function and CMBs remains unclear. We investigated the association between cardiac function and presence of CMBs in patients with cardiovascular diseases. This single-center retrospective study included a total of 424 participants (mean age 70 ± 12 years; men 286 (67%); mean left ventricular ejection fraction (LVEF) 61% ± 12%] who underwent echocardiography and brain T2*-weighted MRI within 1 month without neurologic abnormality. CMBs were found in 118 (28%) patients. There was no significant relationship between CMBs and anticoagulant or antiplatelet therapy. LVEF was significantly lower in patients with CMBs than in those without CMBs (59% ± 13% vs. 62% ± 11%, P < 0.05). On multivariate logistic analysis, lower LVEF [odds ratio (OR) 0.98, 95% confidence interval (CI) 0.96–1.00; P < 0.05] and age (OR 1.02, 95% CI 1.00–1.05; P < 0.05) were significantly associated with CMBs. The presence of CMBs was frequently observed in the patients with cardiovascular disease and was significantly associated with age and LVEF.

Keywords

Brain microbleeds Cardiovascular disease Cardiac function MRI 

Abbreviations

CMBs

Cerebral microbleeds

MRI

Magnetic resonance imaging

LV

Left ventricular

LVDd

LV end-diastolic dimension

IVST

Interventricular septal thickness

PWT

Posterior wall thickness

LVEF

Left ventricular ejection fraction

LVMI

Left ventricular mass index

eGFR

Estimated glomerular filtration rate

CAD

Coronary artery disease

BMI

Body mass index

Notes

Acknowledgements

We are gratefully thankful for the technical assistance of the staff (Mr. Yoichi Matsumoto and Ms. Erina Okada) in our MRI department, the secretary assistance of Ms. Megumi Hashimoto, Ms. Hitomi Iwai, and Ms. Yuko Takenaka and the advice of Dr. Naomi Toratani and Dr. Nobukazu Ishizaka.

Funding

None.

Compliance with ethical standards

Conflict of interest

The authors declare that they have no competing interests.

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Copyright information

© Springer Japan KK, part of Springer Nature 2019

Authors and Affiliations

  1. 1.Department of CardiologyOsaka Medical CollegeTakatsukiJapan
  2. 2.Department of RadiologyOsaka Medical CollegeTakatsukiJapan

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