Journal of Cardiovascular Imaging

Korean Society of Echocardiography (한국심초음파학회)
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SUBCLINICAL MYOCARDIAL DYSFUNCTION IN METABOLIC SYNDROME PATIENTS WITHOUT HYPERTENSION

  • Seo, Jeong-Min (Department of Cardiology, Dong-A University College of Medicine) ;
  • Park, Tae-Ho (Department of Cardiology, Dong-A University College of Medicine) ;
  • Lee, Dong-Yeol (Department of Cardiology, Dong-A University College of Medicine) ;
  • Cho, Young-Rak (Department of Cardiology, Dong-A University College of Medicine) ;
  • Baek, Hee-Kyung (Department of Cardiology, Dong-A University College of Medicine) ;
  • Park, Jong-Seong (Department of Cardiology, Dong-A University College of Medicine) ;
  • Kim, Moo-Hyun (Department of Cardiology, Dong-A University College of Medicine) ;
  • Kim, Young-Dae (Department of Cardiology, Dong-A University College of Medicine) ;
  • Choi, Sun-Young (Department of Cardiology, Dong-A University College of Medicine) ;
  • Lee, Sun-Mi (Department of Family Medicine, Dong-A University College of Medicine) ;
  • Hong, Young-Seoub (Department of Preventive Medicine, Dong-A University College of Medicine)
  • Published : 2011.09.27
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Abstract

Background: The aim of this study was to evaluate myocardial function in patients with non-hypertensive metabolic syndrome. Methods: We selected metabolic syndrome patients (n = 42) without evidence of hypertension and compared them to agematched control individuals (n = 20). All patients were evaluated by two-dimensional and tissue Doppler echocardiography including tissue Doppler derived strain and strain rate measurements. Results: There were no significant differences between the two groups in mitral E and A inflow velocities or the E/A ratio. However, systolic and early diastolic myocardial velocities, and strain rate were significantly lower in patients with metabolic syndrome than in the control group (all p < 0.05). Multiple stepwise regression analyses revealed that age, waist circumference, and systolic blood pressure were independently associated with peak systolic myocardial velocity. Conclusion: These results indicate that metabolic syndrome patients without hypertension may have decrease of myocardial systolic and early diastolic velocities on tissue Doppler imaging, even if they appear to have normal systolic and diastolic function on conventional echocardiography.

Keywords

References

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