Scoring System for Prediction of Left Ventricular Longitudinal Myocardial Dysfunction in Preclinical Heart Failure Patients

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  • Odajima Susumu
    Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine
  • Nishimori Makoto
    Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine Division of Molecular Epidemiology, Kobe University Graduate School of Medicine
  • Okamoto Hiroshi
    Okamoto Cardiovascular Clinic
  • Hirata Ken-ichi
    Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine
  • Tanaka Hidekazu
    Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine

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<p>Background: Detection of left ventricular (LV) abnormalities is essential for patients with preclinical heart failure (HF) to delay progression to clinical HF. Global longitudinal strain (GLS) is a sensitive marker for the early occurrence of subtle abnormalities in LV function, but not all echocardiographic instruments can measure GLS.</p><p>Methods and Results: We studied 853 preclinical HF patients to devise a scoring system for predicting low GLS (<16%). The associations of medical history and echocardiographic parameters with low GLS were evaluated using Cox proportional hazards analysis. Model 1 of the system consisted of medical history; for Model 2, conventional echocardiographic parameters were added to Model 1. For Model 1, a score ≥5 points meant prediction of low GLS with 90.2% sensitivity and 62.9% specificity (male=1 point, hypertension=4 points, dyslipidemia=1 point, atrial fibrillation=2 points, history of cardiac surgery=2 points). For Model 2, a score ≥4 points denotes prediction of low GLS with 80.3% sensitivity and 76.5% specificity (male=1 point, hypertension=2 points, atrial fibrillation=2 points, LV mass index >116 g/m2[male] or >96 g/m2[female]=1 point, LV ejection fraction <59%=2 points, E/e′ >14=1 point).</p><p>Conclusions: Our scoring system provides an easy-to-use evaluation of LV longitudinal myocardial dysfunction, and may prove useful for risk stratification of patients with preclinical HF.</p>

収録刊行物

  • Circulation Journal

    Circulation Journal 88 (5), 703-710, 2024-04-25

    一般社団法人 日本循環器学会

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