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논문 기본 정보

자료유형
학술저널
저자정보
Hwang Ji-won (Division of Cardiology Department of Medicine Ilsan Paik Hospital Inje University School of Medicin) Lee Sang-Chol (Division of Cardiology Department of Medicine Samsung Medical Center Sungkyunkwan University School) Kim Darae (Division of Cardiology Department of Medicine Samsung Medical Center Sungkyunkwan University School) Kim Jihoon (Division of Cardiology Department of Medicine Samsung Medical Center Sungkyunkwan University School) Kim Eun Kyoung (Division of Cardiology Department of Medicine Samsung Medical Center Sungkyunkwan University School) Chang Sung-A (Division of Cardiology Department of Medicine Samsung Medical Center Sungkyunkwan University School) Park Sung-Ji (Division of Cardiology Department of Medicine Samsung Medical Center Sungkyunkwan University School) Kim Sung Mok (Cardiovascular Imaging Center Heart Vascular Stroke Institute Samsung Medical Center Sungkyunkwan U) Choe Yeon Hyeon (Cardiovascular Imaging Center Heart Vascular Stroke Institute Samsung Medical Center Sungkyunkwan U) Ahn Joong Hyun (Biostatistics Team Statistics and Data Center Samsung Medical Center Seoul Korea.) Park Seung Woo (Division of Cardiology Department of Medicine Samsung Medical Center Sungkyunkwan University School)
저널정보
대한의학회 Journal of Korean Medical Science Journal of Korean Medical Science Vol.37 No.8
발행연도
2022.2
수록면
1 - 11 (11page)
DOI
10.3346/jkms.2022.37.e62

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초록· 키워드

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Background: Reduced exercise capacity reflects symptom severity and clinical outcomes in patients with hypertrophic cardiomyopathy (HCM). The present study aimed to identify factors that may affect exercise capacity in patients with HCM. Methods: In 294 patients with HCM and preserved left ventricular (LV) ejection fraction, we compared peak oxygen consumption (peak VO2) evaluated by cardiopulmonary exercise testing as a representative parameter of exercise tolerance with clinical and laboratory data, including N-terminal pro-hormone of brain natriuretic peptide (NT-proBNP), diastolic parameters on echocardiography, and the grade of myocardial fibrosis on cardiac magnetic resonance imaging (CMR). Results: Median peak VO2, was 29.0 mL/kg/min (interquartile range [IQR], 25.0?34.0). Age (estimated β = ?0.140, P < 0.001), female sex (β = ?5.362, P < 0.001), NT-proBNP (β = ?1.256, P < 0.001), and E/e′ ratio on echocardiography (β = ?0.209, P = 0.019) were significantly associated with exercise capacity. Peak VO2 was not associated with the amount of myocardial fibrosis on CMR (mean of late gadolinium enhancement 12.25 ± 9.67%LV). Conclusion: Decreased exercise capacity was associated with age, female sex, increased NTproBNP level, and E/e′ ratio on echocardiography. Hemodynamic changes and increased filling pressure on echocardiography should be monitored in this population for improved outcomes.

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