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논문 기본 정보

자료유형
학술저널
저자정보
Park Jin Joo (Division of Cardiology Cardiovascular Center Department of Internal Medicine Seoul National University Bundang Hospital Seoul National University College of Medicine Seongnam Korea.) Yoon Minjae (Division of Cardiology Cardiovascular Center Department of Internal Medicine Seoul National University Bundang Hospital Seoul National University College of Medicine Seongnam Korea.) Cho Hyoung-Won (Division of Cardiology Cardiovascular Center Department of Internal Medicine Seoul National University Bundang Hospital Seoul National University College of Medicine Seongnam Korea.) Lee Sang-Eun (Division of Cardiology Department of Internal Medicine Asan Medical Center University of Ulsan College of Medicine Seoul Korea.) Choi Jin-Oh (Department of Internal Medicine Sungkyunkwan University College of Medicine Seoul Korea.) Yoo Byung-Su (Department of Internal Medicine Yonsei University Wonju College of Medicine Wonju Korea.) Kang Seok-Min (Division of Cardiology Department of Internal Medicine Severance Hospital Yonsei University College of Medicine Seoul Korea.) Choi Dong-Ju (Division of Cardiology Cardiovascular Center Department of Internal Medicine Seoul National University Bundang Hospital Seoul National University College of Medicine Seongnam Korea.)
저널정보
대한의학회 Journal of Korean Medical Science Journal of Korean Medical Science Vol.38 No.23
발행연도
2023.6
수록면
1 - 13 (13page)
DOI
10.3346/jkms.2023.38.e177

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Background: Although iron deficiency (ID) is an important and treatable risk factor for heart failure (HF), data on ID are scarce in Asian patients with HF. Therefore, we sought to determine the prevalence and clinical characteristics of ID in hospitalized Korean patients with HF. Methods: In this prospective, multicenter cohort study, 461 patients with acute HF seen at five tertiary centers from January to November 2019 in Korea were enrolled. ID was defined as serum ferritin < 100 μg/L or ferritin 100–299 μg/L in combination with transferrin saturation < 20%. Results: The patients’ mean age was 67.6 ± 14.9 years, and 61.8% were male. Among total 461 patients, ID was present in 248 patients (53.8%). The prevalence of ID was significantly higher in women than in men (65.3% vs. 47.3%, P < 0.001). In a multivariable logistic regression analysis, the independent predictors of ID were female sex (odds ratio [OR], 2.19; 95% confidence interval [CI], 1.47–3.30), valvular heart disease (OR, 2.10; 95% CI, 1.10–4.17), higher heart rate (OR, 1.10; 95% CI, 1.01–1.21), anemia (OR, 1.60; 95% CI, 1.07–2.40), and the use of clopidogrel (OR, 1.56; 95% CI, 1.00–2.45). Among women, the prevalence of ID did not significantly differ between younger and older women (< 65 years: 73.7% vs. ≥ 65 years: 63.0%, P = 0.222), those with low and high body mass index (BMI < 25 kg/m2 : 66.2% vs. BMI ≥ 25 kg/m2 : 69.6%, P = 0.703), or those with low and high natriuretic peptide (NP) levels (NP < median: 69.8% vs. NP ≥ median: 61.1%, P = 0.295). Only 0.2% patients with acute HF received intravenous iron supplementation in Korea. Conclusion: The prevalence of ID is high in hospitalized Korean patients with HF. Because ID cannot be diagnosed by clinical parameters, routine laboratory examinations are necessary to identify patients with ID.

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