期刊
AMERICAN JOURNAL OF MEDICINE
卷 111, 期 5, 页码 349-354出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/S0002-9343(01)00879-8
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PURPOSE: To evaluate the survival of patients with beta thalassemia and heart failure who were treated with iron chelation therapy. SUBJECTS AND METHODS: Fifty-two consecutive patients with beta thalassemia and heart failure were followed in a prospective 5-year study. All patients underwent a full clinical examination with chest radiograph, electrocardiogram, and echocardiographic investigation performed at 6-month intervals or when a new symptom developed. RESULTS: Of the 52 patients (mean [+/-SD] age, 24 +/- 5 years), 25 (48%) survived 5 years after the onset of heart failure. Forty-three patients had left-sided heart failure, and 9 had right-sided heart failure. Those with left-sided heart failure were younger at presentation with heart failure (22 +/- 4 years vs. 31 +/- 6 years; P <0.001), had lower ejection fractions (36% +/- 9% vs. 64% +/- 10%; P <0.001), and had a lower mean serum ferritin level (3355 +/- 1241 ng/mL vs. 6,397 +/- 1,613 ng/mL; P <0.001). CONCLUSION: The 5-year survival rate in patients with beta thalassemia with heart failure was greater than previously reported. There are clinical characteristics that may make patients more likely to develop left- or right-sided heart failure. (C) 2001 by Excerpta Medica.
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