Circulating Levels of Heart-Type Fatty Acid-Binding Protein in a General Japanese Population : Effects of Age, Gender and Physiologic Characteristics

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Background Serum heart-type fatty acid-binding protein (H-FABP) has been widely used as a marker of cardiac myocyte injury. This study was carried out to examine the relationships of H-FABP levels with age, gender, and other physiologic characteristics in a large population of community-dwelling residents. Methods and Results Serum H-FABP levels were measured in 2,099 subjects who received an annual health check-up (age 40-87 years). The relationships between H-FABP and blood pressure, laboratory data, electrocardiogram (ECG) findings, and lifestyle factors were cross-sectionally analyzed. Mean H-FABP values were significantly higher in men than in women. Serum H-FABP levels were increased with aging significantly. Both the multivariate regression and multiple logistic regression analyses indicated that serum H-FABP levels were independently affected by age, body mass index, creatinine clearance, and ECG abnormality score. Conclusion Serum H-FABP levels were affected by age, gender, obesity, renal function, and ECG abnormality in a large group of volunteers. These effects should be taken into account in determining appropriate reference values for H-FABP. In addition, high serum H-FABP levels may represent latent cardiac injury and have important clinical implications.
社団法人日本循環器学会の論文
2007-08-20