Abstract
Early diagnosis of heart failure (HF) remains difficult and identification of more sensitive biomarkers than conventional ones is an urgent task. We conducted the comprehensive quantification of water-soluble metabolites in blood of atrial septal defect (ASD) patients using a gas chromatograph-mass spectrometry. We found the mean level of 2-Aminobutyric acid (2-AB) in ASD patients was significantly higher than that in healthy volunteers, and 1 month after transcatherter closure of ASD, serum 2-AB levels in patients decreased to almost the same levels as healthy volunteers.
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