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- W2101382021 abstract "Aim Cardiac dysfunction is a major limitation of anthracycline treatment in cancer patients. There are several useful serum markers in other types of cardiomyopathy, including N-terminal pro-brain-natriuretic peptide (NT-proBNP), troponin-T and creatine kinase MB isoform. We investigated the potential application of these serum biomarkers in cancer patients receiving treatment with anthracycline. Methods We collected data from 52 female breast cancer patients receiving doxorubicin and cyclophosphamide every 3 weeks for four cycles. Cardiac function evaluations by echocardiography were done at baseline and at the end of the fourth cycle of chemotherapy. Patients’ blood samples were serially measured for cardiac biomarkers. Results The mean cumulative dose of doxorubicin in this study was 237 mg/m2. No symptomatic heart failure was detected during the study period. However, there were significant asymptomatic reductions of left ventricular ejection fraction (LVEF) from mean ± SD 70.7 ± 6% at baseline to 67.0 ± 5% (P < 0.001). By clinical toxicity criteria the LVEF decline was grade I in 18% and grade II in 4%. After one dose of chemotherapy, a significant rise of serum NT-proBNP occurred in patients who subsequently developed an LVEF reduction compared with patients with normal LVEF (P = 0.04). A correlation analysis demonstrated that the reduction of fractional shortening was significantly associated with elevated NT-proBNP (r = −0.016, P = 0.014). Conclusion Asymptomatic reductions in cardiac function are common in breast cancer patients treated with doxorubicin. NT-proBNP may serve as a convenient serum biomarker for the early detection of cardiotoxicity induced by anthracycline." @default.
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- W2101382021 date "2012-08-16" @default.
- W2101382021 modified "2023-10-16" @default.
- W2101382021 title "Serum NT-proBNP in the early detection of doxorubicin-induced cardiac dysfunction" @default.
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- W2101382021 doi "https://doi.org/10.1111/j.1743-7563.2012.01588.x" @default.
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