PMID: 9427798Jan 15, 1998Paper

Assessment of early epirubicin cardiotoxicity in women with breast cancer

Anticancer Research
D Sobić-SaranovićS Jelić

Abstract

Anthracycline-containing chemotherapy has been the most frequently observed cause of iatrogenic cardiac damage in patients with breast cancer. The purpose of this study was to evaluate by radionuclide ventriculography whether a mean cumulative dose of epirubicin (MCDE) induced left ventricular (LV) systolic or/and diastolic dysfunction in 32 patients treated for breast cancer. Thirty-two patients with breast cancer according to chemotherapeutical trials received MCDE of 360 m/m2. All patients were studied before and after they completed chemotherapy with radionuclide ventriculography at rest. Systolic and diastolic left ventricular parameters were assessed. Diastolic left ventricular parameters and R-R intervals significantly differed before and after completed chemotherapy in our patients: peak filling rate (PFR: 2.8 +/- 0.6 vs. 2.2 +/- 0.7 EDV/sec) and time to filling rate (TPFR: 182 +/- 48 vs. 2.25 +/- 50 msec), R-R: 723 +/- 51 vs. 620 +/- 45 msec, p < 0.01. Ejection fraction, as a systolic parameter/did not significantly differ before and after completed chemotherapy (EF: 59 +/- 7 vs. 58 +/- 6%), p > 0.05. Our results indicate that left ventricular diastolic dysfunction even at an MCDE of 360 mg/m2 may be an early sign of e...Continue Reading

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