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Assessment of right ventricular functions during cancer chemotherapy.
MedLine Citation:
PMID:  21880609     Owner:  NLM     Status:  Publisher    
AIMS: Although systolic and diastolic left ventricular functions after cancer chemotherapy are well studied, there are a few investigations about the right ventricular functions. We aimed to investigate the early effects of chemotherapy on right heart, if any, in addition to the association between N-terminal pro-brain natriuretic peptide (NT-proBNP) and right heart echocardiographic indices. METHODS AND RESULTS: Thirty-seven consecutive patients with newly diagnosed breast cancer who were planned to receive either AC protocol [cyclophosphamide (600 mg/m(2)) + adriamycin (60 mg/m(2))] or CAF protocol [cyclophosphamide (600 mg/m(2)) + adriamycin (60 mg/m(2)) + 5-fluorouracil (600 mg/m(2))] for six cures were enrolled between February 2009 and June 2010. Echocardiography was performed before the onset of the chemotheurapeutic regimen (T1), on the day after the completion of the first cure (T2), and after the completion of two cures of the regimen (T3). Serum NT-proBNP levels were also measured at T1, T2, and T3. The mean right ventricular fractional area change (RVFAC) was 63.7 ± 3.63, 63.3 ± 3.67, and 61.2 ± 4.41% at T1, T2, and T3, respectively (pT1-T3 and pT2-T3 <0.05). Tricuspid annular plane systolic excursion (TAPSE) has decreased in time (1.82 ± 0.2, 1.78 ± 0.19, and 1.62 ± 0.24 cm; pT1-T2, pT1-T3, and pT2-T3 were 0.002, <0.001, and <0.001, respectively). Tricuspid annular mean E'/A' ratios were 1.42 ± 0.16, 1.36 ± 0.18, and 1.11 ± 0.32 (pT1-T2 = 0.013, pT1-T3 < 0.001, and pT2-T3 < 0.001). Mean tricuspid annular systolic velocities were 11.35 ± 1.85, 11.0 ± 1.82, and 10.45 ± 1.75 cm/s for T1, T2, and T3; and the differences between T1 and T2, T1 and T3, and T2 and T3 were all significant (P = 0.005, <0.001, and 0.001). Median serum NT-proBNP levels were 82 (60-247), 116 (60-426), and 170 (60-600) pg/mL at T1, T2, and T3. The amount of change in RVFAC and TAPSE between T1 and T3 were found to be correlated with the amount of change in NT-proBNP measurements between T1 and T3 (R: -0.7, P < 0.001; R: -0.62, P < 0.001). CONCLUSION: There is a subclinical decrease in right ventricular systolic and diastolic echocardiographic indices, although mostly, in the normal range, in a relatively short time interval after onset of chemotherapy.
Asli Tanindi; Umut Demirci; Gulten Tacoy; Suleyman Buyukberber; Yakup Alsancak; Ugur Coskun; Ridvan Yalcin; Mustafa Benekli
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-8-30
Journal Detail:
Title:  European journal of echocardiography : the journal of the Working Group on Echocardiography of the European Society of Cardiology     Volume:  -     ISSN:  1532-2114     ISO Abbreviation:  -     Publication Date:  2011 Aug 
Date Detail:
Created Date:  2011-9-1     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  100890618     Medline TA:  Eur J Echocardiogr     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Department of Cardiology, Gazi University Faculty of Medicine, Besevler, 06500 Ankara, Turkey.
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