| The duration of the use of imatinib mesylate is only weakly related to elevated BNP levels in chronic myeloid leukaemia patients. | |
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MedLine Citation:
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PMID: 20860069 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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Cardiotoxicity has been feared as a potential side effect of imatinib therapy. Studies with short-term follow-up failed to identify an excess of cardiac events, but longer-term observations are needed to more definitely exclude this adverse effect. This study was designed to assess the cardiac effects of imatinib in patients under long-term treatment. We included 90 chronic myeloid leukaemia (CML) patients under imatinib therapy for a median treatment time of 3.3 years (mean age 48.9 ± 15.1 years). Patients underwent clinical evaluation, electrocardiography, echocardiography (two-dimensional, colour flow, tissue Doppler and strain imaging), brain natiuretic peptide (BNP) and troponin I measurements. Twenty healthy volunteers were included as a control group for strain measurements. The mean ejection fraction was 68 ± 7% and the median BNP level was 9.6 pg/ml (interquartile range [IQR] 5.7-17.0 pg/ml). Two patients had either an elevated BNP or a depressed ejection fraction (2.2%; 90%CI 0.9-6.8%). Most of troponin I measurements were lower than the detection limit, except for two patients. Longitudinal strain was similar to measurements in healthy controls. A weak relation was observed between log BNP and imatinib treatment duration and dose. There was no relation between these variables and left ventricle ejection fraction. In conclusion, matinib-related cardiotoxicity is an uncommon event in CML patients, even during long-term treatment. Therefore, its use should not be cause of great concern, and the usefulness of regular cardiac monitoring all patients while on imatinib therapy is questionable. Copyright © 2010 John Wiley & Sons, Ltd. |
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Authors:
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Milena S Marcolino; Eric Boersma; Nelma C D Clementino; Maria do Carmo P Nunes; Márcia M Barbosa; Maria Helena C R Silva; Marcel L Geleijnse; Antonio L Ribeiro |
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Publication Detail:
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Type: Journal Article Date: 2010-09-22 |
Journal Detail:
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Title: Hematological oncology Volume: 29 ISSN: 1099-1069 ISO Abbreviation: Hematol Oncol Publication Date: 2011 Sep |
Date Detail:
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Created Date: 2011-09-16 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8307268 Medline TA: Hematol Oncol Country: England |
Other Details:
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Languages: eng Pagination: 124-30 Citation Subset: IM |
Copyright Information:
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Copyright © 2010 John Wiley & Sons, Ltd. |
Affiliation:
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School of Medicine, Hospital das Clínicas, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil. milenamarc@gmail.com. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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