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The experience of a multidisciplinary clinic in the management of early-stage breast cancer patients receiving trastuzumab therapy: an observational study.
MedLine Citation:
PMID:  23050193     Owner:  NLM     Status:  PubMed-not-MEDLINE    
Abstract/OtherAbstract:
Background. We established a dedicated cardiac oncology clinic in 2008 for the rapid diagnosis and treatment of cardiotoxicity related to cancer therapy. In this retrospective observational study, we report on clinical outcomes in women with early-stage breast cancer (EBC) referred to this clinic. Methods. Patients with EBC treated with chemotherapy/trastuzumab and referred between October 2008 and December 2010. Data included patient demographics, staging, cancer treatment/completion, dose delays, left ventricular ejection fraction (LVEF) and cardiac treatment. Results. Forty eight patients: median age 55.5 years, stage I/II disease (77%) and HER-2 positive (98%). The majority of women (n = 32) were referred for decreases in LVEF (from baseline). Overall, 37 (77%) patients experienced at least one drop in LVEF while on treatment, of which 22 patients (59%) experienced a ≥10 percentage point drop. The majority of patients (30/37; 81%) experienced declines in LVEF while on trastuzumab. Interventions included trastuzumab delays (n = 16/48; 33%) and cardiac medication (12/48: 25%). A total of 81% of patients completed ≥90% of trastuzumab therapy and 15% of patients discontinued therapy due to cardiotoxicity. Conclusion. The majority of patients referred to our clinic completed therapy. Further studies are needed to determine the impact of this multidisciplinary approach on treatment completion and cardiac outcomes.
Authors:
Susan Dent; Sean Hopkins; Nadine Graham; Christopher Johnson; Angeline Law; Michelle Campbell; Freya Crawley; Kathleen Allen; Michele Turek
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Publication Detail:
Type:  Journal Article     Date:  2012-09-25
Journal Detail:
Title:  Cardiology research and practice     Volume:  2012     ISSN:  2090-0597     ISO Abbreviation:  Cardiol Res Pract     Publication Date:  2012  
Date Detail:
Created Date:  2012-10-10     Completed Date:  2012-10-11     Revised Date:  2013-04-02    
Medline Journal Info:
Nlm Unique ID:  101516542     Medline TA:  Cardiol Res Pract     Country:  United States    
Other Details:
Languages:  eng     Pagination:  135819     Citation Subset:  -    
Affiliation:
Division of Medical Oncology, Department of Medicine, University of Ottawa, The Ottawa Hospital Cancer Centre, Ottawa, ON, Canada K1H 8L6.
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