Journal
BREAST
Volume 19, Issue 2, Pages 120-127Publisher
CHURCHILL LIVINGSTONE
DOI: 10.1016/j.breast.2009.12.006
Keywords
Breast cancer; Therapy; Guideline; Adherence; 5-Year survival
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Funding
- German Institute of Education and Research (BMBF)
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Background: The aim of that study was to analyze the impact of German-S3-breast cancer guideline adherence on clinical outcomes. Methods: A retrospective study analyzed 3976 patients first diagnosed with primary breast cancer according to an S3-guideline-based model that classified patients retrospectively into groups receiving guideline-adherent and guideline non-adherent therapy. Results: There was a significant association between treatment adherence and prolonged recurrence free and overall survival (p = 0.0001). The greater the number of violations in guideline adherence, the lower was overall survival (p = 0.0001). Advanced age at initial diagnosis was additionally associated with a reduction in guideline adherence. The percentage of guideline adherence for the therapeutic modalities BCT, mastectomy, axillary dissection and hormone therapy was greater than 80%. For chemotherapy, the percent of guideline adherence totaled 71.4%. Conclusion: Therapies dispensed in adherence with guidelines may improve recurrence-free survival and overall survival in patients with breast cancer. (C) 2009 Elsevier Ltd. All rights reserved.
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