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Σάββατο 19 Μαΐου 2018

Immediate two-stage prosthetic breast reconstruction failure: radiation is not the only culprit

Background: Immediate prosthetic breast reconstruction produces a satisfactory aesthetic result with high levels of patient satisfaction. However, with the broader indication for post-mastectomy adjuvant radiation, many patients are advised against immediate breast reconstruction because of concerns of implant loss and infection particularly as most patients also require chemotherapy. This retrospective cohort study examines outcomes for patients who underwent immediate two-stage prosthetic breast reconstruction after mastectomy with or without adjuvant chemotherapy or radiotherapy (RT). Methods: Between 1998 and 2010, 452 patients undergoing two-stage prosthetic immediate breast reconstruction involving a total of 562 breasts were included in this study. Stage one was defined as insertion of the temporary expander and stage two insertion of the final silicone implant. Post-operative adjuvant radiotherapy was recommended with tissue expander in-situ for 114 patients. Complications, including loss of prosthesis, seroma and infection were recorded and analysed. Cosmetic result was assessed using a 4-point scale. Results: Post-operative prosthesis loss was 2.7%, 5.3% for patients undergoing adjuvant chemotherapy increasing to 11.3% for patients receiving chemotherapy+RT. Chemotherapy and radiotherapy independently were the main, statistically significant, risk factors for expander or implant loss; IRR: 13.85 (p=0.012) and 2.23 (p=0.027), respectively. Prosthesis loss for patients undergoing combination chemotherapy+RT was also significant; IRR: 4.791 (p

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