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EV028/#143  Analysis of breast reconstructions in mastectomized patients at an oncological reference hospital in Southern Brazil
  1. Roger De Lima,
  2. Paulo Hoffmann,
  3. Carol De Aguiar,
  4. Rafaela Roedel,
  5. Bianca Sa,
  6. Patrícia Câmara,
  7. Nickson Giustina and
  8. Evelyn Giustina
  1. Hospital Santo Antônio, Surgical Oncology, Blumenau, Brazil

Abstract

Introduction In Brazil, breast cancer is the most common cancer among women, with an estimated 74,000 new cases in 2023. Mastectomy remains a necessary intervention, and breast reconstruction is a vital component of patient rehabilitation. Therefore, it is important to understand, the optimal timing for the procedure and potential complications. This study assessed the epidemiological profile and complications of breast reconstruction.

Methods This was a retrospective cross-sectional observational study of patients undergoing breast reconstruction following mastectomy for breast cancer between 2018 and 2022.

Results A total of 63 patients were included in this study. The predominant age group was 35 to 50 years, non-smokers and without comorbidities. The most common clinical stages were IIA (36.5%) and IIB (20.6%).

Regarding treatment, 55.6% received neoadjuvant therapy, 23.8% required adjuvant radiotherapy, 52.4% underwent adenomastectomy, 49.2% had sentinel lymph node biopsy, and 50.8% needed axillary lymphadenectomy.

Breast reconstruction was performed during the same surgical procedure in most cases (87.3%), with 92% of the reconstructions involving alloplastic material, being 50.8% silicone implants and 41.3% tissue expanders.

The main complications included wound dehiscence, skin necrosis, and prosthesis extrusion. A higher number of complications were observed in patients who used silicone implants (65.6% implants vs. 34.6% expanders, p=0.019). There was also higher incidence of complications in patients undergoing adenomastectomy compared to total mastectomy (63.6% vs 36.7%, p=0.032), with skin necrosis predominating in the former group (27.3%, p=0.014).

Conclusion/Implications Immediate reconstruction, radiotherapy, adenomastectomy, and silicone implants were identified as risk factors for complications and should be considered during surgical decision-making.

Abstract EV028/#143 Table 1

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