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- W4377047276 abstract "PURPOSE: Patients with inflammatory breast cancer (IBC) are at high risk for lymphedema due to their need for axillary lymph node dissection (ALND) and high-dose regional nodal radiation. LYMPHA (Lymphatic Microsurgical Preventive Healing Approach) is increasingly offered for prevention of upper extremity lymphedema after breast cancer treatment. Prior studies focus on intraoperative and postoperative lymphedema risk factors, some of which are unknown preoperatively when the decision to perform LYMPHA is made. This study aimed to identify preoperative lymphedema risk factors in the high-risk IBC population. METHODS: Retrospective review of our institution’s IBC program database was conducted. All patients with IBC who underwent neoadjuvant chemotherapy (NAC) and modified radical mastectomy (MRM) with adjuvant radiation were reviewed. The primary outcome was self-reported lymphedema development. Secondary endpoints were time from IBC diagnosis, mastectomy, or radiation completion to lymphedema diagnosis. Multivariable logistic regression analysis was used to identify preoperative lymphedema risk factors, while controlling for number of lymph nodes removed during ALND, number of positive lymph nodes, presence of residual disease on final pathology, and need for adjuvant systemic therapy. Additionally, the subset of patients who underwent breast reconstruction was reviewed and descriptive statistics of reconstructive techniques performed. RESULTS: Of 356 patients (86% Stage 3, 14% Stage 4) who underwent NAC, MRM and radiation, complete data on risk factors were available for 134 (37.6%). Mean age at diagnosis was 51 years (range 22-89 years). Forty-seven percent of patients developed lymphedema during treatment and 87% had ≥5 lymph nodes removed. Four percent developed lymphedema preoperatively (mean 138 days, median 149 days after IBC diagnosis), 14.6% developed lymphedema after surgery and before radiation (mean 51 days, median 45 days postoperatively), and 81.7% developed lymphedema after radiation (mean 470 days, median 271 days after radiation). Obesity (BMI > 30) (OR 2.7, CI 1.2-6.4, p = 0.02) and non-white race (OR 4.5, CI 1.2-23, p = 0.04) were preoperative risk factors for lymphedema. Reconstruction data was available for 91.3% of patients (n=325). Of these, 78.5% (n=255) did not receive reconstruction. Among those who underwent reconstruction (n=70, 21.5%), most patients were younger than 50 years (n=41, 58.6%). Most who underwent reconstruction were white (n=63, 90.0% versus n=2, 2.86% black and n=5, 7.14% other). Ethnicity data was available for 48 patients (68.6%). The majority of patients were non-Hispanic (n=46, 95.83%). BMI data was available for 48 patients and the majority had BMI <30 (n=29, 60.42%). CONCLUSION: Patients with IBC are at high risk of lymphedema, with 47% of patients in our study developing self-reported lymphedema. While need for NAC, ALND, and PMRT are known risk factors, we identified obesity and non-white race as additional lymphedema risk factors in this population. Given this high prevalence, LYMPHA should be considered for all patients with IBC. Larger, prospective studies are needed to further evaluate potential racial disparities in lymphedema development." @default.
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- W4377047276 date "2023-05-01" @default.
- W4377047276 modified "2023-09-27" @default.
- W4377047276 title "SP33. Optimizing Patient Selection for Lympha in Patients with Inflammatory Breast Cancer" @default.
- W4377047276 doi "https://doi.org/10.1097/01.gox.0000938476.57742.a6" @default.
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