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Bariatric surgery is accepted as an evidence-based treatment for morbid obesity. Many patients seek out body contour surgery afterwards to correct acquired deformities. This study seeks to better define the impact of body contour surgery on long-term weight loss. This study is a single-center retrospective review of 78 patients who underwent body contouring surgery post-Roux-en-Y gastric bypass compared with 221 matched control patients who underwent Roux-en-Y gastric bypass only. Data was collected for patients at least 7 years post-Roux-en-Y gastric bypass. Patients who underwent both bariatric surgery and body contour surgery maintained mean long-term weight loss of 58 kg. The matched control group mean weight loss over the same time interval was 42 kg. The difference was statistically and clinically significant (p = 0.005). Change in body mass index, percent total weight loss, and percent excess body mass index loss were all statistically significant between the 2 groups. Patients who underwent body contour surgery better maintained long-term weight reduction in comparison to those who only had gastric bypass. Further understanding of the etiology of this association is important for patients contemplating body contouring surgery.

Purpose / Objectives: In patients with macromastia, breast conservation surgery (BCS) followed by radiation therapy (RT) for the treatment of breast cancer may be associated with a different complication profile than those without macromastia. General complications of BCS followed by RT includes seroma, infection, wound complications, cosmetic deformity, asymmetry, acute versus long term arm and/or breast lymphedema. Oncoplastic reduction mammoplasty (ORM) aims to reduce breast volume while excising the tumor bed and its margins. Since breast volume was found to be a risk factor for chronic breast lymphedema, this study was performed to determine the impact of ORM on chronic breast lymphedema as well as other complications compared to BCS without ORM. Materials / Methods: We performed a retrospective chart review on patients who underwent lumpectomy with RT from 2014 to 2018. Chronic breast lymphedema (CBL) was defined as swelling that persisted >1 year post-RT. Breast volumes (BV) were determined by contoured breast volumes or, if unavailable, estimated by the 95% isodose volumes from the RT treatment planning system. Univariate analysis was used to evaluate various patient factors and treatment outcomes in women with BV ≥1300 cc compared to 1300 cc are at increased risk for developing several complications regardless of the presence of ORM. Those who had ORM experienced an increase in wound complications but having undergone ORM appeared to eliminate the increased risk of CBL associated with macromastia. This suggests that ORM should be considered at the time of BCS to reduce their future risk of CBL as there is no cure for this disease. Citation Format: Jenna Nicole Luker, Cara Canella, Sanjay Rama, Kelley Park, Renee Barry, Saheli Ghosh, Simeng Zhu, Yalei Chen, Jessica Bensenhaver, Eleanor Walker, Kenneth Levin, Maristella Evangelista, Dunya Atisha. The effect of oncoplastic reduction on the incidence of post-operative breast lymphedema in breast cancer patients undergoing lumpectomy [abstract]. In: Proceedings of the 2020 San Antonio Breast Cancer Virtual Symposium; 2020 Dec 8-11; San Antonio, TX. Philadelphia (PA): AACR; Cancer Res 2021;81(4 Suppl):Abstract nr PS1-49.

Purpose/Objective(s):Unlike temporary breast edema caused by post-lumpectomy radiation therapy (RT), the edema that persists beyond one year is not well defined and difficult to treat. The aim of this study is to define the incidence and risk factors for the development of chronic breast lymphedema in women undergoing lumpectomy with RT at a large metropolitan cancer center. Materials/Methods:A retrospective chart review was performed on all patients who underwent lumpectomy from 2014 to 2018. Women who did not undergo RT at our institution and those with stage IV disease were excluded from the analysis. Patient demographics, comorbidities, operative data, RT data and postoperative complications were obtained. Chronic breast lymphedema (CBL) was defined as edema that persisted beyond one year post completion of radiation therapy. Breast volumes were determined by contoured breast volumes or, if unavailable, estimated by the 95% isodose volumes from the RT treatment planning system. Using a density curve, the distribution of breast volumes was plotted for patients with and patients without CBL. Univariate analysis was used to evaluate factors associated with CBL. Multivariate regression analysis was used to evaluate factors associated with the risk of CBL while accounting for potential confounding variables as defined by the univariate analysis. Results:A total of 1173 patients were included for analysis. Seventy-four (6.3%) patients developed breast lymphedema beyond one year. For the entire cohort, mean age was 63 years old (SD=11.17), mean BMI was 31.15 kg/m2 (SD=7.17), mean breast volume was 1198.54 cm3 (SD=645.82 cm3), mean total radiation was 59.18 Gy (SD=16.76), and 139 (11.8%) patients underwent ALND. Compared to the cohort that did not develop CBL (n=1099), the CBL cohort (n=74) had a higher median BMI (33.23 kg/m2 vs. 29.81 kg/m2, P Conclusion:Chronic breast lymphedema presents a clinical concern for women undergoing lumpectomy with postoperative radiation, particularly in women with larger breasts. Further studies should focus on preventative strategies, as well as the psychosocial and economic impact of this morbidity. Citation Format: Sanjay Rama, Cara Canella, Jenna Luker, Kelley Park, Renee Barry, Saheli Ghosh, Simeng Zhu, Yalei Chen, Jessica Bensenhaver, Eleanor Walker, Kenneth Levin, Dunya Atisha, Maristella Evangelista. Factors associated with chronic breast lymphedema after adjuvant radiation in women undergoing breast conservation therapy [abstract]. In: Proceedings of the 2020 San Antonio Breast Cancer Virtual Symposium; 2020 Dec 8-11; San Antonio, TX. Philadelphia (PA): AACR; Cancer Res 2021;81(4 Suppl):Abstract nr PS1-12.

Purpose For many providers, hand infections among diabetic patients is a condition that necessitates focused inpatient care. These patients are believed to have decreased innate immunity to fight infection, a more virulent course, and difficulty with recovery. Diabetes is considered by some to represent an additional risk factor that can result in an unfavorable outcome if not managed in an aggressive manner. Our own experience suggests that many of these patients can be safely managed in the outpatient setting. The purpose of this project was to better define the clinical outcomes for this population. Methods Evidence-based criteria were utilized to direct inpatient versus outpatient treatment pathways. A database was developed to track hand infections treated by the specialty service. The primary outcome was the resolution of hand infection. Secondary outcomes included specific treatment responses as well as patient characteristic comparisons of the different treatment groups. Independent variables included (parenteral and enteral) antibiotic use and bedside interventions performed. Patients were followed to complete the resolution of infection. Results For all patients managed as outpatients, diabetic patients had statistically significantly decreased improvement rates at two weeks as compared to non-diabetic patients (62% vs 75%, p =0.024). This difference disappeared at two months. Among diabetic patients, those with the highest rate of recovery at two weeks (90%) received intravenous antibiotics, bedside procedures, and oral antibiotics. Patients who did not receive antibiotics or undergo bedside procedures had the lowest percent of improvement (37%). Across all treatment subgroups, bedside procedure was the most impactful intervention. Less than 10% of patients were converted from outpatient to inpatient care, both diabetic and non-diabetic. Conclusions We reviewed our experience managing diabetes mellitus hand infections treated in the outpatient setting. Appropriate and effective treatment is possible, and the results are equivalent to those of patients without diabetes mellitus.

Chyle leaks after esophagectomy are associated with significant morbidity and mortality. High-output fistulas are particularly difficult to manage, as the likelihood of spontaneous closure with conservative management is low. Leaks that fail to resolve with conservative management are referred for thoracic duct ligation or embolization. Some patients, however, are not candidates for these procedures or have persistent output despite intervention. We report a case of a post–McKeown esophagectomy patient with a high-output chyle leak despite intraoperative thoracic duct ligation. Treatment was successful with a modified blood patch through a neck drain.