Faculty Bibliography

BACKGROUND:Hidradenitis suppurativa (HS) is a debilitating cutaneous disease characterized by severe painful inflammatory nodules/abscesses. At present, data regarding the epidemiology and pathophysiology of this disease are limited. OBJECTIVE:To define the prevalence and comorbidity associations of HS. METHODS:examining over 180 million US patients. Prevalences were calculated by demographic and odds ratios (OR) and identified comorbidity correlations. RESULTS:All examined metabolism-related, psychological, and autoimmune/autoinflammatory (AI) diseases correlated with HS. The strongest associations were with pyoderma gangrenosum [OR 26.56; confidence interval (CI): 24.98-28.23], Down syndrome (OR 11.31; CI 10.93-11.70), and polycystic ovarian syndrome (OR 11.24; CI 11.09-11.38). Novel AI associations were found between HS and lupus (OR 6.60; CI 6.26-6.94) and multiple sclerosis (MS; OR 2.38; CI 2.29-2.48). Cutaneous malignancies were largely not associated in the unsegmented cohort; however, among Black patients, novel associations with melanoma (OR 2.39; CI 1.86-3.08) and basal cell carcinoma (OR 2.69; CI 2.15-3.36) were identified. LIMITATIONS/CONCLUSIONS:International Classification of Diseases (ICD)-based disease identification relies on coding fidelity and diagnostic accuracy. CONCLUSION/CONCLUSIONS:This is the first study to identify correlations between HS with melanoma and basal cell carcinoma (BCC) among Black patients as well as MS and lupus in all patients with HS.

As innovations in the field of vascular composite allotransplantation (VCA) progress, whole-eye transplantation (WET) is poised to transition from non-human mammalian models to living human recipients. Present treatment options for vision loss are generally considered suboptimal, and attendant concerns ranging from aesthetics and prosthesis maintenance to social stigma may be mitigated by WET. Potential benefits to WET recipients may also include partial vision restoration, psychosocial benefits related to identity and social integration, improvements in physical comfort and function, and reduced surgical risk associated with a biologic eye compared to a prosthesis. Perioperative and postoperative risks of WET are expected to be comparable to those of facial transplantation (FT), and may be similarly mitigated by immunosuppressive protocols, adequate psychosocial support, and a thorough selection process for both the recipient and donor. To minimize the risks associated with immunosuppressive medications, the first attempts in human recipients will likely be performed in conjunction with a FT. If first-in-human attempts at combined FT-WET prove successful and the biologic eye survives, this opens the door for further advancement in the field of vision restoration by means of a viable surgical option. This analysis integrates recent innovations in WET research with the existing discourse on the ethics of surgical innovation and offers preliminary guidance to VCA programs considering undertaking WET in human recipients.

BACKGROUND:Myofibromas are rare mesenchymal tumors with a predilection for the head, neck, and oral cavity. Primarily affecting infants and young children, these tumors typically manifest as superficial painless nodules. Diagnosis is confirmed through histopathological examination of a biopsy, revealing nodules characterized by spindle cell proliferation. To our knowledge, only two cases of pinna myofibroma have been previously reported in the literature. CASE PRESENTATION/METHODS:Here, we present the case of a three-year-old male who developed a myofibroma of the left auricle following trauma to the area one year earlier. The patient underwent surgical resection without any postoperative complications. The patient later returned with a lesion consistent with hypertrophic scar. CONCLUSIONS:This study aims to provide a comprehensive review of the clinical presentation, histopathologic and immunohistochemical features, and surgical management of this unique case of myofibroma of the pinna.

BACKGROUND:Out of nearly 90 hand and 50 face transplant recipients, only 5 have received a cross-sex vascularized composite allotransplantation (CS-VCA) to date. CS-VCA has the potential to expand the donor pool and has been shown to be anatomically feasible and ethically acceptable in previous cadaveric and survey studies. However, there is a lack of immunologic data. This study aims to evaluate the immunologic feasibility of CS-VCA through analysis of the solid organ transplant (SOT) literature, given the paucity of CS-VCA data. We hypothesize the rates of acute rejection (AR) and graft survival (GS) in CS vs. same-sex (SS)-SOT to be similar. METHODS:A systematic review and meta-analysis of the PubMed, EMBASE, and Cochrane databases were performed in accordance with PRISMA guidelines. Studies comparing GS or AR episodes in CS- and SS- adult kidney (KT) and liver transplant (LT) populations were included. Odds ratios were calculated for overall GS and AR for all SS and CS transplant combinations (male-to-female (MTF), female-to-male (FTM) and overall). RESULTS:A total of 693 articles were initially identified and 25 studies were included in the meta-analysis. No significant difference in GS was noted between SS-KT vs. CS-KT (OR 1.04 [1.00, 1.07]; P=0.07), SS-KT vs. MTF-KT (OR 0.97 [0.90, 1.04]; P=0.41) and SS-LT vs. MTF-LT (OR 0.95 [0.91, 1.00]; P=0.05). No significant difference in AR was noted between SS-KT vs. MTF-KT (OR 0.99 [0.96, 1.02]; P=0.57), SS-LT vs. CS-LT (OR 0.78 [0.53, 1.16]; P=0.22) and SS-LT vs. FTM-LT (OR 1.03 [0.95, 1.12]; P=0.47). For the remaining pairings, GS was significantly increased and AR was significantly decreased in the SS transplants. CONCLUSIONS:Published data suggest immunologic feasibility of CS-KT and CS-LT, with the potential for generalization to the VCA population. In theory, CS-VCA could expand the potential donor pool, leading to decreased wait times for recipients.

PURPOSE/OBJECTIVE:Nipple-areolar complex (NAC) viability remains a significant concern following prepectoral tissue expander (TE) reconstruction after nipple-sparing mastectomy (NSM). This study assesses the impact of intraoperative TE fill on NAC necrosis and identifies strategies for mitigating this risk. METHODS:A chart review of all consecutive, prepectoral TEs placed immediately after NSM was performed between March 2017 and December 2022 at a single center. Demographics, mastectomy weight, intraoperative TE fill, and complications were extracted for all patients. Partial NAC necrosis was defined as any thickness of skin loss including part of the NAC, whereas total NAC necrosis was defined as full-thickness skin loss involving the entirety of the NAC. P < 0.05 was considered statistically significant. RESULTS:Forty-six patients (83 breasts) with an average follow-up of 22 months were included. Women were on average 46 years old, nonsmoker (98%), and nondiabetic (100%) and had a body mass index of 23 kg/m2. All reconstructions were performed immediately following prophylactic mastectomies in 49% and therapeutic mastectomies in 51% of cases. Three breasts (4%) were radiated, and 15 patients (33%) received chemotherapy. Mean mastectomy weight was 346 ± 274 g, median intraoperative TE fill was 150 ± 225 mL, and median final TE fill was 350 ± 170 mL. Partial NAC necrosis occurred in 7 breasts (8%), and there were zero instances of complete NAC necrosis. On univariate analysis, partial NAC necrosis was not associated with any patient demographic or operative characteristics, including intraoperative TE fill. In multivariable models controlling for age, body mass index, mastectomy weight, prior breast surgery, and intraoperative TE fill, partial NAC necrosis was associated with lower body mass index (odds ratio, 0.53; confidence interval [CI], 0.29-0.98; P < 0.05) and higher mastectomy weight (odds ratio, 1.1; CI, 1.01-1.20; P < 0.05). Prior breast surgery approached significance, as those breasts had a 19.4 times higher odds of partial NAC necrosis (95% CI, 0.88-427.6; P = 0.06). CONCLUSIONS:Nipple-areolar complex necrosis following prepectoral TE reconstruction is a rare but serious complication. In this study of 83 breasts, 7 (8%) developed partial NAC necrosis, and all but one were able to be salvaged.

BACKGROUND:Plastic surgery training has undergone tremendous change and transitioned through many models over the years, including independent, combined, and integrated. This study evaluates how these changes and others have affected plastic surgery applicants' demographics and academic qualifications over the last 30 years. METHODS:Data on applicant demographics and academic qualifications were extracted from multiple sources including the National Resident Matching Program, the American Association of Medical Colleges, and cross-sectional surveys of plastic surgery applicants for the years 1992, 2005, 2011, and 2022. Data were compared using pairwise χ2 goodness of fit tests. RESULTS:The sex distribution of plastic surgery applicants changed significantly over the last 30 years: whereas men predominated in 1992 (86% male vs 14% female), by 2011, the distribution was nearly equal (54% male vs 46% female in both 2011 and 2022, P < 0.001).The racial makeup of applicants also changed over time (P < 0.05). White applicants decreased from 73% in 1992 to 55% in 2011, and 53% in 2022. While there was an increase in Asian (7% to > 17% to > 20%) and other (13% to > 14% to > 21%) applicants over time, whereas the proportion of Black applicants remained stagnant (5% to > 6% to > 8%).Applicants with prior general surgery experience declined precipitously over the years: 96% in 1992, 64% in 2005, 37% in 2011, and 26% in 2022 (P < 0.001). When compared with 1992, Alpha Omega Alpha status increased significantly in 2011 (36% vs 12%, P < 0.05) but did not change considerably in 2005 (22%) and 2022 (23%). Research experience increased dramatically over the years, with the proportion of applicants with at least one publication going from 43% in 1992, to 75% in 2005, to 89% in 2011, and to 99% in 2022 (P < 0.001). Applicant interest in academic plastic surgery did not change considerably over the years at roughly ranging from 30% to 50% of applicants (P = ns). CONCLUSIONS:There has been a shift in the demographics and academic qualifications of plastic surgery applicants over the last 3 decades. Understanding this evolution is critical for reviewing and evaluating the makeup of our specialty, and enacting changes to increase representation where necessary.

There is an ever-evolving need of customized, anatomic-specific grafting materials for bone regeneration. More specifically, biocompatible and osteoconductive materials, that may be configured dynamically to fit and fill defects, through the application of an external stimulus. The objective of this study was to establish a basis for the development of direct inkjet writing (DIW)-based shape memory polymer-ceramic composites for bone tissue regeneration applications and to establish material behavior under thermomechanical loading. Polymer-ceramic (polylactic acid [PLA]/β-tricalcium phosphate [β-TCP]) colloidal gels were prepared of different w/w ratios (90/10, 80/20, 70/30, 60/40, and 50/50) through polymer dissolution in acetone (15% w/v). Cytocompatibility was analyzed through Presto Blue assays. Rheological properties of the colloidal gels were measured to determine shear-thinning capabilities. Gels were then extruded through a custom-built DIW printer. Space filling constructs of the gels were printed and subjected to thermomechanical characterization to measure shape fixity (R_f) and shape recovery (R_r) ratios through five successive shape memory cycles. The polymer-ceramic composite gels exhibited shear-thinning capabilities for extrusion through a nozzle for DIW. A significant increase in cellular viability was observed with the addition of β-TCP particles within the polymer matrix relative to pure PLA. Shape memory effect in the printed constructs was repeatable up to 4 cycles followed by permanent deformation. While further research on scaffold macro-/micro-geometries, and engineered porosities are warranted, this proof-of-concept study suggested suitability of this polymer-ceramic material and the DIW 3D printing workflow for the production of customized, patient specific constructs for bone tissue engineering.

BACKGROUND/UNASSIGNED:Sexual health is critical to overall health, yet sexual history taking is challenging. LGBTQ+ patients face additional barriers due to cis/heteronormativity from the medical system. We aimed to develop and pilot test a novel sexual history questionnaire called the Sexual Health Intake (SHI) form for patients of diverse genders and sexualities. METHODS/UNASSIGNED:The SHI comprises four pictogram-based questions about sexual contact at the mouth, anus, vaginal canal, and penis. We enrolled 100 sexually active, English-speaking adults from a gender-affirming surgery clinic and urology clinic from November 2022 to April 2023. All surveys were completed in the office. Patients also answered five feedback questions and 15 questions from the Patient-Reported Outcomes Measurement Information System Sexual Function and Satisfaction (PROMIS-SexFS) survey as a validated comparator. RESULTS/UNASSIGNED:One hundred patients aged 19-86 years representing an array of racial/ethnic groups, gender identities, and sexuality completed the study. Forms of sexual contact varied widely and included all possible combinations asked by the SHI. Feedback questions were answered favorably in domains of clinical utility, inclusiveness of identity and anatomy, and comprehensiveness of forms of sexual behavior. The SHI captured more positive responses than PROMIS-SexFS in corresponding questions about specific types of sexual activity. The SHI also asks about forms of sexual contact that are not addressed by PROMIS-SexFS, such as penis-to-clitoris. CONCLUSIONS/UNASSIGNED:SHI is an inclusive, patient-directed tool to aid sexual history taking without cisnormative or heteronormative biases. The form was well received by a diverse group of participants and can be considered for use in the clinical setting.