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Background Capsular contracture (CC) is a common long-term complication following prosthetic-based breast reconstruction (PBBR). Seven cases of CC following mRNA vaccination for coronavirus 2019 (COVID-19) are reported in the literature. Objectives The aim of this study was to determine whether receiving the COVID-19 vaccine was associated with CC development following PBBR. Methods A retrospective, multicenter nested case-control study was performed from January 2014 to July 2022 of adult female patients who underwent PBBR with acellular dermal matrix placement. Cases of CC were selected if no adjuvant radiation was received and they presented for follow-up between December 2020 and July 2022. Controls included patients who met inclusion criteria but who did not experience CC in either breast. Patient demographics, breast cancer characteristics, reconstructive surgery details, postoperative complications, and COVID-19 exposure details were analyzed and correlated with CC development. Results Of a total of 230 patients (393 breasts) who received PBBR, 85 patients (135 breasts) met inclusion criteria, of whom 12 patients (19 breasts) developed CC and 73 patients (116 breasts) did not. At the time of median follow-up of 18.1 months (n = 85; interquartile range, 12.2-33.6 months), no statistically significant differences were observed between the short- or long-term complications in cases or controls. There were no significant differences in COVID-19 vaccination status, number of vaccine doses, or vaccination type between cases and controls. Vaccination status was not associated with greater odds of CC development (odds ratio, 1.44; 95% CI, 0.42-5.37; P > .05). Conclusions Direct association between CC and COVID-19 vaccination is difficult to prove. Given the known risk of severe COVID-19 infection among immunocompromised patients, those with breast cancer who undergo PBBR should be properly counseled on the benefits and risks of vaccination. Level of Evidence: 4

Objective To date, no reports have been published on active Leptospermum manuka honey (ALH) feasibility as a postoperative topical wound supplement in neurosurgical patients. The objective of the study is to present the authors' initial experience with using ALH in postoperative neurosurgical patients. Methods A single-surgeon retrospective case series review of cranial and spinal operations between 2018 and 2020 was performed in patients with nonhealing wounds or wounds deemed "at risk" as defined by grade 1 Sandy surgical wound dehiscence grading classification. An ALH gel or ointment was applied to these incisions once a day for 2 to 4 weeks. Patients were followed up in the clinic every 2 weeks until incisions had healed. Results Twenty-five postoperative patients (12 cranial, 13 spinal) were identified to be at high risk of operative debridement. All 25 patients were prescribed a topical application of ALH, which was easily adopted without patient-related adverse events. Seven (four cranial, three spinal) patients required operative debridement and treatment with long-term antibiotic therapy. Conclusions In this small case series of neurosurgical patients who were at risk of poor wound healing, the application of medical-grade ALH was well tolerated without patient-reported adverse events. The ALH may have prevented the need for operative debridement in the majority of patients. Further prospective studies are necessary to establish its efficacy in wound healing in the neurosurgical population.

Background: Firework injuries to the hand can be devastating due to the explosive and ballistic nature of these devices. The aim of this study was to describe the injury and treatment characteristics of patients requiring surgery for firework-related hand injuries and to investigate which factors are associated with an increased utilization of health care resources. Methods: A retrospective chart review of patients undergoing surgery for firework-related hand injuries at two American College of Surgeons level I trauma centers between 2005 and 2016 was performed. Twenty cases were identified. These patients were evaluated for demographics, injury characteristics, number and types of surgical interventions, length of stay, and utilization of health care resources. Bivariate analyses were performed to investigate which factors were associated with increased consumption of health care resources. Results: Injuries ranged from digital nerve injuries to traumatic amputation. Patients underwent a median of 3 surgical operations. More than half the patients underwent flap or skin graft coverage of a soft tissue defect. The median length of hospital stay was 7 days. Factors found to be associated with an increased utilization of surgical and hospital resources included a first web space injury, thumb fracture, and traumatic amputation of any digit. Conclusions: The morbidity inflicted by firework injuries to individual patients is substantial. Patients with severe injuries undergo a median of three surgical operations and have a long duration of initial hospital stay. Knowing which factors are associated with an increased utilization of resources can help prognosticate these preventable injuries.

IMPORTANCETumescent local anesthesia (TLA, whereby anesthesia is achieved by injection of a highly diluted solution of local anesthesia into skin and subcutaneous tissues) is a technique for delivering anesthesia for superficial surgical procedures. TLA obviates the need for general anesthesia or intravenous sedation in most cases. Pain control and TLA-related complications are key factors in determining the success of TLA.OBJECTIVETo conduct a systematic review of the English medical literature’s data regarding pain control and TLA-related complications in TLA surgical cases to determine its efficacy and safetyEVIDENCE REVIEWThe review was performed in accordance with the Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines (PRISMA). Searches of both the MEDLINE and EMBASE databases were performed. Articles using 10-point quantitative scales were included in the pain analysis. Complications were tabulated from cohort studies, case series, and case reports. A total of 184 articles cotaining reports of 71,483 surgical procedures met inclusion criteria, including 43 with pain outcomes and 141 reporting complications.FINDINGSLiposuction procedures were associated with relatively low degree of both intraoperative pain (10-point visual analog scale 1.1 ± 2.1) and post-operative pain (0.53 ± 0.44) and the fewest complications (1.2%). The highest intra-operative and post-operative pain was reported in facial/cleft-lip surgery (3.7 and 3.99, respectively), while mastectomy was associated with highest post-operative complication risk (20.8%). There were 8 reported cases of death unlikely related to TLA: pulmonary embolus (4 cases), complications related to concurrent general anesthesia (2 cases), hemorrhage, and visceral perforation. There were 5 reported cases of death related to TLA (lidocaine/bupivacaine toxicity in 4 cases and one case of fluid overload) during its development when optimal dose and volume parameters were being established. There have been no TLA-associated deaths reported in the 33,429 cases published since 2003.CONCLUSIONS AND RELEVANCEThis systematic review demonstrates TLA to be a safe and effective anesthetic approach. Its low-cost and rapid patient recovery warrant further studies of cost-reduction and patient satisfaction. Expanded education of TLA techniques in surgical and anesthesia training programs may be considered to broaden patient access to this anesthetic modality for cutaneous and subcutaneous surgical procedures.Key PointsQuestionIs TLA an effective and safe local anesthetic technique for pain management during surgical procedures?FindingsIn this review of 157 publications, TLA was a safe and effective anesthetic approach. The least pain and fewest complications were in liposuction procedures. The highest postoperative complication risk was with mastectomy. Though five TLA-related deaths were reported in early liposuction cases, there have been no deaths in the 33,429 TLA cases published since 2003.MeaningTLA is an effective and safe anesthetic technique which enables cutaneous and subcutaneous surgery to be performed in office-based settings with high safety and low cost.

Background: A skin-sparing approach for the treatment of necrotizing soft-tissue infections (NSTIs) removes necrotic tissue planes while leaving viable overlying skin. Subsequent closure of the spa...

This case report demonstrates an important supermicrosurgical technique for lymphedema, which was established by Isao Koshima in 1994. So far, over 2,000 cases of limb edema have been treated by this surgical method.

Infantile hemangiomas (IHs) are the most common benign tumors of infancy and occur with greater than 60% prevalence on the head and neck. Despite their prevalence, little is known about the pathogenesis of this disease. Given the predilection of hemangioma incidence on the face and its nonrandom distribution on embryological fusion plates, we postulated that IHs are derived from pericytes of the neural crest. We performed an analysis on 15 specimens at various stages of the IH progression. Experiments performed included immunohistochemical staining, immunofluorescent staining, quantitative real-time polymerase chain reaction, and flow cytometry. We analyzed a number of cell markers using these methods, including cell markers for the neural crest, pericytes, endothelial cells, stem cells, and the placenta. We observed that neural crest markers such as NG2 and nestin were expressed in the hemangioma samples, in addition tomultiple pericytes markers including δ-like kinase, smooth muscle actin, calponin, and CD90. Stem cell markers such as c-myc, oct4, nanog, and sox2 were also more highly expressed in hemangioma samples compared to controls. Our work demonstrates that hemangiomas express pericyte, neural crest, and stem cell markers suggesting a possible pathogenetic mechanism.

Introduction Cutaneous melanoma is on the rise in the United States, and the head and neck region is the primary site in 20% of patients. Lymph node status is the best indicator of prognosis for melanoma. In the head and neck, sentinel lymph node (SLN) biopsy presents particular challenges, with the parotid region posing difficulties that include locating the lymph nodes, less frequent visualization of blue dye, and the possibility of higher morbidity because of the proximity of lymph nodes to important neurovascular structures. Surgical approaches to the SLN dissection in the parotid region are variable, and may include superficial or total parotidectomies. Parotid-sparing SLN biopsies for head and neck melanomas were evaluated to determine rates of local recurrence. Methods The charts of 301 patients from the Yale Melanoma Unit who underwent resection of their head and neck melanoma were reviewed. The location of the primary melanoma was noted, and the sentinel lymph node dissections from the operative reports were documented. Demographic and outcome data were recorded, including course of melanoma management, local recurrence, and postoperative course. Results Fifty-eight patients underwent SLN biopsy of lymph nodes in the parotid region. Parotid-sparing SLN biopsies comprised 94.8% of total surgical approaches for SLN biopsies in the parotid region. Of the remaining patients who underwent SLN biopsies in the parotid region, 5.17% had a superficial parotidectomy and none had a total parotidectomy. Sentinel lymph nodes were found in all depth layers of the parotid, and LNs were dissected out successfully without the need to remove the parotid in the most cases. The parotid region recurrence rate was 0% for SLN biopsies that either included or spared the parotid gland. There were no localized complications from the sentinel lymph node biopsies. Conclusions The parotid-sparing SLN biopsy was performed without any local recurrence in the parotid region. The parotid-sparing SLN biopsy can be carried out in a safe, efficient manner without affecting the rate of local recurrence or postoperative complication. This less-invasive SLN biopsy procedure precludes the complications associated with parotidectomies and may reduce the morbidity for patients with melanomas of the head and neck.

INTRODUCTION Excision of regional lymph nodes (LNs) in the neck as part of the management for tumors of the head and neck dates back to the 19th century. Crile originally reported the technique of performing a radical neck block dissection in 1905, with notable modifications to the extensive dissection reported throughout the 20th century by Suarez, Ballantyne, Ariyan, and Shah among others. These modifications have aimed to reduce the morbidity encountered by performing the radical neck dissection while balancing the need to remove diseased structures in the head and neck. In this report, we evaluate the outcomes of performing a functional radical neck dissection while sparing the level I LNs as indicated by lymphoscintigraphy. METHODS The charts of patients from the Yale Melanoma Unit who underwent resection of their head and neck melanoma from January 2000 to December 2006 were reviewed. The location of the primary melanoma and clinical course was noted. Those patients who underwent neck dissections were documented and the extent of the dissections from the operative reports was noted. Demographic and outcome data were recorded, including clinical course of melanoma presentation, local recurrence, and postoperative management. Student t test and χ tests were used to determine statistical significance between groups. P values less than 0.05 were considered statistically significant. RESULTS A total of 41 patients who were documented to have had a head and neck primary melanoma underwent a functional radical neck dissection. Level I dissections were deemed necessary in 39% of these cases, whereas 61% of patients received functional radical neck dissections with sparing of level I LNs. Specific recurrence of melanoma in the submandibular basin was equivocal for LN sparing dissections (n=1) as compared to excision of level I LNs (n=1) (4% vs 6.25%, P=0.488). Follow-up metastatic rates between the 2 groups were also comparable (44% vs 56%, P=0.328). Overall metastatic rate in follow-up for all patients undergoing LN dissection was 48.8%. There was no statistically significant difference between the average age of patients at diagnosis, Breslow depth, Clark level, and staging between patients who underwent functional radical neck dissections with either excision or sparing of level I LNs. CONCLUSIONS Clinical and pathological presentation between patients who needed level I sparing dissections and those who did not, failed to demonstrate a statistically significant difference allowing for an adequate comparison. Our results indicate that if lymphoscintigraphy does not show drainage to level I LNs, the functional radical neck dissection can be tailored to spare level I LNs without affecting local recurrence. When not indicated by lymphoscintigram, sparing of level I nodes can be performed safely without changing clinical outcomes, while saving operating room time and minimizing potential damage to the buccal branch of facial nerve and the submandiblular gland.

A retrospective chart analysis was performed of 66 patients with bilateral carpal tunnel syndrome (CTS) who underwent either single endoscopic carpal tunnel release (ECTR) or staged bilateral ECTR to determine the frequency and timing of contralateral surgery. Bilateral CTS patients with contralateral severe CTS underwent bilateral staged ECTR 86% of the time and the second operation was performed 6 ± 5 weeks after the initial ECTR. Patients with contralateral moderate CTS underwent bilateral staged ECTR 74% of the time with a mean of 11 ± 3 months between operations. Patients with contralateral mild CTS underwent bilateral staged ECTR 20% of the time and averaged 7 ± 3 years between procedures. For patients with bilateral CTS, the severity of CTS on the contralateral side to the initial release affects both the frequency and timing of the contralateral surgery. This information may be used to establish guidelines for treatment with bilateral simultaneous CTR.