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BACKGROUND: The aim of this study is to assess the rate of distal ulnar growth arrest following physeal fracture and to identify specific risk factors for premature physeal closure. METHODS: A retrospective review of patients with a distal ulnar physeal fracture was performed at a single United States children's hospital. Patients without 6-month follow-up were excluded. Patient demographics, injury characteristics, treatment, and outcomes were abstracted. Fractures were classified by the Salter-Harris (SH) system. All follow-up radiographs were reviewed for changes in ulnar variance or signs of premature physeal arrest. RESULTS: Fifty-six children with distal ulnar physeal fracture at a mean age of 10.7±3.3 years were included with a mean follow-up of 1.9 years. The most common fracture pattern was a SH II (52.7%), versus SH I (29.1%), SH III (9.1%), and SH IV (9.1%). Of displaced fractures (41.1%), the mean translation was 40.2±38.3% the and mean angulation was 24.8±20.9 degrees. Eleven fractures (19.6%) demonstrated radiographic signs of growth disturbance, including 3 patients (5.4%) with growth disturbance but continued longitudinal growth and 8 patients (14.3%) with complete growth arrest. The average ulnar variance was -3.4 mm. Three patients underwent subsequent surgical reconstruction including ulnar lengthening with an external fixator, distal ulna completion epiphysiodesis with distal radius epiphysiodesis, and ulnar corrective osteotomy. Patients with displaced fractures and SH III/IV fractures were more likely to develop a growth disturbance (34.8% vs. 3.2%, P =0.003; 50.0% vs. 11.1%, P =0.012, respectively). Children with less than 2 years of skeletal growth remaining at the time of injury had a higher risk of growth disturbance (46.2% vs. 9.5%, P =0.007). CONCLUSIONS: SH III and IV fractures are more common injury patterns in the distal ulna compared with the distal radius. Growth disturbance or growth arrest occurs in ~20% of distal ulnar physeal fractures. Displaced fractures, intra-articular fractures, fractures requiring open reduction, and older children are at increased risk of distal ulnar growth arrest and should be followed more closely. LEVEL OF EVIDENCE: Level IV--case series.

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INTRODUCTION: Synpolydactyly is a rare congenital anomaly characterized by syndactyly and polydactyly in the central hand. Limited treatment guidelines exist for this complex condition. METHODS: A retrospective review of synpolydactyly patients was conducted at a large, tertiary pediatric referral center to describe our surgical experience and evolution of management. The Wall classification system was used to categorize cases. RESULTS: Eleven patients (21 hands) with synpolydactyly were identified. Most of the patients were White and had at least one first-degree relative who also had synpolydactyly. The Wall classification yielded the following results: 7 type 1A hands, 4 type 2B hands, 6 type 3 hands, and 4 uncategorizable hands. Each patient had an average of 2.6 surgeries and an average follow-up time of 5.2 years. The rates of postoperative angulation and flexion deformities were 24% and 38%, respectively, with many of these cases also demonstrating preoperative alignment abnormalities. These cases often required additional surgeries including osteotomies, capsulectomies, and/or soft tissue releases. The rate of web creep was 14% with 2 of these patients requiring revision surgery. Despite these findings, at the time of final follow-up, most patients had favorable functional outcomes, were able to engage in bimanual tasks, and were able to perform activities of daily living independently. CONCLUSIONS: Synpolydactyly is a rare congenital hand anomaly with a significant degree of variability in clinical presentation. The rates of angulation and flexion deformities as well as web creep are not insignificant. We have learned to prioritize correcting contractures, angulation deformities, and skin fusion, over simply trying to delete the "extra" number of bones as this may destabilize the digit(s).

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PURPOSE: Ganglion cysts of the hand/wrist are frequently managed without surgery but can be treated with surgical excision if there is pain or dysfunction. No studies have examined the specific factors predictive of surgical treatment for pediatric patients. METHODS: This was a study of pediatric patients (≤18 years) with ganglion cysts of the hand/wrist seen between 2017 and 2019 at 2 institutions. Baseline demographic data were collected in addition to cyst characteristics, Wong-Baker pain scores, and Patient-Reported Outcomes Measurement Information System scores (pain, depression, upper extremity function, anxiety). Multivariable regression was used to determine the factors predictive of surgical intervention at ≥6 months of eligible follow-up. RESULTS: A total of 167 patients with a mean age of 10.1 ± 5.3 years were included for analysis. Forty-three (25.7%) underwent surgical excision of their ganglion cyst at means of 2.3 months after the initial visit and 12.6 months after cyst appearance. Sex and cyst location were similar between cohorts. Surgical patients were older (12.1 vs 9.4 years, respectively) and presented to the clinic later after an appearance (10.9 vs 6.5 months, respectively) compared to nonsurgical patients. Surgical patients also had higher pain scores at presentation (median, 3 vs 0, respectively). Cysts receiving surgery were larger than those without surgery (81.4% vs 55.3% >1 cm, respectively). Pain interference Patient-Reported Outcomes Measurement Information System scores were higher in the surgical than the nonsurgical group (45.2 vs 39.6, respectively). In a multivariable analysis, pain scores ≥4 (odds ratio, 3.4) were predictive of surgery for patients ≥3 years, whereas older age (odds ratio, 1.1) and a cyst size >1 cm (odds ratio, 3.3) predicted surgery across all patients. CONCLUSIONS: Pediatric patients with ganglion cysts who initially present at older ages with moderate/severe pain scores and larger cysts are more likely to ultimately choose surgical excision. Surgeons may observe a preference for earlier surgery in this subset of patients. TYPE OF STUDY/LEVEL OF EVIDENCE: Prognostic II.

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PURPOSE: Ganglion cysts are the most common mass of the hand or wrist. In adults, ganglions have a female predilection and are commonly located in the dorsal wrist. However, their presentation in children has not been well reported. This investigation sought to describe the presentation of pediatric ganglion cysts in a prospective cohort. METHODS: A multicenter prospective investigation of children (aged ≤18 years) who presented with ganglion cysts of the hand or wrist was conducted between 2017 and 2019. The data collected included age, sex, cyst location, hand dominance, pain, and patient-reported outcomes measurement information system (PROMIS) scores for upper-extremity (UE) function. The patients were divided into cohorts based on age, cyst location, and cyst size. Multivariable analyses were performed to identify factors predictive of worse UE function and higher pain scores. RESULTS: A total of 173 patients with a mean age of 10.1 ± 5.3 years and female-to-male ratio of 1.4:1 were enrolled. The dorsal wrist was the most commonly affected (49.7%), followed by the volar wrist (26.6%) and flexor tendon sheath (18.5%). In older patients, dorsal wrist ganglions were more common than tendon sheath cysts (11.9 ± 4.1 years vs 6.2 ± 5.8 years) and were larger (86.7% were >1 cm) than cysts in other locations (34.5% were >1 cm). Patients aged >10 years reported higher pain scores, with 21.5% of older patients reporting moderate/severe pain scores versus 5.0% of younger children. This cohort of patients had an average PROMIS UE function score of 47.4 ± 9.5, and lower PROMIS scores were associated with higher pain scores. CONCLUSIONS: Ganglions in pediatric populations, which most commonly affect the dorsal wrist, demonstrate a female predilection. In younger children, cysts are smaller and more often involve the volar wrist or flexor tendon sheath. Older children report higher pain scores. Pediatric ganglion cysts do not appear to result in a clinically meaningful decrease in UE function. TYPE OF STUDY/LEVEL OF EVIDENCE: Diagnostic II.

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BACKGROUND: The best methods to assess surgical knowledge are still debated. The authors used a non-multiple-choice test as a pre- and post-conference assessment to measure residents' knowledge gains with comparison to a standard summative assessment tool. METHODS: At one didactic conference, plastic surgery residents at a single institution were given a pre-test of drawing and labeling structures in the extensor mechanism of the finger and within the carpal tunnel. The quiz was followed by a lecture on the same material and a subsequent post-test. Scores were correlated with in-service exam performance. RESULTS: Pre-test scores (n = 13) were positively correlated with postgraduate year (PGY) until PGY-3. Performance on labeling structures was higher than performance on the respective drawing prompt. Residents' ability to label structures increased more strongly with PGY than their ability to draw structures. The post-test (n = 8) demonstrated that teaching improves performance on labeling questions (pre-test score = 62%; post-test score = 87%). Improvement was observed across all PGYs. Pretest results were positively correlated with in-service exam performance. CONCLUSIONS: Our study suggests that a knowledge test focused on drawing and labeling structures given to surgical residents is a valid, nontraditional method for assessing resident knowledge. Such a quiz would offer programs an alternative method for regularly evaluating residents aside from in-service questions, in order to identify residents who may need targeted training for the in-service exam and to inform teaching plans.Additionally, residents could use quiz feedback to guide study efforts and prime conference-related learning.

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BACKGROUND: Plastic surgeons in the United States are trained under 2 residency training models: integrated and independent. This study analyzes the variability of craniofacial surgery cases performed both between and within training models. METHODS: Case volume data from national data reports of 5 plastic surgery resident cohorts were analyzed (2011-2015). Craniofacial surgery case volumes across 4 major categories and 23 subcategories were compared between training models via t tests. Differences in intramodel variability were compared with F tests. Fold differences were calculated between mean case volumes and minimum requirements in craniofacial surgery. RESULTS: A total of 526 independent/combined (64%) and 292 integrated (36%) plastic surgery residents were included. Integrated residents reported more cases classified as congenital defect (118.8 ± 49.3 vs 110.3 ± 42.9, P = 0.013), neoplasm (202.0 ± 79.7 vs 163.2 ± 60.8, P < 0.001), and trauma (149.0 ± 61.8 vs 127.0 ± 52.0, P < 0.001), but not aesthetic (122.3 ± 68.6 vs 116.5 ± 50.5, P = 0.201). Integrated residents reported more case volume in 12 case subcategories, whereas independent/combined residents reported more cases in 3 case subcategories. Integrated residents had greater intramodel variability in 12 case subcategories, whereas independent/combined residents had greater intramodel variability in 2 case subcategories. Fold differences between mean case volumes and minimum requirements ranged from 1.8 times to 6.0 times. CONCLUSIONS: Integrated residents tended to report significantly more craniofacial surgery cases and exhibit greater intrapathway variability. More research is needed to understand the impact of disparate case volume on core competency training in craniofacial surgery during plastic surgery residency.

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As the field of vascularized composite allotransplantation continues to expand, new upper extremity transplant candidates are being considered. We recently evaluated a bilateral amputee who had a mid-forearm amputation and a contralateral metacarpal hand amputation. In the latter limb, a "partial" hand transplant that preserved the majority of the patient's existing hand, including a partially severed thumb with intact thenar muscle function, was proposed. The feasibility of this partial hand transplant was studied in fresh-frozen cadaver limbs. This report details the proposed approach, the cadaveric dissections, and the lessons learned from these dissections. Issues of osteosynthesis, microvascular planning, and intrinsic muscle recovery are discussed, all of which are critical considerations for partial hand transplant candidates. Ultimately, the partial hand approach was felt to be inferior to a more conventional distal forearm transplant in this particular candidate. Practical, functional, and ethical implications of such decision are presented.

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BACKGROUND: The purposes of this study were to (1) determine the proportion of plastic surgery residents pursuing subspecialty training relative to other surgical specialties, and (2) analyze trends in Accreditation Council for Graduate Medical Education accreditation of plastic surgery subspecialty fellowship programs. METHODS: The American Medical Association provided data on career intentions of surgical chief residents graduating from 2014 to 2016. The percentage of residents pursuing fellowship training was compared by specialty. Trends in the proportion of accredited fellowship programs in craniofacial surgery, hand surgery, and microsurgery were analyzed. The percentage of accredited programs was compared between subspecialties with added-certification options (hand surgery) and subspecialties without added-certification options (craniofacial surgery and microsurgery). RESULTS: Most integrated and independent plastic surgery residents pursued fellowship training (61.8 percent versus 49.6 percent; p = 0.014). Differences existed by specialty from a high in orthopedic surgery (90.8 percent) to a low in colon and rectal surgery (3.2 percent). From 2005 to 2015, the percentage of accredited craniofacial fellowship programs increased, but was not significant (from 27.8 percent to 33.3 percent; p = 0.386). For hand surgery, the proportion of accredited programs that were plastic surgery (p = 0.755) and orthopedic surgery (p = 0.253) was stable, whereas general surgery decreased (p = 0.010). Subspecialty areas with added-certification options had more accredited fellowships than those without (100 percent versus 19.2 percent; p < 0.001). CONCLUSION: There has been slow adoption of accreditation among plastic surgery subspecialty fellowships, but added-certification options appear to be highly correlated.

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BACKGROUND: Recent studies have demonstrated low levels of National Institutes of Health funding for surgical research. The authors compared the funding in plastic surgery with the funding for other surgical specialties. METHODS: A query of National Institutes of Health grants awarded to departments of surgical specialties was performed using the National Institutes of Health RePORTER database (2008 to 2016). Trends in funding were compared by specialty and adjusted for the number of active physicians in each specialty. Plastic surgery residency program characteristics were correlated with funding procurement. RESULTS: Eight hundred eighty-nine faculty at 94 plastic surgery residency programs were queried. Forty-eight investigators (5.4 percent) at 23 programs (24.4 percent) had National Institutes of Health funding. From 2008 to 2016, a total of $84,142,138 was awarded through 81 grants. Funding supported translational (44.6 percent), clinical (26.4 percent), basic science (27.2 percent), and educational (1.7 percent) research. In 2016, plastic surgery received the least amount of National Institutes of Health funding per active physician ($1,530) relative to orthopedic surgery ($3124), obstetrics and gynecology ($3885), urology ($5943), otolaryngology ($9999), general surgery ($11,649), ophthalmology ($11,933), and neurologic surgery ($20,874). Plastic surgery residency program characteristics associated with National Institutes of Health funding were high ranking and had more than 10 clinical faculty (p < 0.05). CONCLUSIONS: Plastic surgery receives the least National Institutes of Health funding among the surgical specialties. Departments and divisions of plastic surgery should support investigators applying for research grants to increase future National Institutes of Health funding.

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Radial longitudinal deficiency (RLD) is the most common congenital longitudinal deficiency at birth and represents a wide spectrum of upper extremity anomalies, from mild thumb hypoplasia to absent radius. Radial dysplasia may be isolated or associated with an array of systemic anomalies that should be familiar to pediatric hand surgeons. The management of RLD has evolved greatly since its inception in the late 19th century, largely due to decades of innovation that followed the thalidomide catastrophe of the 1960s. Yet controversy still exists regarding many aspects of RLD. Traditional treatments of radial dysplasia (ie, centralization) are unfortunately wrought with poor outcomes and high rates of recurrence, leading some authors to recommend alternative techniques for this condition. Reconstruction of the hypoplastic thumb, although less controversial, is just starting to see long-term outcomes. This article reviews the etiology, classification, and treatment options for RLD, highlighting recent developments and outcomes.

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PURPOSE: To characterize the clinical presentation, common pathogens, antimicrobial susceptibility, and treatment methods associated with pyogenic flexor tenosynovitis (PFT) in pediatric patients. METHODS: Patients who underwent surgical treatment for PFT at a large tertiary-care children's hospital between 2001 and 2015 were identified. Descriptive summary statistics were reported on patient demographics, presenting symptoms and clinical examination features, culture results, treatment strategies, and early complications. RESULTS: Thirty-two patients (71.9% male) with a mean age of 9.5 ± 5.5 years (range, 0.8-19 years) were included. At least 3 Kanavel signs were present on presentation in 62% of the cohort, with all 4 signs identified in 34%. Three children (9%) presented with 0 to 1 Kanavel signs, with semiflexed posturing of the digit as the least commonly (41%) manifested sign. The most frequently cultured organisms were methicillin-resistant Staphylococcus aureus (MRSA) (38%), methicillin-sensitive S. aureus (22%), and Pasteurella multocida (13%). Multiple organisms were cultured in 19% of cases. Intravenous antibiotics were administered for a median duration of 4 days (range, 1-16 days) in all cases. Organisms were sensitive to the initial antibiotic regimen in 81% of cases. All methicillin-resistant S. aureus infections were sensitive to vancomycin and trimethroprim-sulfamethoxazole, and 83% were sensitive to clindamycin. Incision and drainage (I&D) was performed in all cases, with 18% of patients requiring repeat I&D. Surgical approaches included limited incision (80%), midaxial incision (13%), and Bruner incision (7%). The average length of hospitalization was 5.1 days. Infection resolved in all cases without readmission. No neurovascular complications were identified. CONCLUSIONS: The presence of Kanavel signs at presentation are a meaningful indicator of PFT, but are not uniformly present on examination in children and adolescents. Owing to the prevalence of antimicrobial resistance and polymicrobial infection, empirical antibiotic therapy using broad-spectrum agents with MRSA coverage is essential. In our cohort of pediatric patients with PFT of sufficient severity to warrant surgical management, prompt I&D along with culture-guided antibiotics predictably resolves infection. TYPE OF STUDY/LEVEL OF EVIDENCE: Therapeutic IV.

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BACKGROUND: Few studies in surgery have addressed medical knowledge competency training as defined by the Accreditation Council for Graduate Medical Education. As in-training examinations are ubiquitous educational tools for surgical residents in the United States, insights into examination performance may help fill this void. The purpose of this study was to determine the relationship between In-Service Examination performance and training characteristics in plastic surgery. METHODS: This retrospective cohort study reviewed performance data for the Plastic Surgery In-Service Training Examination for the years 2012 to 2015. Comparisons were made both within and between training pathways by means of Kruskal-Wallis and Mann-Whitney U tests. RESULTS: Data were available for 1367 independent (37.9 percent) and 2240 integrated residents (62.1 percent). Among integrated residents, performance increased with additional years of training (p < 0.001), but no difference existed between postgraduate year-5 and postgraduate year-6 residents (p > 0.05). Similarly, independent resident examination performance increased by year of training (p < 0.001), with no difference between postgraduate year-2 and postgraduate year-3 residents (p > 0.05). At each level of training (postgraduate years 4 to 6), integrated residents outperformed their independent resident colleagues (postgraduate years 1 to 3) (p < 0.001). CONCLUSIONS: Performance on the Plastic Surgery In-Service Training Examination increases during residency, with integrated residents outperforming independent residents. These findings may have implications for medical knowledge competency training as defined by the Accreditation Council for Graduate Medical Education.

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BACKGROUND: Decreasing funding rates and increasing competition for National Institutes of Health research grants have prompted diverse interventions in various fields of biomedicine. Currently, the state of National Institutes of Health funding for plastic surgery research is poorly understood. The purpose of this study was to describe the portfolio of National Institutes of Health grants in academic plastic surgery. METHODS: Plastic surgery faculty at integrated and independent programs were queried individually in the National Institutes of Health RePORTER database for grants awarded in 2014. Funding totals, mechanisms, and institutes were calculated. Abstracts were categorized by research type and field of interest. Characteristics of National Institutes of Health-funded principal investigators were elucidated. RESULTS: Eight hundred sixty-one academic plastic surgeons at 94 programs were queried, and only 18 investigators (2.1 percent) were funded at 12 programs (12.8 percent). National Institutes of Health-funded investigators were predominately male (72 percent), fellowship-trained (61 percent), and aged 49.3 ± 7.8 years. A total of 20 awards amounted to $6,916,886, with an average award of $345,844 ± $222,909. Costs were primarily awarded through the R01 mechanism (77.2 percent). The top three National Institutes of Health institutes awarded 72.9 percent of the entire portfolio. Funding supported clinical (41.1 percent), translational (36.9 percent), and basic science (22.0 percent) research. Craniofacial (20.5 percent), hand (18.7 percent), and breast (16.2 percent) had the greatest funding. CONCLUSIONS: Few programs and faculty drive the National Institutes of Health portfolio of plastic surgery research. These data suggest a tenuous funding situation that may be susceptible to future spending cuts. Future research is needed to identify barriers to National Institutes of Health funding procurement in academic plastic surgery.

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BACKGROUND: The Plastic Surgery In-Service Training Exam is written by the American Society of Plastic Surgeons. Examinees reasonably infer that tested material reflects the Society's vision for the core curriculum in plastic surgery. The purpose of this study was to determine the levels of evidence on which credited answers to the examination questions are based. METHODS: Two recent Plastic Surgery In-Service Training Exams (2014 and 2015) were analyzed. Questions were categorized using a taxonomy model. Recommended journal article references for Level III (decision-making) questions were assigned a level of evidence. Exam sections were analyzed for differences in question taxonomy distribution and level of evidence. To look for studies with higher levels of evidence, a PubMed search was conducted for a random sample of 10 questions from each section. RESULTS: One hundred three Level I (25.8 percent), 138 Level II (34.5 percent), and 159 Level III (39.8 percent) questions were analyzed (p < 0.001). The hand and lower extremity section had the highest percentage of Level III questions (50.0 percent; p = 0.005). Journal articles had a mean level of evidence of 3.9 ± 0.7. The number of articles with a low level of evidence (IV and V) (p = 0.624) and the percentage of questions supported by articles with a high level of evidence (I and II) (p = 0.406) did not vary by section. The PubMed search revealed no instances of a higher level of evidence than the recommended reading list. CONCLUSIONS: A significant percentage of Plastic Surgery In-Service Training Exam questions test clinical management, but most are supported with a low level of evidence. Although that is consistent with low level of evidence of plastic surgery literature, educators should recognize the potential for biases of question writers.

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Vascularized composite allotransplantion requires careful planning and precise execution. The Director of the Hand Transplant Program must coordinate many personnel including nurses, anesthesiologists, transplant coordinators, surgeons, support staff, and hospital administrators. The operation is performed only after surgical rehearsal has reinforced the specialized role of each of these team members and the workflow of equipment and personnel has been optimized.

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OBJECTIVES: Pediatric lower extremity (LE) vascular injuries present many issues: microvascular surgeons are usually unavailable to stand-alone pediatric institutions, and the rate of morbidity including limb loss can be high if revascularization is delayed beyond the critical period of 8 hours. We assessed if time to revascularization was impacted by institution of a lower extremity vascular trauma protocol (LEVP). DESIGN: Level II retrospective prognostic. SETTING: Level I pediatric trauma center. PATIENTS/PARTICIPANTS: Pediatric patients presenting with ischemic lower extremities requiring urgent management (2000-2013). INTERVENTION: LEVP-a team of specialized microvascular surgeons, who have developed and manage a call schedule for our pediatric trauma center to offer care 24 h-1·d-1, 7 d-1·wk-1, and 365 d-1·y-1 to our children's hospital. MAIN OUTCOME MEASUREMENTS: Treatment team expertise, time to revascularization, and use of time-delaying preoperative radiographic vascular studies performed before and after initiation of LEVP. RESULTS: We identified 22 patients with ischemic LEs (16 patients treated before/6 patients treated after LEVP initiation). Mean time from admission to definitive vascular care was 6.4 hours preprotocol (20% > 8 hours)/4.6 hours postprotocol (0% > 8 hours). Before protocol initiation, 38% of LE vascular injuries were treated by LE microvascular repair-capable surgeons, and 37.5% had a preoperative radiographic vascular study compared with 100% and 0%, respectively, postprotocol initiation. Before protocol initiation, 37.5% had a preoperative radiographic vascular study compared with 0% after protocol initiation. CONCLUSIONS: Since LEVP initiation, we have required no preoperative radiographic vascular studies, there has not been a revascularization delay of >8 hours, and with appropriate staff surgeon coverage, the flow of care has improved with the new ability to address and care for these challenging injuries. To potentially improve the timeliness of vascular care and better match the skills of the practitioner to the injury, pediatric centers should consider implementation of an LEVP within their institutions. LEVEL OF EVIDENCE: Therapeutic Level III. See Instructions for Authors for a complete description of levels of evidence.

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The field of vascularized composite allotransplantation has developed for more than a decade. Investigators are defining patient selection criteria, transplant indications, immunologic regimens, and tolerance. The majority of the current reported hand transplantations have been for treatment of distal forearm or hand amputations. In more proximal amputees, the functional outcome of the transplanted arm has some unique variables that require a different surgical approach. We present a single case of bilateral proximal forearm transplantation in effort to describe the unique technical considerations in this complex procedure. The surgical procedure is described in detail. At 19 months, our patient had 4/5 strength of finger and thumb flexors and protective extensor as well as 4/5 wrist flexors and extensors. Our patient had recovery of sensation. Our patient now lives independently and does her lower extremity prosthesis independently using her hands. These results are expected to continue to improve with more time. In hand transplantation, functional results have been very promising. The described approach of forearm transplantation allows the transfer of the entire functional unit, which should optimize the ultimate outcome for these more proximal injuries.

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