Utility of preoperative MRI for assessing proximal fragment vascularity in scaphoid nonunion.

Aims: The benefit of MRI in the preoperative assessment of scaphoid proximal fragment vascularity remains controversial. The purpose of this study is to compare preoperative MRI findings to intraoperative bleeding of the proximal scaphoid. Methods: A retrospective review of 102 patients who underwent surgery for scaphoid nonunion between January 2000 and December 2020 at a single institution were identified. Inclusion criteria were: isolated scaphoid nonunion; preoperative MRI assessing the proximal fragment vascularity; and operative details of the vascularity of the proximal fragment with the tourniquet deflated. MRI results and intraoperative findings were dichotomized as either 'yes' or 'no' for the presence of vascularity. A four-fold contingency table was used to analyze the utility of preoperative MRI with 95% confidence intervals. Relative risk was calculated for subgroups to analyze the association between variables and MRI accuracy. Results: Preoperative MRI identified 55 proximal scaphoid fragments with ischaemia and 47 with vascularized proximal fragments. After the proximal fragment was prepared, the tourniquet was deflated and assessed for bleeding; 63 proximal fragments had no bleeding and 39 demonstrated bleeding. MRI was not reliable or accurate in the assessment of proximal fragment vascularity when compared with intraoperative assessment of bleeding. No patient or MRI factors were identified to have a statistical impact on MRI accuracy. Conclusion: Current preoperative MRI protocols and diagnostic criteria do not provide a high degree of correlation with observed intraoperative assessment of proximal fragment bleeding. While preoperative MRI may assist in surgical planning, intraoperative assessment remains the best means for assessing proximal fragment vascularity in scaphoid nonunion. Future efforts should focus on the development of objective measures of osseous blood flow that may be performed intraoperatively.

Validating Clinical Distal Radioulnar Joint Examination With Radiographic Parameters.

BACKGROUND: The purpose of this study was to quantify the in vivo displacement of bilateral distal radioulnar joints (DRUJs) in resisted pronosupination. We hypothesize that this will demonstrate no appreciable difference between the left and right DRUJ, thus validating the concept of using the uninjured wrist as a control for physical examination as well as dynamic imaging studies. METHODS: Thirty-two participants without a history of wrist pathology underwent a dynamic computed tomography (CT) protocol evaluating bilateral forearm rotation in neutral forearm rotation, 60° pronation, and 60° supination, including maximal isometric muscle loading. The DRUJ alignment, specifically the absolute degree and direction of subluxation of the ulna relative to the sigmoid notch, was then assessed using a modification of the radioulnar line method. RESULTS: There was no significant difference in the mean displacement when comparing the right and left sides in neutral, pronation, or supination. The mean displacement was also compared between male and female patients, and there was no statistically significant difference in absolute displacement in neutral (male 0.99 mm vs female 1.38 mm) or supination (male -0.57 mm vs female -0.23 mm). However, the difference in pronation was statistically significant (male 2.69 mm vs female 3.26 mm). Of the 192 sequences, the measurements of displacement of the authors were within 1 mm 86% of the time (166 of 192). CONCLUSIONS: Dynamic CT of bilateral DRUJs in resisted pronation, supination, and neutral demonstrated symmetry between the right and left DRUJ, supporting the concept of using the contralateral side as a control to identify instability in an injured wrist.

The Plastic Surgery In-service Training Examination: An In-depth Reference Analysis.

The goal of this study was to characterize the references provided as supporting evidence of the Plastic Surgery In-service Training Examination (PSITE) syllabi, including those on the novel "core surgical principles" section. METHODS: We analyzed the references from five consecutive PSITE Examination syllabi (2016-2020). We collected the following information from each question: question section, total number of references, and source of publication of each reference. RESULTS: We analyzed 1250 questions and 3436 references. Plastic and Reconstruction Surgery was overall the most frequently referenced journal followed by Journal of Hand Surgery (American Volume) and Annals of Plastic Surgery. The most commonly referenced textbooks were Plastic Surgery (by Neligan), Green's Operative Hand Surgery, and Grabb and Smith's Plastic Surgery. Regarding the "core surgical principles" section, Plastic and Reconstruction Surgery remained the most frequently cited journal, followed by the Journal of the American Medical Association, New England Journal of Medicine, Annals, and Aesthetic Surgery Journal. "Core surgical principles" contained the largest number of unique journals (n = 209) among all test sections. Within the "core" section, Statistics in Medicine was the most frequently referenced textbook followed by Grabb and Smith's Plastic Surgery. CONCLUSIONS: The main plastic surgery texts and literature were used to support approximately half of the answers within the "core surgical principles" section. The references within this section originated from the largest number of different journals, thus highlighting the breadth and variety of this content and the challenges in preparing for this section.

The Medial Femoral Condyle Free Flap for Reconstruction of Recalcitrant Defects in the Head and Neck.

BACKGROUND: Small recalcitrant defects of the mandible and maxilla may be secondary to tumor, trauma, infection, and congenital origin. Vascularized bone grafting has been shown to effectively manage these defects; however, donor sites are limited. The vascularized medial femoral condyle (MFC) provides adequate cortical cancellous bone with the option of a skin island, consistent anatomy, and minimal donor site morbidity. This article outlines the use of the MFC flap for maxillomandibular reconstruction. METHODS: A retrospective chart review of patients who required segmental maxillomandibular reconstruction with the MFC flap was conducted. A total of 9 patients (5 men and 5 women) with an average age of 45.3 years were identified. The etiology of the defects, flap sizes, and postoperative outcomes were recorded. RESULTS: Three patients had osteoradionecrosis of the neomandible after irradiation of the free fibula reconstruction, 3 patients had defects after cancer extirpation (1 mandible, 2 maxillary), 1 patient had a maxillary defect from trauma, and 2 patients had a residual cleft palate defect. All defects failed initial treatment with nonvascularized bone grafts. The average dimensions of the MFC flaps were 1.2 × 2.5 × 4 cm. Two of 9 flaps included a skin island. Eight flaps survived completely, but 1 patient suffered from flap failure requiring debridement and resulted in an oroantral fistula. Four patients received endosseous dental implants. Average time to union was 6.7 months, and average time to implant was 6.75 months. The average follow-up time was 24.9 months. CONCLUSIONS: The MFC flap is useful in the reconstruction of small segmental maxillomandibular defects and for the salvage of a neomandible after osteoradionecrosis. The MFC flap provides a reliable platform for endosseous dental implants and serves as an alternative source of vascularized bone reconstruction in the head and neck.

Dual innervation of free gracilis muscle for facial reanimation: What we know so far.

BACKGROUND: In the last decade, some institutions have begun combining the CFNG and masseteric nerve to provide dual innervation to the gracilis muscle for dynamic facial reanimation in facial paralysis patients. We reviewed the various ways that these two nerves have been coapted to provide dual innervation, and summarized the functional outcome for these methods. METHODS: A search of the Ovid EMBASE, MEDLINE, Cochrane, and Scopus databases was performed from 1946 to May 2019 for dual innervation of gracilis muscle using CFNG plus masseteric nerve for facial reanimation. RESULTS: A total of 184 articles were identified in the initial search, of which seven met our inclusion criteria. Three additional abstracts with 43 patients were identified but the level of details was not sufficient to include the results in the analysis. A total of 57 patients were reviewed (mean age of 42.1 years (6-79 years)). The majority of dual innervation procedures were performed using the ipsilateral masseteric nerve sutured end-to-end to the obturator nerve, and an additional CFNG connected end-to-side to the obturator nerve. In the 26 patients with Terzis scores available, there were no differences between masseteric nerve coapted end-to-end and CFNG as end-to-side to the obturator, or the reverse coaptation. All but two patients achieved function of the gracilis activated by the masseteric nerve within 2-5 months. CONCLUSIONS: This review shows that dual innervation of the gracilis is safe; and in some cases, does appear to provide early onset gracilis activation as well as an eventual spontaneous smile.

Is Rural Plastic Surgery Feasible and Important?: A Survey and Review of the Literature.

BACKGROUND: There is little written about the scope of rural plastic surgery within the United States. Approximately 25 million people do not have immediate access to a plastic surgeon. Most areas are designated as rural, and this lack of specialty care can result in suboptimal care. Physicians are more likely to move to a rural area if they have prior life experience with rural areas, but exposure to rural plastic surgery in residency training is scarce. We attempted to examine the practice characteristics of rural plastic surgeons within the United States to (a) to better define the average rural plastic surgery practice and (b) to highlight the broad scope of practice of the rural plastic surgeon to educate both hospital administrators and our physician colleagues of the impact and benefit a plastic surgeon can have on a health system. METHODS: A survey was e-mailed to surgeons identified as rural plastic surgeons who practiced in communities with fewer than 50,000 people not located in a metropolitan area. Thirty-four surgeons were identified and 12 responded to the survey. RESULTS: Respondents on average were 56 years old and had practiced for 14.3 years. At the time of the survey, 33% practiced in a hospital-employed group practice, and 33% operated in a hospital that is part of a health system. Seventy-five percent did not complete fellowship training, but 67% believed that fellowship training would be beneficial to someone interested in rural plastic surgery. Seventy-five percent recommended hand surgery as the most beneficial fellowship. Eighty-three percent had prior experiences with rural surgery before starting their practice. Average case volume ranged from 150 to more than 1000 cases per year and spanned the spectrum of plastic surgery. Potential barriers to practicing rural plastic surgery included call responsibility and facility limitations. CONCLUSIONS: A career in rural plastic surgery offers great variety encompassing the spectrum of plastic surgery. Most agreed that hand fellowship would be the most beneficial fellowship. Most had prior experience with rural surgery before seeking a career in rural plastic surgery, highlighting the importance of increasing awareness of these opportunities.

Direct muscle neurotization with long acellular nerve allograft: A case report.

Nerve repair and nerve transfer are the optimal approaches to restore function to denervated muscle. When the distal-most portion of the nerve entering the muscle is compromised, these are not possible and direct muscle neurotization (DMN) is considered. We describe the first reported case of DMN with acellular nerve allograft. The patient is a 25 year old male who sustained a blast injury to the patient's proximal leg with segmental injury to the deep peroneal nerve resulting in complete foot drop with 0/5 dorsiflexion and toe extension. Given complete obliteration of the distal nerve, we performed direct neurotization of the tibialis anterior muscle with a 7 cm acellular nerve allograft coapted to the proximal stump of the deep peroneal nerve. At 3 years after surgery, the patient regained 5/5 strength with dorsiflexion and toe extension and normal gait. This case supports the use of acellular nerve allografts to restore function to denervated muscle when the distal nerve stump is not available for nerve repair or transfer and there is a desire to avoid the morbidity of autologous nerve graft harvest.

Aseptic Freeze-Dried versus Sterile Wet-Packaged Human Cadaveric Acellular Dermal Matrix in Immediate Tissue Expander Breast Reconstruction: A Propensity Score Analysis.

BACKGROUND: Although multiple acellular dermal matrix sources exist, it is unclear how its processing impacts complication rates. The authors compared complications between two preparations of human cadaveric acellular dermal matrix (freeze dried and ready-to-use) in immediate tissue expander breast reconstruction to analyze the effect of processing on complications. METHODS: The authors retrospectively reviewed all alloplastic breast reconstructions with freeze-dried or ready-to-use human acellular dermal matrices between 2006 and 2016. The primary outcome measure was surgical-site occurrence defined as seroma, skin dehiscence, surgical-site infection, or reconstruction failure. The two groups were compared before and after propensity score matching. RESULTS: The authors included 988 reconstructions (freeze-dried, 53.8 percent; ready-to-use, 46.2 percent). Analysis of 384 propensity score-matched pairs demonstrated a slightly higher rate of surgical-site occurrence (21.4 percent versus 16.7 percent; p = 0.10) and surgical-site infection (9.6 percent versus 7.8 percent; p = 0.13) in the freeze-dried group than in the ready-to-use group, but the difference was not significant. However, failure was significantly higher for the freeze-dried versus ready-to-use group (7.8 percent versus 4.4 percent; p = 0.050). CONCLUSIONS: This is the largest study comparing the outcomes of alloplastic breast reconstruction using human acellular dermal matrix materials prepared by different methods. The authors demonstrated higher early complications with aseptic, freeze-dried matrix than with sterile ready-to-use matrix; reconstructive failure was the only outcome to achieve statistical significance. The authors conclude that acellular dermal matrix preparation has an independent impact on patient outcomes in their comparison of one company's product. CLINICAL QUESTION/LEVEL OF EVIDENCE: Therapeutic, III.

The Protruding Ear: Cosmetic and Reconstruction.

Ear prominence is a relatively common cosmetic deformity with no associated functional deficits, but with profound psychosocial impact, especially in young patients. Protruding ears in children have propagated surgical advances that incorporate reconstructive techniques. Here we outline a systematic framework to evaluate the protruding ear and present various reconstructive surgical options for correction. Both cosmetic and reconstructive perspectives should be entertained when addressing this anatomical deformity.

Development of a Multidisciplinary Pediatric Surgery Fellowship.

With the rapidly changing landscape of medicine, physician assistants (PAs) have solidified their role as integral members of nearly every medical field. As PAs become leaders in smaller, more specialized fields, their duties encompass skills that they had not been exposed to in the broad, comprehensive, standard PA education. Consequently, participation in postgraduate PA education has rapidly expanded to keep up with the demand for additional training. Postgraduate PA education, frequently called "residencies" or "fellowships," offers additional specialized, hands-on, supervised clinical training along with continued didactic teaching on advanced topics. These programs offer distinct training advantages over on-the-job training. This article discusses the process of developing the Texas Children's Hospital Surgery Physician Assistant Fellowship Program and provides a framework for the development of similar programs around the country. Topics include the rationale for conception, curriculum development, applicant recruitment, and challenges along the way.

Tracheal Cartilaginous Sleeve in Syndromic Craniosynostosis: An Underrecognized Source of Significant Morbidity and Mortality.

Tracheal cartilaginous sleeve (TCS) is a rare and previously unrecognized source of morbidity and mortality in patients with certain craniosynostosis syndromes. There is a paucity of reporting on this airway anomaly, and the true incidence of TCS is largely unknown. The purpose of this study was to investigate the incidence of TCS among patients with syndromic craniosynostosis at our institution. Patients with syndromic craniosynostosis who underwent direct bronchoscopy and laryngoscopy were evaluated retrospectively by pediatric otolaryngologists for the presence of TCS and associated anomalies. Among patients with a diagnosis of syndromic craniosynostosis in our craniofacial database, 10 (37%) were found to have previous direct bronchoscopy and laryngoscopy reports. Of these 10 patients, 2 had Crouzon syndrome, 3 had Pfeiffer syndrome, 3 had Apert syndrome, 1 had Muenke syndrome, and 1 had Antley-Bixler syndrome. Eighty percent (8/10) of these patients were found to have some evidence of TCS. The most commonly observed associated findings included the following: tracheostomy dependency (7/10; 70%), hearing loss (6/10; 60%), obstructive sleep apnea (5/10; 50%), cervical spine anomalies (5/10; 50%), developmental delay (5/10; 50%), and enlarged cerebral ventricles (4/10; 40%). Larger multicenter studies are required to further characterize this airway anomaly and its impact on this patient population. Our results confirm the importance of thorough airway evaluation at initial presentation and the need for validated screening protocols.

Practical Considerations in Pediatric Surgery.

The care of pediatric patients requires special considerations that are often not addressed in the literature. Relatively straightforward tasks such as clinical evaluation, antibiotic use, splinting, wound closure, and care of simple burns become complicated in the pediatric population for several reasons. The authors seek to demystify some of these topics using the senior author's years of clinical experience treating pediatric patients by giving practical advice and general considerations when treating children.

Facial Skin Cancer Reconstruction.

Nonmelanoma skin cancers are the most common skin cancers in the United States and the most common malignancies afflicting the head and neck region. Reconstruction of resulting defects has significant aesthetic and functional implications, and plastic surgeons are frequently consulted for reconstruction. Reconstruction can be accomplished via a multitude of approaches spanning the reconstructive ladder, and the approach should be individualized based upon both patient-related and defect-related factors. Here the authors propose a simplified approach to facial reconstruction broken down by aesthetic region.

Noninvasive Facial Rejuvenation. Part 3: Physician-Directed-Lasers, Chemical Peels, and Other Noninvasive Modalities.

A proper knowledge of noninvasive facial rejuvenation is integral to the practice of a cosmetic surgeon. Noninvasive facial rejuvenation can be divided into patient- versus physician-directed modalities. Patient-directed facial rejuvenation combines the use of facial products such as sunscreen, moisturizers, retinoids, α-hydroxy acids, and various antioxidants to both maintain youthful skin and rejuvenate damaged skin. Physicians may recommend and often prescribe certain products, but patients are in control with this type of facial rejuvenation. On the other hand, physician-directed facial rejuvenation entails modalities that require direct physician involvement, such as neuromodulators, filler injections, laser resurfacing, microdermabrasion, and chemical peels. With the successful integration of each of these modalities, a complete facial regimen can be established and patient satisfaction can be maximized. This article is the last in a three-part series describing noninvasive facial rejuvenation. Here the authors review the mechanism, indications, and possible complications of lasers, chemical peels, and other commonly used noninvasive modalities.

Orthopedic Prosthetic Infections: Diagnosis and Orthopedic Salvage.

Orthopedic hardware infections are much feared and costly complications that can occur when these devices are implemented both in traumatic cases as well as in joint replacement surgery. Because these infections can lead to great morbidity, it is important to understand their pathophysiology as well as the principles behind their diagnosis and initial treatment. Plastic surgeons are frequently consulted as part of a multidisciplinary team to provide stable soft tissue coverage of the associated defects that result from these infections. A review of the existing literature was performed to identify the potential causes of these infections, to provide established diagnostic criteria guidelines, and to explain how these prosthetic infections are managed from an orthopedic surgery perspective prior to consulting the plastic surgery team.

Orthopedic Prosthetic Infections: Plastic Surgery Management.

Orthopedic prosthetic infections are potentially devastating complications. Plastic surgeons are frequently consulted to aid in the management of the soft tissue defects that are created by these infections. A review of the existing literature was performed to identify established treatment methods for soft tissue coverage of orthopedic hardware infections for a variety of anatomic locations. The following treatment guidelines and soft tissue reconstructive options were identified as viable options for the management of exposed or infected orthopedic hardware. This review provides descriptions of the various soft tissue reconstructive options available as well as adjunctive treatment methods.