Karol A. Gutowski

Cosmetic Use of Botulinum Toxin-A Affects Processing of Emotional Language

How does language reliably evoke emotion, as it does when people read a favorite novel or listen to a skilled orator? Recent evidence suggests that comprehension involves a mental simulation of sentence content that calls on the same neural systems used in literal action, perception, and emotion. In this study, we demonstrated that involuntary facial expression plays a causal role in the processing of emotional language. Subcutaneous injections of botulinum toxin-A (BTX) were used to temporarily paralyze the facial muscle used in frowning. We found that BTX selectively slowed the reading of sentences that described situations that normally require the paralyzed muscle for expressing the emotions evoked by the sentences. This finding demonstrates that peripheral feedback plays a role in language processing, supports facial-feedback theories of emotional cognition, and raises questions about the effects of BTX on cognition and emotional reactivity. We account for the role of facial feedback in language processing by considering neurophysiological mechanisms and reinforcement-learning theory.

Benchmarking Outcomes in Plastic Surgery: National Complication Rates for Abdominoplasty and Breast Augmentation

Background: The authors evaluated the use of national databases to track surgical complications among abdominoplasty and breast augmentation patients. Methods: Their study population included all patients with abdominoplasty or breast augmentation in the Tracking Operations and Outcomes for Plastic Surgeons (TOPS) and CosmetAssure databases from 2003 to 2007. They evaluated the incidence of hematoma, infection, and/or deep venous thrombosis/pulmonary embolism. Chi-square and t tests were used for the analyses. Results: The TOPS and CosmetAssure databases included 7310 and 3350 patients with abdominoplasty and 30,831 and 14,227 patients with breast augmentation, respectively. In the TOPS and CosmetAssure populations, the complication rates for abdominoplasty were 0.9 percent and 0.5 percent with hematoma (p = 0.29), 3.5 percent and 0.7 percent with infection (p < 0.001), and 0.3 percent and 0.1 percent with deep venous thrombosis/pulmonary embolism (p = 0.05), respectively. The complication rates for breast augmentation in TOPS and CosmetAssure were 0.6 percent and 0.7 percent with hematoma (p = 0.21), 0.3 percent and 0.1 percent with infection (p < 0.001), and 0.02 percent and less than 0.01 percent with deep venous thrombosis/pulmonary embolism (p = 0.31), respectively. Conclusions: Complication rates for abdominoplasty and breast augmentation were similar in TOPS and CosmetAssure, providing a measure of cross-validation. The low complication rates support the safety of these procedures when they are performed by plastic surgeons. These data should be used by individual practitioners for outcomes benchmarking.

Neck rejuvenation revisited.

Purpose: Restoration of the aesthetic neck contour is an integral component of facial rejuvenation. Multiple deformities of the neck and chin complex can make treatment of the cervical region daunting. An algorithmic approach to neck rejuvenation based on individual anatomic and clinical analysis is prudent. The authors created a simplified anatomic approach to the most common cervical deformities encountered in the patient seeking facial rejuvenation. Methods: Retrospective analysis of the senior authors (R.J.R.) technique evolution over the last 15 years was performed. The operative techniques used in neck rejuvenation were evaluated and the long-term postoperative results were reviewed. Results: Recurrent patterns of cervical deformity are present in patients presenting for facial rejuvenation. These patterns can be classified into categories based on specific anatomic deformities. Conclusions: Facial rejuvenation requires appropriate identification of deformity to effect the desired changes. Cervical deformities are classified into clinically useful categories based on careful preoperative analysis. A thorough understanding of the anatomic bases for the deformities allows the surgeon to choose the appropriate treatments to achieve consistent and reliable results.

An experimental model for improving fat graft viability and purity

Background: Autologous fat is an excellent soft-tissue filler, given its abundance, ease of harvest, and natural appearance. However, graft longevity is unpredictable and is reported in the literature to be between 3 months and 8 years. Methods: A genetically identical, age- and sex-matched mouse experiment was used to develop a model. Inguinal fat pads were subjected to different harvest and preparatory techniques. Primary endpoints—viability and purity—were assessed with the trypan blue viability assay and component counting with a hemocytometer. Results: Viability and purity were highest after excisional harvest versus blunt or needle harvest, presumably secondary to differences in cellular trauma. Saline wash or centrifugation after harvest produced modest but statistically significant improvements in viability and purity. However, if grafts harvested in any fashion were treated with an initial collagenase digestion followed by an idealized centrifugation regimen and a single wash step, viability and purity were consistently 96 percent and 93 percent, respectively. Conclusions: Using an in vitro murine model, the authors have systematically developed a clinically practical model for creating a pure single-cell suspension of viable adipocytes that is reproducible, regardless of tissue harvest method.

Management of gestational gigantomastia.

Background: Gigantomastia of pregnancy is a rare, severely debilitating condition characterized by massive enlargement of breasts and resulting in tissue necrosis, ulceration, infection, and, occasionally, hemorrhage. Typically, resolution of breast hypertrophy to near prepregnancy size occurs in the postpartum period. Treatment is controversial. Methods: The authors present a patient with gestational gigantomastia for whom nonoperative management failed and who subsequently required bilateral mastectomies. In addition, the authors performed a comprehensive review of reported cases and generated a treatment algorithm. Results: The patient tolerated the mastectomies well and went on to deliver a healthy child. Postpartum delayed breast reconstruction with tissue expansion and implant placement yielded good results. The literature review demonstrates that medical management has successfully avoided surgery during gestation in 39 percent of cases since 1968. However, 35 percent of patients eventually underwent breast reduction (12 percent) or mastectomy (88 percent) during pregnancy. Spontaneous or elective termination of the pregnancy accounted for 30 percent of outcomes. Patients who underwent breast reduction and then became pregnant had a 100 percent (four of four patients) chance of recurrence. Two women had mastectomy and subsequent pregnancies. One woman developed multiple small areas of recurrence that were surgically excised. The other woman had two additional pregnancies with no recurrence of symptoms. Conclusions: Medical therapies to manage gestational gigantomastia are inconsistent in outcome. Since some patients respond, these therapies are worth trying. However, if the patient and/or fetus are experiencing significant morbidity, then surgical intervention is warranted. Breast reduction or mastectomy with delayed reconstruction is the preferred procedure. If the mother is considering future pregnancies, mastectomy offers the lowest risk of recurrence.

Restoration of elbow flexion after brachial plexus injury: the role of nerve and muscle transfers.

Brachial plexus trauma results in a variable loss of upper extremity function. The restoration of this function requires elbow flexion of adequate strength and range of motion. A proper evaluation of brachial plexus lesions is a prerequisite to any reconstructive procedure, and appropriate guidelines are presented. One option for restoring elbow flexion is a nerve transfer. The best results with this procedure are obtained in young patients treated within 6 months of injury. Another option is a free or pedicled muscle transfer, which should be considered in older patients or patients treated more than 6 months after an injury. Muscle transfers may also be used to augment the results of nerve transfer procedures. Choices and clinical results of donor nerves and muscle for transfer are discussed, and an algorithm for treatment is presented.

Breast Implant Infections

Infection after breast implant surgery occurs in 1.1% to 2.5% of procedures performed for augmentation and up to 35% of procedures performed for reconstruction after mastectomy. Most infections result from skin organisms and occur in the immediate postoperative period, although infections can occasionally present after many years. Diagnosis of breast implant infection relies on the clinical presentation of breast pain, swelling, erythema, and drainage in conjunction with ultrasound-guided cultures of periprosthetic fluid. Management commonly involves implant removal, with device salvage attempted in select situations.

Integrated Plastic Surgery Residency Applicant Survey: Characteristics of Successful Applicants and Feedback about the Interview Process

Background: Integrated plastic surgery residency training is growing in popularity, bringing new challenges to program directors and applicants. The purpose of this study was to identify characteristics of successful applicants and to obtain feedback from applicants to improve the integrated plastic surgery residency training application and interview process. Methods: An anonymous survey assessing applicant academic qualifications, number of interviews offered and attended, and opinions about the application and interview process was distributed electronically to the 2006 integrated plastic surgery residency training applicant class. The number of interviews offered was used as an indicator of potential applicant success. Results: A 38 percent survey participation rate (139 of 367) was achieved. United States Medical Licensing Examination Step 1 score correlated with number of interview invitations (p ≤ 0.001). Successful Alpha Omega Alpha designation (p ≤ 0.001), high class rank (p = 0.034), presence of a plastic surgery residency program at the participant’s school (p = 0.026), and authorship of one or more publications (p ≤ 0.001) were associated with receiving greater number of interview invitations. Geographic location was an important consideration for applicants when applying to and ranking programs. Applicants desired interviews on weekdays and geographic coordination of interviews. Conclusions: Integrated plastic surgery residency training is highly competitive, with the number of interview invitations correlating with academic performance and, to a lesser extent, research. Applicant feedback from this survey can be used to improve the application and interview process.

Benefits and Risks of Prophylaxis for Deep Venous Thrombosis and Pulmonary Embolus in Plastic Surgery: A Systematic Review and Meta-Analysis of Controlled Trials and Consensus Conference

Summary: The goal of this consensus conference, sponsored by the American Association of Plastic Surgeons, was to perform a systematic review and meta-analysis of controlled trials to examine both the benefits and risks of venous thromboembolism prophylaxis in plastic surgery patients. The panel sought to assess the safety and effectiveness of recognized venous thromboembolism prophylaxis strategies, including variation in anesthetic management, use of elastic compression stockings or intermittent pneumatic compression, and use of chemoprophylaxis. The authors also sought to examine effectiveness and safety of prophylaxis in patients risk-stratified by procedure type or 2005 Caprini score. The panel met face to face in March of 2015 to perform an exhaustive review of the existing literature. The panel subsequently created consensus recommendations using the GRADE criteria. Important directions for future research were also identified. CLINICAL QUESTION/LEVEL OF EVIDENCE: Therapeutic, V.

ASPS clinical practice guideline summary on breast reconstruction with expanders and implants.

Learning Objectives: After reading this article, participants should be able to: 1. Understand the evidence regarding the timing of expander/implant breast reconstruction in the setting of radiation therapy. 2. Discuss the implications of a patient’s risk factors for possible outcomes and complications of expander/implant breast reconstruction. 3. Implement proper prophylactic antibiotic protocols. 4. Use the guidelines to improve their own clinical outcomes and reduce complications. Summary: In March of 2013, the Executive Committee of the American Society of Plastic Surgeons approved an evidence-based guideline on breast reconstruction with expanders and implants, as developed by a guideline-specific work group commissioned by the society’s Health Policy Committee. The guideline addresses ten clinical questions: patient education, immediate versus delayed reconstruction, risk factors, radiation therapy, chemotherapy, hormonal therapy, antibiotic prophylaxis, acellular dermal matrix, monitoring for cancer recurrence, and oncologic outcomes associated with implant-based reconstruction. The evidence indicates that patients undergoing mastectomy should be offered a preoperative referral to a plastic surgeon. Evidence varies regarding the association between postoperative complications and timing of postmastectomy expander/implant breast reconstruction. Evidence is limited regarding the optimal timing of expand/implant reconstruction in the setting of radiation therapy but suggests that irradiation to the expander or implant is associated with an increased risk of postoperative complications. Evidence also varies regarding the association between acellular dermal matrix and surgical complications in the setting of postmastectomy expander/implant reconstruction. Data support the use of an appropriate preoperative antibiotic, but antibiotics should be discontinued within 24 hours of the procedure, unless a surgical drain is present. Furthermore, postmastectomy expander/implant breast reconstruction does not adversely affect oncologic outcomes.