What Makes a Beautiful Buttock Beautiful? A Case-Control Study Comparing Buttocks Models versus Normal Women by Magnetic Resonance Imaging, Photography and Anthropometry.

OBJECTIVES: To describe characteristics of women with aesthetically ideal buttocks and differentiate them from women with normal buttocks. METHODS: Case-control study comparing anatomy of women with ideal buttocks (buttocks models) to women with normal buttocks using magnetic resonance images, anthropometric measurements and photography. RESULTS: Comparing to normal women, buttocks models have a narrower waist, narrower iliac crest, wider C point, wider hips and bigger and thicker gluteus maximus muscle (GMM). A bigger GMM adds more projection to the C point, point of maximum projection in the lateral view is 2.7 cm higher than the pubic bone. The amount of subcutaneous fat was equal in models and controls. CONCLUSIONS: Our study provides new knowledge regarding the tridimensional aspects of the beauty of the buttocks area. A beautiful buttock is a conjunction of adequate bony shape, muscle development, subcutaneous fat layer, and tight skin. Comparing to normal women, buttocks models have a narrower waist, narrower iliac crest, wider C point, wider hips and bigger and thicker Gluteus Maximus Muscle. Accurate understanding of the aesthetic goals in a given patient can guide surgical technique. LEVEL OF EVIDENCE III: This journal requires that authors assign a level of evidence to each article. For a full description of these Evidence-Based Medicine ratings, please refer to the Table of Contents or the online Instructions to Authors www.springer.com/00266 .

High-Definition Liposculpture: What are the Complications and How to Manage Them?

BACKGROUND: High-definition liposculpture is a novel surgical technique widely accepted among plastic surgeons. The aim of this article is to describe surgical outcomes with a special emphasis on complications in high-definition liposculpture patients. METHODS: An historical cohort of patients who underwent high-definition liposculpture from two senior surgeons was reviewed. Technique, patient selection criteria, preoperative marks and surgical outcomes are described. Postoperative complications are discussed. RESULTS: A total of 417 patients underwent high-definition liposculpture between 2015 and 2018. Primary liposuction and secondary liposuction were performed in 308 (74%) and 109 (26%), respectively. Combined surgeries were performed in 121 cases (29%). There were no systemic complications. Local complications included hyperpigmentation (n = 276), seroma (n = 125), nodular fibrosis (n = 83), unsatisfactory definition in superficial liposuction areas (n = 16), unnatural appearance of body contour (n = 17), VASER-related burns (n = 3) and Mondor's syndrome (n = 2). Most patients (94%) were satisfied with the results. CONCLUSION: High-definition liposculpture is a body contouring technique that has shown excellent results. Despite non-serious complications were frequent, most complications were local and safely treated without affecting surgical outcome. To know these complications will help to recognize them earlier and to adjust patient expectation about the postoperative period. LEVEL OF EVIDENCE IV: This journal requires that authors assign a level of evidence to each article. For a full description of these Evidence-Based Medicine ratings, please refer to the Table of Contents or the online Instructions to Authors www.springer.com/00266.

Is Banning Texturized Implants to Prevent Breast Implant-Associated Anaplastic Large Cell Lymphoma a Rational Decision? A Meta-Analysis and Cost-Effectiveness Study.

BACKGROUND: Breast implant-associated anaplastic large cell lymphoma (BIA-ALCL) is an emergent disease that threatens patients with texturized breast implants. Major concerns about the safety of these implants are leading to global changes to restrict the utilization of this product. The principal alternative is to perform breast augmentation utilizing smooth implants, given the lack of association with BIA-ALCL. The implications and costs of this intervention are unknown. OBJECTIVES: The authors of this study determined the cost-effectiveness of smooth implants compared with texturized implants for breast augmentation surgery. METHODS: A tree decision model was utilized to analyze the cost-effectiveness. Model input parameters were derived from published sources. The capsular contracture (CC) rate was calculated from a meta-analysis. Effectiveness measures were life years, avoided BIA-ALCL, avoided deaths, and avoided reoperations. A sensitivity analysis was performed to test the robustness of the model. RESULTS: For avoided BIA-ALCL, the incremental cost was $18,562,003 for smooth implants over texturized implants. The incremental cost-effectiveness ratio was negative for life years, and avoided death and avoided reoperations were negative. The sensitivity analysis revealed that to avoid 1 case of BIA-ALCL, the utilization of smooth implants would be cost-effective for a risk of developing BIA-ALCL equal to or greater than 1:196, and there is a probability of CC with smooth implants equal to or less than 0.096. CONCLUSIONS: The utilization of smooth implants to prevent BIA-ALCL is not cost-effective. Banning texturized implants to prevent BIA-ALCL may involve additional consequences, which should be considered in light of higher CC rates and more reoperations associated with smooth implants than with texturized implants.

Winged Ribs: An Underestimated Problem That May Compromise Breast Augmentation Outcomes.

Chest wall shape is an important aspect to consider when planning a breast augmentation. Minor chest wall deformities are usually underestimated by the patient and surgeon and may compromise postoperative outcomes. Lower costal cartilage dysmorphia or winged rib is one of these minor underestimated chest wall deformities characterized by a visible and palpable cartilaginous prominence under the inframammary fold and causes discomfort in patients decreasing the satisfaction with the breast augmentation surgery. For these patients, the author utilized an innovative surgical technique that allows resection of the protruding cartilages and placement of breast implants through the same surgical incision. Six patients with winged ribs underwent breast augmentation and costal cartilage resection via this method and there were no intraoperative or early postoperative complications, and all patients were satisfied with the aesthetical result after 6 months of follow-up. The presented surgical technique has a short learning curve with excellent postoperative results. Cases are presented to demonstrate the improved postoperative chest wall contour combined with breast augmentation outcome.Level of Evidence IV This journal requires that authors assign a level of evidence to each article. For a full description of these Evidence-Based Medicine ratings, please refer to the Table of Contents or the online Instructions to Authors www.springer.com/00266 .

Long-Term Quality-of-Life Outcomes After Body Contouring Surgery: Phase IV Results for the Body-QoL® Cohort.

BACKGROUND: Body contouring surgery (BCS) is becoming increasing popular for aesthetic and reconstructive purposes, particularly among patients with massive weight loss (MWL). However, data on quality of life (QoL) following the surgery are limited, especially long-term QoL. OBJECTIVES: The authors evaluated the effect of BCS on QoL and the durability of this effect over time. METHODS: QoL was measured with the Body-QoL® instrument at 3 time points among consecutively treated patients: the day before BCS, 1 to 9 months postoperatively (short term), and 1 to 2.7 years postoperatively (long term). Total Body-QoL scores were compiled, as were scores for the instrument's main domains: body satisfaction, sex life, self-esteem and social performance, and physical symptoms. Scores were examined for the entire study population and separately for the cosmetic and MWL cohorts. RESULTS: Fifty-seven of the 112 patients participated in the short-term assessment and 84 in the long-term assessment. Total Body-QoL scores increased significantly (P < 0.0001), from 44.0 ± 14.1 preoperatively to 85.5 ± 17.5 short-term postoperatively and to 84.4 ± 12.7 long-term postoperatively. Scores for the 2 postoperative assessments did not differ significantly. Similar results were observed for scores on each separate domain. Although preoperative scores were lower for the MWL cohort than the cosmetic cohort (33.9 ± 15.6 vs 46.1 ± 12.8; P = 0.0002), they improved substantially after BCS, approaching scores for the cosmetic cohort. CONCLUSIONS: QoL increases significantly after BCS. This favorable outcome remained stable throughout long-term follow-up and was true for the cosmetic and MWL cohorts.

Introducing the Body-QoL®: A New Patient-Reported Outcome Instrument for Measuring Body Satisfaction-Related Quality of Life in Aesthetic and Post-bariatric Body Contouring Patients.

OBJECTIVE: To develop a new patient-reported outcome instrument (PRO) to measure body-related satisfaction quality of life (QoL). METHODS: Standard 3-phase PRO design was followed; in the first phase, a qualitative design was used in 45 patients to develop a conceptual framework and to create preliminary scale domains and items. In phase 2, large-scale population testing on 1340 subjects was performed to reduce items and domains. In phase 3, final testing of the developed instrument on 34 patients was performed. Statistics used include Factor, RASCH, and multivariate regression analysis. Psychometric properties measured were internal reliability, item-rest, item-test, and test-retest correlations. RESULTS: The PRO-developed instrument is composed of four domains (satisfaction with the abdomen, sex life, self-esteem and social life, and physical symptoms) and 20 items in total. The score can range from 20 (worst) to 100 (best). Responsiveness was 100 %, internal reliability 93.3 %, and test-retest concordance 97.7 %. Body image-related QoL was superior in men than women (p < 0.001) and decreased with increasing age (p = 0.004) and BMI (p < 0.001). Post-bariatric body contouring patients score lower than cosmetic patients in all domains of the Body-QoL instrument (p < 0.001). After surgery, the score improves by on average 21.9 ± 16.9 (effect size 1.8, p < 0.001). CONCLUSIONS: Body satisfaction-related QoL can be measured reliably with the Body-QoL instrument. It can be used to quantify the improvement in cosmetic and post-bariatric patients including non- or minimally invasive procedures, suction assisted lipectomy, abdominoplasty, lipoabdominoplasty, and lower body lift and to give an evidence-based approach to standard practice. LEVEL OF EVIDENCE I: This journal requires that authors assign a level of evidence to each article. For a full description of these Evidence-Based Medicine ratings, please refer to the Table of Contents or the online Instructions to Authors www.springer.com/00266.

The Body-QoL(®): patient reported outcomes in body contouring surgery patients [corrected].

BACKGROUND: This study aimed to design a new patient-reported outcome (PRO) instrument to measure patient satisfaction after body-contouring procedures such as liposculpture, abdominoplasty, body-lift, thigh-lift, and arm-lift. METHODS: Phase 1a involved an extensive literature review, 16 in-depth patient interviews, and expert focus groups with 5 plastic surgeons to develop a conceptual framework for the outcomes deemed important for body image and preliminary PRO instruments. In phase 1b, the preliminary instrument was tested with a second independent sample of 29 patients with whom simple interviews were additionally performed. In the second sample, scale reliability was calculated. RESULTS: In phase 1a, the domains identified for the conceptual framework included clothing and body image, sexual and affective life, self-image and self-esteem, social relationships, and physical symptoms. In phase 1b, the scale internal consistency was 91.5 %. CONCLUSIONS: When psychometric evaluation is completed, the Body-Shape-Related Quality of Life instrument and its subscales will provide a reliable tool for plastic surgeons, researchers, and patients to use in measuring the impact and effectiveness of body-contouring procedures from the patient's perspective. LEVEL OF EVIDENCE IV: This journal requires that authors assign a level of evidence to each article. For a full description of these Evidence-Based Medicine ratings, please refer to the Table of Contents or the online Instructions to Authors www.springer.com/00266 . This journal requires that authors assign a level of evidence to each submission to which Evidence-Based Medicine rankings are applicable. This excludes Review Articles, Book Reviews, and manuscripts that concern Basic Science, Animal Studies, Cadaver Studies, and Experimental Studies. For a full description of these Evidence-B.

Intensive hands-on microsurgery course provides a solid foundation for performing clinical microvascular surgery.

PURPOSE: Microvascular surgery requires highly specialized and individualized training; most surgical residency training programs are not equipped with microsurgery teaching expertise and/or facilities. The aim of this manuscript was to describe the methodology and clinical effectiveness of an international microsurgery course, currently taught year-round in eight countries. METHODS: In the 5-day microsurgery course trainees perform arterial and venous end-to-end, end-to-side, one-way-up, and continuous suture anastomoses and vein graft techniques in live animals, supported by video demonstrations and hands-on guidance by a full-time instructor. To assess and monitor each trainee's progress, the course's effectiveness is evaluated using "in-course" evaluations, and participant satisfaction and clinical relevance are assessed using a "post-course" survey. RESULTS: Between 2007 and 2017, more than 600 trainees participated in the microsurgery course. "In-course" evaluations of patency rates revealed 80.3% (arterial) and 39% (venous) performed in end-to-end, 82.7% in end-to-side, 72.6% in continuous suture, and 89.5% (arterial) and 62.5% (venous) one-way-up anastomoses, and 58.1% in vein graft technique. "Post-course" survey results indicated that participants considered the most important components of the microcourse to be "practicing on live animals", followed by "the presence of a full-time instructor". In addition, almost all respondents indicated that they were more confident performing clinical microsurgery cases after completing the course. CONCLUSIONS: Microvascular surgery requires highly specialized and individualized training to achieve the competences required to perform and master the delicate fine motor skills necessary to successfully handle and anastomose very small and delicate microvascular structures. The ever-expanding clinical applications of microvascular procedures has led to an increased demand for training opportunities. By teaching time-tested basic motor skills that form the foundation of microsurgical technique this international microsurgery-teaching course is helping to meet this demand.

Fetal scalp cyst or small meningocele: differential diagnosis with three-dimensional ultrasound.

BACKGROUND: Prenatal differential diagnosis of fetal scalp cystic masses is challenging and mainly includes small meningoceles and epidermal cysts. CASE: A second-trimester anatomy scan revealed an extracranial cystic mass measuring 17 × 12 × 10 mm in the fetal occipital region. Three-dimensional datasets were obtained transabdominally and off-line analysis revealed a connection between the cyst and the subarachnoid space through a 5-mm skull defect. The diagnosis of a small meningocele was further confirmed by magnetic resonance imaging in the infant. CONCLUSION: Prenatal three-dimensional ultrasound can be a useful adjunct in the prenatal differentiation between small meningoceles and epidermal cysts.

Liquiñe-Ofqui's fast slipping intra-volcanic arc crustal faulting above the subducted Chile Ridge.

The southernmost portion of the Liquiñe-Ofqui fault zone (LOFZ) lies within the proposed slab window which formed due to oblique subduction of the Chile Ridge in Patagonia. Mapping of paleo-surface ruptures, offsets, and lithological separations along the master fault allowed us to constrain geologic slip rates for the first time with dextral rates of 11.6-24.6 mm/year (Quaternary) and 3.6-18.9 mm/year (Late-Cenozoic) respectively. We had trouble mapping the LOFZ in one local because of a partially collapsed and previously undiscovered volcanic complex, Volcan Mate Grande (VMG: 1,280 m high and thus Vesuvius-sized) that grew in a caldera also offset along the LOFZ and has distinct geochemistry from adjacent stratovolcanoes. Besides the clear seismic and volcanic hazard implications, the structural connection along the main trace of the fast slipping LOFZ and geochemistry of VMG provides evidence for the slab window and insight into interplay between fast-slipping crustal intra-arc crustal faults and volcanoes.

[Acute compartment syndrome as a complication of cutaneous loxoscelism mainly edematous]. / Síndrome compartimental agudo como complicación de un loxoscelismo cutáneo edematoso.

Acute compartment syndrome (ACS) is the increase of pressure in a closed osteofascial space. This reduces capillary perfusion below the level necessary for tissue viability. Injury could be irreversible if proper treatment is not performed. Hand ACS secondary to cutaneous loxoscelism with edematous predominance is extremely infrequent. We present a clinical case of a 22-year-old patient who started a hand compartment syndrome secondary to cutaneous loxoscelism (CL), requiring emergency surgical treatment with dorsal and palmar fasciotomy.

Intraoperative Ketamine and Magnesium Therapy to Control Postoperative Pain After Abdominoplasty and/or Liposuction: A Clinical Randomized Trial.

PURPOSE: This study aimed to compare the effects of ketamine and ketamine associated with magnesium on opioid consumption and pain scores in patients undergoing abdominoplasty and/or liposuction compared to standard treatment. PATIENTS AND METHODS: A total of 63 patients were included and randomized as follows: 21 patients in the Control group, 20 patients in the Ketamine group (Ket), and 22 patients in the Ketamine-magnesium group (KetMag). The KetMag group received an IV bolus of 0.3 mg/kg of ketamine and 50 mg/kg magnesium, followed by continuous infusion of ketamine (0.15 mg/kg/h) and magnesium (10 mg/kg/h) until extubation. The Ket group received the same bolus and infusion of ketamine, together with a bolus and continuous infusion of placebo instead of magnesium. The Control group received saline instead of ketamine and magnesium. The groups were compared in morphine consumption during the first 12h, body-postoperative pain and disability scale until the 90th day, the time until the first morphine request on the PCA pump, pain scores, and the adverse effects related to the use of study drugs. RESULTS: The KetMag group had a lower morphine consumption by almost 50% during the first 12h than the Control and the Ket groups. In addition, the KetMag group required the first dose of morphine later than the other two groups. There were no differences in the adverse effects of the proposed treatments. Finally, multiple linear regression and a nonlinear approach analysis indicated that the Control group experienced a higher degree of pain and increased morphine consumption per hour than Ket and KetMag groups. CONCLUSION: Co-administration of intraoperative ketamine plus magnesium and ketamine alone are an effective and easy regime for reducing pain and opioid consumption in the postoperative period.

PHARYNGO-ILEO-COLO-ANASTOMOSIS WITH MICRO-VASCULAR BLOOD SUPPLY AUGMENTATION FOR ESOPHAGO-GASTRIC REPLACEMENT DUE TO ESOPHAGO-GASTRIC NECROSIS AFTER CAUSTIC INGESTION.

BACKGROUND: Complete esophago-gastric necrosis after caustic ingestion is a challenging surgical scenario for reconstruction of the upper digestive transit. AIM: To present a surgical technique for reconstruction of the upper digestive tract after total esophagectomy and gastrectomy due to esophageal and gastric necrosis. METHOD: The transit was re-established by means of a pharyngo-ileo-colic interposition with microsurgical arterial and venous anastomosis for augmentation of blood supply. Colo-duodeno-anastomosis and ileo-transverse colic anastomosis were performed for complete digestive transit reconstruction. RESULT: This procedure was applied in a case of 41 years male attempted suicide by ingesting alkali caustic liquid (concentrated sodium hydroxide). Total necrosis of the esophagus and stomach occurred, which required initially total esophago-gastrectomy, closure at the level of the crico-pharyngeal sphincter and jejunostomy for enteral feeding with a highly deteriorated quality of life . The procedure was performed later and there were no major early and late postoperative complications and normal nutritional conditions were re-stablished. CONCLUSION: The procedure is feasible and must be managed by multidisciplinary team in order to re-establish a normal quality of life.

Alternativas de reconstrucción mamaria inmediata

La mastectomía total por cáncer de mama produce una deformidad importante en las pacientes, con alteraciones severas de su autoestima, imagen corporal, sexualidad, y calidad de vida en general. El gold estándar en los países desarrollados es la reconstrucción mamaria inmediata y, actualmente existen pocas contraindicaciones absolutas para realizar alguna técnica de reconstrucción. Este artículo se describen las opciones reconstructivas (colgajos e implantes), tiempos de reconstrucción, ventajas y desventajas de ambas técnicas, potenciales complicaciones, y se propone un algoritmo de tratamiento. La elección de la técnica de reconstrucción debería ser decidida entre la paciente y su cirujano/a, considerando características físicas, factores relacionados con la enfermedad y tratamiento oncológico, y preferencias de las pacientes.

Total mastectomy for breast cancer treatment can be a cause of deformity and distress for patients, with severe impairment of self-esteem, body image, sexuality, and quality of life. In developing countries, immediate breast reconstruction is the gold standard, and there are only a few absolut contraindications for some technique of breast reconstruction. This article describes reconstructive options (flaps and allo-plastic material), reconstructive timing, pros and cons of both techniques, potential complications, and an algorithm of treatment is proposed. Choice of the reconstructive technique should be decided by the patient and her surgeon, considering physical characteristics, factors related with the disease and oncologic treatments, and patients' preferences.

Síndrome compartimental agudo como complicación de un loxoscelismo cutáneo edematoso / Acute compartment syndrome as a complication of cutaneous loxoscelism mainly edematous

Resumen El síndrome compartimental agudo (SCA) es el aumento de la presión en un espacio osteofascial cerrado. Esto reduce la presión capilar bajo el nivel necesario para la viabilidad de los tejidos del compartimento. El SCA de mano como complicación de un loxoscelismo cutáneo (LC) de predominio edematoso es muy poco frecuente. Presentamos el caso de una mujer de 22 años que presentó un SCA de la mano secundario a un LC y que requirió tratamiento quirúrgico de urgencia mediante una fasciotomía dorsal y palmar.

Abstract Acute compartment syndrome (ACS) is the increase of pressure in a closed osteofascial space. This reduces capillary perfusion below the level necessary for tissue viability. Injury could be irreversible if proper treatment is not performed. Hand ACS secondary to cutaneous loxoscelism with edematous predominance is extremely infrequent. We present a clinical case of a 22-year-old patient who started a hand compartment syndrome secondary to cutaneous loxoscelism (CL), requiring emergency surgical treatment with dorsal and palmar fasciotomy.

A new method for detection of postpneumonectomy broncho-pleural fistulas.

Broncho-pleural fistula is a relatively rare but life-threatening complication of pneumonectomy. Early detection of this complication is crucial for optimal treatment. We describe a simple technique to detect postpneumonectomy broncho-pleural fistula by measuring concentrations of O2 and N2O in the pneumonectomy cavity at baseline and after allowing patients to breath gas mixtures enriched with O2, N2O, or both. The technique was used in 22 patients. In 20 control patients the test was carried out 48 hours after pneumonectomy. Both the O2 and the N2O test were negative in all cases. However, in 2 patients with broncho-pleural fistula both the O2 and the N2O tests were positive.

Manejo quirúrgico de pacientes con hidrosadenitis supurativa: experiencia del Hospital Clínico de la Universidad de Chile / Surgical management of patients with hidradenitis suppurativa: experience of the Clinical Hospital of the University of Chile

Introducción: La hidrosadenitis supurativa es una enfermedad crónica de la piel en zonas que contienen glándulas apocrinas. Clásicamente se describe un manejo multimodal. La cirugía es una estrategia reconstructiva eficaz, frecuentemente postergada. No existen reportes sobre la experiencia a nivel nacional en el manejo de este grupo de pacientes. Objetivos: Exponer los resultados de manejo quirúrgico reconstructivo de pacientes con diagnóstico de hidrosadenitis supurativa por parte de un equipo de cirugía plástica de un hospital clínico. Material y Métodos: Serie de casos retrospectiva de pacientes con diagnóstico de hidrosadenitis supurativa con manejo quirúrgico. Se realizó una revisión del historial clínico de cada paciente y se elaborando un análisis descriptivo. Resultados: Trece pacientes, 7 (53,8%) de sexo femenino, edad promedio de 30,5±5,9 años. Se realizó manejo quirúrgico de 17 lesiones, siendo las más frecuentes 9 (52,9%)Axilar y 5 (29,4%) Inguino-perianal. Se realizó drenaje­curaciones en 2 (11,8%) y resección-cobertura en 15 (88,2%), 14 (82,3%) con colgajos y 2 (11,8%) injertos. Discusión: El manejo quirúrgico es una alternativa terapéutica eficaz para el control de la hidrosadenitis supurativa, presentando buenos resultados estéticos y funcionales con bajas complicaciones.

Introduction: Hidradenitis suppurativa is a chronic skin diseases of areas that contain apocrine glands. Classically a multimodal management is described. Surgery is an effective treatment, often postponed. Objectives: Present results of reconstructive surgical management of patients with hidradenitis suppurativa by a plastic surgery team of a clinical hospital. Material and methods: Retrospective case series of patients with hidradenitis suppurativa with surgical management. A review of the clinical history of each patient was carried out and a descriptive analysis was carried out. Results: 13 patients, 7 (53.8%) female, mean age of 30.5 ± 5.9 years. Surgical management of 17 lesions was performed, the most frequent lesions were 9 (52.9%) Axillary and 5 (29.4%) Inguino-perianal. Drainage were performed in 2 (11.8%) and resection-coverage in 15 (88.2%), 14 (82.3%) with flaps and 2 (11.8%) grafts. Discussion: Surgical management is an effective therapeutic alternative for the management of hidradenitis suppurativa, presenting good esthetic and functional results with low complications.