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BACKGROUND: Aesthetic enhancements to the buttock region have grown in demand due to media influence and evolving beauty standards. Using eye-tracking technology, we sought to uncover subconscious visual preferences regarding the buttock aesthetic. The objective of this investigation was to assess visual gaze patterns in assessing female buttocks among Caucasian and Asians through eye-tracking technology. MATERIALS AND METHODS: 67 participants viewed photographs of buttocks from various angles, and eye movements were analyzed using the Tobii Pro Nano eye-tracker. RESULTS: Males fixated on the intergluteal cleft for 0.96 ± 1.1 s and the thigh gap for 0.07 ± 0.2 s; while, females fixated for 0.81 ± 0.9 s and 0.06 ± 0.2 s on the same regions, respectively. Significant gender differences were observed in the intergluteal cleft (p = 0.002) and upper lateral buttock (p < 0.001). CONCLUSION: This study offers new insights into the observation of buttocks. The consistent attention toward the intergluteal cleft across demographics could be of potential significance in the aesthetic perception of buttocks. However, diverse gaze patterns also underscore the multifaceted nature of human attraction. These findings hold implications for plastic surgery, aesthetic medicine, and the sociocultural understanding of beauty. A deeper dive into aesthetic preferences is pivotal for a holistic understanding of human perceptions of attractive buttocks. 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 Table of Contents or the online instructions to Authors www.springer.com/00266 .
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BACKGROUND: Gluteal fat grafting, colloquially known as Brazilian Butt Lift, has experienced a significant rise in popularity in recent years. Despite this increase, potential complications associated with the procedure have also been observed, necessitating a thorough examination of the current practices and outcomes. METHODS: This study collected experiences of a multidisciplinary group of surgeons through a detailed survey sent in April 2022. This study aimed to shed light on the practices employed by these surgeons, the frequency and types of complications they encounter, and the overall outcomes of their procedures. RESULTS: Of the 100 surgeons surveyed, 86 responded. The study identified that pulmonary fat embolism (PFE) was the most serious complication, with fatality due to PFE recorded at a rate of 1:23,878. Liposuction site seromas were the most common complications, with an overall rate of 2.45%. Although there were no overall differences in complications between plastic and non-plastic surgeons, plastic surgeons were found to have a sixfold increase in the odds of experiencing a liposuction seroma. The survey also revealed substantial practice variations, particularly regarding fat preparation methods, recipient-site preparation, antibiotic use, and postoperative care protocols. CONCLUSION: Despite known complications, a strong tendency to continue performing these procedures was observed among surgeons, demonstrating the sustained demand and acceptance of the procedure. This study underscores the need for continued surveillance and research to enhance the safety and effectiveness of gluteal fat grafts. The experiences and data gathered from practicing surgeons provide valuable insights, paving the way for refining techniques, building consensus, and facilitating informed discussions with patients about the risks and benefits of the procedure. 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 .
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Background: The global popularity of gluteal augmentation has risen significantly, driven by the desire for enhanced buttocks size and shape to align with individual patient preferences. This increased demand has prompted extensive research into diverse techniques and their safety. Methods: A retrospective analysis was conducted to evaluate the outcomes of a gluteal augmentation technique involving ultrasound-assisted liposuction, submuscular implants, and ultrasound-guided fat grafting. Our study involved a review of the medical records of 50 consecutive patients who underwent this procedure between February 2020 and July 2023. Results: Data related to patient demographics, the quantity of fat grafts, and any complications were analyzed. Additionally, a brief survey was conducted to evaluate patient satisfaction. The Polytech implants were used in forty-four patients, and Sebbin implants in six. The implant size varied from 285 to 560. Most of the Polytech implants were 390 cc (25/44; 56.8%). Two patients had a minor infection at the incision sites and subsequent wound dehiscence. No revision surgeries were needed. Conclusions: The presented technique incorporates ultrasonic liposuction, submuscular silicone implants, and ultrasound-guided fat grafting to achieve safe and aesthetic gluteal enhancements. This method is especially suitable for patients looking to augment both the central and lateral areas of the buttocks, particularly when they lack adequate fat tissue for augmentation through fat grafting. With the addition of ultrasound guidance, the fat grafting step is significantly safer.
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INTRODUCTION: The Brazilian Butt Lift (BBL) is a safe technique that entails body reshaping through buttock augmentation using autologous fat transfer. METHOD: Between 2018 and 2022, 3000 patients underwent surgery. Each procedure commenced with the patient in supine position, starting with abdominal liposuction, followed by fat transfer to hips. Subsequently, the patient was repositioned to a prone stance. Liposuction of the back and waist ensued, concluding the surgery with fat transfer to the buttocks. Stringent precautions were implemented to ensure the safety of the patient throughout the procedure. RESULTS: Eighty-six percent of patients express satisfaction with their outcomes, while seventy percent of the transferred fat calls survive in the buttocks. One serious complication and some minor complications have been encountered and effectively managed through conservative measures. CONCLUSION: BBL proves to be a safe and satisfactory surgery when performed by experienced surgeons who adhere to fundamental principles. LEVEL OF EVIDENCE 3: 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 .
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Contorno Corporal , Lipectomia , Satisfação do Paciente , Humanos , Nádegas/cirurgia , Brasil , Feminino , Lipectomia/métodos , Adulto , Contorno Corporal/métodos , Contorno Corporal/efeitos adversos , Pessoa de Meia-Idade , Satisfação do Paciente/estatística & dados numéricos , Masculino , Tecido Adiposo/transplante , Resultado do Tratamento , Estética , Estudos Retrospectivos , Estudos de Coortes , Posicionamento do Paciente , Medição de Risco , Transplante AutólogoRESUMO
We have reviewed the article "Effectiveness and Role of Using Hyaluronic Acid Injections for Gluteal Augmentation: A Comprehensive Systematic Review of Techniques and Outcomes" by Mortada et al. in Aesthetic Plastic Surgery with keen interest. This study aims to comprehensively assess the effectiveness and role of hyaluronic acid (HA) in gluteal augmentation. However, we raise concerns about the methodologies employed in the reviewed studies. For effective treatments, understanding the properties of the active substance is essential for standardization. Thoroughly grasping the key characteristics of the employed HAs is vital to identify correlations between these properties, outcomes, and complication risks. Understanding HA's rheological properties, including viscosity, elasticity, and cohesiveness, is pivotal for selecting appropriate dermal fillers for the gluteal region. Another significant aspect of HA use is cohesiveness, arising from internal adhesion based on HA concentration and cross-linking. This cohesiveness resists vertical forces upon implantation, influencing tissue lifting and projection. Gel texture, influenced by Cross-Linking Degree, Particle Size, Molecular Weight, and HA Concentration, also plays a crucial role. While acknowledging authors' contributions, further analysis should consider these factors. LEVEL OF EVIDENCE V: 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 .
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Guidelines for optimal buttock implant management, time-efficient preparation of implant pocket, and breakdown of optimal implant choice, combined with large-volume fat transfer for best possible outcome.
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Tecido Adiposo , Procedimentos de Cirurgia Plástica , Próteses e Implantes , Humanos , Tecido Adiposo/transplanteRESUMO
The shape and definition of the male buttock have been emphasized throughout time, as it represents masculinity, strength, health, and beauty across various cultures. Aesthetic Plastic Surgery in general has become more acceptable for men; thus, the demand for gluteal enhancement parallels this shift in social norms. Surgeons interested in such cases must first understand the aesthetic ideals and principles of gluteal shaping as it pertains to men. By using gluteal implants, fat transfer techniques, local tissue rearrangement principles, or a combination thereof, one can sculpt an aesthetically pleasing male buttock with a high degree of patient satisfaction.
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Procedimentos de Cirurgia Plástica , Cirurgiões , Humanos , Masculino , Nádegas/cirurgia , Estética , Satisfação do PacienteRESUMO
In recent years, there has been an increase in demand for gluteal augmentation and reshaping surgeries with intramuscular implants which are becoming increasingly popular. Until now, this surgery was mainly performed under general anesthesia, but recently locoregional anesthesia techniques, such as tumescent local anesthesia, are being applied more and more. Today, the use of ultrasound for locoregional anesthesia and analgesia allows us to perform techniques that are increasingly precise and burdened with lower risks. In this report, we present a novel two-step ultrasound-guided technique combining a botox injection in the gluteus maximus four weeks before surgery and tumescent anesthesia with a cluneal nerve block. Furthermore, the combination of anesthetic and analgesic techniques can guarantee a better result both in terms of surgical execution of the intervention and in reducing pain and improving patient comfort in the postoperative period.
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There have been various studies and literature reviews about gluteal augmentation, possibly due to the high complication rates associated with the procedure. But in the recent past, there has been extensive work in an effort to reduce the complications and various different methods have been developed for this purpose. This article brings to view the procedure followed in our surgery centre for fat grafting and implants for gluteal augmentation. We have compiled the complications we encountered with these procedures and the lessons we learnt to prevent them. 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 .
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Mamoplastia , Próteses e Implantes , Humanos , Estudos Retrospectivos , Próteses e Implantes/efeitos adversos , Tecido Adiposo/transplante , Estética , Resultado do Tratamento , Mamoplastia/métodosRESUMO
INTRODUCTION: There has been a rapid increase in the number of patients undergoing non-surgical gluteal augmentation in recent years, leading to an increase in the number of articles in the literature regarding the use of hyaluronic acid (HA) for gluteal augmentation. No systematic review has been published on the effectiveness of HA for gluteal augmentation. This study aimed to provide a comprehensive review regarding the effectiveness and role of using HA for gluteal augmentation. METHODS: This review was conducted according to the PRISMA guidelines for reporting systematic reviews and meta-analyses. We conducted a search across MEDLINE, EMBASE, Cochrane, and Google Scholar, using the following search keywords: gluteus, buttocks, gluteoplasty, gluteal augmentation, hyaluronic acid, and filler. RESULTS: Ten articles published between 2013 and 2022 that included 168 patients. The estimated duration of product effectiveness is 16.16 months. Most studies showed statistically significant improvements in patients' satisfaction. Mean volume of HA injected for optimal gluteal fat augmentation was 206.71 ml. Of included studies, two reported major complications, five patients experienced bruising and erythema as minor complications, five patients experienced effusion and inflammation at the injection site, three patients experienced gel dislocation, and one patient experienced irregular contours. CONCLUSIONS: Based on our findings, HA is a predictable method for gluteal augmentation. Patients were satisfied with their outcomes. Despite gluteal augmentation with HA having a modest complication rate, it can still involve serious complications such as diffuse alveolar hemorrhage and death. There is a need for further research in a randomized control trial. 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 .
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Nádegas , Preenchedores Dérmicos , Ácido Hialurônico , Humanos , Nádegas/cirurgia , Ácido Hialurônico/administração & dosagem , Inflamação , Satisfação do Paciente , Ensaios Clínicos Controlados Aleatórios como Assunto , Resultado do TratamentoRESUMO
Gluteal augmentation has become a popular esthetic procedure since its inception. The main methods are augmentation using implants or autologous fat grafting, which is the harvesting and grafting of patients' own fat tissue. The last review comparing the safety of these methods was written 7 years ago, which warrants the writing of a new one. PubMed, Cochrane, and Medline were searched for studies focusing on the methods of gluteal augmentation listed previously. Five search terms were used and 15 studies fulfilled the criteria. The data were cataloged according to the method described and outcomes compared. Seven articles focused on gluteal implants and another seven assessed autologous fat grafting, whereas one detailed both. The most common complications in 524 implant procedures were wound dehiscence (9.16%), excessive implant palpability (5.92%), and seroma (3.82%), with an overall complication rate of 25%. The most common complications in 1788 gluteal fat augmentation procedures were seroma (6.9%), infection (3.0%), and transient sciatic paresthesia (1.0%), with an overall complication rate of 13%. Several articles listed satisfaction figures, but these were not assessed because this article was not powered to assess this outcome. Overall, gluteal augmentation using autologous fat grafting leads to fewer postoperative complications than implants and allows greater contouring of the buttocks and the surrounding areas. However, it can also be a far more dangerous procedure if certain recommendations are not followed.
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Procedimentos de Cirurgia Plástica , Seroma , Humanos , Seroma/cirurgia , Tecido Adiposo/transplante , Próteses e Implantes , Complicações Pós-Operatórias/epidemiologia , Complicações Pós-Operatórias/etiologia , Complicações Pós-Operatórias/cirurgia , Nádegas/cirurgiaRESUMO
Objective: The robust safety and efficacy profile associated with the use of biodegradable fillers such as poly-L-lactic acid (PLLA) for facial rejuvenation has resulted in a growing interest in off-label use for various aesthetic applications, including gluteal augmentation. The authors describe a novel targeted and individualized technique of PLLA injection into the buttock region. Methods: The technique involves clinical and anatomical evaluations of the gluteal region, and there are three distinct approaches for injecting PLLA in the gluteal region based on the most important factor to be improved: (1) skin quality, (2) contour and lifting, or (3) projection and volume. Results: This novel technique is associated with favorable patient outcomes in terms of improvements across all key areas of gluteal augmentation; improvement in skin quality and laxity, contour improvement and lifting, and gluteal volume and projection. Since its initiation, this technique has been found to be both cost-effective and clinically efficacious, with demonstratable benefits achieved with a lower volume of PLLA compared to other PLLA injection techniques. Limitations: Assessment of patient outcomes with this technique have, to date, been subjective clinical observations, which does not include quantitative outcomes such as patient satisfaction data or safety outcomes. Conclusion: We describe an optimized and individualized approach for injecting the collagen biostimulator PLLA in the gluteal region according to the needs of each patient.
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Introduction: Aesthetic surgery procedures are generally done in a relatively healthy population and carry a rather low risk compared to other surgical specialties. The incidence of complications in aesthetic surgery varies greatly depending on the type, wound cleanliness regarding the anatomical site, complexity of the surgery, patient's age, and comorbidities but is generally considered low. The overall incidence of surgical site infections (SSIs) in all aesthetic surgical procedures is around 1% in most of the literature while cases of necrotizing soft tissue infections are mostly found as individual reports. In contrast, treating COVID-19 patients is still challenging with many diverse outcomes. Surgical stress and general anesthesia are known mediators of cellular immunity impairment while studies regarding COVID-19 infection unquestionably have shown the deterioration of adaptive immunity by SARS-CoV-2. Adding COVID-19 to the modern surgical equation raises the question of immunocompetence in surgical patients. The main question of the modern post-lockdown world is: what could be expected in the postoperative period of perioperatively asymptomatic COVID-19 patients after aesthetic surgery? Case report: Here, we present a purulent, complicated, necrotizing skin and soft tissue infection (NSTI) after gluteal augmentation most likely triggered by SARS-CoV-2-induced immunosuppression followed by progressive COVID-19 pneumonia in an otherwise healthy, young patient. To the best of our knowledge, this is the first report of such adverse events in aesthetic surgery related to COVID-19. Conclusion: Aesthetic surgery in patients during the incubation period of COVID-19 or in asymptomatic patients could pose a significant risk for surgical complications, including severe systemic infections and implant loss as well as severe pulmonary and other COVID-19-associated complications.
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COVID-19 , Infecções dos Tecidos Moles , Humanos , Infecções dos Tecidos Moles/complicações , COVID-19/complicações , Controle de Doenças Transmissíveis , SARS-CoV-2 , Infecção da Ferida CirúrgicaRESUMO
Introduction Hyaluronic acid (HA) is a widely accepted agent most commonly used as a dermal filler in facial aesthetic/cosmetic medicine. More recently, HA has been utilized for gluteal augmentation. The common side effects of HA injection are often minor and self-limiting. HA migration is a very rare complication. Case Report We describe a rare case of HA buttock injection migration in a transgender patient, appearing as a superficial lump on right thigh representing a diagnostic dilemma. We highlight the need of a clinical suspicion and discuss the appropriate investigations for guided management of such patients. Conclusion It is essential for reporting radiologist to be aware of the commonly used injectable fillers, their complications, and imaging findings to avoid misdiagnosis and guide optimal patient management.
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BACKGROUND: While the buttock region is considered an esthetic hallmark, the Brazilian butt lift (BBL) remains controversially discussed in the plastic surgery community. This is due to its contentious safety profile. Thus, informed consent and patient education play a key role in preoperative planning. To this end, we aimed to program an easy-to-use, widely accessible, and low-budget algorithm that produces reliable outcome simulations. METHODS: The conditional generative adversarial network (GAN) was trained using pre- and postoperative images from 1628 BBL patients. To validate outcome simulation, 25 GAN-generated images were assessed deploying 67 Amazon Mechanical Turk Workers (Mturks). RESULTS: Mturks could not differentiate between GAN-generated and real patient images in approximately 49.4% of all trials. CONCLUSION: This study presents a free-to-use, widely accessible, and reliable algorithm to visualize potential surgical outcomes that could potentially be applied in other fields of plastic surgery.
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Inteligência Artificial , Procedimentos de Cirurgia Plástica , Humanos , Retalhos Cirúrgicos/cirurgia , Algoritmos , Nádegas/cirurgiaRESUMO
The illicit use of fillers has significantly increased, especially among transgender women (transwomen) attempting to fulfill unmet gender affirmation needs. We present a case of liquid silicone filler migration to the distal lateral thigh, multiple years following an illicit gluteal augmentation, and mimicking a neoplasm. Initial clinical and imaging findings were inconclusive necessitating advanced imaging, an orthopedic oncology surgical consultation, and finally an ultrasound-guided biopsy. Knowledge of the increasing use of fillers, their complications, and imaging findings is critical as these patients commonly choose not to disclose this history. A radiologist suggesting this diagnosis may assist the clinician, who is often unaware of this history which could help prevent unnecessary imaging and invasive procedures.
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INTRODUCTION: Minimally invasive techniques, such as filler injection, are now available for posterior body contouring. However, limited data on the outcome of gluteal augmentation with hyaluronic acid (HA) are available in the literature. MATERIAL AND METHODS: We performed a retrospective analysis of 43 patients with Body Mass Index ≤ 30, and low-grade ptosis or no ptosis who underwent gluteal augmentation with HA at our clinics. Treatment response was evaluated with a patient-reported assessment scale (BODY-Q) at baseline, and after 6 months. RESULTS: Patients were satisfied with treatment as observed by a statistically significant increase in mean BODY-Q scores at 6 months (8.14 ± 2.19 vs. 14.40 ± 2.38, p < 0.0001). Such increase was more pronounced in patients who were treated with a higher number of vials (8-12 vials vs. 14-20 vials). No serious complications were observed during or after treatment. CONCLUSION: Gluteal augmentation with hyaluronic fillers is a safe, minimally invasive procedure with good aesthetic results. 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 .
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Técnicas Cosméticas , Preenchedores Dérmicos , Humanos , Estudos Retrospectivos , Preenchedores Dérmicos/efeitos adversos , Resultado do Tratamento , Ácido HialurônicoRESUMO
Cosmetic surgeries are very popular and glamorized by the mainstream media and celebrities. Many individuals perceive certain bodily features as appealing for physical attraction and will attempt to obtain these features by surgery. However, these surgeries are not without risk, and significant consequences can occur if not performed by qualified medical professionals under sterile procedures. The authors present novel cases of two healthy young female patients who underwent a Brazilian butt lift (BBL) procedure a week apart by the same plastic surgeon in Mexico and developed dark painful lesions secondary to Mycobacterium abscessus (M. abscessus), a multidrug-resistant non-tuberculous mycobacterium (NTM). The literature review shows a paucity of data concerning NTM infections via surgical procedures of this type. The first case was of a 31-year-old woman who underwent a BBL and presented with bilateral dark painful buttock lesions weeks later. The patient returned to the plastic surgeon, who drained some lesions and prescribed oral antibiotics. The patient's clinical status continued to deteriorate and presented to the hospital for further assessment. The patient was initially started on broad-spectrum antibiotic therapy. The patient was found to have an HIV infection with a relatively preserved CD4 lymphocyte count and was started on antiretroviral therapy (ART). Intraoperative excisional tissue sample cultures grew M. abscessus. The patient was started on empiric tigecycline, cefoxitin, and linezolid. Preliminary culture susceptibilities showed resistance to linezolid. Linezolid was discontinued, amikacin was started, and cefoxitin and tigecycline were continued. Tigecycline, cefoxitin, and amikacin were continued and final susceptibilities showed sensitivity to the current treatment. The patient received a total of four months of treatment with tigecycline, cefoxitin, and amikacin. The second case was of a 28-year-old woman who underwent a BBL a week after the first patient by the same surgeon and developed multiple gluteal and body abscesses. The patient underwent bilateral thigh and gluteal, right chest wall, and breast surgical debridements with intraoperative cultures at a different hospital facility, which grew M. abscessus. Susceptibilities were not performed there. The patient was transferred to our facility for further care. Intraoperative cultures remained negative, and the patient was treated with a six-month course of tigecycline, cefoxitin, and amikacin.
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For decades, aesthetic medical procedures have sought to improve patient appearance, comfort, and self-confidence. In more recent years, a growing interest in body contouring cosmetic procedures has emerged, in large part due to increased transparency in procedures and improved outcomes with minimally invasive procedures. Notably, several biostimulatory fillers have emerged as a suitable treatment modality due to their relatively low cost, low pain, short downtime, high tunability, and sustained biostimulatory effect. One volumizing biostimulatory filler, Radiesse® (Merz Aesthetics, Frankfurt, Germany), consists of calcium hydroxylapatite microspheres suspended in a carboxymethyl cellulose gel. When injected, Radiesse immediately volumizes the injection site and initiates neocollagenesis and neoelastogenesis. One technique, the Bella Vida Instant Brazilian Butt Lift (BBL)™, is a fast, safe, and minimally invasive alternative to surgical gluteal augmentation that accomplishes morphological remodeling, increases volumization, and improves shape and patient satisfaction. This technical report provides the clinical basis, materials, and methods for implementing the Bella Vida Instant BBL™ in aesthetic practices.