Brazilian Butt Lift-Associated Mortality: The South Florida Experience

A Bibliometric Analysis of the Top 100 Papers on Gluteal Augmentation

Background

Gluteoplasty or gluteal augmentation is a popular cosmetic procedure that is used to improve the volume, shape, and contour of the buttocks.

Objectives

This bibliometric analysis aims to characterize emerging research trends and to assess the methodological quality of the highest impact gluteoplasty research.

Methods

The 100 most-cited publications in gluteoplasty were identified on Web of Science, across all available journal years (from Inception to August 2023). Study details, including the citation count, main content focus, and outcome measures, were extracted and tabulated from each publication. Oxford Centre for Evidence Based Medicine level of evidence (LOE) of each study was assessed.

Results

The 100 most-cited publications regarding gluteoplasty were cited by a total of 2375 publications. Citations per publication ranged from 5 to 176 (mean 23.75 ± 25.86), with the highest-cited study being authored by Simonacci, discussing autologous fat grafting (n = 176). Most publications were LOE 5 (n = 55), representative of the large number of case series and reports. The number of publications for LOE 1, 2, 3, and 4 was 1, 9, 13, and 22, respectively. The main content focus was "surgical technique" in 38 publications, followed by "outcomes" (n = 34) and "risk factors/prognosis" (n = 10). Patient-reported outcome measures (PROMs) were used in 20 publications, and 33 publications reported aesthetic outcome measures.

Conclusions

This analysis demonstrates a need for improvement in research methodologies regarding gluteoplasty research. This advancement would be facilitated by robust, high-quality research through randomized control trials and multicenter studies, as well as the further development of validated PROMs for gluteoplasty.

Level of Evidence 2

Brazilian Butt Lift: An Experience Over 3000 Patients

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 .

Complications From Fat Grafting and Gluteal Augmentation in Outpatient Plastic Surgery: An Analysis of American Association for Accreditation of Ambulatory Surgery Facilities (AAAASF, QUAD A) Data

BACKGROUND

Gluteal augmentation with autologous fat grafting, colloquially referred to as Brazilian butt lift (BBL), is an increasingly common procedure with a highly reported complication profile.

OBJECTIVES

In this study we aimed to analyze the prevalence and characteristics of complications that accompanied these surgeries at ambulatory surgery facilities.

METHODS

Adults patients who experienced fat grafting complications from 2019 to 2021 were identified in QUAD A, formerly known as the American Association for Accreditation of Ambulatory Surgery Facilities (AAAASF, Highland Park, IL, USA), database. Patients and complications were analyzed based on sociodemographic, surgery-, and facility-specific variables with descriptive statistics and logistic regression.

RESULTS

Overall, 436 fat grafting procedures with complications were reported to QUAD A, with an overall complication rate of 0.94%. Of these complications, 164 (37.6%) were confirmed to be from gluteal augmentation procedures. Notably, the number of gluteal augmentation with fat grafting complications decreased from the year 2019 (48) to 2020 (36), then nearly doubled from 2020 to 2021 (69). The majority of patients were female (96.7%), with a mean age of 42.0 years and a mean BMI of 28.3 kg/m2. Wound infection was the most commonly documented complication (22.3%). Of the patients who experienced complications, 35.9% presented to a hospital for their complications and 12.6% required reoperation. Four deaths were described. There was no association between sociodemographic or surgical variables and increased odds of readmission or reoperation (P > .05), except for increasing surgeon number and reoperation (P = .02).

CONCLUSIONS

Gluteal augmentation accounts for a large proportion of complications from fat grafting procedures. Increased reporting requirements may aid in future determination of incidences of complications and improve patient safety.

LEVEL OF EVIDENCE: 3

Enhancing Buttock Contours: A Safer Approach to Gluteal Augmentation with Ultrasonic Liposuction, Submuscular Implants, and Ultrasound-Guided Fat Grafting

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.

Superficial Intramuscular Gluteal Lipograft by Doppler Ultrasound: A Report of 24 Patients

Background

Gluteal fat grafting is a common procedure in liposculpture. This study proposes a Doppler ultrasound-guided intramuscular and subcutaneous gluteal lipotransfer technique that allows for visualization of the location of the gluteal vessels, avoiding approaching them during lipotransfer by having the cannula localized during fat infiltration.

Methods

This new technique was applied to 24 women after obtaining informed consent and providing them with a clear explanation of potential risks and complications. Doppler ultrasound was used to locate the site and depth of blood vessels, and for quadrant scanning of vessels and superficial intramuscular visualization of the cannula's location. Intramuscular lipotransfer was performed with a volume of 400 mL per gluteus (or less), and 12 patients underwent magnetic resonance imaging before and 3 months after surgery.

Results

This technique allowed for visualizing the location of the gluteal vessels, and infiltration could be easily performed in patients. In the 24 glutei reviewed postsurgery, from 12 patients who underwent pre- and postsurgery magnetic resonance imaging, intramuscular fat was found; however, there was no migration outside the gluteus maximus muscle.

Conclusions

No local or systemic complications were observed. The results of our report show that fat filtration did not migrate outside the gluteus maximus muscle. This finding seeks to promote new research to create theoretical/practical precedents for the intervention of plastic surgeons and, from there, promote the standardization of a new and safe technique.

Augmented Safety Profile of Ultrasound-Guided Gluteal Fat Transfer: Retrospective Study With 1815 Patients

BACKGROUND

Gluteal augmentation with autologous fat transfer is one of the fastest growing aesthetic surgical procedures worldwide over the past decade. However, this procedure can be associated with high mortality from fatal pulmonary fat embolism events caused by intramuscular injection of fat. Ultrasound-guided fat grafting allows visualization of the transfer in the subcutaneous space, avoiding intramuscular injection.

OBJECTIVES

The aim of this study was to assess the safety and efficacy of gluteal fat grafting performed with ultrasound-guided cannulation.

METHODS

A retrospective chart review of all patients undergoing ultrasound-guided gluteal fat grafting at the authors' center between 2019 and 2022 was performed. All cases were performed by board-certified and board-eligible plastic surgeons under general anesthesia in ASA Class I or II patients. Fat was only transferred to the subcutaneous plane when over the gluteal muscle. Patients underwent postoperative follow-up from a minimum of 3 months up to 2 years. Results were analyzed with standard statistical tests.

RESULTS

The study encompassed 1815 female patients with a median age of 34 years. Controlled medical comorbidities were present in 14%, with the most frequent being hypothyroidism (0.7%), polycystic ovarian syndrome (0.7%), anxiety (0.6%), and asthma (0.6%). Postoperative complications occurred in 4% of the total cohort, with the most common being seroma (1.2%), local skin ischemia (1.2%), and surgical site infection (0.8%). There were no macroscopic fat emboli complications or mortalities.

CONCLUSIONS

These data suggest that direct visualization of anatomic plane injection through ultrasound guidance is associated with a low rate of complications. Ultrasound guidance is an efficacious adjunct to gluteal fat grafting and is associated with an improved safety profile that should be considered by every surgeon performing this procedure.

LEVEL OF EVIDENCE: 3

Accurate Plane Fat Grafting in Gluteal Augmentation: An Anatomic Study

BACKGROUND

The safety of gluteal fat grafting is a global concern in plastic surgery.

OBJECTIVE

The goal of this study was to test whether fat grafting to the buttocks with Auto Stop Reach (ASR) technology prevents penetration from the subcutaneous space into the fascia and muscle layers of the buttocks.

METHODS

Fat transfer simulation was performed with blue dye on 8 fresh tissue cadaver buttocks by 3 board-certified plastic surgeons (S.S.K., S.C., B.W.). An open control was utilized to visualize the process in the different anatomic layers, and all of the other procedures were performed blindly, akin to live surgery. After blue dye transfer reached maximum capacity (ranging from 400-800 mL per buttock), dissection of the anatomical layers of the buttocks was performed to determine the plane(s) of injection.

RESULTS

Blue dye fat transfer injection to the buttocks did not penetrate the gluteal fascia or muscle layers from the subcutaneous space while using ASR.

CONCLUSIONS

Auto Stop Reach technology supports the safety of gluteal fat transfer in the subcutaneous space by board-certified plastic surgeons.

LEVEL OF EVIDENCE: 4

The Brazilian Butt Lift Remains the Deadliest Aesthetic Surgery Procedure: Are Plastic Surgeons Adjusting Their Surgical Practice to Promote Safety?

BACKGROUND

The number of Brazilian butt lift (BBL) fatalities remains high in the United States despite numerous practice advisories geared towards patient safety and reducing the incidence of fatal pulmonary fat emboli.

OBJECTIVES

This study aimed to evaluate US board-certified plastic surgeons' opinions, understanding of BBL-related mortality, and current risk-reducing surgical practices for BBL procedures.

METHODS

An online 18-question survey was distributed via email by the Aesthetic Surgery Education and Research Foundation to national board-certified plastic surgeon members of the The Aesthetic Society. Survey responses were collected over 21 days on the Qualtrics platform.

RESULTS

The survey response rate was 10% (n = 178). Of the 77% who performed BBL procedures, 48% (n = 80) did not use ultrasound. Approximately 60% (n = 102) of all respondents disagreed with imposing regulations to require ultrasound, with the most frequent reason being that it was unnecessary with adequate surgeon experience (45%). Plastic surgeons thought that high-volume budget clinics (n = 64) and a lack of regulations imposed on individual surgeons by boards of medicine (n = 31) were the greatest contributors to BBL mortality.

CONCLUSIONS

Most US plastic surgeons did not use ultrasound for BBL procedures and did not agree that ultrasound should be required, which may partially be the result of unsuccessful educational outreach for risk-reducing practices and training for ultrasound. Regulations by the boards of medicine imposed on individual surgeons, in combination with new legislation targeted at ownership of high-volume clinics, are strongly backed by surgeon respondents as measures that may improve patient safety.

LEVEL OF EVIDENCE: 5

Brazilian Butt Lift Gone Wrong: A Case Series of Non-Tuberculous Mycobacterial Gluteal Infection After Brazilian Butt Lifts

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.

Liposuction Complications in the Outpatient Setting: A National Analysis of 246,119 Cases in Accredited Ambulatory Surgery Facilities

Background

Suction lipectomy (liposuction) is a popular cosmetic surgical procedure performed in the United States, but little has been documented regarding perioperative complications due to its outpatient nature.

Objectives

This cross-sectional study aims to analyze the most common complications that accompany liposuction-related procedures and importantly estimate the total complication rate occurring at ambulatory surgical facilities.

Methods

Adult patients who experienced liposuction-related complications from 2019 to 2021 were identified in the reporting database of the global surgery accreditation authority, the American Association for Accreditation of Ambulatory Surgery Facilities (QUAD A). Patients were then divided by complication type and procedure location. Demographics and facility-specific variables were analyzed. Descriptive statistics were performed.

Results

Overall, 984 patients were included, with a mean age of 44 years (interquartile range [IQR] 37-53) and a median BMI of 28.7 kg/m2 (IQR 25.7-32.2). The overall confirmed complication rate was found to be 0.40% (984/246,119). Unplanned emergency department presentation was the most common complication overall (24%). Wound disruption was associated with the longest median procedure length (261 min), and venous thromboembolism was associated with the highest median BMI (30.1 kg/m2). The Southeast had the most complications (431), which accounted for 13/21 deaths (61.9%). Out of all complications, death was associated with the highest average annual case volume (241).

Conclusions

Procedures that involve liposuction are associated with a variety of medical and surgical complications. Given the high frequency and variability in how liposuction is performed, a thorough assessment of complications is critical to improve the safety of this procedure.

Level of Evidence 3

Static Injection, Migration, and Equalization (SIME): A New Paradigm for Safe Ultrasound-Guided Brazilian Butt Lift: Safer, Faster, Better

BACKGROUND

Although the Brazilian butt lift (BBL) is one of the most popular procedures in body contouring, it has been associated with the risk of pulmonary fat embolism when fat graft is injected into the gluteal muscles. The subcutaneous plane has been identified as a safe site for fat graft injection, but deaths from fat embolism continue to occur because there is no mechanism to confirm consistent subcutaneous placement.

OBJECTIVES

The aim of this paper was to determine if real-time intraoperative ultrasound could accurately identify the subcutaneous gluteal anatomic landmarks and permit a single surgeon to consistently target fat graft placement in the subcutaneous space.

METHODS

In total, 4150 BBLs were performed with real-time intraoperative ultrasound being used to confirm the subcutaneous position of a static cannula during fat graft injection. Serial deposits of fat graft were performed in each buttock. Ultrasound confirmed that fat graft consistently remained above the deep gluteal fascia and migrated through the deep subcutaneous space. These fat graft deposits were then equalized with a moving cannula to correct any contour deformities. Operative times were recorded and compared with BBL performed by expansion vibration lipofilling without ultrasound.

RESULTS

Real-time intraoperative ultrasound allowed for the visual confirmation of consistent subcutaneous fat graft deposition and the targeting of fat graft into specific gluteal subcutaneous compartments.

CONCLUSIONS

Real-time intraoperative ultrasound allows the surgeon to confirm a subcutaneous-only fat graft injection, target specific gluteal subcutaneous compartments, and take advantage of the unique architecture of the deep subcutaneous space to create gluteal projection and correct contour deformities.

Cosmetic surgery changes for patient safety

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