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Determining the Safety and Efficacy of Gluteal Augmentation: A Systematic Review of Outcomes and Complications
Sammy Sinno, MD1, Jessica B. Chang, BS1, Nicholas D. Brownstone, MD1, Pierre B. Saadeh, MD1, Simeon Wall, MD2.
1NYU Langone Medical Center, New York, NY, NY, USA, 2Wall Center for Plastic Surgery, Shreveport, LA, USA.

BACKGROUND: Augmentation gluteoplasty is being performed more frequently in the past decade, with over 21,000 procedures performed in the past year alone. The most popular methods for buttock augmentation involve silicone prostheses (subcutaneous, intramuscular, submuscular, or subfascial placement) and autologous fat grafting. A comparison of complications of these two techniques does not exist in our literature.
METHODS: The Pubmed, Medline, and Cochrane databases were searched through April 2015 for studies that achieved buttock augmentation through the use of silicone implant placement or autologous lipoinjection. A total of 44 articles that met inclusion criteria were included in the study. Complication outcomes of interest included wound dehiscence, infection, seroma, hematoma, asymmetry, and capsular contracture. Statistical data was cumulated and analyzed using SPSS software.
RESULTS: The authors reviewed 44 articles regarding the improvement of buttock contour using gluteal implants and autologous fat grafting. The most commonly reported complications in 2,375 patients receiving silicone implants were wound dehiscence (9.6%), seroma (4.6%), infection (1.9%), and transient sciatic paresthesias (1.0%), with an overall complication rate of 21.6% (n=512). The most commonly reported complications in 3,567 patients receiving autologous fat injection were seroma (3.5%), undercorrection (2.2%), infection (2.0%), and pain or sciatalgia (1.7%), with an overall complication rate of 9.9% (n=353). Of note, patient satisfaction after surgery was assessed differently among studies and could not be quantitatively compared.
CONCLUSION: Although gluteal augmentation is reputed to have complication rates as high as 38.1%, a systematic review of the two most popular techniques demonstrated substantially lower overall complication rates. The overall complication rate in autologous fat grafting (9.9%) is lower than that of silicone buttock implants (21.6%). A standardized method of measuring patient satisfaction is necessary to fully understand outcomes of these increasingly popular procedures.

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