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DOI: 10.1055/s-0045-1813004
Coleta de gordura para injeções de tecido adiposo microfragmentado: Estudo piloto de comparação da segurança de procedimentos realizados por cirurgiões ortopédicos ou plásticos
Fat Harvesting for Micro-Fragmented Adipose Tissue Injections: A Pilot Study Comparing Safety in Procedures Performed by Orthopedic and Plastic SurgeonsAuthors
Suporte Financeiro Os autores declaram que não receberam suporte financeiro de agências dos setores público, privado ou sem fins lucrativos para a realização deste estudo.
Resumo
Objetivo
Este estudo teve como objetivo comparar as taxas de complicações em curto prazo da coleta de tecido adiposo em pequeno volume para injeções de tecido adiposo microfragmentado (mFAT) no joelho realizada por um cirurgião ortopédico ou um cirurgião plástico, além de avaliar a curva de aprendizado de cirurgiões ortopédicos.
Métodos
Este estudo de caso-controle incluiu pacientes com osteoartrite de joelho. Todos os pacientes foram submetidos a um procedimento em estágio único composto por coleta de tecido adiposo abdominal, processamento do material extraído com o dispositivo Lipogems (Lipogems International SpA) para obtenção de mFAT, que foi injetada via intra-articular no joelho. Os pacientes foram divididos em grupo teste, no qual a coleta foi realizada por um cirurgião ortopédico recém-treinado, e grupo controle, no qual o procedimento foi feito por um cirurgião plástico com experiência. Efeitos adversos em curto prazo e complicações mais e menos sérias relacionadas à coleta foram avaliados no período intraoperatório e à consulta de acompanhamento 7 dias após a cirurgia.
Resultados
Nenhum paciente apresentou complicações mais sérias (embolia gordurosa, eventos tromboembólicos, perfuração abdominal, infecção da ferida, deiscência ou alterações estéticas). A taxa de desconforto abdominal durante a coleta, classificado como complicação menor, não apresentou diferença estatisticamente significativa entre os grupos (p = 0,362). Os efeitos adversos pós-operatórios, como equimoses (p = 0,362) e desconforto (p = 0,342) abdominais, foram equivalentes em ambos os grupos e se resolveram em 7 dias.
Conclusão
Este estudo piloto sugere que, com treinamento adequado, cirurgiões ortopédicos podem realizar a coleta de tecido adiposo em pequeno volume com baixas taxas de complicações, comparáveis às observadas em procedimentos realizados por cirurgiões plásticos experientes em lipoaspiração.
Abstract
Objective
To compare short-term complication rates of small-volume adipose tissue harvesting for micro-fragmented adipose tissue (mFAT) knee injections performed by orthopedic surgeons with those performed by plastic surgeons. Additionally, to evaluate the orthopedic surgeon's learning curve.
Methods
The present case-control study enrolled patients with knee osteoarthritis. All patients underwent a single-stage procedure consisting of abdominal adipose tissue harvesting, processing of the extracted material using the Lipogems (Lipogems International SpA) device to obtain mFAT, which was then injected intra-articularly into the knee. The patients were divided into a test group, with harvesting being performed by a recently trained orthopedic surgeon, and a control group, in which the procedure was performed by an experienced plastic surgeon. Short-term adverse effects, minor and major complications related to harvesting, were assessed intraoperatively and at 7-day follow-up.
Results
No major complications (fat embolism, thromboembolic events, abdominal perforation, wound infection, dehiscence, or cosmetic changes) were observed in either group. Abdominal discomfort during harvesting, classified as a minor complication, showed no statistically significant difference between groups (p = 0.362). Postoperative adverse effects, such as abdominal ecchymosis (p = 0.362) and discomfort (p = 0.342), were equivalent in both groups and resolved within 7 days.
Conclusion
The present pilot study suggests that, with adequate training, orthopedic surgeons can perform small-volume adipose tissue harvesting with low complication rates comparable to those achieved by plastic surgeons experienced in liposuction.
Contribuições dos Autores
BBV: conceitualização, metodologia, investigação, redação – esboço original e redação – revisão & edição. RBC: análise formal, redação – esboço original e redação – revisão & edição. CBGL: redação – esboço original, supervisão e validação. PNG: redação – esboço original, metodologia e supervisão. RGG: redação – esboço original, supervisão e recursos. MKD: redação – esboço original e administração do projeto.
O presente estudo foi desenvolvido pelo Grupo de Joelho, Instituto de Ortopedia e Traumatologia, Hospital das Clínicas (HCFMUSP), Faculdade de Medicina, Universidade de São Paulo, São Paulo, SP, Brasil.
Publication History
Received: 19 May 2025
Accepted: 04 September 2025
Article published online:
10 December 2025
© 2025. The Author(s). This is an open access article published by Thieme under the terms of the Creative Commons Attribution 4.0 International License, permitting copying and reproduction so long as the original work is given appropriate credit (https://creativecommons.org/licenses/by/4.0/)
Thieme Revinter Publicações Ltda.
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Bruno Butturi Varone, Rodrigo Bernstein Conde, Chilan B. G. Leite, Pedro Nogueira Giglio, Riccardo Gomes Gobbi, Marco Kawamura Demange. Coleta de gordura para injeções de tecido adiposo microfragmentado: Estudo piloto de comparação da segurança de procedimentos realizados por cirurgiões ortopédicos ou plásticos. Rev Bras Ortop (Sao Paulo) 2025; 60: s00451813004.
DOI: 10.1055/s-0045-1813004
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