Fat grafting: Lipofragmentation X Liposuction

Introduction: Aiming to obtain autogenous and injectable lipografts from resected tissues in dermolipectomies, this study proposes a new method for harvesting and processing adipose tissue through a specific fragmenting device. The main objective was to establish a comparative analysis of the qualit...

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Main Authors: Flavio Henrique Mendes, Fausto Viterbo, Elenice Deffune, Maria Aparecida Custódio Domingues, Marjorie Assis Golim, José Marcos Gabas, Renan Roldi Rossoni;, Helga Caputo Nunes
Format: Article
Language:English
Published: Thieme Revinter Publicações Ltda. 2019-09-01
Series:Revista Brasileira de Cirurgia Plástica
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Online Access:http://www.rbcp.org.br/export-pdf/2653/en_v34n3a11.pdf
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author Flavio Henrique Mendes
Fausto Viterbo
Elenice Deffune
Maria Aparecida Custódio Domingues
Marjorie Assis Golim
José Marcos Gabas
Renan Roldi Rossoni;
Helga Caputo Nunes
author_facet Flavio Henrique Mendes
Fausto Viterbo
Elenice Deffune
Maria Aparecida Custódio Domingues
Marjorie Assis Golim
José Marcos Gabas
Renan Roldi Rossoni;
Helga Caputo Nunes
author_sort Flavio Henrique Mendes
collection DOAJ
description Introduction: Aiming to obtain autogenous and injectable lipografts from resected tissues in dermolipectomies, this study proposes a new method for harvesting and processing adipose tissue through a specific fragmenting device. The main objective was to establish a comparative analysis of the quality and viability characteristics of the new lipofragmentation technique and those of the well-known liposuction technique, widely accepted as a viable source of fat grafting. In vivo and in vitro assays were designed to evaluate the biological behavior of the samples to guide new and possible human studies with clinical applications. Methods: A post-bariatric patient who underwent abdominal dermolipectomy had her surgical specimen resected, which was divided into four parts that underwent liposuction and lipofragmentation, with and without prior infiltration. All samples were centrifuged and distributed for assays with assessments involving histological analysis, immunohistochemistry, flow cytometry, cell culture, and xenograft injection on the back of 10 Wistar rats, which was evaluated after six weeks for mass, volume, and histological features. Results: The structural characteristics and biological behaviors of fragmented, dry, and infiltrated fat samples were similar to those of liposuction samples. Conclusions: Fat fragmentation transformed the subcutaneous cellular tissue of dermolipectomies into a new, viable injectable lipograft variant, with biological characteristics similar to those of traditional liposuction. Although still preliminary, our results support further investigations to optimize the technique and improve fat grafting and its possible applications in regenerative medicine.
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spelling doaj-art-e9c5cacf6d4f4c4c977a6af9c9f9db312025-08-20T03:39:18ZengThieme Revinter Publicações Ltda.Revista Brasileira de Cirurgia Plástica1983-51752177-12352019-09-01340336837710.5935/2177-1235.2019RBCP0210Fat grafting: Lipofragmentation X LiposuctionFlavio Henrique Mendes0Fausto Viterbo1Elenice Deffune2Maria Aparecida Custódio Domingues3Marjorie Assis Golim4José Marcos Gabas5Renan Roldi Rossoni;6Helga Caputo Nunes7Faculdade de Medicina de Botucatu, Universidade Estadual Paulista, Botucatu, SP, BrazilFaculdade de Medicina de Botucatu, Universidade Estadual Paulista, Botucatu, SP, BrazilFaculdade de Medicina de Botucatu, Universidade Estadual Paulista, Botucatu, SP, BrazilFaculdade de Medicina de Botucatu, Universidade Estadual Paulista, Botucatu, SP, BrazilFaculdade de Medicina de Botucatu, Universidade Estadual Paulista, Botucatu, SP, BrazilFaculdade de Medicina de Botucatu, Universidade Estadual Paulista, Botucatu, SP, BrazilFaculdade de Medicina de Botucatu, Universidade Estadual Paulista, Botucatu, SP, BrazilFaculdade de Medicina de Botucatu, Universidade Estadual Paulista, Botucatu, SP, BrazilIntroduction: Aiming to obtain autogenous and injectable lipografts from resected tissues in dermolipectomies, this study proposes a new method for harvesting and processing adipose tissue through a specific fragmenting device. The main objective was to establish a comparative analysis of the quality and viability characteristics of the new lipofragmentation technique and those of the well-known liposuction technique, widely accepted as a viable source of fat grafting. In vivo and in vitro assays were designed to evaluate the biological behavior of the samples to guide new and possible human studies with clinical applications. Methods: A post-bariatric patient who underwent abdominal dermolipectomy had her surgical specimen resected, which was divided into four parts that underwent liposuction and lipofragmentation, with and without prior infiltration. All samples were centrifuged and distributed for assays with assessments involving histological analysis, immunohistochemistry, flow cytometry, cell culture, and xenograft injection on the back of 10 Wistar rats, which was evaluated after six weeks for mass, volume, and histological features. Results: The structural characteristics and biological behaviors of fragmented, dry, and infiltrated fat samples were similar to those of liposuction samples. Conclusions: Fat fragmentation transformed the subcutaneous cellular tissue of dermolipectomies into a new, viable injectable lipograft variant, with biological characteristics similar to those of traditional liposuction. Although still preliminary, our results support further investigations to optimize the technique and improve fat grafting and its possible applications in regenerative medicine.http://www.rbcp.org.br/export-pdf/2653/en_v34n3a11.pdfadipose tissuetransplantsplastic surgerybioprosthesisgraft survival
spellingShingle Flavio Henrique Mendes
Fausto Viterbo
Elenice Deffune
Maria Aparecida Custódio Domingues
Marjorie Assis Golim
José Marcos Gabas
Renan Roldi Rossoni;
Helga Caputo Nunes
Fat grafting: Lipofragmentation X Liposuction
Revista Brasileira de Cirurgia Plástica
adipose tissue
transplants
plastic surgery
bioprosthesis
graft survival
title Fat grafting: Lipofragmentation X Liposuction
title_full Fat grafting: Lipofragmentation X Liposuction
title_fullStr Fat grafting: Lipofragmentation X Liposuction
title_full_unstemmed Fat grafting: Lipofragmentation X Liposuction
title_short Fat grafting: Lipofragmentation X Liposuction
title_sort fat grafting lipofragmentation x liposuction
topic adipose tissue
transplants
plastic surgery
bioprosthesis
graft survival
url http://www.rbcp.org.br/export-pdf/2653/en_v34n3a11.pdf
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