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Objectives: Many technical advances have been made to conventional liposuction since its conception in the 80’s as a tool to destroy and withdraw body fat deposits. Most new technologies offer lipolisis with less physical stress on the surgeon. We developed a new mechanism to treat adipose tissue (AT), applying a photochemical property of the light, Selective Tissue Engineering Photostimulation (STEP™) which dissolves the collagen fibers of the connective tissue, allowing the adipocytes and stem cells to be aspirated without trauma. Less morbidity, good skin retraction.

Introduction: . Since Adipose-Derived Mesenchymal Stem Cells (MSCs) have been identified as an ideal source of cells for regenerative medicine with the potential to differentiate into a variety of cell lineages for tissue engineering, an ideal technique should be pursued by plastic surgeons. We initiated our research in search of a gold standard in liposuction that could offer an ideal harvesting of MSCs with preservation of adipocytes and less trauma for the patient.

Materials / method: We compared the Suction-assisted lipectomy (SAL) with our proposed technique, in adipocytes viability and apoptosis, mesenchymal stem cells quantity & quality,
the use of pain killers in the post op. The recovery period between both techniques.
Skin retraction is showed after STEP technique.

Results: The One S.T.E.P. Liposculpture™ , as described, our lab analysis shows that the aspirated subcutaneous tissue obtained after using the novel laser evidenced Selective Tissue Engineering Photostimulation (S.T.E.P.) on Adipocytes, MSCs and connective tissue.

Conclusion: The STEP™ technique offer a high performance therapy, is used for liposuction, for liposculpture, for regenerative purpose, for volumetric treatment, for reconstruction, because offer an important material/tissue for all this purposes, not only for aesthetic.

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