• P H Thaller, J Fürmetz, W Böcker, and C Ehrnthaller.
• 3D-Chirurgie, Muskuloskelettales Universitätszentrum München, Klinikum der LMU München, Campus Innenstadt, Ziemssenstr. 5, 80336, München, Deutschland. 3D-Chirurgie@med.lmu.de.
• Unfallchirurg. 2022 Apr 1; 125 (4): 282287282-287.

AbstractDistraction osteogenesis (DO) is a technique that can be successfully used to treat leg length discrepancies and to reconstruct long defects of bone. By gradual distraction of the bone fragments by approximately 1 mm per day, hypervascularization and an increased bone healing potential (growth stimulus) occur. So far, DO has almost exclusively been used longitudinally to generate new biologically active bone. Chronic wounds, ulcers and osteitis, especially in the region of the foot, are always a challenge for the treating surgeon, since treatment is tedious, the outcome uncertain and associated with possible loss of the extremity. Transverse distraction osteogenesis (tDO) now uses the growth stimulus of the DO translationally to treat distally located, chronic wounds and thus leads to accelerated wound healing. At the end of the 5‑week treatment, the transversely distracted fragment, located far proximal to the chronic wound, is back in its original location. The biological stimulus has a long-lasting effect, longer than the tDO itself. Further investigations into the mechanisms of action and treatment outcomes of tDO are required. If the previous results are confirmed, tDO may become a game changer and enable the limb salvage for a large proportion of findings that previously required amputation.© 2022. The Author(s), under exclusive licence to Springer Medizin Verlag GmbH, ein Teil von Springer Nature.

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