Int J Med Robot - Evaluation of computer-assisted jaw reconstruction with free vascularized fibular flap compared to conventional surgery: a clinical pilot study.

Tópicos

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Resumo

CKGROUND: The introduction of computer-assisted surgery was a milestone in functional reconstructions of facial skeletal defects.PATIENTS AND METHODS: We compared five computer-assisted and five conventional reconstructions with fibular grafts in the course of a pilot study. A rapid prototyping guide translated the computer-assisted surgery plan into intraoperative utilizable models. We intraoperatively measured the time needed for shaping the graft to the recipient site and the ischaemic time. Furthermore, the size of donor site defect compared to the required transplant length was evaluated.RESULTS: Shaping procedure and ischaemic time turned out significantly shorter when compared to conventional surgery without cutting guide (p=0.014). Using surgical guides, there was no change between the defect size of the fibula and the necessary transplant size. In conventional surgery, a mean change of 1.92cm occurred (p=0.001).CONCLUSION: The surgical guide significantly reduced shaping time and consequently ischaemic time. These factors can influence flap survival. The fibular donor site defect was downsized.

Resumo Limpo

ckground introduct computerassist surgeri mileston function reconstruct facial skelet defectspati method compar five computerassist five convent reconstruct fibular graft cours pilot studi rapid prototyp guid translat computerassist surgeri plan intraop utiliz model intraop measur time need shape graft recipi site ischaem time furthermor size donor site defect compar requir transplant length evaluatedresult shape procedur ischaem time turn signific shorter compar convent surgeri without cut guid p use surgic guid chang defect size fibula necessari transplant size convent surgeri mean chang cm occur pconclus surgic guid signific reduc shape time consequ ischaem time factor can influenc flap surviv fibular donor site defect downsiz

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