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Osteotomia Le Fort I: técnica cirúrgica
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Abstract(s)
No de correr dos anos, principalmente após estudos de Bell sobre revascularização de maxila, as técnicas cirúrgicas de Osteotomia Le Fort I tem sido utilizadas em maiores proporções. Além de melhorar a estética, função e a dicção, ela altera também a relação maxilo- mandibular. É uma técnica valiosa para o acesso à base do crânio e região central da face. Uma complicação rara, mas significante é a hemorragia trans ou pós-operatória. O local mais comum da ocorrência de eventos hemorrágicos é a parte posterior da maxila, e o vaso mais envolvido é a artéria palatina descendente. O objetivo dessa Revisão Bibliográfica Narrativa é trazer um melhor entendimento da técnica cirúrgica e dos principais eventos vasculares que possam ocorrer no trans e pós-operatório. Podendo assim o cirurgião se antecipar e prevenir possíveis complicações que resultem por vezes em hemorragias ou inadequada perfusão maxilar.
In the two years, mainly after Bell's studies on maxillary revascularization, the surgical techniques of Le Fort I Osteotomy have been used in greater proportions. In addition to improving aesthetics, function and diction, it also alters the maxillo-mandibular relationship. It is a valuable technique for access to the base of the skull and central region of the face. A rare but significant complication is trans or postoperative haemorrhage. The most common site of occurrence of hemorrhagic events is the posterior part of the maxilla, and the vessel most involved is the descending palatine artery. The purpose of this Narrative Bibliographic Review is to bring a better understanding of the surgical technique and of the major vascular events that may occur in the trans and postoperative period. This allows the surgeon to anticipate and prevent possible complications that sometimes result in bleeding or inadequate maxillary perfusion.
In the two years, mainly after Bell's studies on maxillary revascularization, the surgical techniques of Le Fort I Osteotomy have been used in greater proportions. In addition to improving aesthetics, function and diction, it also alters the maxillo-mandibular relationship. It is a valuable technique for access to the base of the skull and central region of the face. A rare but significant complication is trans or postoperative haemorrhage. The most common site of occurrence of hemorrhagic events is the posterior part of the maxilla, and the vessel most involved is the descending palatine artery. The purpose of this Narrative Bibliographic Review is to bring a better understanding of the surgical technique and of the major vascular events that may occur in the trans and postoperative period. This allows the surgeon to anticipate and prevent possible complications that sometimes result in bleeding or inadequate maxillary perfusion.
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Keywords
Osteotomia Le Fort I Maxilofacial Ortognática Osteotomy Le Fort I Maxillofacial Orthognathic