title: [Severe vascular complications of Le Fort I osteotomy].
abstract: BACKGROUND
  Le Fort I osteotomy is a common orthognathic procedure. This surgery presents risk of severe vascular complications because of local anatomy. The aim of our study was to collect data on vascular complications of Le Fort I osteotomies performed in our department, describe the diagnostic and therapeutic aspects, and discuss prevention.
  
  
  METHODS
  A retrospective analysis was made on the files of patient having undergone Le Fort 1 osteotomy, between 1998 and 2007. Severe vascular complications were recorded, defined as postoperative hemorrhagic or ischemic complications severe enough to require a specific procedure.
  
  
  RESULTS
  Nine hundred and sixteen patient files were included (39% male and 61% female patients, mean-age: 24.42 years; range: 13 to 59 years). Five patients presented with severe hemorrhagic complication. There was no ischemic complication. Three hemorrhagic episodes occurred in the immediate postoperative phase. In two cases, delayed hemorrhagic complication occurred, diagnosed as a pseudo-aneurysm by angiography. These were treated by hyperselective embolization.
  
  
  CONCLUSIONS
  Vascular complications of Le Fort I osteotomies are rare (0.55% in our series). They are most frequently hemorrhagic complications.
authors.affiliation: Service de Chirurgie Maxillo-Faciale, Centre Hospitalier Lyon-Sud, 165, Chemin du Grand-Revoyet, 69495 Pierre Bénite cedex, France. pierre.bouletreau@chu-lyon.fr
authors.forename: P
authors.initials: P
authors.lastname: Bouletreau
authors.forename: H
authors.initials: H
authors.lastname: Chemli
authors.forename: J
authors.initials: J
authors.lastname: Mortier
authors.forename: M
authors.initials: M
authors.lastname: Freidel
authors.forename: P
authors.initials: P
authors.lastname: Breton
mesh_terms: D000293:Adolescent; D000328:Adult; D005260:Female; D006801:Humans; D008297:Male; D008437:Maxilla / Q000601:surgery*; D008875:Middle Aged; D019340:Osteotomy, Le Fort / Q000009:adverse effects* / Q000706:statistics & numerical data; D011183:Postoperative Complications / Q000453:epidemiology / Q000209:etiology / Q000517:prevention & control; D012189:Retrospective Studies; D012720:Severity of Illness Index; D014652:Vascular Diseases / Q000453:epidemiology / Q000209:etiology*; D055815:Young Adult