title: [Primary orbital implant dislocation. A retrospective study].
abstract: BACKGROUND
  To compensate the orbital volume deficit after enucleation orbital implants are used.
  
  
  METHODS
  Between 1986 and 1996, 449 enucleations were performed. One hundred and fifty-five orbital implants were used: 96 hydroxylapatite-ceramic-silicon (HAK-silicon), 29 hydroxylapatite-ceramic (HAK), 26 Kiel bone chips, 3 Walser and 1 Bangerter implant.
  
  
  RESULTS
  Ten orbital implants (6.45%) had to be explanted. Seven of the 96 HAK-silicon implants were explanted: four could be changed, two of them with a smaller and two with a same diameter. We observed a complication rate of 7.29% and a rate of total loss of 3.13%. One luxated HAK-implant could be refixated (3.45%), and one implant (3.85%) of the Kiel bone chip implants was explanted.
  
  
  CONCLUSIONS
  Using different types of orbital implants after enucleation, we observed a complication rate of 7%. However, to avoid the post-enucleation-syndrome and to achieve better motility of the prosthesis, orbital implants should be used.
authors.affiliation: Universitäts-Augenklinik Hamburg.
authors.forename: M
authors.initials: M
authors.lastname: Kohlhaas
authors.forename: A
authors.initials: A
authors.lastname: Walter
authors.forename: D
authors.initials: D
authors.lastname: Schulz
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D002648:Child; D002675:Child, Preschool; D005137:Eye, Artificial; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D007223:Infant; D008297:Male; D008875:Middle Aged; D017233:Orbit Evisceration; D011474:Prosthesis Design; D019919:Prosthesis Implantation
vernacular_title: Primäre Orbitaimplantatluxation. Eine retrospektive Untersuchung.