title: [Filling of metaphyseal defects with nanocrystalline hydroxyapatite (Ostim) for fractures of the radius].
abstract: OBJECTIVE
  In this study, innovative bone replacement material was tested after complicated metaphyseal radius fractures with the affected joints.
  
  
  METHODS
  In all, 11 C 2, 11 C 3 and 3 A 3 radius fractures were treated by surgery combining an angularly stable palmar plate osteosynthesis with defect filling using nanocrystalline hydroxyapatite. Examinations were conducted preoperatively and postoperatively after 4 weeks, 12 weeks and 9-12 months.
  
  
  RESULTS
  After 10.5+/-1.4 months, inclination angles of 8.7+/-1.8 degrees (dorsopalmar) and 18.8+/-2.9 degrees (radioulnar) were measured at the treated fractures, the ulnar drift was 0.6+/-1.8 mm. According to the Gartland/Werley scale, 10 therapeutic results were considered "excellent", 12 "good" and 3 "fair".
  
  
  CONCLUSIONS
  An angularly stable plate osteosynthesis with metaphyseal defect filling using nanocrystalline hydroxyapatite for the treatment of A 3, C 2 and C 3 radius fractures showed satisfactory radiological and clinical results.
authors.affiliation: Chirurgische Universitätsklinik Heidelberg, Sektion Unfall- und Wiederherstellungschirurgie, Heidelberg. franz-xaver.huber@med.uni-heidelberg.de
authors.forename: F-X
authors.initials: FX
authors.lastname: Huber
authors.forename: J
authors.initials: J
authors.lastname: Hillmeier
authors.forename: H-J
authors.initials: HJ
authors.lastname: Kock
authors.forename: N
authors.initials: N
authors.lastname: McArthur
authors.forename: C
authors.initials: C
authors.lastname: Huber
authors.forename: M
authors.initials: M
authors.lastname: Diwo
authors.forename: M
authors.initials: M
authors.lastname: Baier
authors.forename: P J
authors.initials: PJ
authors.lastname: Meeder
mesh_terms: D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D001860:Bone Plates; D018786:Bone Substitutes; D017886:Durapatite; D005260:Female; D005500:Follow-Up Studies; D005593:Fracture Fixation, Internal / Q000379:methods*; D017102:Fracture Healing / Q000502:physiology; D018460:Fractures, Comminuted / Q000000981:diagnostic imaging / Q000601:surgery*; D006801:Humans; D008297:Male; D008875:Middle Aged; D053758:Nanoparticles; D016348:Osseointegration / Q000502:physiology; D011859:Radiography; D011885:Radius Fractures / Q000000981:diagnostic imaging / Q000601:surgery*; D014954:Wrist Injuries / Q000000981:diagnostic imaging / Q000601:surgery*
chemical_list: D018786:Bone Substitutes; D017886:Durapatite