Osteotomy of dorsally displaced malunited fractures of the distal radius: no loss of radiographic correction during healing with a minimally invasive fixation technique and an injectable bone substitute.

Research output: Contribution to journalArticlepeer-review

Abstract

BACKGROUND AND PURPOSE: Malunion after a distal radius fracture can be treated with an osteotomy of the distal radius. Often autologous iliac crest bone graft is used to fill the gap, but this is associated with donor site morbidity. Instead of bone graft, we have used a slow-resorbing bone substitute in combination with a minimally invasive fixation technique. PATIENTS AND METHODS: 25 consecutive patients with a dorsal malunion after a distal radius fracture underwent an osteotomy. A TriMed buttress pin and a radial pin plate were used for fixation, and Norian SRS as bone substitute. The patients were followed for a minimum of 1 year and range of motion, grip strength, DASH scores, and the radiographic correction were measured. RESULTS: Forearm rotation improved from 137 degrees to 155 degrees , flexion/extension from 102 degrees to 120 degrees , and radioul-nar deviation from 32 degrees to 43 degrees . Grip strength increased from 62% of the contralateral hand to 82%. DASH scores decreased from 36 to 23. Radiographically, all osteotomies but 1 healed and the radiographic correction achieved was consistent over the first year. INTERPRETATION: Osteotomy of the distal radius is effective in increasing motion and grip strength after a malunited distal radial fracture. Patient satisfaction is high and subjective results measured with DASH are good. Using a bone substitute, the operation can be performed as an outpatient procedure and donor-site pain avoided. No loss of the radiographic correction achieved was noted during osteotomy healing.
Original languageEnglish
Pages (from-to)262-268
JournalActa Orthopaedica
Volume79
Issue number2
DOIs
Publication statusPublished - 2008

Subject classification (UKÄ)

  • Orthopedics

Free keywords

  • Fractures
  • Radius Fractures: radiography
  • Calcium Phosphates: administration & dosage
  • Surgical Procedures
  • Osteotomy: methods
  • Radius Fractures: surgery
  • Internal: methods
  • Minimally Invasive: methods
  • Malunited: surgery
  • Fracture Fixation
  • Radius Fractures: physiopathology
  • Bone Substitutes: administration & dosage

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