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Percutaneous Fixation with Kirschner Wires versus Volar Locking Plate Fixation in Adults with Dorsally Displaced Fracture of Distal Radius: Randomised Controlled Trial

·BMJ·2014·214 citations·Hand & Upper
Free Full Text·DOI·PubMed
SummaryAbstract on PubMed →

The DRAFFT trial is a landmark multicentre RCT comparing Kirschner wire fixation to volar locking plate fixation for surgically treated dorsally displaced distal radius fractures. It enrolled 461 adults across 18 UK trauma centres and followed them for 12 months using the Patient Rated Wrist Evaluation as the primary outcome.

Study Snapshot

Design
Multicenter RCT
Blinding: Single-blind
Setting: 18 trauma centres, United Kingdom
Objective
Whether K-wire fixation matches volar locking plate fixation for distal radius fractures
Outcome(s)
Patient-rated wrist evaluation (PRWE) score at 12 months
Subjects
461 adults with dorsally displaced distal radius fractures
  • 230Kirschner wire percutaneous fixation
  • 231Volar locking plate fixation
Inclusion
  • Dorsally displaced distal radius fracture
  • Within 3 cm of radiocarpal joint
  • Requires surgical fixation
Exclusion
  • Articular surface displacement requiring open reduction
Follow-up
12 months
Statistics
Confidence intervalsintention-to-treat analysis

Key Findings

  • No clinically meaningful difference in wrist function existed between the two fixation methods at any time point over 12 months. The PRWE treatment effect was −1.3 points (95% CI −4.5 to 1.8; P=0.40), well below the 6-point minimum clinically important difference.
  • Kirschner wire fixation was significantly faster, with a median operative time of 31 minutes versus 66 minutes for locking plate (median difference 31 minutes; P<0.001). For a high-volume fracture, this has real throughput and cost implications.
  • Complication rates were equivalent between groups. Neurological injury, tendon injury, superficial infection, refracture, and deep infection all showed no significant between-group differences.
  • Perioperative antibiotic use was higher in the plate group (83% vs 71%; OR 3.5, 95% CI 2.0–6.5; P<0.001), consistent with the more invasive nature of open fixation.
  • At 12 months, wrist function in both groups remained approximately 15% worse than pre-injury baseline, regardless of fixation method — counseling patients about incomplete recovery is important for both techniques.
Board PearlKirschner wires achieve equivalent 12-month wrist function to volar locking plates for dorsally displaced distal radius fractures, while being faster and cheaper.

Clinical Relevance

For years, volar locking plates rapidly displaced Kirschner wires as the dominant fixation method for distal radius fractures, driven by biomechanical superiority and early small-trial data suggesting faster functional recovery. The DRAFFT trial is the evidence that challenged this trend head-on.

When you see a dorsally displaced distal radius fracture requiring surgical fixation that can be reduced by indirect means, this paper tells you that Kirschner wire fixation is a fully acceptable choice. It is faster, requires less antibiotic prophylaxis, and produces equivalent 12-month wrist function and quality of life.

The key clinical caveat: these results apply only to fractures reducible without direct joint exposure. Fractures with irreducible articular displacement were excluded and remain a separate decision. Counsel patients preoperatively that regardless of fixation method, wrist function at one year will likely remain about 15% below their pre-injury baseline.

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|

Percutaneous Fixation with Kirschner Wires versus Volar Locking Plate Fixation in Adults with Dorsally Displaced Fracture of Distal Radius: Randomised Controlled Trial

·BMJ·2014·214 citations·Hand & Upper
Free Full Text·DOI·PubMed
SummaryAbstract on PubMed →

The DRAFFT trial is a landmark multicentre RCT comparing Kirschner wire fixation to volar locking plate fixation for surgically treated dorsally displaced distal radius fractures. It enrolled 461 adults across 18 UK trauma centres and followed them for 12 months using the Patient Rated Wrist Evaluation as the primary outcome.

Study Snapshot

Design
Multicenter RCT
Blinding: Single-blind
Setting: 18 trauma centres, United Kingdom
Objective
Whether K-wire fixation matches volar locking plate fixation for distal radius fractures
Outcome(s)
Patient-rated wrist evaluation (PRWE) score at 12 months
Subjects
461 adults with dorsally displaced distal radius fractures
  • 230Kirschner wire percutaneous fixation
  • 231Volar locking plate fixation
Inclusion
  • Dorsally displaced distal radius fracture
  • Within 3 cm of radiocarpal joint
  • Requires surgical fixation
Exclusion
  • Articular surface displacement requiring open reduction
Follow-up
12 months
Statistics
Confidence intervalsintention-to-treat analysis

Key Findings

  • No clinically meaningful difference in wrist function existed between the two fixation methods at any time point over 12 months. The PRWE treatment effect was −1.3 points (95% CI −4.5 to 1.8; P=0.40), well below the 6-point minimum clinically important difference.
  • Kirschner wire fixation was significantly faster, with a median operative time of 31 minutes versus 66 minutes for locking plate (median difference 31 minutes; P<0.001). For a high-volume fracture, this has real throughput and cost implications.
  • Complication rates were equivalent between groups. Neurological injury, tendon injury, superficial infection, refracture, and deep infection all showed no significant between-group differences.
  • Perioperative antibiotic use was higher in the plate group (83% vs 71%; OR 3.5, 95% CI 2.0–6.5; P<0.001), consistent with the more invasive nature of open fixation.
  • At 12 months, wrist function in both groups remained approximately 15% worse than pre-injury baseline, regardless of fixation method — counseling patients about incomplete recovery is important for both techniques.
Board PearlKirschner wires achieve equivalent 12-month wrist function to volar locking plates for dorsally displaced distal radius fractures, while being faster and cheaper.

Clinical Relevance

For years, volar locking plates rapidly displaced Kirschner wires as the dominant fixation method for distal radius fractures, driven by biomechanical superiority and early small-trial data suggesting faster functional recovery. The DRAFFT trial is the evidence that challenged this trend head-on.

When you see a dorsally displaced distal radius fracture requiring surgical fixation that can be reduced by indirect means, this paper tells you that Kirschner wire fixation is a fully acceptable choice. It is faster, requires less antibiotic prophylaxis, and produces equivalent 12-month wrist function and quality of life.

The key clinical caveat: these results apply only to fractures reducible without direct joint exposure. Fractures with irreducible articular displacement were excluded and remain a separate decision. Counsel patients preoperatively that regardless of fixation method, wrist function at one year will likely remain about 15% below their pre-injury baseline.

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