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Related Experiment Video

Updated: Feb 14, 2026

Theoretical Calculation and Experimental Verification for Dislocation Reduction in Germanium Epitaxial Layers with Semicylindrical Voids on Silicon
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Radiocarpal dislocations and fracture-dislocations: Injury types and long-term outcomes.

C Spiry1, G Bacle1, E Marteau1

  • 1CHRU hôpitaux de Tours, Trousseau, avenue de la République, 37170 Chambray-lès-Tours, France.

Orthopaedics & Traumatology, Surgery & Research : OTSR
|February 12, 2018
PubMed
Summary
This summary is machine-generated.

Radiocarpal fracture-dislocations (RCFD) often require surgical intervention. Effective reduction and stabilization lead to good long-term functional outcomes and minimal osteoarthritis development.

Keywords:
Radiocarpal dislocationRadiocarpal fracture-dislocationRadiolunate arthrodesisRadiostyloid marginal fracture

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Area of Science:

  • Orthopedic Surgery
  • Traumatology
  • Wrist Biomechanics

Background:

  • Radiocarpal dislocation (RCD) and fracture-dislocations (RCFD) are severe wrist injuries with poorly defined treatment protocols and outcomes.
  • This study addresses the need for better understanding of RCFD management and long-term results.

Purpose of the Study:

  • To describe the prevalence of different radiocarpal fracture-dislocation injury types.
  • To evaluate the long-term functional outcomes and complications associated with RCFD.

Main Methods:

  • Retrospective review of 41 patients with RCFD treated between 1992 and 2014.
  • Classification of injuries using the Dumontier system.
  • Long-term follow-up assessment of 13 patients (mean 168 months) including range of motion, grip strength, pain (VAS), and functional scores (QuickDASH, PWRE).

Main Results:

  • The majority of injuries were Dumontier type 2 (37/41).
  • At long-term follow-up, patients reported a mean flexion-extension of 100°, 86% grip strength, low pain (VAS 1.3), and moderate functional scores (QuickDASH 23, PWRE 27).
  • Six patients required secondary wrist fusion, and six developed osteoarthritis.

Conclusions:

  • Dorsal approach for RCD reduction and stabilization avoids unnecessary volar procedures.
  • Anatomical reduction and radiostyloid pinning may suffice for RCFD, potentially avoiding open surgery.
  • Radiolunate fusion is a viable option for secondary instability.
  • Effective radiocarpal reduction and stabilization, without radial or intracarpal fractures, correlate with favorable outcomes and low osteoarthritis incidence.