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Treatment with Locking Intramedullary Nailing for Intertrochanteric Fracture of the Femur Utilizing a New Awl with a Distal Positioner
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MCP arthrodesis using an intramedullary interlocking device.

Jacqueline C Vanderzanden1, Brian D Adams2, Justin J Guan3

  • 1Department of Orthopedic Surgery and Rehabilitation, University of Iowa, Iowa City, IA 52242 USA ; New England Orthopedics, Baystate Medical Center, 300 Birnie Ave, Suite 201, Springfield, MA 01107 USA.

Hand (New York, N.Y.)
|May 20, 2014
PubMed
Summary
This summary is machine-generated.

This study shows that using an intramedullary compression device for thumb metacarpophalangeal joint (MCPJ) arthrodesis leads to quick, solid fusion. The technique offers strong fixation without hardware issues, simplifying recovery for patients with arthritis or instability.

Keywords:
ArthritisArthrodesisFusionJoint fusionMCPMCPJMetacarpophalangeal jointOsteoarthritisRheumatoid arthritis

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Area of Science:

  • Orthopedic Surgery
  • Hand Surgery
  • Surgical Techniques

Background:

  • Various techniques exist for thumb metacarpophalangeal joint (MCPJ) arthrodesis to treat arthritis and instability.
  • This study focuses on a retrospective review of thumb MCPJ arthrodesis using a specific intramedullary compression device.

Purpose of the Study:

  • To evaluate the efficacy and safety of a 25° fixed-angle intramedullary compression device for thumb MCPJ arthrodesis.
  • To assess fusion rates, fixation strength, and complication incidence.

Main Methods:

  • Retrospective chart and radiographic review of 17 patients undergoing thumb MCPJ arthrodesis with the intramedullary device.
  • Evaluation of final radiographs for fusion angle, bony fusion, and implant fixation.
  • Documentation of all surgical and follow-up complications.

Main Results:

  • All 17 patients achieved clinical and radiographic evidence of fusion within an average of 7.9 weeks.
  • The average fusion angle was 24.4°, closely matching the device's intended angle.
  • No hardware complications, infections, or revisions were reported; 12 patients also underwent trapeziometacarpal (TMC) arthroplasty.

Conclusions:

  • The intramedullary compression device facilitates rapid union at a precise angle for thumb MCPJ arthrodesis.
  • The technique provides robust fixation, potentially reducing the need for prolonged immobilization.
  • It is a safe and effective option, even when combined with other procedures like TMC arthroplasty.