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Related Concept Videos

Fractures: Bone Repair01:27

Fractures: Bone Repair

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Treatment for a fracture is based on the type of break, the bone affected, and the patient's age.
Minor fractures with no bone displacement are treated by immobilizing the fractured bone using a cast or splint. However, in the case of fractures with displaced bones, the broken bones are repositioned before immobilization to ensure successful healing without deformation and loss of function. The realignment of fractured bone ends is performed through a process called reduction. If the...
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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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Treatment with Locking Intramedullary Nailing for Intertrochanteric Fracture of the Femur Utilizing a New Awl with a Distal Positioner

Published on: June 6, 2025

122

Reverse Obliquity Intertrochanteric Fracture Treated with a Dynamic Distal Locked Intramedullary Hip Nail.

Toru Matsugaki1, Hideki Mizu-Uchi1, Hideaki Shibata1

  • 1Department of Orthopaedic Surgery, Saiseikai Fukuoka General Hospital.

The Kurume Medical Journal
|August 6, 2023
PubMed
Summary

Dynamic distal locked intramedullary hip nails effectively treated reverse obliquity intertrochanteric fractures, achieving bone union in all patients. This surgical option shows promise for managing these complex hip fractures.

Keywords:
bone-to-bone contactcompressive forcedynamic distal lockingintramedullary hip nailreverse obliquity intertrochanteric fracture

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Area of Science:

  • Orthopedic Surgery
  • Traumatology
  • Biomedical Engineering

Background:

  • Reverse obliquity intertrochanteric fractures present unique challenges in orthopedic trauma.
  • Current treatment strategies require evaluation for efficacy and patient outcomes.

Purpose of the Study:

  • To assess the clinical and radiological outcomes of treating reverse obliquity intertrochanteric fractures.
  • To evaluate the effectiveness of dynamic distal locked intramedullary hip nails in managing these fractures.

Main Methods:

  • Retrospective analysis of 10 patients with AO/OTA type 31 A3.1 or A3.3 fractures.
  • Surgical treatment utilized dynamic distal locked intramedullary hip nails.
  • Evaluation included fracture type, reduction quality, fragment displacement, bone union, complications, and ambulation.

Main Results:

  • All 10 patients achieved bone union without complications like infection or implant failure.
  • Anatomical reduction was achieved in 60% of cases; 90% showed lateral migration of the distal fragment.
  • Walking ability declined in 40% of patients post-operatively.

Conclusions:

  • Dynamic distal locked intramedullary hip nailing is a viable treatment option for reverse obliquity intertrochanteric fractures.
  • Bone union is facilitated by medial cortical contact or distal fragment migration.
  • Further research may explore optimizing this technique to improve functional outcomes.