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Related Concept Videos

Fractures: Bone Repair01:27

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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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Predictors and reduction techniques for irreducible reverse intertrochanteric fractures.

You-Liang Hao1, Zhi-Shan Zhang2, Fang Zhou1

  • 1Department of Orthopedics, Peking University Third Hospital, Beijing 100191, China.

Chinese Medical Journal
|October 29, 2019
PubMed
Summary

Many reverse intertrochanteric fractures are irreducible with closed reduction. Predictors include medial femoral shaft displacement, lesser trochanter displacement, and lateral femoral wall displacement, requiring specific management strategies.

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Area of Science:

  • Orthopaedic Surgery
  • Traumatology
  • Radiology

Background:

  • Reverse intertrochanteric fractures often require open reduction when closed reduction fails.
  • Limited research exists on predictors and techniques for irreducible fractures.
  • This study addresses these knowledge gaps.

Purpose of the Study:

  • To identify displacement patterns in irreducible reverse intertrochanteric fractures.
  • To describe corresponding reduction techniques.
  • To explore predictors of irreducibility.

Main Methods:

  • Retrospective review of 113 reverse intertrochanteric fractures (out of 1174 trochanteric fractures).
  • Intra-operative fluoroscopy used to determine irreducibility after closed manipulation.
  • Logistic regression analysis performed on potential predictors (demographics, AO/OTA classification, radiographic features).

Main Results:

  • 67% (76/113) of fractures were irreducible.
  • Six displacement patterns identified; most common was medial femoral shaft displacement with posterior sagging.
  • Key predictors of irreducibility: medial femoral shaft displacement (OR 8.00), displaced lesser trochanter (OR 3.61), and displaced lateral femoral wall (OR 2.92).

Conclusions:

  • A significant proportion of reverse intertrochanteric fractures are irreducible by closed methods.
  • Specific displacement patterns necessitate tailored reduction techniques.
  • Medial femoral shaft, lesser trochanter, and lateral femoral wall displacement predict irreducibility, guiding clinical management.