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Related Concept Videos

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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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During the postoperative period, it is crucial to focus on maintaining circulation, identifying and managing potential complications, and planning for discharge.Nursing AssessmentVital signs monitoring: Regularly monitor vital signs, including blood pressure, heart rate, respiratory rate, and temperature, to detect early signs of complications such as bleeding and infection.Circulation assessment: Monitor pulses, perform Doppler assessments, and check capillary refill, color, temperature, and...
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Related Experiment Video

Updated: Aug 21, 2025

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

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Risk Factors for Reoperation to Promote Union in 1111 Distal Femur Fractures.

Christopher Lee1, Dane Brodke1, Nathan O'Hara2

  • 1University of California, Los Angeles, CA.

Journal of Orthopaedic Trauma
|November 15, 2022
PubMed
Summary

Eleven percent of distal femur fractures require reoperation for healing. Key risk factors include higher body mass index, intra-articular fractures, open injuries, and specific fracture patterns.

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Area of Science:

  • Orthopedic Surgery
  • Trauma Surgery
  • Biomechanical Engineering

Background:

  • Distal femur fractures are complex injuries requiring surgical intervention.
  • Promoting fracture union is critical to patient recovery and function.
  • Identifying risk factors for reoperation can guide treatment strategies.

Purpose of the Study:

  • To identify modifiable and nonmodifiable risk factors associated with reoperation after distal femur fracture fixation.
  • To inform clinical decision-making and potentially reduce reoperation rates.

Main Methods:

  • Multicenter retrospective cohort study involving 1111 patients with OTA/AO 33A or C distal femur fractures.
  • Analysis of surgical fixation methods including lateral plate, dual plate, nail, or nail plate combinations.
  • Multivariate analysis to determine predictors of unplanned reoperation to promote union.

Main Results:

  • An 11% rate of unplanned reoperation for union was observed.
  • Predictive factors for reoperation included elevated body mass index, intra-articular involvement, type III open injury, medial comminution, and medial translation on radiographs.
  • Surgical construct type was not found to be a significant predictor.

Conclusions:

  • Several patient-related and fracture-specific factors predict the need for reoperation to achieve union in distal femur fractures.
  • Focusing on modifiable factors like weight management and optimizing surgical technique for complex fracture patterns may be beneficial.
  • Further research with larger sample sizes for specific construct types is warranted.