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Fractures: Bone Repair

Fractures: Bone Repair

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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Updated: Jun 15, 2025

Minimally Invasive Treatment for Thoracolumbar Burst Fracture Using Sagittal Alignment Screws and A Trauma Reduction Device

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Update on Atypical Femoral Fractures.

Paul A Anderson¹, Stephen L Kates², Nelson B Watts³

¹Department of Orthopedics and Rehabilitation, University of Wisconsin, Madison, Wisconsin.

The Journal of Bone and Joint Surgery. American Volume

|August 22, 2024

Summary

This summary is machine-generated.

Atypical femoral fractures (AFFs), linked to long-term antiresorptive drugs, present with pain and a "dreaded black line." Treatment varies from nonoperative measures to intramedullary nailing for severe cases.

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Area of Science:

Orthopedics
Pharmacology
Radiology

Background:

Atypical femoral fractures (AFFs) are stress fractures associated with prolonged antiresorptive medication use.
These fractures occur between the lesser trochanter and metaphyseal flare, often presenting with prodromal pain.
A characteristic radiographic finding is the "dreaded black line" in the lateral cortex.

Purpose of the Study:

To summarize the etiology, diagnosis, and management of atypical femoral fractures.
To highlight key clinical and radiographic features.
To outline current treatment strategies based on fracture severity.

Main Methods:

Review of literature on atypical femoral fractures.
Analysis of diagnostic criteria and imaging findings.
Evaluation of nonoperative and operative treatment outcomes.

Main Results:

AFFs are linked to 3-5 years of antiresorptive use.
Prodromal pain is common and often misdiagnosed.
Complete fractures typically require intramedullary nailing; delayed healing is expected.

Conclusions:

Nonoperative management includes medication withdrawal and optimizing bone health.
Intramedullary nailing is indicated for complete or visibly fractured incomplete AFFs.
The role of PTH analogs in AFF healing requires further investigation.