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Updated: Feb 15, 2026

Protocol for Developing a Femur Osteotomy Model in Wistar Albino Rats
Published on: August 31, 2022
Double Oblique Osteotomy: A Technique for Correction of Posttraumatic Deformities of the Distal Femur
Michael A Miranda1, Joseph P DeAngelis2,3, George H Canizares4
1Department of Orthopedics, Orthopedic Associates of Hartford, Hartford Hospital, University of Connecticut, Hartford, CT.
Objective:
To evaluate the outcomes of a double oblique osteotomy for the management of distal femoral malunions and a combination malunion/nonunion.
Design:
Case series.
Setting:
Level 1/2 hospital.
Patients/Participants:
Ten patients with a mean age of 50 years (range 30-69 years) with posttraumatic deformities of the distal femur.
Intervention:
A 2-level, length-sparing osteotomy was performed in accordance with a detailed preoperative plan for correction of the mechanical axis in a distal femoral deformity.
Main Outcome Measurements:
Radiographic alignment and physical examination.
Results:
Average length of follow-up was 26 months. The average coronal plane correction was 12 degrees (range 4-20 degrees) for a residual coronal plane deformity average of 0 degrees. The residual flexion deformity was less than 10 degrees in all cases. All rotational deformities were corrected to within 5 degrees of neutral. The average limb length correction was 1.6 cm (range 0.4-2.6 cm). Eight patients recovered without complication. One patient received bone grafting to achieve union, and a prominent angled blade plate was removed in another. An isolated saphenous nerve sensory deficit resolved spontaneously.
Conclusions:
The double oblique osteotomy is a reliable technique for the correction of multiplane deformities of the distal femur.
Level Of Evidence:
Therapeutic Level IV. See Instructions for Authors for a complete description of levels of evidence.
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