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Complications of intertrochanteric rotational osteotomy
Skeletal Radiology
|January 1, 1983
Summary
Intertrochanteric anterior rotational osteotomy can treat femoral head osteonecrosis by rotating the necrotic bone. However, complications like non-union and further osteonecrosis can occur, even without clear radiographic signs.
Area of Science:
- Orthopedic surgery
- Radiology
- Bone disease
Background:
- Osteonecrosis of the femoral head (ONFH) is a debilitating condition.
- Intertrochanteric anterior rotational osteotomy is an emerging surgical technique for ONFH.
- Radiographic assessment is crucial for evaluating surgical outcomes and complications.
Purpose of the Study:
- To describe the radiographic appearance of intertrochanteric anterior rotational osteotomy.
- To evaluate the efficacy of this procedure in treating ONFH.
- To identify and assess surgical complications associated with the osteotomy.
Main Methods:
- Retrospective review of radiographic findings in four patients.
- Analysis of immediate postoperative and follow-up radiographs (12-30 months).
- Correlation of radiologic findings with clinical outcomes.
Main Results:
- Postoperative radiographs confirmed anterior rotation of the necrotic femoral head, rendering it non-weight-bearing.
- Three out of four patients experienced complications: osteotomy non-union, further femoral head osteonecrosis with collapse, and persistent pain.
- Radiology effectively identified non-union and hardware loosening but did not always correlate with clinical deterioration.
Conclusions:
- Intertrochanteric anterior rotational osteotomy can achieve anterior rotation of the femoral head, aiming to relieve weight-bearing on necrotic bone.
- Significant complications can arise post-procedure, including non-union and progression of osteonecrosis.
- Radiographic monitoring is essential for detecting complications, but clinical outcomes may not always align with imaging findings, necessitating comprehensive patient assessment.