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Trochanteric union in revision hip arthroplasty
P Nicholson1, D Mulcahy, G Fenelon
1Department of Orthopaedic Surgery, Adelaide Hospital, Dublin, Republic of Ireland.
The Journal of Arthroplasty
|February 15, 2001
Summary
Revision hip arthroplasty using a transtrochanteric approach can successfully treat trochanteric pseudarthrosis. Repeated osteotomies did not increase morbidity or negatively impact clinical outcomes in this patient subgroup.
Area of Science:
- Orthopedic Surgery
- Biomedical Engineering
Background:
- Revision hip arthroplasty is a complex procedure.
- The transtrochanteric approach is frequently used but can lead to complications such as pseudarthrosis.
- Understanding trochanteric union after repeated transtrochanteric osteotomies is crucial for patient management.
Purpose of the Study:
- To evaluate the rate of trochanteric union after revision hip arthroplasty using a transtrochanteric approach.
- To assess the clinical outcomes and morbidity associated with repeated transtrochanteric osteotomies.
Main Methods:
- Retrospective review of 69 patients undergoing revision hip arthroplasty with a transtrochanteric approach.
- Analysis of pre- and post-revision trochanteric union status.
- Assessment of Harris hip scores and patient morbidity.
Main Results:
- Pre-revision, 29% of patients had trochanteric pseudarthrosis.
- Post-revision, the pseudarthrosis rate decreased to 14%.
- Repeated transtrochanteric osteotomies showed no significant increase in morbidity and did not negatively affect clinical outcomes (mean Harris hip score: 86).
Conclusions:
- Revision hip arthroplasty with a transtrochanteric approach is effective in healing trochanteric pseudarthrosis.
- Repeated transtrochanteric osteotomies are safe and do not compromise functional outcomes in revision hip arthroplasty.