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Archives of Orthopaedic and Trauma Surgery

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01-10-2008 | Orthopaedic Surgery

Good survival of uncemented tapered stems for failed intertrochanteric osteotomy: a mean 16 year follow-up study in 45 patients

Authors: Dominik Parsch, Alexander W. Jung, Marc Thomsen, Volker Ewerbeck, Peter R. Aldinger

Published in: Archives of Orthopaedic and Trauma Surgery | Issue 10/2008

Abstract

Introduction

Inferior survival of cemented total hip arthroplasty has been reported after previous femoral osteotomy. We previously presented 5–15 years results of uncemented femoral stems for this subgroup of patients. The purpose of the present study was to re-evaluate that same patient group at 10–20 years follow-up.

Materials and methods

Forty-eight hips in 45 patients had undergone conversion THA for a failed intertrochanteric osteotomy of the hip after a mean of 12 years (2–33 years). Mean time of follow-up was 16 years (10–20 years).

Results

At the latest follow-up five patients had died (five hips), and one patient (one hip) remained lost to follow-up. Compared to the previous evaluation, one more patient required femoral revision for aseptic loosening giving a total of four patients (four hips) with femoral revision––one for infection and three for aseptic loosening of the stem. Survival of the stem was 91% at 15 and 20 years respectively; survival with femoral revision for aseptic loosening as an end point was 93%. The median Harris-Hip-Score at final follow-up was 76 points (previously 80 points). Radiolucent lines in Gruen zones 1 and 7 were present in 20 and 17% of hips, respectively. Radiolucencies in other zones were not detected. There was no radiographic evidence of femoral osteolysis, stress-shielding or loosening.

Conclusion

The long-term results with this type of uncemented tapered titanium femoral component after proximal femoral osteotomy remain encouraging and compare favorably to those achieved in patients with regular femoral anatomy.

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Title: Good survival of uncemented tapered stems for failed intertrochanteric osteotomy: a mean 16 year follow-up study in 45 patients
Authors: Dominik Parsch
Alexander W. Jung
Marc Thomsen
Volker Ewerbeck
Peter R. Aldinger
Publication date: 01-10-2008
Publisher: Springer-Verlag
Published in: Archives of Orthopaedic and Trauma Surgery / Issue 10/2008
Print ISSN: 0936-8051
Electronic ISSN: 1434-3916
DOI: https://doi.org/10.1007/s00402-007-0444-2

At a glance: The STEP trials

Springer Medicine

Good survival of uncemented tapered stems for failed intertrochanteric osteotomy: a mean 16 year follow-up study in 45 patients

Abstract

Introduction

Materials and methods

Results

Conclusion

At a glance: The STEP trials

Springer Medicine

Abstract

Introduction

Materials and methods

Results

Conclusion

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