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Title: Total hip arthroplasty in patients less than 40 years old with avascular necrosis of the femoral head. A 5 to 19-year follow-up study
Authors: Simon, Jean-Pierre ×
Berger, P.
Bellemans, Johan #
Issue Date: 2011
Publisher: Acta Medica Belgica
Series Title: Acta Orthopaedica Belgica vol:77 pages:53-60
Abstract: We evaluated 34 total hip arthroplasties (THA) for
avascular necrosis of the femoral head in 26 patients
who were younger than 40 years at the time of the
index operation. The average age at the time of THA
was 28.3 (17-38) years. The mean follow-up was 10.9
(5-19) years. We used 6 cemented and 28 cementless
acetabular components and a cemented polished
tapered stem in all hips. The mean Charnley modified
Merle d’ Aubigné Postel score was 8.9 points pre -
operatively and 16.6 points at final follow-up. Two
cemented metal-backed cups were revised because of
aseptic loosening at 10 years, one cemented polyethylene
cup failed at 12 years and 2 more all polyethylene
cups had pending failure. The metal-backed cemented
cups and the all polyethylene cups had a longer
follow-up than the uncemented cups. Therefore and
because of the proven unfavourable long term outcome
of the cemented metal-backed ExeterTM cup we
are not able to draw any firm conclusions regarding
the preferred choice between cemented and uncemented
cups in this particular group of patients. On
the femoral site none of the stems had to be revised.
Our results show that a cemented polished tapered
femoral component has an excellent survival in primary
total hip replacement in young patients with
avascular necrosis of the femoral head.
ISSN: 0001-6462
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Orthopaedics Section (-)
× corresponding author
# (joint) last author

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