Original methods to move femoral head medially and caudally after rotational acetabular osteotomy: especially to use ceramic spacer

The operative procedures chosen to treat arthrosis in patients with severe acetabular dysplasia vary among orthopaedic surgeons, particularly in younger patients. We operated on 450 hips with acetabular dysplasia by using the rotational acetabular osteotomy (RAO) method of Ninomiya and Tagawa by Nin...

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Bibliographic Details
Published in:Archives of orthopaedic and trauma surgery 2006-08, Vol.126 (6), p.421-424
Main Authors: Nozawa, Masahiko, Shitoto, Katsuo, Mastuda, Keiji, Maezawa, Katuhiko, Ogawa, Seiki, Yuasa, Takahito, Aritomi, Kentaro, Kurosawa, Hisashi
Format: Article
Language:English
Subjects:
Acetabulum - surgery
Adult
Calcium Phosphates
Female
Hip Dislocation, Congenital - surgery
Humans
Hydroxyapatites
Male
Orthopedic Procedures - methods
Osteotomy
Prostheses and Implants
Rotation
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Summary:The operative procedures chosen to treat arthrosis in patients with severe acetabular dysplasia vary among orthopaedic surgeons, particularly in younger patients. We operated on 450 hips with acetabular dysplasia by using the rotational acetabular osteotomy (RAO) method of Ninomiya and Tagawa by Ninomiya (Clin Orthop 247:127-137, 1989). In this report, we describe our technique of performing RAO with hydroxyapatite tricalcium phosphate-composite (HAP-TCP) blocks to achieve good acetabular coverage and the results of this procedure in 16 hips with severe dysplasia, including nine with advanced arthrosis. Adequate coverage of the osteotomized acetabulum was maintained and symptoms, especially pain, showed marked improvement at the latest follow up.
ISSN:0936-8051
1434-3916
DOI:10.1007/s00402-006-0156-z