Evaluation of the three-dimensional bony coverage before and after rotational acetabular osteotomy

International Orthopaedics
Takeyuki TanakaSakae Tanaka

Abstract

Rotational acetabular osteotomy is a type of pelvic osteotomy that involves rotation of the acetabular bone to improve the bony coverage of the femoral head for patients with acetabular dysplasia. Favourable post-operative long-term outcomes have been reported in previous studies. However, there is a paucity of published data regarding three-dimensional bony coverage. The present study investigated the three-dimensional bony coverage of the acetabulum covering the femoral head in hips before and after rotational acetabular osteotomy and in normal hips. The computed tomography data of 40 hip joints (12 joints before and after rotational acetabular osteotomy; 16 normal joints) were analyzed. The three-dimensional bony coverage of each joint was evaluated using original software. The post-operative bony coverage improved significantly compared with pre-operative values. In particular, the anterolateral aspect of the acetabulum tended to be dysplastic in patients with acetabular dysplasia compared to those with normal hip joints. However, greater bony coverage at the anterolateral aspect was obtained after rotational acetabular osteotomy. Meanwhile, the results of the present study may indicate that the bony coverage in the anterio...Continue Reading

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Citations

Nov 23, 2019·The Anatomical Record : Advances in Integrative Anatomy and Evolutionary Biology·Keisuke UemuraAndrew E Anderson
Oct 30, 2020·Orthopaedic Journal of Sports Medicine·Munif HatemHal David Martin

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