Acetabular coverage of the femoral head after triple pelvic osteotomy - No relation to outcome in 51 hips followed for 8-15 years

被引:24
作者
de Kleuver, M
Kapitein, PJC
Kooijman, MAP
van Limbeek, J
Pavlov, PW
Veth, RPH
机构
[1] St Maartensklin, Dept Orthopaed Surg, NL-6522 JV Nijmegen, Netherlands
[2] Univ Nijmegen St Radboud Hosp, Dept Orthopaed Surg, NL-6500 HB Nijmegen, Netherlands
来源
ACTA ORTHOPAEDICA SCANDINAVICA | 1999年 / 70卷 / 06期
关键词
D O I
10.3109/17453679908997846
中图分类号
R826.8 [整形外科学]; R782.2 [口腔颌面部整形外科学]; R726.2 [小儿整形外科学]; R62 [整形外科学(修复外科学)];
学科分类号
摘要
In developmental dysplasia of the hip in adolescents and young adults, pelvic osteotomies aim to improve acetabular coverage of the femoral head by reorienting the acetabulum, We determined whether acetabular coverage is related to long-term clinical results after triple osteotomy of the pelvis. We used a previously published computer program (Konishi and Mieno 1993) which calculates three-dimensional coverage of the femoral head from plain anteroposterior radiographs. We studied the pelvic radiographs of 51 hips in 43 patients and the results were correlated with studies on clinical outcome (de Kleuver et at. 1997). Total acetabular coverage improved from a mean of 56% to 70%. We did not find a relationship between total acetabular coverage and long-term outcome, nor could we determine an optimal coverage. Reduced coverage of the posterolateral quadrant of the femoral head was related to a reduced score for walking ability (p = 0.03), and therefore care should be taken not to overcorrect the acetabulum forwards when attempting to improve the deficient anterior coverage. We challenge the concept that total acetabular coverage is a prerequisite for a good long-term outcome after triple pelvic osteotomy, and hypothesize that other factors such as the change in load across the hip are probably more important in determining the outcome.
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页码:583 / 588
页数:6
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