Article

Leg length change in total hip arthroplasty with subtrochanteric femoral shortening osteotomy for Crowe type IV developmental hip dysplasia.

Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, Kobe, Hyogo, Japan.
The Journal of arthroplasty (impact factor: 1.79). 04/2012; 27(6):1019-22. DOI:10.1016/j.arth.2012.01.032 pp.1019-22
Source: PubMed

ABSTRACT Primary total hip arthroplasties were performed in 70 hips for the treatment of Crowe type IV developmental dysplasia of the hip. The patients were subdivided into 2 groups with or without iliofemoral osteoarthritis. Leg length change was measured radiographically. Preoperative hip motion was reviewed from medical records and defined as either higher or lower motion groups. The leg length change in patients without iliofemoral osteoarthritis was significantly greater than that in patients with iliofemoral osteoarthritis, and the higher hip motion group had greater leg length change in total hip arthroplasty than the lower motion group. The current study identifies several features that might help predict leg length change during the preoperative planning of total hip arthroplasty for Crowe type IV developmental hip dysplasia.

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Keywords

2 groups
 
Crowe type IV developmental dysplasia
 
Crowe type IV developmental hip dysplasia
 
higher hip motion group
 
iliofemoral osteoarthritis
 
leg length change
 
lower motion group
 
lower motion groups
 
medical records
 
Preoperative hip motion
 
preoperative planning
 
Primary total hip arthroplasties
 
radiographically
 
total hip arthroplasty
 

Takaaki Fujishiro