Abstract:
PURPOSE:In reconstruction of congenital hip dislocation by total hip arthroplasty (THA), positioning of the acetabular component in the true acetabulum is sometimes accompanied by shortening of the femur. Shortening of the femur is of importance for minimising risk of damaging neurovascular structures due to excessive limb lengthening. Furthermore, reduction of the femoral head into the true acetabulum remains challenging without shortening of the femur. METHODS:We performed a consecutive case series of cementless THA with femoral shortening and Crowe type 4 congenital dislocation. All acetabular cups were placed in their original anatomical location. In all cases a proximal diaphyseal step-cut shortening osteotomy was performed and stabilised with two to three titanium cerclage bands. RESULTS:At an average of 60 months follow-up (range 36-96), 12 patients (13 THA) were scored clinically by the Merle D'Aubigne and Harris hip scores. In ten cases good to excellent outcome scores were observed. During the follow-up period no cases of aseptic loosening, nerve palsy, nonunions or dislocations were found. CONCLUSIONS:This technique seems to be an excellent treatment option in the case of Crowe type 4 hips presenting with endstage osteoarthritis.
journal_name
Int Orthopjournal_title
International orthopaedicsauthors
Neumann D,Thaler C,Dorn Udoi
10.1007/s00264-011-1293-8subject
Has Abstractpub_date
2012-03-01 00:00:00pages
499-503issue
3eissn
0341-2695issn
1432-5195journal_volume
36pub_type
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