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Technical Note Surface Hip Replacement: Rotating The Acetabular Component 1800 To Improve Fixation Utilising Ischio-Pubic Splines In Patients With Shallow Or Deficient Sockets

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Author(s): H Sharma

Journal: Journal of Orthopaedics
ISSN 0972-978X

Volume: 3;
Issue: 1;
Date: 2006;
Original page

Keywords: Metal-on-Metal hip resurfacing | Cemented | Uncemented | Acetabular component | Femoral component.

ABSTRACT
Background: The Hip Resurfacing System offers an attractive option for the treatment of coxarthrosis with gratifying outcome in the young and active patients. Achieving full seating of the acetabular component in shallow or anatomically deficient sockets can sometimes be technically difficult while performing Metal-on-Metal hip resurfacing. Methods: In shallow or deficient sockets, we described a simple technique by 1800 rotation of the Cormet 2000 metal-on-metal resurfacing pegged acetabular prosthesis. This works by utilising ischio-pubic splines for superolateral socket engagement. Between June 2000 to November 2001, we have used this technique in four hips (three patients, one bilateral) performed in a district general hospital of the UK. Results: The mean age at primary operation was 37.3 years (range. 34 to 44 years). There were one male and two female patients. There were 2 right sided and 2 left sided procedures. Two cases had dysplastic disease of the hip (DDH), while bilateral case was diagnosed with multiple epiphyseal dysplasia. The follow up ranged from a minimum of 27 months to a maximum of 48 months with an average follow up of 37.2 months. None of the patients needed revision of the components, dislocation or deep infections. Conclusions: Rotating the acetabular component 1800 in shallow or deficient sockets works satisfactorily by utilizing the ischio-pubic splines for superolateral socket engagement and should be considered as one of the viable option with or without structural augmentation.
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