Long-term behaviour of the Charnley offset-bore acetabular cup

Ioannidis, Theologos T; Zacharakis, Nikolaos; Magnissalis, Evangelos A.; Eliades, G.; Hartofilakidis, George

doi:10.1302/0301-620x.80b1.0800048

Cited by 8 publications

(5 citation statements)

References 25 publications

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“…25,[35][36][37][38][39][40][41] Others have advocated proximal or medial placement of the acetabular component, sometimes even fracturing the medial wall. 38,[42][43][44][45] However, these methods compromise the biomechanics of the hip. 1,46 The centre of rotation may be considerably displaced and/ or the use of smaller components may give rise to a higher rate of wear.…”

Section: Discussionmentioning

confidence: 99%

Total hip replacement with a superolateral bone graft for osteoarthritis secondary to dysplasia

Jong

Haverkamp

Vis³

et al. 2006

The Journal of Bone and Joint Surgery. British volume

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We evaluated the long-term results of 116 total hip replacements with a superolateral shelfplasty in 102 patients with osteoarthritis secondary to developmental dysplasia of the hip. After a mean follow-up of 19.5 years (11.5 to 26.0), 14 acetabular components (12%) had been revised. The cumulative survival at 20 years was 78%, with revision for loosening of the acetabular component as the end-point. All grafts were well integrated and showed remodelling. In six grafts some resorption had occurred under the heads of the screws where the graft was not supporting the socket. Apart from these 14 revisions, seven acetabular components had possible radiological signs of loosening at a mean follow-up of 14.5 years, one had signs of probable loosening, and five had signs of definite loosening. These results indicate that this technique of bone grafting for acetabular reconstruction in hip dysplasia is a durable solution for cemented acetabular components.

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Section: Discussionmentioning

confidence: 99%

Total hip replacement with a superolateral bone graft for osteoarthritis secondary to dysplasia

Jong

Haverkamp

Vis³

et al. 2006

The Journal of Bone and Joint Surgery. British volume

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“…The patients were followed postoperatively for 20-32 years. • Long-term behaviour of the Charnley offsetbore acetabular cup (1998) J Bone Joint Surg Br [ 46 ] The Charnley offset-bore socket is an extra small implant with a face diameter of 35 mm and an eccentric cavity for the femoral head. The overall survival rate was 93.1 % (±6.5 %) at 10 years and 56.1 % (±13.3 %) at 23 when 22 hips remained at risk.…”

Section: Resultsmentioning

confidence: 99%

Congenital Hip Disease in Adults

Karachalios

Hartofilakidis

2014

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“…In order to address this problem the acetabular component with an offset bore has been used, with survival rates of 81.6% at ten years and 46.9% at 20 years. 37 The use of uncemented press-fit acetabular components has been reported to give favourable results. 14,38 Quick and adequate biological fixation by bone ingrowth is a prerequisite for successful longevity of uncemented acetabular components.…”

Section: Discussionmentioning

confidence: 99%

The Trabecular Metal Monoblock acetabular component in patients with high congenital hip dislocation

Macheras

Kateros

Koutsostathis

et al. 2010

The Journal of Bone and Joint Surgery. British volume

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Between November 1997 and December 2000 we performed 27 total hip replacements in 22 patients with high congenital dislocation of the hip using porous tantalum monoblock acetabular components implanted in the true acetabular bed. Clinical and radiological evaluation was performed at regular intervals for a mean of 10.2 years (8.5 to 12). The mean Harris Hip Score improved from 48.3 (15 to 65) pre-operatively to 89.5 (56 to 100) at the final follow-up. The mean Oxford Hip Score was 49.5 (35 to 59) pre-operatively and decreased to 21.2 (12 to 48) at one year and 15.2 (10 to 28) at final follow-up. Migration of the acetabular component was assessed with the EBRA software system. There was a mean migration of 0.68 mm (0.49 to 0.8) in the first year and a mean 0.89 mm (0.6 to 0.98) in the second year, after excluding one initial excessive migration. No revision was necessary for any reason, no acetabular component became loose, and no radiolucent lines were observed at the final follow-up. The porous tantalum monoblock acetabular component is an implant offering adequate initial stability in conjunction with a modulus of elasticity and porosity close to that of cancellous bone. It favours bone ingrowth, leading to good mid-term results.

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Long-term behaviour of the Charnley offset-bore acetabular cup

Cited by 8 publications

References 25 publications

Total hip replacement with a superolateral bone graft for osteoarthritis secondary to dysplasia

Total hip replacement with a superolateral bone graft for osteoarthritis secondary to dysplasia

Congenital Hip Disease in Adults

The Trabecular Metal Monoblock acetabular component in patients with high congenital hip dislocation

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