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The Journal of Bone & Joint Surgery British Volume
Vol. 75-B, Issue 3 | Pages 464 - 467
1 May 1993
Hodgkinson J Maskell A Paul A Wroblewski B

A flanged socket was introduced by Sir John Charnley for use in his low-friction hip arthroplasty in 1976. Experimental evidence has suggested that the flange offers an advantage in terms of cement pressurisation at the time of implantation. We have reviewed 302 primary Charnley arthroplasties followed for 9 to 11 years to determine the effect of the flanged socket on the radiological appearance. The incidence of radiological demarcation at the cement-bone interface is significantly reduced in early radiographs after the use of a flanged socket, and the advantage is maintained in the long-term results.


The Journal of Bone & Joint Surgery British Volume
Vol. 71-B, Issue 3 | Pages 478 - 482
1 May 1989
Rae P Hodgkinson J Meadows T Davies D Hargadon E

Between December 1982 and June 1986, 98 displaced subcapital femoral neck fractures were treated using the Charnley-Hastings bipolar hemiarthroplasty. Although the patients were elderly, often with associated medical problems, the operation was well tolerated and the mortality at one and six months was 14.4% and 24.5% respectively. Fifty-four hips were reviewed after an average follow-up of 33 months; 64.8% of patients had a good or excellent result. The fair or poor results were seen mainly in patients with poor pre-operative mobility and multiple medical problems. A significant cause of morbidity was dislocation (two interprosthetic) which occurred in six hips. There were two cases of deep sepsis but neither patient was fit for further surgery. There were no cases of acetabular erosion requiring revision surgery.


The Journal of Bone & Joint Surgery British Volume
Vol. 71-B, Issue 3 | Pages 523 - 525
1 May 1989
Hodgkinson J Shelley P Wroblewski B

In a prospective study, a double crossover wire with a compression spring was used to re-attach 52 un-united trochanters at revision operations on total hip arthroplasties. Bony union was achieved in 42 (81%) and was not influenced by the duration of the nonunion or the separation gap. The new method compared favourably with earlier revisions at which other methods of trochanteric re-attachment had been used.


The Journal of Bone & Joint Surgery British Volume
Vol. 71-B, Issue 1 | Pages 143 - 144
1 Jan 1989
Isaac G Hodgkinson J Wroblewski B