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The Journal of Bone & Joint Surgery British Volume
Vol. 74-B, Issue 6 | Pages 822 - 824
1 Nov 1992
Godsiff S Emery R Heywood-Waddington M Thomas T

A prospective, randomised and independently assessed trial of the Ring UPM total hip replacement showed that the quality of the early result was better if the femoral prosthesis was cemented than if it was not. More patients with cemented prostheses were painfree at four months (58% cemented:42% uncemented) and at one year (63% cemented:50% uncemented), but at two years pain relief was equal in both groups. At two years significantly more patients with cemented prostheses could walk without support (96% cemented:62% uncemented, p = 0.01 to 0.05). There is a need for more similar trials to compare the results of contemporary designs of cemented and uncemented total hip prostheses.


The Journal of Bone & Joint Surgery British Volume
Vol. 74-B, Issue 5 | Pages 725 - 728
1 Sep 1992
Wilson L Nolan J Heywood-Waddington M

We report the clinical and operative details of seven cases of fracture of the femoral stem of the Ring TiMESH cementless hip prosthesis (two were cemented and five uncemented). Six fractures occurred in the proximal one-third of the stem and one at mid-stem. The failures are attributed mainly to two defects in stem design, the narrowness of the anteroposterior dimensions and the depth of the recess for the titanium mesh pads. Great difficulty was experienced in removing the osseo-integrated distal fragments of the broken stems.


The Journal of Bone & Joint Surgery British Volume
Vol. 70-B, Issue 3 | Pages 412 - 414
1 May 1988
Ramanathan E Heywood-Waddington M

In a five-year period, 153 feet in 101 patients were treated by a Wilson's osteotomy of the first metatarsal for hallux valgus. Postoperative support was provided by either a below-knee or a forefoot plaster, and was continued for either three weeks or six weeks. The results showed overall success in 91% with no significant difference between the four groups. We suggest that a forefoot plaster for three weeks is adequate support after a Wilson's osteotomy.