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The Bone & Joint Journal
Vol. 99-B, Issue 5 | Pages 680 - 685
1 May 2017
Morris R Hossain M Evans A Pallister I

Aims

This study describes the use of the Masquelet technique to treat segmental tibial bone loss in 12 patients.

Patients and Methods

This retrospective case series reviewed 12 patients treated between 2010 and 2015 to determine their clinical outcome. Patients were mostly male with a mean age of 36 years (16 to 62). The outcomes recorded included union, infection and amputation. The mean follow-up was 675 days (403 to 952).


The Journal of Bone & Joint Surgery British Volume
Vol. 83-B, Issue 8 | Pages 1116 - 1118
1 Nov 2001
Muller SD Khaw FM Morris R Crozier AE Gregg PJ

Ulceration of the lower leg is considered to be a ‘hard’ clinical endpoint of venous thrombosis. Total knee replacement (TKR) is a significant risk factor for venous thrombosis of the leg and therefore potentially for ulceration.

We sent a postal questionnaire to 244 patients at a minimum of five years after TKR enquiring about the development of ulceration since their TKR. The overall incidence of ulceration, both active and healed, was 8.67% which is similar to that in the age-matched general population (9.6% to 12.6%), as was the prevalence of active ulceration. We also identified no clear association between venographically-confirmed postoperative deep-venous thrombosis (DVT) and the incidence and prevalence of ulcers at five years. We suggest that after TKR DVT is not a significant risk factor for ulceration of the leg and that perioperative chemical thromboprophylaxis may not be justified on these grounds.


The Journal of Bone & Joint Surgery British Volume
Vol. 75-B, Issue 5 | Pages 675 - 676
1 Sep 1993
Morris R


The Journal of Bone & Joint Surgery British Volume
Vol. 75-B, Issue 2 | Pages 178 - 182
1 Mar 1993
Carr A Morris R Murray D Pynsent P


The Journal of Bone & Joint Surgery British Volume
Vol. 73-B, Issue 5 | Pages 729 - 731
1 Sep 1991
Lettin A Ware H Morris R

Survivorship analysis is a useful way of expressing the long-term results of joint replacement: it provides a means of comparing the life span of one type of prosthesis with another. However, such studies should include a full life-table and the confidence intervals for the survival rates at given times. At least 40 surviving prostheses are required to provide reliable results.


The Journal of Bone & Joint Surgery British Volume
Vol. 73-B, Issue 5 | Pages 709 - 714
1 Sep 1991
Jeffery R Morris R Denham R

Maquet's line passes from the centre of the femoral head to the centre of the body of the talus. The distance of this line from the centre of the knee on a long-leg radiograph provides the most accurate measure of coronal alignment. Malalignment causes abnormal forces which may lead to loosening after knee replacement. We report a series of 115 Denham knee replacements performed between 1976 and 1981 using the earliest design of components, inserted with intramedullary guide rods. Patients were assessed clinically and long-leg standing radiographs were taken before operation, soon after surgery and up to 12 years later. In two-thirds of the knees (68%) Maquet's line passed through the middle third of the prosthesis on postoperative films and the incidence of subsequent loosening was 3%. When Maquet's line was medial or lateral to this, an error of approximately +/- 3 degrees, the incidence of loosening at a median period of eight years was 24%. This difference is highly significant (p = 0.001). Accurate coronal alignment appears to be an important factor in prevention of loosening. Means of improving the accuracy of alignment and of measuring it on long-leg radiographs are discussed.


The Journal of Bone & Joint Surgery British Volume
Vol. 70-B, Issue 2 | Pages 242 - 246
1 Mar 1988
Morris R

The statistical quality of 103 original articles published in The Journal of Bone and Joint Surgery (British Volume) in 1984 was assessed. Some papers were found to be deficient: thus, it was not always clear how series were selected and sometimes neither the data nor the results were clearly presented. Sample sizes were frequently inadequate for the conclusions reached and statistical techniques should have been used more frequently. A majority of papers were descriptions of case series for which no comparative data were made available. It is suggested that collaborative research would best advance knowledge about the relative benefits of various managements, and that statistical advice could make a substantial contribution.