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The Journal of Bone & Joint Surgery British Volume
Vol. 87-B, Issue 9 | Pages 1182 - 1186
1 Sep 2005
Sher JL Reed MR Calvert P Wallace WA Lamb A

The Journal of Bone & Joint Surgery British Volume
Vol. 82-B, Issue 5 | Pages 719 - 723
1 Jul 2000
Takwale VJ Calvert P Rattue H

We diagnosed 50 patients (58 shoulders) with a mean age at presentation of 17.3 years, as having involuntary positional instability of the shoulder. They were managed by a programme consisting of a careful explanation, analysis of abnormal muscle couples and then muscle retraining carried out by a specialist physiotherapist. The mean follow-up was two years. Six shoulders had a poor result, but 52 were graded as good to excellent. Nine patients (12 shoulders) relapsed and required further episodes of retraining.

In our experience, involuntary positional instability of the shoulder causes symptoms which interfere with normal activities; these can be controlled by a treatment plan of retraining of the muscle pattern with functional benefit. Only 19 of the patients were referred with a diagnosis of positional instability. There should be more awareness of this rather uncommon condition. Surgery is not indicated in these patients.

The Journal of Bone & Joint Surgery British Volume
Vol. 77-B, Issue 1 | Pages 153 - 154
1 Jan 1995
Hall R Calvert P

The Journal of Bone & Joint Surgery British Volume
Vol. 74-B, Issue 3 | Pages 329 - 331
1 May 1992
Calvert P

The Journal of Bone & Joint Surgery British Volume
Vol. 73-B, Issue 2 | Pages 330 - 334
1 Mar 1991
Bridle S Patel A Bircher M Calvert P

We have prospectively compared the fixation of 100 intertrochanteric fractures of the proximal femur in elderly patients with random use of either a Dynamic Hip Screw (DHS) or a new intramedullary device, the Gamma nail. We found no difference in operating time, blood loss, wound complications, stay in hospital, place of eventual discharge, or the patients' mobility at final review. There was no difference in failure of proximal fixation: cut-out occurred in three cases with the DHS, and twice with the Gamma nail. However, in four cases fracture of the femur occurred close to the Gamma nail, requiring further major surgery. In the absence of these complications, union was seen by six months in both groups.

The Journal of Bone & Joint Surgery British Volume
Vol. 72-B, Issue 5 | Pages 928 - 929
1 Sep 1990
Allen C Calvert P

The Journal of Bone & Joint Surgery British Volume
Vol. 71-B, Issue 2 | Pages 246 - 251
1 Mar 1989
Calvert P Edgar M Webb P

We reviewed 47 patients with neurofibromatosis and dystrophic spinal deformities; 32 of these patients had been untreated for an average of 3.6 years and in them the natural history was studied. The commonest pattern of deformity at the time of presentation was a short angular thoracic scoliosis, but with progression the angle of kyphosis also increased. Deterioration during childhood was usual but its rate was variable. Severe dystrophic changes in the apical vertebrae and in particular anterior scalloping have a poor prognosis for deterioration. The dystrophic spinal deformity of neurofibromatosis requires early surgical stabilisation which should be by combined anterior and posterior fusion if there is an abnormal angle of kyphosis or severely dystrophic apical vertebrae. Some carefully selected patients can be treated by posterior fusion and instrumentation alone.

The Journal of Bone & Joint Surgery British Volume
Vol. 69-B, Issue 4 | Pages 551 - 555
1 Aug 1987
Calvert P August A Albert J Kemp H Catterall A

We report the clinical and radiographic results of the Chiari pelvic osteotomy in 49 hips (45 patients) at an average of 14 years after operation. Of these hips, over half had minimal or no pain, had good or excellent results as assessed by the Harris hip score, and could walk at least three miles; three-quarters, however, had a positive Trendelenburg sign. A younger age at operation and a painless hip with no radiographic evidence of degeneration before operation were associated with a higher hip score at review. The percentage of hips without degenerative changes fell from 68% before operation to 15% at final review. There were no major complications and it was found that a Chiari osteotomy need not interfere with normal childbirth.

The Journal of Bone & Joint Surgery British Volume
Vol. 68-B, Issue 1 | Pages 147 - 150
1 Jan 1986
Calvert P Packer N Stoker D Bayley J Kessel L

Double-contrast shoulder arthrograms were performed in 20 patients at an average of 30 months after operative repair of a torn rotator cuff. In 18 out of 20 shoulders the contrast medium leaked into the subacromial bursa indicating a defect in the rotator cuff. Despite this, 17 patients had complete relief of pain and 15 had a full range of shoulder elevation. The results suggest that a completely watertight closure is not essential for a good functional result, and that arthrography may not be helpful in the investigation of failure of repair.

The Journal of Bone & Joint Surgery British Volume
Vol. 65-B, Issue 2 | Pages 171 - 175
1 Mar 1983
Packer N Calvert P Bayley J Kessel L

The results of 63 operative repairs of chronic tears of the rotator cuff in 61 patients are reviewed retrospectively; the mean follow-up was 32.7 months. Fifty-four patients presented with symptoms of persistent pain and seven patients with gross loss of movement. All the patients had failed to respond to conservative treatment. Results were assessed in terms of relief of pain, restoration of movement, the patients' ability to return to work and whether they were satisfied with the results. Overall, a good result in terms of relief of pain was achieved in 40 shoulders. In 31 shoulders (30 with pain and one without pain) the operation included particular measures to decompress the subacromial space; 26 of the patients achieved relief of pain which was significantly better than in those patients whose operation did not include a decompression. The complications and failures are discussed. It is suggested that operative repair of the chronically torn rotator cuff of the shoulder is a worthwhile operation and that the operation should include an adequate decompression of the subacromial space.