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The Journal of Bone & Joint Surgery British Volume
Vol. 43-B, Issue 1 | Pages 29 - 37
1 Feb 1961
Glass A Powell HDW

1. A collected series of forty-seven traumatic dislocations of the hip in children is reported and reviewed in detail.

2. All were simple hip dislocations, and no child was included in whom there was any other injury to the affected joint.

3. All were posterior dislocations.

4. No anatomical predisposition was observed.

5. Significant complications occurred in fourteen children: avascular necrosis of the head of the femur in four, degenerative joint changes in three, premature epiphysial fusion in one and overgrowth of the femoral head in six. Study of the children with these complications revealed no common cause except the dislocation itself.

6. The injury responsible was often trivial.

7. The results suggest that it is harmless to bear weight four weeks after reduction.


The Journal of Bone & Joint Surgery British Volume
Vol. 43-B, Issue 1 | Pages 107 - 113
1 Feb 1961
Powell HDW

1. Two boys complaining of pain in the ankle were shown to have centres of separate ossification for the medial malleoli. These were present bilaterally, but discomfort was unilateral.

2. In one, followed for fifteen months, the extra centre became wholly incorporated into the normal lower tibial epiphysis.

3. in a series of 100 children between the ages of six and twelve, without any known disease or injury of the ankles, radiographs showed that 20 per cent had a separate medial malleolar centre on one side. In 13 per cent this finding was present bilaterally. In one child a separate lateral malleolar centre was also found.

4. The significance of this finding is discussed, and it is considered to be a normal variant.

5. Occasionally one of these centres may remain unfused into adult life. Attention is drawn to the possible implications of this persistence.


The Journal of Bone & Joint Surgery British Volume
Vol. 42-B, Issue 2 | Pages 236 - 252
1 May 1960
Powell HDW

Cases are reported of two men who sustained bilateral hip injuries while undergoing convulsive therapy and of one woman who sustained bilateral hip injuries during a uraemic convulsion. A further twenty-three previously unreported cases are analysed, sixteen of which were of simultaneous bilateral femoral neck fractures and five of which were simultaneous bilateral central dislocations of the hip. One other patient sustained his injuries in an epileptic fit. A review of the literature has revealed another thirty-five cases of bilateral hip injuries, most of them caused by convulsive therapy, but a few by accident, disease of the femoral neck, or epilepsy.

One case is included of a rare double injury, a femoral neck fracture on one side and a central dislocation on the other. I have found no previous reference to this combined injury.

Double hip injuries are very rare in relation to the large numbers of patients receiving convulsion therapy, but the change from pharmacological to electrical methods has not prevented their occurrence and at least fifteen are known to have occurred during the last six years.

A wide age range is represented, and many fractures of convulsive origin have occurred in fit, well nourished, adult men. Only a few have been found in more elderly and possibly osteoporotic patients.

All the "convulsive " injuries were sustained during unmodified treatment, and mention is made of the differences of opinion among psychiatrists about the use of anaesthesia and of relaxant drugs in convulsion therapy.

These are the most severe injuries complicating convulsion therapy, and the most difficult for the orthopaedic surgeon to treat.