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Biomedical subjects

C B Wynn Parry

Publications and source records attributed to C B Wynn Parry.

17 recordsLinked to original sources

Prevention of musicians' hand problems.

A significant proportion of musicians suffer musculoskeletal problems as a result of playing their instruments. The author describes the British Performing Arts Medicine Trust founded by Dr. Ian James 12 years ago to address these problems in Great Britain. The author, a rheumatologist consultant since its inception, reviews over a thousand cases seen at these clinics. Almost half of these patients had no obvious structural abnormality sustaining symptoms through poor posture, bad practice techniques, unfitness and overuse. Lack of full rehabilitation after injury was the most common cause of structural disorders. The responsibilities for prevention of injuries is described for the three components of the profession: musicians, teachers, and administrators.

Dystonic Disorders↗

Update on peripheral nerve injuries.

Experimental work relating to factors affecting nerve regeneration is reviewed. There is increasing evidence that the nerve sprouts are preprogrammed for their peripheral reinnervation; old endoneurial tubes being discarded. Fascicular suture shows no significant improvement in function compared with epineural suture. The importance for sensory re-education and the need for repeatable sensory function tests is emphasized. Recent experimental work on the mechanisms of causalgia is reviewed and management of painful peripheral nerve disorders discussed. Striking advances have been made in the diagnosis, surgical treatment and rehabilitation of traction lesions of the brachial plexus. These are discussed with special reference to electrodiagnosis, functional splinting and management of pain. Surgery for obstetric palsies is now being undertaken and similar lesions to those in the adult being repaired with success. Reconstructive procedures for permanent paralysis are reviewed. Postirradiation plexus lesions present a formidable challenge but surgery can sometimes alleviate pain.

Brachial Plexus↗

The assessment and management of the failed back, Part I.

The 'failed back' represents a major clinical problem. Among the causes recognized for the 'failed back' is lateral root stenosis which has led to the use of electromyography (EMG) in the diagnosis of root compression. One hundred and thirty-two patients selected for surgical decompression were compared with 25 undergoing spinal fusion. EMG was found to be diagnostic in 95% of patients with bony canal stenosis, but only gave positive results in 62.5% of prolapsed disc patients. EMG improved in those patients who made a good recovery after surgery.

Adult↗

The assessment and management of the failed back, Part II.

Despite adequate surgery a number of patients have a return of back pain and sciatica following operation, the so-called failed back. The results of a prospective study of 101 patients entering an intensive rehabilitation programme for the failed back is described. The programme consists of a team approach to the patient and his problems, using a variety of techniques to produce pain relief. Non-organic pain represents a significant problem in the failed back; 58% of patients were completely or substantially relieved of their pain. Transcutaneous nerve stimulation was found to be the single most useful treatment with exercise second. Non-organic pain was able to be relieved by this programme.

Aged↗

Rehabilitation of conversion paralysis.

Three patients referred for rehabilitation of brachial plexus lesions and two referred with leg weakness associated with sciatica were found to have conversion paralysis. The diagnosis was made by demonstrating normal motor nerve conduction to the clinically weak muscles. The weakness was treated by intensive physical rehabilitation with complete and sustained recovery in all cases.

Adult↗

Brachial plexus injuries.

There can be few more distressing situations than when a young man sustains a total and irreversible paralysis in his dominant arm. Not only is he left with a useless and anaesthetic limb, but in a high proportion of cases suffers intractable pain. This article will discuss the diagnosis and management of such injuries.

Accidents, Traffic↗

Rehabilitation of patients following traction lesions of the brachial plexus.

The management of patients with brachial plexus lesions requires a multidisciplinary approach. We insist on admission to our rehabilitation ward for a full assessment by the physiotherapist, occupational therapist, rehabilitation officer, and social worker when necessary. We confirm the diagnosis by clinical, electrophysiologic, and radiologic techniques and set out a plan of action, either involving definitive surgery or a conservative program involving functional splintage, relief of pain when possible, and return to work. We insist on regular follow-ups to check that the pain is still being relieved. At subsequent reviews it may become clear that spontaneous recovery is not going to occur, and a program of reconstructive surgery can be instituted. In general terms, three years or more should have elapsed before accepting that elbow flexion is not going to return. In patients with C5-C6 lesions, where elbow flexion is permanently paralyzed, the simple elbow lock splint may be perfectly satisfactory, but in some patients it may be wise to advise reconstructive procedure. In our experience the most satisfactory means of restoring elbow flexion is the Steindler flexor plasty, advancing the origins of the extensors and flexors of the forearm up the humerus. If present, latissimus dorsi can be transferred to replace the biceps. The pectoralis major transfer is useful but almost always requires an external rotation osteotomy, as there is too much adduction when the patient flexes the elbow. Finally, triceps can be transferred to biceps, but this is an operation that we do not like, as elbow extension is so useful.(ABSTRACT TRUNCATED AT 250 WORDS)

Arm↗