The effect of alloxan on gastric secretion.
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Biomedical subjects
Publications and source records attributed to A J Carr.
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Reduced proprioception may contribute to recurrent anterior shoulder instability. Twelve patients with unilateral shoulder instability were investigated for evidence of deficient proprioception with an activated pneumatic cylinder and surface electromyography electrodes; the contralateral normal shoulder was used as a control. The latency between onset of movement and the detection of muscle contraction was used as an index of proprioception. No significant difference in muscle contraction latency was detected between the stable and unstable shoulders, suggesting that there was no significant defect in muscular reflex activity. This study does not support the use proprioception-enhancing physiotherapy in the treatment of posttraumatic anterior shoulder instability.
The results of total elbow replacement (TER) in 45 elbows of 38 patients with rheumatoid arthritis were compared with results of radial head excision with synovectomy (RHES) in 45 age-matched patients treated in the same unit. The groups were similar with respect to duration of disease and preoperative clinical status, although pain was of longer duration and slightly more severe in the TER group. Failure was defined as the onset of moderate or severe pain after surgery or revision surgery for any reason. Reduction in pain was greater after TER than after RHES (P < .05). Recurrence of pain was common after RHES but was not seen after TER. Movement increased by a similar amount in each group. Complications were more frequent and more serious after TER (4 dislocations, 4 ulnar nerve dysfunctions, 1 significant wound breakdown) than after RHES (2 ulnar nerve dysfunctions, 1 transient wound discharge). Complications after TER were most common in patients who had previous RHES. On survival analysis, TER results were better than RHES results in each successive year. Cumulative survival rates at 10 years were 85% for TER and 69% for RHES, but the difference in rates was not statistically significant. In the medium term, TER relieves pain more reliably than RHES and its use is justified despite the greater risk of complications. In view of the paucity of long-term results for TER, RHES may retain a role in younger patients or in those whose symptoms are related mainly to the radiohumeral joint.
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In a consecutive series of 175 forearm fractures requiring manipulation in children who presented to the John Radcliffe Hospital between 1 January 1991 and 30 June 1992, 23 had isolated distal radius fractures, all of which required manipulation for unacceptable angulation or displacement. We had previously noted that these fractures had a high incidence of loss of position leading to malunion. The 23 patients were randomly allocated to one of two treatment groups: either manipulation and cast alone, or manipulation and percutaneous Kirschner wiring with cast. These two groups were followed up clinically and radiographically until union occurred. Those fractures treated by percutaneous wiring had no significant complications, and all had a satisfactory result. The fractures treated by manipulation and casting alone required further manipulation in 10 cases (91%). We conclude that these problematic fractures should be treated by stabilisation with percutaneous wiring.
OBJECTIVE: This study evaluated the comparative impact of myositis and other musculoskeletal disorders on general health using the Nottingham health profile (NHP) as a generic measure of health status. METHODS: A prospective observational study of 113 females with myositis, 142 females with rheumatoid arthritis, 45 females with spinal osteoporosis and 96 females with knee osteoarthritis. RESULTS: All mean NHP section scores were higher in myositis and other musculoskeletal disorders compared to population mean values. Section scores for energy and social isolation were high in myositis compared to all other disorders. Scores for physical disability in myositis were similar to RA. Pain scores were higher in RA and OA compared to myositis. Backwards linear regression models explained 26-42% of the variation in energy and social isolation scores. Emotion and physical section scores were the major determinants and the pattern was similar in all disorders. Disease duration and age had little effect. CONCLUSIONS: Myositis is not simply a disease with physical problems but has wide ranging effects on social and emotional well being. Until disease-specific instruments are available, a generic measure like the NHP can be used to assess problems other than muscle pain and loss of strength.