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Biomedical subjects

P Merry

Publications and source records attributed to P Merry.

At least 19 recordsLinked to original sources

Benchmarking: the five year outcome of rheumatoid arthritis assessed using a pain score, the Health Assessment Questionnaire, and the Short Form-36 (SF-36) in a community and a clinic based sample.

BACKGROUND: Treatment, and therefore outcome, of rheumatoid arthritis (RA) will improve in the next few years. However, improvement in outcome can only be judged against the probability of certain outcomes with current conventional treatment. AIM: To document the five year outcome of RA in the late 1990s. SETTING: Norfolk Arthritis Register (NOAR). DESIGN: Longitudinal observational cohort study. METHODS: 318 patients with recent onset inflammatory polyarthritis recruited by NOAR in 1990-91 completed five years of follow up. Four groups were assessed: the whole cohort, all those referred to hospital, those who satisfied criteria for RA at baseline, and those referred to hospital who satisfied criteria for RA at baseline. Outcome was assessed with a visual analogue scale for pain, the Health Assessment Questionnaire (HAQ), and the Short Form-36 (SF-36). RESULTS: Of the RA hospital attenders, 50% had a visual analogue scale pain score of 5 cm or less and an HAQ score of 1.125 or less. SF-36 scores were reduced in all domains. Results are presented as cumulative percentages. CONCLUSIONS: These results can be used for comparison and to set targets for improvement.

Adult↗

Reducing waiting times for sleep apnoea hypopnoea syndrome and snoring using a questionnaire and home oximetry: results of a second audit cycle.

As a result of a previous audit on the management of sleep apnoea hypopnoea syndrome (SAHS) which showed long waiting times that were primarily due to unnecessary interspecialty referrals, a change in practice was adopted. All referrals are now sent a questionnaire about symptoms suggestive of SAHS, the Epworth Sleepiness Scale score and their body mass index (BMI) which when returned are categorized into having a high, intermediate or low risk of SAHS. Those patients with a high probability have home overnight oximetry and those with intermediate probability have video oximetry. Those with a low probability are referred directly to ENT. We audited the first 100 patients referred. All were General Practitioner referrals to either ENT or respiratory medicine. Only two patients had a low probability score and were seen directly in ENT. Following sleep study analysis, 10 patients were referred directly to ENT with no respiratory medicine follow-up and nine were discharged back to the General Practitioner with no apnoea or snoring. Eighty-one patients were followed up by respiratory medicine. Of these, 49 received a trial of nasal continuous positive airway pressure (nCPAP) and six were referred to ENT. Therefore the majority justified an investigation to exclude SAHS in the first instance and an unnecessary initial ENT appointment was avoided. We have reduced the average waiting times to sleep study by approximately 90 days and to nCPAP trial by 32 days, mostly due to decreased delays in interspeciality referrrals. We have also demonstrated a greater than 50 per cent reduction in ENT clinic visits, a small increase in the number of sleep studies but no increase in respiratory clinic workload.

England↗

A diagnostic algorithm for carpal tunnel syndrome based on Bayes's theorem.

OBJECTIVE: To construct a diagnostic algorithm based on Bayes's theorem and using simple clinical tests to allow accurate diagnosis without resort to nerve conduction studies. METHOD: A cohort of patients being referred with possible carpal tunnel syndrome had clinical and electrophysiological testing, from which the simple calculations for sensitivity, specificity and prevalence were made and subsequently used in the formula of Bayes's theorem. The algorithm was then tested prospectively in a further cohort of similarly referred patients. RESULTS: The algorithm proved to be reliable when tested prospectively, and was similar to nerve conduction studies in diagnostic accuracy. CONCLUSION: A simple algorithm of clinical tests can identify patients without resort to nerve conduction studies, facilitating early treatment.

Algorithms↗

Corticosteroid injection for the treatment of carpal tunnel syndrome.

OBJECTIVE: To compare low and high dose, and short and long acting corticosteroids in the treatment of carpal tunnel syndrome. METHODS: A randomised, controlled, single blind trial with electromyographic and subjective outcome measures. RESULTS: 25 mg hydrocortisone is as effective as higher doses or long acting triamcinolone at a six week and six month follow up. CONCLUSION: As low dose steroid is as effective, and potentially less toxic, this should be the recommended dose for injection of carpal tunnel syndrome.

Anti-Inflammatory Agents↗

Systemic vasculitis and atypical infections: report of two cases.

Two cases of systemic vasculitis are described; one presenting with adult Henoch-Schonlein purpura secondary to a concomitant Chlamydia infection and the other with leucocytoclastic vasculitis and mesangioproliferative glomerulonephritis secondary to a recent parvovirus B19 infection. Association of chlamydial infection has not previously been described with Henoch-Schonlein purpura and this infection should, perhaps, be added to the list of aetiologies of this disease. Parvovirus B19 causing significant urinary sediment abnormalities associated with mesangioproliferative glomerulonephritis and leucocytoclastic vasculitis has also not been described previously.

Adult↗

Healthcare information. Slow to learn.

Access to information in the NHS is in need of huge improvements. In 1992 more than half of all staff had no access to a library service geared to their requirements. NHS libraries are now expected to serve patients and managers as well as clinical staff.

Hospitals, Public↗

Putative analgesic activity of repeated oral doses of vitamin E in the treatment of rheumatoid arthritis. Results of a prospective placebo controlled double blind trial.

OBJECTIVE: Vitamin E, the most potent naturally occurring lipid soluble antioxidant has been suggested to possess both anti-inflammatory and analgesic activity in humans. This double blind and randomised study used a broad spectrum of clinical and laboratory parameters to investigate whether there was any additional anti-inflammatory or analgesic effects, or both, of orally administered alpha-tocopherol in rheumatoid arthritis patients who were already receiving anti-rheumatic drugs. METHODS: Forty two patients were enrolled and treated with alpha-tocopherol (n = 20) at a dose of 600 mg twice a day (2 x 2 capsules) or with placebo (n = 22) for 12 weeks. The following parameters were measured: (1) Three clinical indices of inflammation--the Ritchie articular index, the duration of morning stiffness, and the number of swollen joints; (2) three measures of pain--pain in the morning, pain in the evening, and pain after chosen activity; (3) haematological and biochemical measures of inflammatory activity; (4) assays for the oxidative modification of proteins and lipids. RESULTS: All laboratory measures of inflammatory activity and oxidative modification were unchanged. Furthermore, the clinical indices of inflammation were not influenced by the treatment. However, the pain parameters were significantly decreased after vitamin E treatment when compared with placebo. CONCLUSION: The results provide preliminary evidence that vitamin E may exert a small but significant analgesic activity independent of a peripheral anti-inflammatory effect, but which complements standard anti-inflammatory treatment.

Administration, Oral↗

A longitudinal study of anticardiolipin antibody in polymyalgia rheumatica and giant cell arteritis.

OBJECTIVE: To determine the incidence of elevated levels of anticardiolipin antibody (aCL) in patients with newly diagnosed polymyalgia rheumatica (PMR) and/or giant cell arteritis (GCA); and to determine the relationship between these antibodies at diagnosis and subsequent course of the disease over a period of 2 yrs. METHODS: Ninety-eight consecutive patients with PMR and/or GCA were examined for the presence of aCL, at presentation and every 6 mo for 2 yrs. Sixty-four patients had PMR alone, 22 had coexistent PMR and GCA, and 12 presented with pure GCA. Patients presenting with suspected clinical diagnosis, overt or covert, of GCA were subjected to temporal artery biopsy from the symptomatic side within 3 days of presentation. Appropriate serological, biochemical, and hematological investigations were undertaken at presentation and subsequently at times of periodic assessments. One hundred healthy age and sex matched elderly subjects were also screened for the presence of aCL as a control group. RESULTS: Elevated levels of aCL were detected in 20 patients at presentation. These included 9 patients with PMR/GCA and 11 patients with pure PMR. During followup, 10 patients with pure PMR at presentation developed GCA. These comprised 5 of the 11 patients with high aCL at presentation and 5 of the 53 patients with normal levels of aCL at presentation. This was statistically significant with relative risk (4.82, 95% CI, 1.72-13.51) of developing GCA in the presence of PMR and a high aCL at presentation. Furthermore, 3 of the 5 patients with pure GCA and high aCL at presentation progressed to severe vascular complications (stroke, 2; anterior ischemic optic neuritis, 1) compared to none of the other patients in the study. Elevated levels of antineutrophilic cytoplasmic antibody were also analyzed and detected in only 4 patients, 3 with pure PMR and one with biopsy proven GCA. CONCLUSION: This prospective study suggests that a significant number of patients with PMR and/or GCA with elevated levels of aCL at presentation have increased risk of developing GCA or other major vascular complications. It is possible that aCL may be an independent prognostic marker for future vascular complications in patients with PMR and/or GCA.

Aged↗

Familial eosinophilic fasciitis and breast cancer.

Eosinophilic fasciitis (EF) is an uncommon condition which unlike systemic sclerosis has only rarely been associated with solid malignancies. We report the occurrence of EF in two sisters, both of whom developed contemporaneous breast cancer.

Breast Neoplasms↗

A district audit on the management of polymyalgia rheumatica and giant cell arteritis.

Twenty-one hospital consultants, representing 20% of the hospital specialists and 54 general practitioners representing 22% of the general practitioners in the Norwich Health District were circulated a questionnaire on the management of polymyalgia rheumatica and giant cell arteritis, as part of a departmental audit. The wide variations in the diagnosis and treatment of these two common conditions are shown in this study. Appropriate recommendations have been made for these two common conditions in the hope of providing a useful guideline for more uniform and effective therapy. We intend to repeat this study at a later date to assess if any of the recommendations have been undertaken successfully.

Family Practice↗