College students' use of emergency medical services.
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Biomedical subjects
Publications and source records attributed to F Holly.
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In a 6-week open study in 24 patients with rheumatoid arthritis, tolmetin was shown to have analgesic and anti-inflammatory activity at daily doses in excess of 1200 mg per day and produced statistically significant reductions in overall joint pain, walking time and articular index. The drug was well tolerated, but 2 patients were withdrawn because of persistent indigestion and 1 because of an urticarial type rash. In a double-blind crossover comparison against indomethacin and placebo in 22 patients, 1400 mg tolmetin daily showed efficacy comparable with that of 150 mg indomethacin daily. Few side-effects were reported and did not necessitate any patients being withdrawn.
Indomethacin and alclofenac were compared for 13 months under double-blind conditions in 109 patients with active, classical, or definite rheumatoid arthritis at a relatively early stage of the disease. Both indomethacin and alclofenac were clearly effective: most patients either improved or remained as well controlled as on entry. Alclofenac proved the more effective drug, however, producing a significantly greater reduction in morning stiffness, articular index, and erythrocyte sedimentation rate, and only in the alclofenac-treated group did functional capacity improve and latex-agglutination titres diminish. Comprehensive laborabory tests showed no significant deviation from normal which could have been attributed to either drug.
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Alclofenac and D-penicillamine were compared under controlled, double-blind conditions in the treatment of 35 patients with active rheumatoid arthritis over a period of 26 weeks. The principal aim of the study was to investigate any relationships between changes in clinical status and changes in concentrations of three serum acute-phase proteins (fibrinogen, C-reactive protein, and haptoglobin), plasma free and protein-bound L-tryptophan, and the erythrocyte sedimentation rate. Both alclofenac and D-penicillamine were clearly effective: all patients showed steady improvement on the seven clinical indices of response employed. Drug management was easiest with alclofenac. Both drugs produced a significant reduction in acute-phase proteins, E.S.R. and protein-bound plasma tryptophan. Since it has previously been established that the course of rheumatoid arthritis is reflected in the acute-phase protein levels and the extent to which L-tryptophan is bound to plasma protein, it is suggested that drugs, such as D-penicillamin and alclofenac which profoundly affect these parameters, provide not only symptomatic relief but also possible beneficial effects on the disease process itself.
Twenty patients with definite or classical rheumatoid arthritis and chronic knee effusions were each given an oral dose of 4 g benorylate as the 40% suspension. Synovial fluid and plasma samples were obtained up to 9 hours after drug administration and assayed for their salicylate and benorylate content. A mean peak benorylate plasma level of 2.18 +/- 0.19 mug/ml occurred 30 min after drug administration but declined rapidly and benorylate was virtually undetectable in the plasma 90 min later. The mean peak benorylate synovial fluid level of 0.74 +/- 0.21 mug/ml occurred 3 hours after drug administration but the concentration remained steady for at least a further 9 hours. A mean peak plasma salicylate level of 119 +/- 14.2 mug/ml and mean peak synovial fluid salicylate level of 78 +/- 13.6 mug/ml occurred 3 hours after benorylate administration. Both levels declined slowly over some hours. This study shows that benorylate per se readily enters the synovial fluid in patients with rheumatoid arthritis and continues to accumulate there even when undetectable in the plasma. It is possible that the lipophilic nature of the benorylate molecule facilitates its uptake by the inflamed synovial tissue.
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PURPOSE: "Dry Eye is a condition produced by the inadequate interrelation between lacrimal film and ocular surface epithelium, and is caused by quantitative and qualitative deficits in one or both of them. It can be produced by one or combined etiologic causes, affecting one or several of the secretions of the glands serving the ocular surface, and producing secondary manifestations of different grades of severity". Clinicians need a practical classification to face diagnosis, prognosis and treatment. Dry eyes have many etiologies and pathogenesis, different affectation of the various dacryoglands and ocular surface epithelium, and diverse grades of severity. The specialists in xero-dacryology must know these three parameters to evaluate any case of dry eye, and to establish an adequate treatment. METHODS: To facilitate this, an open session in the 8th congress of the International Society of Dacryology and Dry Eye (Madrid, April, 2005) proposed modifying the Triple Classification of dry eye approved in the XIV congress of the European Society of Ophthalmology (Madrid, June, 2003). There was consensus of all conclusions. CONCLUSIONS: The following classification has been established: First, a classification of the etio-pathogenesis, distributed in ten groups: age-related, hormonal, pharmacologic, immunopathic, hyponutritional, dysgenic, infectious/inflammatory, traumatic, neurologic and tantalic. Second, a classification of the affected glands and tissues, which under the acronym of ALMEN includes the Aqueo-serousdeficient, Lipodeficient, Mucindeficient and Epitheliopatic dry eyes, and the Non dacryological affected exocrine glands (saliva, nasal secretion, tracheo-pharyngeal secretion, etc). And thirdly, a classification of severity, in three grades: Grade 1 or mild (symptoms without slitlamp signs), grade 2 or moderate (symptoms with reversible signs), and grade 3 or severe (symptoms with permanent signs).
A double-blind between-patient trial over 6 weeks to compare the effects of 1.6 g tolmetin daily with 4 g alclofenac daily was completed by 37 out of 44 out-patients with rheumatoid arthritis. Tolmetin proved as effective as alclofenac in relieving pain and in reducing both the articular index score and the number of inflamed joints. However, alclofenac produced a significantly greater reduction in the duration of morning stiffness, which could have been related to the timing of the initial daily dose of tolmetin. Onset of fatigue was significantly improved by both drugs. Neither treatment group exhibited any significant changes in the serum levels of IgG, IgA, and IgM, nor in the latex and sheep-cell agglutination titres. Although neither drug gave rise to serious side-effects, 3 patients (2 on tolmetin, 1 on alclofenac) were withdrawn because of skin rash, 2 (on tolmetin) because of gastro-intestinal upsets, and 1 from each group because of lack of analgesic effects.