PubMed · 169723
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J W Hadden. 1975-06-13. Cyclic nucleotides in lymphocyte function.. https://doi.org/10.1111/j.1749-6632.1975.tb36062.x
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The drugs used in asthmatic attacks must act on the two major mechanisms of the disease: bronchial obstruction and inflammation of the airways. Two main classes of drugs are available to reach these targets: bronchodilators, headed by beta 2-stimulants, and anti-inflammatory drugs of the corticosteroid family. Bronchodilatation obtained with beta 2-stimulants is the first and most effective treatment of the attack. These drugs are usually administered by inhalation: metered-dose aerosols with or without inhalation chambers, or nebulization for severe attacks. Very high doses can be used without fear of side-effects, the principal objective of this treatment being to relieve bronchial obstruction. In the absence of rapid and lasting improvement bronchodilators must always be combined with corticosteroids. In all cases medical supervision immediately after the attacks is necessary and the patient should subsequently be put under care of pneumologists.
Sciatica caused by intervertebral disc herniation can be treated with intradiscal injection of chymopapain. A search for a cheaper and less allergizing product led to triamcinolone hexacetonide, this procedure being known as "nucleorthesis". The first results at 6 months were encouraging. In 3 centres where triamcinolone hexacetonide was tested with a more than 2 years' follow-up 92 patients could be evaluated. The results obtained were considered satisfactory in 34 patients (36.9 percent), but they were poor in 19 patients (20.6 percent), and 39 patients (42 percent) had to be operated upon within 2 years. Return to surgery took place within the 6 months following nucleorthesis in 18 patients (19.56 percent) and beyond this period in 17 patients (22.8 percent) with degradation of the results. Moreover, calcifications were found in 19 out of 38 patients; they were of varying size, sometimes detected only at computerized tomography, and some of them appeared to produce symptoms. All considered, the failure rates, the number of patients who required surgery and the occurrence of large and sometimes symptomatic calcifications make triamcinolone nucleorthesis unacceptable compared with the recognized percentages of success with papain nucleolysis and surgical operations. For these reasons, we consider that this treatment should be abandoned.
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