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1.
The relative merits of cromolyn sodium and high-dose theophylline therapy in childhood asthma 总被引:1,自引:0,他引:1
S Godfrey 《The Journal of allergy and clinical immunology》1980,65(2):97-104
The use of cromolyn sodium (SCG) and high-dose theophylline (HDT) in the treatment of chronic perennial asthma in children is reviewed. It is noted that the regimens are only suitable for children with persistent symptoms uncontrolled by simpler forms of treatment. The methods of administration and dosage based on pharmacologic data are considered, and the potential importance of long-acting theophylline and nebulized cromolyn preparations is noted. Short-term studies have confirmed the efficacy of both drugs, and a comparative study showed little difference between them. Long-term studies of SCG have demonstrated its value to some 66% of children without serious side effects. No formal long-term studies have been carried out on HDT. Side effects from theophylline can often be eliminated by careful control of blood levels. From published evidence, neither SCG nor HDT is effective in steroid-dependent asthmatic children, and they contribute little, if anything, to management in such cases. The difference in cost of the drugs is small when all factors are considered, and either regimen is justified by the saving in medical expenses when used for carefully selected patients. 相似文献
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The key to delivering radiation to a lesion by means of internally administered radiopharmaceuticals is specificity of localization (a high lesion-background ratio). Factors that may limit this localization are pointed out. Potential alteration of the residence time within the lesion and use of radiation-sensitizing agents may bring new applications for radionuclides in therapy. The most common therapeutic applications of radiopharmaceuticals are outlined. 相似文献
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A technique is presented that can be used as a straightforward, quick, and minimally invasive solution to improve soft tissue closure for surgeries involving bone reduction for fixed implant-supported prostheses in the edentulous maxilla. 相似文献
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