The patency of the hiatus semilunaris is essential for a cure of sinusitis in children. To open the closed hiatus, irrigation therapy is one of the best conservative measures.
The present study was undertaken to determine the effect of a mixture of antibiotics and steroid in irrigation therapy for chronicsinusitis. Forty nine children with chronic sinusitis were divided into two groups, accrding to the kind of the drug administered, that is, the patients of one group were administerd with the mixture of antibiotics and steroid after each irrigation, the patients of the other group were treated with simple irrigation only. After the treatments, the condition of the hiatus, the cure rate and the period required for cure were compared. Furthermore, the resistance during the antral irrigation was used as an index determining the degree of opening of the hiatus.
The results obtained from this study were as follows:
1) The average cure rate in the irrigation therapy was 35%.
2) The difference was not significant between the two groups in the rate of improved resistance and the cure of sinusitis.
3) The resistance at the last irrigation was minimal in all the cured cases.
4) The maximum and average frequency of irrigation were 15 and 5.2 times respectively, and in 90% of the cured cases the number of the irrigation therapy was less than 10.
From the above results, it was suggested that the topical administration of the mixture once a week could not improve the disease considerably. In addition, the standard number of irrigation seemed to be 10 times in order to determine the usefulness of the irrigation therapy.
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