[Age- and weight-related dosage of dDAVP in the treatment of primary nocturnal enuresis]
SourceKlinische Pädiatrie, 213, 6, (2001), pp. 317--20
Article / Letter to editor
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SubjectRegulation of salt and water reabsorption in the renal collecting duct; Regulatie water en zouttransport in de verzamelbuis van de nier
BACKGROUND: In treating primary nocturnal enuresis the dosages recommended for an intranasal application of dDAVP are 20, 30 or 40 microgram depending on the response. Dosages that take the patient's weight or age into account are not commonly used until now. PATIENTS AND METHODS: In the present prospective study including 43 children therapeutic success was therefore evaluated on the basis of the dosage that was standardized according to both age and weight of the patients. The patients' weight ranged from 16.5 to 98 kg, their age from 6 to 14.9 years. RESULTS: The dDAVP dosages that were applied ranged from 0.3 and 2.4 microgram/kg and 3.74 and 15.3 microgram x age/kg respectively. Therapeutic efficacy was at 63 %. CONCLUSIONS: The results suggest an ideal weight-related dosage of 1 microgram x weight or rather an age- and weight-related dosage of 8 microgram x weight/age. A higher dosage evidently is of little use since there was a significant difference between the non-responders and the responders (p < 0.01) with the non-responders not even reacting to higher dosages.
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