Indomethacin treatment in small versus large premature infants with ductus arteriosus. Comparison of plasma indomethacin concentration and clinical response

T. F. Yeh, J. Luken, D. Raval, A. Thalji, I. Carr, R. S. Pildes

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

An analysis of clinical response and plasma indomethacin concentration was performed on small (≤1000 g) and 12 large (>1000 g) premature infants who had symptomatic ductus arteriosus and required intravenous indomethacin therapy (0.3 mg/kg per day). The postnatal age, daily fluid intake, and cardiopulmonary status of the two groups at time of study were comparable. The small premature infants had a significantly lower peak plasma indomethacin concentration and lower concentration in the first four hours after infusion, and lower plasma concentration x time integral than that of the larger premature infants. There was a significant difference between the groups in proportion of response (2/10 vs 9/12) after one dose of indomethacin; this difference was not seen after two to three doses. The results of the study suggest that small premature infants do respond to indomethacin treatment, but compared to the larger infants may require repeated doses.

Original languageEnglish
Pages (from-to)27-30
Number of pages4
JournalBritish Heart Journal
Volume50
Issue number1
Publication statusPublished - Sep 1 1983
Externally publishedYes

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine

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