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  • Title: Cardiovascular effects of hydrocortisone in preterm infants with pressor-resistant hypotension.
    Author: Seri I, Tan R, Evans J.
    Journal: Pediatrics; 2001 May; 107(5):1070-4. PubMed ID: 11331688.
    Abstract:
    OBJECTIVE: To study the cardiovascular effects of hydrocortisone in preterm infants with hypotension unresponsive to volume and pressor administration. STUDY DESIGN: Retrospective review of the cardiovascular response to 23 courses of hydrocortisone administration during the first day of treatment in 21 preterm infants (gestational age: 26.9 +/- 3.9 weeks; postnatal age: 11.3 +/- 13.1 days). Hydrocortisone (2 mg/kg/d in 16 patients and 3-6 mg/kg/d in 5 patients) was administered when dopamine (22.2 +/- 11 microg/kg/min, range: 8-60) alone (n = 16) or in combination with dobutamine (8.4 +/- 4.9 microg/kg/min, range: 5-20, n = 7) and/or epinephrine (0.38 +/- 0.56 microg/kg/min, range: 0.01-1.2, n = 4) failed to normalize blood pressure. RESULTS: Mean blood pressure increased from 29.3 +/- 4.1 to 34.1 +/- 5.2, 38.0 +/- 8.0, and 41.8 +/- 6.6 mm Hg by 2, 4, and 6 hours of hydrocortisone administration, respectively, and remained stable thereafter. Urine output increased despite a decrease in fluid administration during the first day of hydrocortisone treatment. The dose of dopamine and the number of patients receiving dobutamine and/or epinephrine also decreased during the same period. Eighteen of the 21 patients survived. CONCLUSIONS: Preterm infants with volume- and pressor-resistant hypotension respond to hydrocortisone with rapid normalization of the cardiovascular status and sustained decreases in volume and pressor requirement.
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