Survival of extremely premature infants (< 27 weeks' gestational age) has improved over the past two decades. Indomethacin prophylaxis was used in these infants, who have the highest mortality and morbidity rates, to reduce the incidence of intraventricular hemorrhage and patent ductus arteriosus (PDA). Medical records of 65 extremely premature infants born at our institution between 1995 and 2001 were reviewed retrospectively to determine whether treatment of PDA with indomethacin in the first 48 hours of life reduces the need for PDA ligation or increases neonatal morbidity, when compared to treatment begun later. Thirty infants in the early treatment group (ETG) were treated during the first 48 hours after birth, and 32 infants in the standard treatment group (STG) were managed expectantly for PDA. Three infants died in the first hours of life and were eliminated from further analysis. ETG infants were 24.9 +/- 1.1 (mean +/- SD) weeks' gestation with a birth weight of 678 +/- 143 g. STG infants were 25.3 +/- 1.1 weeks (NS) and 730 +/- 125 g (NS). Hemodynamically significant PDA was diagnosed or confirmed by echocardiography in 19 ETG patients and 17 STG patients. Of the patients with hemodynamically significant PDA, 1 (5%) ETG patient and 6 (35%) STG patients underwent surgical ligation (p = 0.033). Necrotizing enterocolitis (NEC) with intestinal perforation was the most serious morbidity and occurred in 20% of infants in the ETG, but in no STG infant (p = 0.011). Four of the six infants in the ETG with NEC and intestinal perforation died. The overall mortality rate for all infants studied was 28%. We conclude that in extremely premature infants, use of indomethacin during the first 48 hours of life was associated with a reduced need for PDA ligation, but an increased risk of NEC with intestinal perforation.
Objective: Comparison of the differences between availability of animalderived surfactant preparations used to treat premature infants is incomplete. The objective of this study was to assess the short-term treatment efficacy of the two most commonly used surfactant preparations in the United States, beractant (100 mg kg Result: We studied 52 infants 24 0/7 to 29 6/7 weeks gestation; 25 received poractant alfa (27.1±1.6 weeks, birth weight of 930±231 g) and 27 received beractant (26.7 ± 1.7 weeks, P ¼ 0.343 and birth weight 900 ± 271 g, P ¼ 0.668). Respiratory support for the first 72 h of life was lower in the poractant alfa than beractant group for mean airway pressure (MAP, P ¼ 0.003) and respiratory index (MAP Â FiO 2 , P ¼ 0.032). Infants in the poractant alfa group had a greater number of infants extubated at 48 (13/25 vs 6/27, P ¼ 0.027) and 72 h (15/25 vs 8/27, P ¼ 0.029) than the beractant group. Although the study was not powered to detect morbidities of prematurity, the prevalence of PDA and air leaks was less in the infants treated with poractant alfa than in those treated with beractant. Rates of bronchopulmonary dysplasia (8/23 vs 11/ 22, P ¼ 0.303) or death (2/15 vs 5/27, P ¼ 0.272) were similar in the infants treated with poractant alfa and beractant, respectively. Conclusion:This study suggests significant short-term benefits to the use of the larger initial dose of poractant alfa than beractant in very premature infants with RDS. Further studies involving a larger number of preterm infants are needed to assess long-term effects.
Objective To test the hypothesis that infants who are just being introduced to enteral feedings will advance to full enteral nutrition at a faster rate if they receive “trophic” (15 ml/kg/day) enteral feedings while receiving indomethacin or ibuprofen treatment for patent ductus arteriosus (PDA). Study design Infants were eligible for the study if they were 231/7 – 306/7 weeks gestation, weighed 401–1250 g at birth, received maximum enteral volumes ≤60 ml/kg/day and were about to be treated with indomethacin or ibuprofen. A standardized “feeding advance regimen” and guidelines for managing feeding intolerance were followed at each site (n=13). Results Infants (n=177; 26.3±1.9 wks (±SD) gestation) were randomized at 6.5±3.9 days to receive “trophic” feeds (“feeding” group, n=81: indomethacin=80%, ibuprofen=20%) or no feeds (“fasting (npo)” group, n=96: indomethacin=75%, ibuprofen=25%) during the drug administration period. Maximum daily enteral volumes prior to study entry were 14±15 ml/kg/day. After drug treatment, infants randomized to the “feeding” arm required fewer days to reach the study’s feeding volume endpoint (120 ml/kg/day). Although the enteral feeding endpoint was reached at an earlier postnatal age, the age at which central venous lines were removed did not differ between the two groups. There were no differences between the two groups in the incidence of infection, necrotizing enterocolitis, spontaneous intestinal perforation or other neonatal morbidities. Conclusion Infants required less time to reach the feeding volume endpoint if they were given “trophic” enteral feedings when they received indomethacin or ibuprofen treatments.
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