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Ibuprofen versus indomethacin treatment of patent ductus arteriosus: comparative effectiveness and complications
N M Chan1, C W Law1, K F Kwan1
1Department of Paediatrics, Queen Elizabeth Hospital, 30 Gascoigne Road, Kowloon, Hong Kong.
Insights
Ibuprofen and indomethacin show similar effectiveness for closing patent ductus arteriosus in preterm infants. However, ibuprofen use was linked to more intestinal complications, suggesting it may not be safer than indomethacin.
Area of Science:
- Neonatalogy
- Pharmacology
- Pediatric Cardiology
Background:
- Patent ductus arteriosus (PDA) is a common condition in preterm infants.
- Medical management with nonsteroidal anti-inflammatory drugs (NSAIDs) like indomethacin and ibuprofen is standard therapy.
- Comparing the efficacy and safety of these agents is crucial for clinical decision-making.
Purpose of the Study:
- To compare the effectiveness of intravenous ibuprofen versus indomethacin for PDA closure in preterm infants.
- To evaluate and compare the complication rates associated with both treatments.
- To assess secondary outcomes including mortality, bronchopulmonary dysplasia, and renal function.
Main Methods:
- Retrospective case series conducted at a tertiary referral center.
- Analysis of 95 preterm infants treated with either indomethacin or ibuprofen for PDA.
- Comparison of primary outcomes (medical closure failure, surgical ligation) and secondary outcomes (mortality, BPD, intestinal complications, renal function).
Main Results:
- Both indomethacin and ibuprofen demonstrated similar rates of successful medical closure and need for surgical ligation.
- A significantly higher incidence of intestinal complications (necrotising enterocolitis, spontaneous intestinal perforation) was observed in the ibuprofen group (P=0.043).
- No significant differences were found in all-cause mortality, bronchopulmonary dysplasia, or renal function parameters.
Conclusions:
- Intravenous ibuprofen and indomethacin are equally effective in achieving medical closure of PDA in preterm infants.
- The increased rate of intestinal complications in the ibuprofen group suggests it may not offer a superior safety profile compared to indomethacin.
- Further research may be warranted to fully elucidate the comparative safety of these agents in specific neonatal populations.
Objectives:
To compare the effectiveness and complications of intravenous ibuprofen versus indomethacin treatment of patent ductus arteriosus in preterm infants.
Design:
Retrospective case series.
Setting:
A tertiary referral centre in Hong Kong.
Patients:
A total of 95 infants who had received at least one course of indomethacin or ibuprofen for closure of patent ductus arteriosus from January 2008 to December 2011 were studied.
Main Outcome Measures:
Following the total switch from indomethacin to ibuprofen in clinical use in April 2010, outcomes of infants receiving indomethacin and ibuprofen were compared. The primary outcomes including rates of failed medical closure and recourse to surgical ligation were compared. The secondary outcomes including rates of all-cause mortality, bronchopulmonary dysplasia, intestinal complications (necrotising enterocolitis, spontaneous intestinal perforation), change in urine output and serum creatinine, and progression of any intraventricular haemorrhage were also evaluated.
Results:
The failure rate of medical treatment was similar in the indomethacin and ibuprofen groups, with 16 (31%) such infants in the indomethacin group and 14 (33%) in the ibuprofen group; for ibuprofen this yielded a relative risk of 1.06 (95% confidence interval, 0.66-1.67; P=0.852). The proportion of infants having surgical ligation was also similar. A higher rate of intestinal complications (necrotising enterocolitis or spontaneous intestinal perforation) was encountered in our ibuprofen group (P=0.043). No significant difference was observed in other secondary outcomes determined.
Conclusion:
In our clinical practice, ibuprofen and indomethacin were shown to be equally effective for medical closure of patent ductus arteriosus in premature infants. With the higher rates of intestinal complications and similar effects on renal function in the ibuprofen group, we conclude that ibuprofen may not have fewer adverse effects than indomethacin.
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