Abstract
Objective:
To determine whether platelet counts can predict the likelihood of successful closure of patent ductus arteriosus (PDA) with indomethacin.
Study Design:
This was a retrospective cohort study of infants <32 weeks’ gestational age (GA) and birth weight <1500 g with PDA. Clinical characteristics between infants who achieved ductal closure with indomethacin and those who failed were compared. Multivariable logistic regression was used to identify predictors of successful ductal closure.
Results:
In infants with hemodynamically significant PDA, older GA (odds ratio=1.54; 95% confidence interval: 1.12 to 2.13), male gender (odds ratio=3.02; 95% confidence interval: 1.08 to 8.49) and higher platelet count (odds ratio=1.5; 95% confidence interval: 1.04 to 2.17) prior to indomethacin treatment were associated with successful ductal closure with indomethacin.
Conclusion:
Older GA, male gender and higher platelet count at time of treatment of hemodynamically significant PDA are predictors of successful ductal closure with indomethacin.
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Author Contributions
Mohamed Farooq Ahamed: Dr Ahamed was responsible for acquisition of the data, analysis and interpretation of the data, drafting of the manuscript and critical revision of the manuscript for important intellectual content. Prasoon Verma: Dr Verma was responsible for acquisition of data. Drs Verma and Lee contributed equally to the manuscript. Simon Lee: Dr Lee was responsible for the study concept, acquisition of data and revision of the manuscript. Dan Wang: Ms. Wang was responsible for analysis and interpretation of the data, statistical analysis and revision of the manuscript for important intellectual content. Mimi Kim: Dr Kim was responsible for analysis and interpretation of the data, statistical analysis and critical revision of the manuscript for important intellectual content. Melissa Vega: Ms Vega was responsible for acquisition of the data and administrative, technical and material support. Mamta Fuloria: Dr Fuloria was responsible for the study concept and design, acquisition of the data, drafting of the manuscript, critical revision of the manuscript for important intellectual content and study supervision.
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Ahamed, M., Verma, P., Lee, S. et al. Predictors of successful closure of patent ductus arteriosus with indomethacin. J Perinatol 35, 729–734 (2015). https://doi.org/10.1038/jp.2015.33
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DOI: https://doi.org/10.1038/jp.2015.33
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