Existing treatment in premature infants is not always necessary

Editorial Medicalfacts/ Janine Budding December 8, 2022 – 07:25

Not treating the ductus is as safe as treating it
Treatment of premature babies, in which the blood vessel that supplies the body with oxygen before birth, does not immediately close on its own, is not routinely necessary. Waiting for this blood vessel, the ductus, to close on its own is just as safe, according to research coordinated by the Radboud University Medical Center. There is even preliminary evidence that drugs that close the ductus increase the risk of chronic lung damage.
In premature infants, the ductus (or ductus Botalli), the blood vessel that supplies a fetus’s body with oxygen during pregnancy, often does not immediately close on its own. Worldwide, these children are often given the drug ibuprofen after birth, so that the vessel closes. For years, this was the prevailing thought, preventing complications such as a brain hemorrhage or chronic lung disease. But there has long been uncertainty about whether the patent tract should be treated by administering drugs, or whether a wait-and-see policy is better. Therefore, an investigation started in December 2016, led by professor of neonatology Willem de Boode from Radboudumc. This included 273 babies born at a gestational age of up to 28 weeks. In one group the ductus was closed with the help of ibuprofen, in the other group they waited for the ductus to close by itself. The results have now been published in the scientific journal New England Journal of Medicine, in an article in which PhD student Tim Hundscheid is the first author. This shows that a wait-and-see policy where the ductus closes naturally over time is as safe as a policy where treatment is given. The starting point was the chance of a child surviving without serious complications in the lungs or intestines. De Boode, attached to the Department of Neonatology at the Radboudumc Amalia Children’s Hospital: ‘This means a huge revolution in our thinking about the ductus. Our dogma is changing.’
Patent ductus arteriosus with normal cardiac anatomy. Vector illustration of the congenital heart defect.
In this picture on the left the heart without an open ductus, on the right with an open ductus.

Is the cure worse than the disease?

This is not the only result. The researchers found evidence that ibuprofen may increase the risk of chronic lung disease. De Boode and colleagues are surprised by this result. ‘We expected to show that not treating would be as good as treating. But the results even tentatively indicate that the use of ibuprofen may have negative consequences. It seems that the drug, ibuprofen, is worse than the disease, patent ductus.’ The complications that we attributed to patent ductus are also side effects that we also know from ibuprofen. ‘We want to find out exactly how it works with follow-up research,’ says the neonatologist.

According to De Boode, we cannot yet establish that no treatment is better than treatment. “There is definitely a select group for whom treatment is necessary. We now want to find out which children are involved, and also which treatment is best.’ A possible alternative to medication is an operation where a plug is inserted via a catheter through the groin, closing the ductus.

Parental involvement

Willem de Boode emphasizes the importance of scientific research in premature babies. “We still have a lot to learn about these children. That’s why this kind of research is so important, it increases our knowledge.’ He is especially grateful to parents of children who have cooperated. ‘Most parents were completely overwhelmed by the premature birth of their child and the admission to intensive care. Within the first three days after birth, we asked them if they would cooperate . I am very grateful that so many of them wanted to contribute to this research and gave us their trust. Without them we would never have gained this knowledge.’

Professor of neonatology Willem de Boode.

Source: Radboudumc

Editorial Medicalfacts/ Janine Budding

I specialize in interactive news for health care providers, so that health care providers are informed every day of the news that may be relevant to them. Both lay news and news specifically for healthcare providers and prescribers. Social media, Women’s Health, Patient advocacy, patient empowerment, personalized medicine & Care 2.0 and the social domain are spearheads for me to pay extra attention to.

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