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Dal Health researchers have study published in JAMA Pediatrics
Dalhousie University Faculty of Health researchers, associate professor Dr. Marsha Campbell-Yeo and third-year PhD (Nursing) student Tim Disher have co-authored a study published in the Journal of the American Medical Association (JAMA) Pediatrics – The Science of Child and Adolescent Health.
The study examined the use of drug therapy to treat newborns for NAS (Neonatal Abstinence Syndrome) and its effect on the length of treatment and hospital stay. NAS includes symptoms such as jitteriness and diarrhea that can be found in newborns exposed to opioids during pregnancy.
The study analyzed combined results from 18 randomized clinical trials that included morphine and other medications to treat newborns for NAS.
“As a clinician caring for babies with NAS, I think the most surprising finding of this study was that morphine, current standard of care in most centres, performed so poorly both with respect to overall treatment exposure and length of hospital stays,” says senior author Dr. Campbell-Yeo.
“Our findings would suggest that buprenorphine is likely the most favourable pharmacological treatment for this population with respect to the overall treatment exposure and length of hospital stay without evidence for immediate harm,” she continues.
However, given limitations of the number, size and quality of the studies available to be included, the authors caution against an immediate large-scale practice pharmacological treatment change at this time.
“We can’t give conclusive suggestions either way on the drug front just yet. Before clinicians start worrying about morphine vs methadone vs clonidine we encourage them to make sure they have the fundamentals in place. Pharmacological treatment is only one piece of a very complex puzzle,” says first author Disher.
The co-authors suggest that current best practice should include fundamentals in care to ensure all attempts to allow opportunities to keep mothers and babies at risk for NAS together rather than separating them following birth and that breastfeeding is encouraged. They also suggest, if pharmacological management is indicated due to severity of symptoms, that consistent use of standardized assessment and treatment management and weaning algorithms are used to minimize exposure to pharmacological agents.
“Care facilities should provide opportunities to keep mothers and babies at risk for NAS together rather than separating them following birth, encouraging skin-to-skin contact, breastfeeding and minimizing excessive environmental stimulation to reduce the need for pharmacological management,” says Dr. Campbell-Yeo.
The authors also suggested minimizing the severity of NAS, as well as long term risk to the children affected by NAS, through using a collaborative, team approach with nurses and social workers during both antenatal and post partum period for these mothers.
“Of course, NAS is part of a broader social issue. We would be remiss not to mention that ongoing efforts to support child bearing women to reduce use of opioids and other substances during pregnancy to are a key part to reducing harm and incidence of NAS,” says Dr. Campbell-Yeo.
With respect to pharmacological management, the authors feel their findings support the urgent need for a large, multi-site trial examining buprenorphine in this population. In the interim, another way to help determine best practice would be through the use of large-scale neonatal networks so other clinicians have access to a network of colleagues that has experience with drugs other than morphine.
“Pharmacological Treatments for Neonatal Abstinence Syndrome A Systematic Review and Network Meta-analysis” was published in JAMA Pediatrics on January 22, 2019.
Dr. Marsha Campbell-Yeo has appointments with the Dalhousie University Faculties of Health (Nursing), Medicine (Pediatrics) and Science (Psychology and Neuroscience) and IWK Health Centre. Other study co-authors are Dr. Balpreet Singh (Dalhousie University), Dr. Chris Cameron (Cornerstone Research Group Inc.), and Courtney Gullickson (Dalhousie University).
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