Despite several years of research providing the medical and economic evidence that feeding a mother's own milk to very low birth weight infants improves clinical and financial outcomes, multiple barriers to mothers' providing their own breast milk for infants in the neonatal intensive care unit to persist.
In an article in the October 2016 issue of the Journal of Pediatrics, a leading human milk scientist provides guidance that NICUs can use to "frame the argument for the superiority of mothers' own milk over donor human milk with families, peers and hospital administrators in a manner that results in high doses and longer exposure periods for MOM use in very low birth weight infants.
The article, Donor Human Milk Update 2016: Evidence, Mechanisms and Priorities for Research and Practice" documents how the use of pasteurized donor human milk has steadily become the standard of care for these most vulnerable patients when mothers' own milk is not available. Meanwhile the general term "human milk feeding" is used by researchers and administrators to describe both mother's own milk and donated milk (or combinations of the two) despite the fundamental differences in the two, according to the lead author, Paula Meier, PhD, Rush University Medical Center's director for Clinical Research and Lactation, Special Care Nursery and a Professor of Pediatrics and Women, Children and Family Nursing.
"While there is a substantial body of research showing that a mother's own is milk is the most effective option for greatly improving the health of hospitalized, very low birthweight infants, NICU care providers need to be able to make the evidence-driven argument that mother's own milk is the most cost effective option as well," Meier said. Rush's Aloka L. Patel, MD, attending neonatologist and associate professor of pediatrics, and Anita L Esquerra-Zwiers, PhD candidate in the Rush College of Nursing are contributing authors.
"Human Milk Feeding" category blurs the lines
The authors reported that researchers and quality improvement executives tracking outcomes for very low birthweight infants (those born weighing less than 1,500 grams) have increasingly used the general term "human milk feeding" to refer to both MOM and DHM, seemingly ignoring the fundamental, scientific differences between the two. The use of this common indicator is "clinically significant because quality improvement initiatives about human milk feeding are undertaken to reduce the prevalence of specific morbidities for which a mother's own milk, but not donated milk, is protective," Meier said. "Thus, when high-dose human milk feedings consisting mostly of donated milk fail to reduce sepsis and are associated with slow growth, these findings are generalized to a mother's own milk as well."
Not distinguishing mother's own milk from donated milk, the researchers say, can have a profound economic impact. A growing body of evidence indicates that receiving a mother's own milk, especially in high doses very soon after birth reduces the risk of acquiring very costly conditions in very low birthweight infants including sepsis, chronic lung disease and, especially, necrotizing enterocolitis, a devastating disease that affects mostly the intestine of premature infants.
Beyond the NICU, not accounting for the fundamental differences between a mother's own and donated milk also ignores broader and longer term studies connecting mother's own milk and improved overall development and lower lifetime health and educational costs.
But the authors summarize best practices for acquiring and using mother's own milk, thereby providing evidence for NICU leaders to use in prioritizing needed resources. The researchers describe a series of modifiable barriers that make it difficult for mothers to provide their own milk for their hospitalized infants, who must remove milk by breast pump up to 8 times daily for weeks or months at a time. For example, insurance companies often provide ineffective and inefficient breast pumps that fail or are uncomfortable to use and NICUs typically lack sufficient freezer space to safely store all mothers' milk in the hospital, telling mothers to care for their pumped milk at home. Most importantly, the authors document that hospitals do not invest in NICU-specific, evidence-based practices known to optimize milk volume, such as helping mothers use the breast pump within the first hour after birth and incorporating daily monitoring of mothers' pumped volume during the first two weeks after birth because this evidence-based care is considered too expensive, too difficult, and too time consuming. Instead, NICUs say that "our mothers just can't provide enough milk" and quickly turn to the use of donor human milk which is much more expensive to acquire and less effective in reducing complications.
Rush University Medical Center faculty and staff have been international leaders in conducting translational research to provide the scientific evidence for the use of mothers' own milk to reduce complications in very low birthweight infants infants during the NICU hospitalization. Rush University Medical Center has also established the Rush Mother's Milk Club, which provides support to help mothers provide milk for their NICU babies.
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Additional information:
- This Rush research study from 2013 showed how much money was saved by the avoidance of sepsis when breast milk was fed to very low birth weight preterm infants in the first 28 days of life.
- And this 2015 Rush Study demonstrated how hospitals investing in initiatives to avoid formula feeding during the first 14 days of life could substantially reduce necrotizing enterocolitis-related NICU hospitalization costs.
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