Breastfeeding leads to lower blood pressure in early childhood, even for a few days

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Breast-fed babies have low blood pressure in infants for even a few days, and these differences in blood pressure can lead to improved heart and vascular health in adults, according to a new study published today. Journal of the American Heart Association, American Heart Association open access journal.

According to a survey Risk factors for cardiovascular diseaseIncluding high blood pressure, You can start as a child. Studies have also confirmed that breastfeeding is associated with a reduced risk of cardiovascular disease in adulthood. However, the amount and time of breastfeeding needed to achieve cardiovascular benefits was unclear.

“This is the first study to assess the association between first-day breastfeeding and early childhood blood pressure,” said Dr. Kozetamirik, MD, Principal Investigator, Head of Clinical Science for the CHILD Cohort Study. -Ph.D. in Medicine from McMaster University in Hamilton, Ontario, Canada. “Infants who receive even a relatively small amount of their mother’s initial milk, also known as first milk, Lower blood pressure At the age of three, regardless of how long they were breastfed or when they received other complementary foods. “

First milk is very beneficial to newborns and is known to be particularly rich in growth factors, immunological components, and stem cells found only in human breast milk.

The researchers used data from an ongoing Canadian children’s cohort study. This is a study of more than 3,000 children born between 2009 and 2012 and since then have been tracked to understand how early life experiences shape health and development. They analyzed infant feeding information collected from hospital records and caregiver questionnaires for nearly 2,400 children.

Of these children, 98% were breastfed to some extent, and 4% received “early limited breastfeeding,” which is defined as several breastfeedings during hospitalization. In this study, only 2% of children were not breastfed.

Of the breast-fed children, 78% were breast-fed for at least 6 months and 62% were breast-fed for at least 3 months. Exclusive breastfeeding means breastfeeding only and has been free of prescriptions, solid foods and other waters since birth. On average, mothers who have never been breastfed are younger, more likely to smoke during pregnancy, and have a post-secondary degree than mothers who have been breastfed for a short period of time or longer than in the hospital. You are less likely to get it.

Researchers have found the following:

  • Children who have never been breastfed at age 3 have higher blood pressure measurements (mean 103/60 mm) compared to children who have been breastfed for any period of time (mean 99/58 mm Hg). Hg) was shown.
  • Blood pressure measurements were also lower in infants who received only limited early breastfeeding during hospitalization as newborns (mean 99/57 mmHg) compared to those who had never breastfed (mean 103/60 mmHg).
  • Blood pressure in breast-fed infants was low regardless of the obesity index at age 3 and the mother’s social, health, or lifestyle factors.
  • Even among breast-fed infants, blood pressure was low, regardless of how long they were breast-fed or whether they received other complementary nutrition or food.

“The benefits of persistent and exclusive breastfeeding are well documented for many health conditions, including respiratory infections and diarrheal disorders in infancy, and chronic conditions, including later asthma and obesity. “Senior research author Dr. Megan B. Azad said. , Deputy Director of CHILD Cohort Study, Associate Professor of Pediatrics and Pediatric Health at the University of Manitoba, Research Scientist at the Manitoba Children’s Hospital Institute in Winnipeg, Canada. “Our study suggests that even short-term breastfeeding may be beneficial for cardiovascular results such as blood pressure. This is the first important factor in shaping neonatal development. Shows milk. For many reasons, sustained breastfeeding should be strongly supported, and understand that “every drop is important,” especially during the first few days of life. Is also important. “

“Physicians and public health policy makers need to consider the importance of educating new mothers about breastfeeding and supporting breastfeeding soon after childbirth,” said Azad, co-director of the Manitova Interdisciplinary Breastfeeding Center. Stated. “The results of our study show that we do not provide in-hospital breastfeeding support, and the short-term savings of mothers leaving the hospital too early are more than the long-term costs of poor cardiovascular health in later years. Also suggests that it could be significantly higher. “

Researchers need further research to study the bioactive components of primary milk, understand how they affect cardiovascular development, and determine their long-term association with cardiovascular health. Said that. This study has some limitations, including observational design. In other words, researchers cannot see the causal relationship between breastfeeding and blood pressure in early childhood. In addition, researchers collected only one blood pressure measurement, rather than averaging at least two measurements, and few babies had ever measured it. Breastfeeding, Limited comparison.

“This important study continues to support the assumption that infancy care can affect heart health. To understand the mechanisms responsible for the early positive effects. Further investigation is needed. Breastfeeding For infant blood pressure, we need to commend the author for identifying modifiable factors that may improve child health, “said the chairman of the Lifetime Congenital Heart Disease Council of the American Heart Association. One Sherry Miyamoto Doctor of Medicine said. Young (Young Heart) Heart Health and Pediatric Heart Disease Jack Cooper Milliser Chair, Director of Cardiomyopathy Program at Colorado Children’s Hospital in Aurora.

Exclusive breastfeeding in hospitals associated with longer breastfeeding periods

For more information:
Journal of the American Heart Association (2021).

Quote: Breastfeeding is associated with lower blood pressure in early childhood (July 21, 2021), even for several days, https: // Obtained from on July 21, 2021. Pressure.html

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Breastfeeding leads to lower blood pressure in early childhood, even for a few days

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