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Is blood pressure increased 19 years after intrauterine growth restriction and preterm birth? A prospective follow-up
Mandy G Keijzer-Veen1, Martijn J J Finken, Jeroen Nauta
1Department of Pediatric Nephrology, Erasmus MC-Sophia Children's Hospital, University Medical Center Rotterdam, Rotterdam, The Netherlands.
Insights
This study found high blood pressure in young adults born preterm, but intrauterine growth restriction was not a contributing factor. Current weight and BMI were the best predictors of systolic blood pressure.
Area of Science:
- Neonatal Medicine
- Cardiovascular Health
- Pediatric Endocrinology
Background:
- Preterm birth is associated with long-term health issues.
- Intrauterine growth restriction (IUGR) may impact later cardiovascular health.
- Understanding risk factors for hypertension in young adults born preterm is crucial.
Purpose of the Study:
- To investigate if intrauterine growth restriction (IUGR) predisposes individuals born very preterm to high blood pressure (BP) at age 19.
- To assess the prevalence of hypertension and prehypertension in young adults born preterm.
Main Methods:
- Prospective follow-up study of individuals born preterm in the Netherlands.
- BP measurements (systolic, diastolic, mean) and plasma renin activity obtained at age 19.
- Comparison between individuals born with gestational age <32 weeks and those born with gestational age >=32 weeks and birth weight <1500 g.
Main Results:
- Increased prevalence of hypertension and prehypertension observed in the preterm group.
- IUGR, birth weight, gestational age, and plasma renin activity were not associated with BP at age 19.
- Current weight and Body Mass Index (BMI) were the strongest predictors of systolic BP.
Conclusions:
- Young adults born preterm exhibit a high prevalence of hypertension compared to the general population.
- The study does not support the hypothesis that low birth weight (IUGR) is linked to increased BP in very preterm individuals at young adulthood.
Objective:
To determine whether intrauterine growth restriction (IUGR) is a predisposing factor for high blood pressure (BP) in 19-year-olds who were born (very) preterm.
Methods:
A prospective follow-up study was conducted at age 19 in individuals who born preterm in the Netherlands in 1983. Systolic, diastolic, and mean BP values and plasma renin activity concentration were obtained in 422 young adults who were born with a gestational age (GA) <32 weeks. BP values were also measured in 174 individuals who born with a GA of > or =32 weeks and a birth weight of <1500 g.
Results:
An increased prevalence of hypertension and probably also of prehypertensive stage was found. IUGR, birth weight, GA, and plasma renin activity were not associated with BP. Current weight and BMI were the best predicting factors for systolic BP at the age of 19 years.
Conclusions:
The prevalence of hypertension is high in individuals who were born preterm when compared with the general population. In the individuals who were born very preterm, no support to the hypothesis that low birth weight is associated with increased BP at young adult age can be given.
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