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[Tracking of blood pressure in children]
1Department of Epidemiology, School of Public Health, Beijing Medical University.
Insights
Blood pressure tracking in children shows a weak but consistent pattern. Children with high blood pressure readings in childhood often maintain elevated levels years later, warranting further study.
Area of Science:
- Pediatric Cardiology
- Preventive Medicine
- Biostatistics
Context:
- Childhood blood pressure tracking is crucial for identifying long-term cardiovascular risk.
- Previous research on pediatric blood pressure stability has yielded varied results.
- Understanding tracking phenomena aids in early intervention strategies.
Purpose:
- To investigate the presence and degree of blood pressure tracking in a cohort of children.
- To determine the persistence of high blood pressure percentiles over a four-year period in pediatric populations.
Summary:
- A longitudinal study examined 2,946 children (ages 4-14) in 1981, with 2,588 re-examined in 1985.
- Results indicated a weak blood pressure tracking phenomenon, with tracking coefficients ranging from 0.24-0.56 for systolic and 0.15-0.38 for diastolic pressure.
- Thirty percent of children with systolic blood pressure above the 90th percentile at baseline remained in high percentiles after four years.
Impact:
- Findings highlight the importance of monitoring children with consistently high blood pressure.
- Early identification of persistent hypertension in childhood can inform future cardiovascular health interventions.
- This research contributes to understanding the developmental trajectory of blood pressure in youth.
Abstract:
In order to find out whether there is a "tracking phenomenon" of blood pressure in children, we examined in 1981 a group of 2,946 children (ages 4-14 years) and reexamined 2,588 of them (88.2%) in 1985. The results indicate: There is a weak degree of blood pressure "tracking phenomenon" in childhood. "Tracking coefficients" were 0.24 to 0.56 for systolic blood pressure, and 0.15 to 0.38 for diastolic pressure after four years of follow-up. Thirty percent of the children whose blood pressure were above the 90th percentile of the systolic blood pressure distribution at the first examination remained at the same level after four years. It is important to study further those subjects who show a consistent high percentile of blood pressure during childhood.