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Longitudinal study of blood pressure during the 1st year of life

M Gemelli1, R Manganaro, C Mamì

  • 1Institute of Clinica Pediatrica, Policlinico Università di Messina, Italy.

European Journal of Pediatrics
|February 1, 1990
PubMed

Insights

This study tracked blood pressure, heart rate, and weight in infants up to 12 months. Blood pressure increased significantly in the first six months, showing little correlation with weight.

Area of Science:

  • Pediatrics
  • Cardiovascular Health
  • Infant Development

Background:

  • Establishing normative data for infant physiological parameters is crucial for monitoring health.
  • Previous studies may not fully capture early developmental trends in blood pressure.
  • Understanding infant cardiovascular development is essential for early detection of potential issues.

Purpose of the Study:

  • To establish reference ranges and percentile curves for systolic and diastolic blood pressure, heart rate, and weight in infants from birth to 12 months.
  • To analyze the developmental trends of these parameters during the first year of life.
  • To compare early diastolic blood pressure values with existing literature.

Main Methods:

  • Cross-sectional study involving 260 boys and 254 girls aged 0-12 months.
  • Systematic measurement of systolic and diastolic blood pressure, heart rate, and weight.
  • Statistical analysis to determine mean +/- standard deviation values and generate percentile curves.

Main Results:

  • Mean +/- SD values and percentile curves for blood pressure, heart rate, and weight were generated.
  • Significant increases in both systolic and diastolic blood pressure were observed during the first six months of life.
  • Blood pressure showed a poor correlation with infant weight during the study period.
  • Diastolic blood pressure in the first month of life was found to be lower than previously reported values.

Conclusions:

  • The study provides valuable normative data for infant cardiovascular parameters up to 12 months of age.
  • Early infant blood pressure demonstrates significant development within the first six months, independent of weight.
  • Findings suggest a need to re-evaluate existing reference ranges for early diastolic blood pressure in neonates.

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