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Blood pressure in infants children and adolescents

A J Moss

    The Western Journal of Medicine
    |April 1, 1981
    PubMed

    Insights

    Pediatric blood pressure norms vary by age, with hypertension defined by persistent elevated readings. Antihypertensive drug therapy is reserved for severe or selected moderate cases in children.

    Area of Science:

    • Pediatrics
    • Cardiology
    • Clinical Measurement

    Background:

    • Blood pressure measurement methods in infants include flush and Doppler techniques.
    • Established normal blood pressure limits for infants are available, but data for children and adolescents are conflicting.
    • Hypertension diagnosis in pediatric patients requires careful consideration due to its relative infrequency.

    Purpose of the Study:

    • To review and clarify normal blood pressure values and hypertension definitions in pediatric populations.
    • To provide practical guidelines for identifying hypertension in children and adolescents.

    Main Methods:

    • Review of existing data on blood pressure measurement methods (flush and Doppler) in infants.
    • Analysis of conflicting data regarding normal blood pressure limits in children and adolescents.
    • Establishment of practical diagnostic criteria for hypertension based on age.

    Main Results:

    • Normal flush values in infants (1-12 months) do not exceed 100 mm Hg; Doppler systolic levels do not exceed 113 mm Hg.
    • For practical purposes, persistent systolic pressure ≥140 mm Hg or diastolic pressure ≥90 mm Hg indicates hypertension in patients >10 years.
    • In children <10 years, normal systolic pressure does not exceed 130 mm Hg, and normal diastolic pressure does not exceed 85 mm Hg.

    Conclusions:

    • Clearer guidelines are needed for pediatric hypertension diagnosis.
    • Antihypertensive drug therapy is indicated only for severe hypertension and selected moderate cases in pediatric patients.

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