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Cardiac structure growth pattern determined by echocardiography.

C L Rogé, N H Silverman, P A Hart

|February 1, 1978

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This study established normal M-mode echocardiography reference ranges for pediatric cardiac dimensions. These findings provide wider tolerance limits for quantitative echocardiography in children.

Area of Science:

Pediatric Cardiology
Echocardiography
Biometry

Background:

Establishing normative data for echocardiographic measurements is crucial for diagnosing pediatric heart conditions.
Previous studies have provided reference ranges, but wider applicability in diverse pediatric populations is needed.

Purpose of the Study:

To establish M-mode echocardiography reference ranges for cardiac dimensions in healthy infants and children.
To define 90% tolerance limits for these measurements relative to body surface area.

Main Methods:

M-mode echocardiography was performed on 93 healthy infants and children.
Measurements included ventricular walls/cavities, great vessels, left atrium, and atrioventricular valve excursions.
Data were normalized to body surface area (m²) and 90% tolerance limits were calculated.

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Main Results:

Wider tolerance lines for echocardiographic dimensions were observed compared to previous reports.
Reference ranges at birth and maturity aligned with established neonatal and adult normal values.
The calculated tolerance lines offer a quantitative basis for echocardiographic assessment in childhood.

Conclusions:

The derived tolerance lines for normal pediatric echocardiographic data can be utilized for quantitative assessments.
This study provides updated, broader reference standards for M-mode echocardiography in pediatric populations.
These quantitative measures support accurate interpretation of cardiac structure and function in children.