Related Experiment Videos
[Tests of autonomic nervous system functioning in children: normal values]
S Castelli1, R Domenici, C Meossi
1U.O. Pediatria, U.S.L. n. 6, Presidio Ospedaliero di Lucca.
Summary
This study establishes normal pediatric reference values for cardiovascular autonomic reflex tests, crucial for assessing autonomic function in children. These findings provide essential data for diagnosing autonomic dysfunction in pediatric populations.
Area of Science:
- Physiology
- Autonomic Nervous System
- Pediatric Cardiology
Context:
- Cardiovascular autonomic reflexes are vital for assessing autonomic nervous system (ANS) function.
- Standardized pediatric reference data for these tests were previously lacking.
- Autonomic function testing involves analyzing heart rate and arterial pressure variations in response to physiological stimuli.
Purpose:
- To standardize cardiovascular autonomic reflex tests in a healthy pediatric population.
- To establish normal reference values for these tests in children aged 8.3-15.7 years.
- To explore correlations between autonomic parameters and auxological features.
Summary:
- 198 healthy children (94 male, 104 female) underwent standardized autonomic function tests, including ECG and arterial pressure monitoring during breathing, Valsalva maneuver, postural changes, and isometric exercise.
- Eleven autonomic parameters were measured, and normal reference values were calculated.
- Significant differences in autonomic parameters were observed between sexes, but correlations with auxological features were not remarkable.
Impact:
- Provides the first comprehensive set of normal reference values for pediatric cardiovascular autonomic reflex testing.
- Enables more accurate diagnosis and monitoring of autonomic dysfunction in children.
- Facilitates future research into pediatric autonomic neuropathies and related conditions.