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Neonatal jitteriness of unknown origin and circulating catecholamines
Journal of Perinatal Medicine
|January 1, 1986
Summary
Neonatal jitteriness may stem from increased sympathetic activity, specifically elevated norepinephrine levels. This study found no intracranial hemorrhage in jittery newborns, suggesting a neurochemical basis for this common condition.
Area of Science:
- Neonatal Medicine
- Pediatric Neurology
- Endocrinology
Background:
- Neonatal jitteriness is a frequent clinical issue with often undetermined etiology.
- Conventional diagnostics do not always identify the cause of neonatal jitteriness.
Purpose of the Study:
- To investigate the potential roles of intracranial hemorrhage (ICH) and elevated catecholamines in neonatal jitteriness.
- To differentiate between potential causes of jitteriness in healthy term neonates.
Main Methods:
- Studied 34 healthy term neonates, including 13 with jitteriness as their sole clinical sign.
- Assessed catecholamine levels (norepinephrine, epinephrine), and ruled out intracranial hemorrhage (ICH).
- Controlled for normal hematocrit, glucose, calcium, magnesium, sodium, potassium, and phosphorus levels.
Main Results:
- Norepinephrine levels were significantly higher in jittery neonates compared to controls (1276 +/- 574 vs. 914 +/- 338, p < 0.05).
- Epinephrine levels did not differ between the groups.
- No instances of intracranial hemorrhage were detected in any participants.
Conclusions:
- Jittery neonates exhibit increased sympathetic nervous system activity.
- Elevated norepinephrine may be a contributing factor to neonatal jitteriness.
- Further research is needed to understand the impact of these hormonal changes on other systems.