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[Platelet factor 4 levels in full-term newborns undergoing phototherapy]
G Praticò1, A Fichera, L Caltabiano
1Clinica Pediatrica II, Università di Catania, Italia.
La Pediatria Medica E Chirurgica : Medical and Surgical Pediatrics
|November 1, 1989
Summary
Phototherapy for term newborns does not significantly alter platelet counts or function (PF4 levels). This is attributed to mature skin and robust bone marrow compensation in term infants, unlike preterm infants.
Area of Science:
- Neonatal Medicine
- Hematology
- Pediatrics
Context:
- Jaundice is common in newborns, often treated with phototherapy.
- Platelet function and count are critical hematological parameters in infants.
- Previous studies suggested potential effects of phototherapy on platelets, particularly in preterm infants.
Purpose:
- To investigate the effect of phototherapy on platelet counts and Platelet Factor 4 (PF4) levels in term newborn infants.
- To compare these effects in term infants receiving phototherapy versus a control group.
- To determine if phototherapy impacts platelet function in term neonates.
Summary:
- This study monitored platelet counts and PF4 levels in 15 term infants undergoing phototherapy over 96 hours, compared to 10 controls.
- Minimal, non-statistically significant differences were observed between the phototherapy and control groups.
- Researchers concluded that phototherapy does not adversely affect platelet function in term infants.
Impact:
- Provides evidence that standard phototherapy is safe for platelet function in term newborns.
- Suggests differences in skin maturity and bone marrow compensation explain the lack of effect in term vs. preterm infants.
- Informs clinical practice regarding the management of neonatal jaundice in term infants.