Platelet indices in late preterm newborns.

Background: The current study objective was to compare blood platelet indices in late preterm newborns (LPN) and full term newborns (FTN).

Materials And Methods: We recruited 58 LPN and 71 FTN. Platelet indices were estimated in blood samples collected from the umbilical artery.

Expression of P-selectin (CD62P) on platelets after thrombin and ADP in hypotrophic and healthy, full-term newborns.

Background: Hypotrophic newborns in comparison with eutrophic newborns demonstrate a reduced blood platelet count and therefore may have haemostasis disorders. Expression of P-selectin (CD62P) on the surface of platelets is a marker of stimulated, activated blood platelets. The ability of platelets to react can be determined after the addition of the following activators: strong (thrombin) and weak (ADP).