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Posttransfusion equilibration of hematocrit in hemodynamically stable neonates
Miguel Glatstein1, Tal Oron, Mila Barak
1Department of Neonatology, Lis Maternity Hospital, Tel Aviv Sourasky Medical Center, and the Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel.
Summary
Hematocrit levels in stable neonates stabilize within 15 minutes after a 3-hour blood transfusion, showing no significant difference compared to levels measured 6 hours later. This finding supports early assessment of transfusion effectiveness in preterm infants.
Area of Science:
- Neonatal Medicine
- Pediatric Hematology
Background:
- Anemia is common in preterm infants, often requiring blood transfusions.
- Assessing transfusion effectiveness requires understanding hematocrit stabilization post-procedure.
Purpose of the Study:
- To determine if hematocrit levels 15 minutes after a blood transfusion differ from those 6 hours later in stable neonates.
- To test the hypothesis that hematocrit stabilizes within 15 minutes post-transfusion.
Main Methods:
- Prospective study of 24 infants receiving blood transfusions.
- Hematocrit measured before, 15 minutes after, and 6 hours after transfusion (10 mL/kg over 3 hours).
- Capillary centrifugation used for hematocrit determination.
Main Results:
- Significant hematocrit increase observed at both 15 minutes and 6 hours post-transfusion.
- The percentage increase in hematocrit was identical (11%) at both time points.
Conclusions:
- Hematocrit levels 15 minutes post-transfusion are indistinguishable from those at 6 hours in stable, anemic infants.
- Early hematocrit assessment (15 minutes) can guide decisions on completing transfusions without additional donors.