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Objective: Blood product transfusion is a common practice in infants with hypoxic-ischemic encephalopathy (HIE) undoing therapeutic hypothermia (TH). The advantages and disadvantages of conservative or liberal transfusion practices in this fragile population are unknown. Study aims to characterize the transfusion practices in infants with HIE and investigate the association with outcome., Study Design: We conducted a retrospective cohort study at a single level IV NICU, evaluating transfusion thresholds, as well as the association between hematological abnormalities or blood product transfusions and outcomes in infants admitted with HIE., Result: By univariate analysis, FFP transfusion was associated with increased in-hospital death. However, multivariate analysis adjusting for HIE severity demonstrated no association between hematological abnormality or blood product transfusion and death, nor with neurodevelopmental impairment., Conclusion: No association was found between hematological blood product transfusion and death or neurodevelopmental impairment in a retrospective single NICU study of infants with HIE., (© 2024. The Author(s), under exclusive licence to Springer Nature America, Inc.)

Objective: To study the association between perinatal sentinel events (PSE) and brain MRI/neurodevelopmental outcomes in neonates with hypoxic-ischemic encephalopathy (HIE) receiving therapeutic hypothermia (TH)., Design: This is a retrospective single-center study. Data collection included perinatal history, brain MRI, and neurodevelopmental outcome., Results: Out of the 182 neonates, 53 (29%) neonates had PSE and 129 (71%) neonates did not have PSE. Neonates with PSE had more normal MRIs (76%) compared with neonates without PSE (55%), p = 0.01. PSE was associated with favorable motor (p = 0.02), language outcome (p = 0.03), and trend to better cognitive scores (p = 0.13). In PSE, favorable motor outcome persisted (OR for impairment 0.15 (0.003-0.84), p = 0.03) after adjusting for the degree of encephalopathy and brain MRI injury. Injury on brain MRI despite TH after PSE was associated with unfavorable neurodevelopmental outcome (p < 0.001)., Conclusion: Neonates with HIE receiving TH after PSE had less severe injury on brain MRI after rewarming, and improved motor and language outcomes at 18-36 months.