Neonatal critical illness is associated with pancytopenia development in childhood
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Objectives
Perinatal illness and preterm birth carry lifelong multiorgan complications and are associated with hematologic derangements during neonatal intensive care unit (NICU) admission. Despite this, long term hematologic morbidities following neonatal critical illness remain undefined. Our objective was to identify associations between prematurity, perinatal critical illness, and later hematologic dysfunction.
Study design
Single neonatal care network retrospective cohort study with cohorts divided by gestational age and the presence of critical illness markers. The association between hematologic dysfunction, critical illness, and prematurity was investigated using multivariate logistic regression.
Results
Among 13073 infants, critical illness or prematurity was found to increase the odds of developing pancytopenia post-NICU discharge. Subsequent analyses stratified on prematurity demonstrate that a diagnosis of shock or sepsis was associated with pancytopenia.
Conclusions
Our findings suggest that perinatal insults are associated with hematopoietic system dysfunction and long term morbidity. Importantly, critical illness, not prematurity itself, may drive this association in preterm infants.
