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Coagulation screening tests in high risk neonates: a prospective cohort study
B K Schmidt1, P Vegh, M Andrew
1Department of Pediatrics and Pathology, McMaster University, Hamilton, Ontario, Canada.
Insights
Early thrombocytopenia in high-risk newborns predicts coagulation abnormalities better than other factors. This finding aids in identifying neonates needing closer monitoring for bleeding risks.
Area of Science:
- Neonatal Medicine
- Hematology
- Pediatrics
Background:
- Neonates, especially those at high risk, can present with coagulation abnormalities.
- Identifying reliable predictors of these abnormalities is crucial for timely intervention.
Purpose of the Study:
- To evaluate early thrombocytopenia as a predictor of abnormal coagulation screening tests in high-risk neonates.
- To compare the predictive value of early thrombocytopenia against other common risk factors.
Main Methods:
- Prospective cohort study of 170 high-risk neonates.
- Coagulation screening tests performed within 36 hours of birth.
- Analysis of early thrombocytopenia, very low birth weight, fetal growth retardation, and Apgar scores as predictors.
Main Results:
- Forty-seven infants (27.6%) had abnormal coagulation screening tests.
- Early thrombocytopenia was a significant predictor of prolonged prothrombin times and hypofibrinogenemia.
- Very low birth weight, fetal growth retardation, and poor Apgar scores were less predictive.
Conclusions:
- Early thrombocytopenia is a valuable early indicator of coagulation dysfunction in high-risk neonates.
- This finding can guide clinical practice in monitoring and managing at-risk newborns.
- Further research may explore targeted interventions based on early thrombocytopenia detection.
Abstract:
Forty seven infants in a prospective cohort of 170 high risk neonates without signs of overt bleeding had abnormal coagulation screening tests within 36 hours of birth. Early thrombocytopenia was a better predictor of prolonged prothrombin times and hypofibrinogenemia than very low birth weight, fetal growth retardation, or poor five minute Apgar scores.