Document Detail

The conundrum of neonatal coagulopathy.
MedLine Citation:
PMID:  23233618     Owner:  NLM     Status:  In-Data-Review    
The maturation and postnatal development of the human coagulation system was first studied and described more than 20 years ago. These older studies, supported by more recent data, confirm the significant and important differences in the physiology of coagulation and fibrinolysis in neonates and young children compared with older children and adults. Subsequently, significant differences were also described in the physiology of primary hemostasis and in global in vitro tests for hemostasis. These differences, which mostly reflect the immaturity of the neonatal hemostasis system, are functionally balanced. Healthy neonates show no signs of easy bruising or other bleeding diathesis and no increased tendency to thrombosis for any given stimulus compared with adults. Systemic diseases may affect hemostasis, predisposing ill neonates to increased hemorrhagic or thrombotic complications. The immaturity of the hemostasis system in preterm and very-low-birth-weight neonates may contribute to a higher risk for intraventricular hemorrhage. Therapies targeting the hemostasis system can be effective for preventing and treating these events. The concept of "neonatal coagulopathy" has an important impact on both the diagnosis and management of hemorrhagic or thrombotic events in neonates. For diagnosis of hemostasis disorders, diagnostic laboratories processing pediatric samples should use age-, analyzer-, and reagent-appropriate reference ranges. Age-specific guidelines should be followed for the management of neonates with hemostatic disorders.
Shoshana Revel-Vilk
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Hematology / the Education Program of the American Society of Hematology. American Society of Hematology. Education Program     Volume:  2012     ISSN:  1520-4383     ISO Abbreviation:  Hematology Am Soc Hematol Educ Program     Publication Date:  2012  
Date Detail:
Created Date:  2012-12-12     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  100890099     Medline TA:  Hematology Am Soc Hematol Educ Program     Country:  United States    
Other Details:
Languages:  eng     Pagination:  450-4     Citation Subset:  IM    
1Hadassah Hebrew-University Hospital, Jerusalem, Israel.
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