Abstract:
INTRODUCTION:Chronic liver disease causes a disruption of procoagulant and anticoagulant factors, resulting in a fragile state, prone to increased rates of both bleeding and thrombosis. Currently, there is limited literature describing the changes observed in pediatric liver disease and extrahepatic portal vein obstruction or shunt. This study aimed to describe the changes that occur in children with chronic liver disease and extrahepatic portal vein obstruction or shunt. MATERIALS AND METHODS:We measured the concentration and activity of key procoagulant and anticoagulant factors in children with liver disease, children with extrahepatic portal vein obstruction or shunt, and healthy children. RESULTS:Children with severe liver disease had coagulopathic changes, including either decreased concentration or activity of factor II, factor V, and factor VII. Nineteen percent (8/42) of the cohort had significant bleeding. Thrombophilic changes were also observed, including decreased concentration or activity of protein C, protein S, and antithrombin and increased concentration and activity of factor VIII and Von Willebrand factor. Similar coagulation factor changes were observed in children with extrahepatic portal vein obstruction or shunt. There was a trend toward greater changes in coagulation factor activity compared to concentration. CONCLUSION:This study provides a detailed description of the changes in both the concentration and activity of coagulation factors in pediatric liver disease and extrahepatic portal vein obstruction or shunt. Interestingly, procoagulant and anticoagulant factors were deranged in portal vein obstruction or shunt to a similar degree as in liver disease. An improved understanding of the coagulation profile in the pediatric setting will contribute to the improved management of liver disease and extrahepatic portal obstruction or shunt. ABBREVIATIONS:PELD: pediatric end-stage liver disease score; MELD: model for end-stage liver disease score; ELISA: enzyme-linked immunosorbent assay; MCRI: Murdoch Childrens Research Institute; FII: factor II; FV: factor V; FVII: factor VII; FVIII: factor VIII; AT: antithrombin III; A2M: alpha-2-macroglobulin; vWF: Von Willebrand factor; PC: protein C; PS: protein S; ISTH-BAT: International Society on Thrombosis and Haemostasis Bleeding Assessment Tool.
journal_name
Pediatr Hematol Oncoljournal_title
Pediatric hematology and oncologyauthors
Beattie W,Magnusson M,Hardikar W,Monagle P,Ignjatovic Vdoi
10.1080/08880018.2017.1313919subject
Has Abstractpub_date
2017-03-01 00:00:00pages
107-119issue
2eissn
0888-0018issn
1521-0669journal_volume
34pub_type
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