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Neonatal Med > Volume 18(1); 2011 > Article
Journal of the Korean Society of Neonatology 2011;18(1):14-22.
DOI: https://doi.org/10.5385/jksn.2011.18.1.14    Published online May 15, 2011.
Disorders in Hemostasis.
Tae Jung Sung
Department of Pediatrics, College of Medicine, Hallym University, Seoul, Korea. neosung@hallym.or.kr
Neonatal bleeding is a common problem encountered in nursery rooms or neonatal intensive care units, especially among premature infants. Furthermore, owing to recent remarkable improvement of neonatology, survival rates of preterm neonates have increased; hence, neonatal bleeding cannot be emphasized enough. Since the total blood volume of neonates is small, bleeding can be one of the causes of morbidities and mortalities. Therefore, rapid diagnosis and immediate therapy is urgently needed. The patient's medical history including a familial history of a bleeding disorder or of a previously affected infant who suffered from bleeding along with maternal and neonatal drugs can provide important diagnostic clues. Presence of bleeding with or without petechiae and ecchymoses in a healthy term or late preterm infant with thrombocytopenia but normal prothrombin time and activated partial thromboplastin time strongly suggests a congenital bleeding disorder. For a sick infant who is bleeding from multiple sites, an acquired disorder such as disseminated intravascular coagulation is suspected. Intracranial hemorrhage in term or late preterm infants without a history of birth trauma is highly suggestive of coagulation disorders. The purpose of this review is to summarize recent advances in diagnostic methods is as well as basic concepts of neonatal hemostatic disorders. First, an outline of background information will be presented followed by a discussion of primary and secondary hemostatic disorders as well as inherited and acquired disorders.
Key Words: Hemostasis, Newborn, Hemorrhage, Congenital bleeding disorder, Acquired bleeding disorder


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