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Gérald Bertrand, Cécile Kaplan
Fetal and neonatal alloimmune thrombocytopenia (FNAIT) is a potentially devastating disease, seen in one in 800 to 1000 neonates. FNAIT is the most common cause of early-onset isolated severe neonatal thrombocytopenia in maternity wards. The complication of this disorder most to be feared is intracranial hemorrhage, leading to death or to neurologic sequels. As there is no systematic screening of at-risk pregnancies, FNAIT is often discovered when signs of bleeding are observed during pregnancy or at delivery...
July 2014: Transfusion
Marije M Kamphuis, Noortje P Paridaans, Leendert Porcelijn, Enrico Lopriore, Dick Oepkes
BACKGROUND: Neonatal alloimmune thrombocytopenia (NAIT) is a potentially devastating disease that may lead to intracranial hemorrhage in the fetus or neonate, often with death or major neurologic damage. There are no routine screening programs for NAIT, preventive measures are taken only in a subsequent pregnancy. To estimate the population incidence of NAIT and its consequences, we conducted a review of the literature. Our results may aid in the design of a screening program. METHODS: An electronic literature search included Medline, Embase, Cochrane database and references of retrieved articles...
April 2014: Pediatrics
Laura Sillers, Charles Van Slambrouck, Gabrielle Lapping-Carr
Neonatal thrombocytopenia has a broad range of possible etiologies. In this review, an asymptomatic newborn infant was found to have severe thrombocytopenia on laboratory testing for limited sepsis evaluation. The differential diagnosis for thrombocytopenia in the newborn period is discussed, along with recommendations for initial evaluation and follow up of isolated thrombocytopenia in an otherwise well-appearing infant. The clinician should be aware of findings associated with unusual causes of thrombocytopenia that should prompt additional evaluation in the nursery or in the general pediatrician's office...
July 2015: Pediatric Annals
Susanne Holzhauer, Barbara Zieger
Thrombocytopenia is the most common haematological abnormality in newborns admitted to neonatal care units and serves as an important indicator of underlying pathological processes of mother or child. In most cases thrombocytopenia is mild to moderate and resolves within the first weeks of life without any intervention. However, in some neonates thrombocytopenia is severe or may reflect an inborn platelet disorder. As clinical course and outcome of thrombocytopenia depend on the aetiology of thrombocytopenia, an appropriate work-up is essential to guide therapy in neonates with thrombocytopenia and to avoid severe bleeding...
December 2011: Seminars in Fetal & Neonatal Medicine
Suzanne F Gunnink, Roos Vlug, Karin Fijnvandraat, Johanna G van der Bom, Simon J Stanworth, Enrico Lopriore
Thrombocytopenia is a very common hematological abnormality found in newborns, especially in preterm neonates. Two subgroups can be distinguished: early thrombocytopenia, occurring within the first 72 hours of life, and late thrombocytopenia, occurring after the first 72 hours of life. Early thrombocytopenia is associated with intrauterine growth restriction, whereas late thrombocytopenia is caused mainly by sepsis and necrotizing enterocolitis (NEC). Platelet transfusions are the hallmark of the treatment of neonatal thrombocytopenia...
June 2014: Expert Review of Hematology
Robert Carr, Anne M Kelly, Lorna M Williamson
Five percent of newborn infants admitted to UK neonatal units during a recent study developed a platelet count <60 × 10(9)/l, and 60% of these were transfused platelets. This review summarises the common causes and mechanisms of thrombocytopenia in the newborn. Relevant evidence relating the platelet count to the risk of haemorrhage is reviewed, and current UK guidance on transfusion thresholds outlined. The UK policy for the provision of platelets for transfusion to neonates is described, including the particular requirements for neonatal allo-immune thrombocytopenia...
2015: Neonatology
Subarna Chakravorty, Irene Roberts
Although neonatal thrombocytopenia (platelet count < 150×10(9) /l) is a common finding in hospital practice, a careful clinical history and examination of the blood film is often sufficient to establish the diagnosis and guide management without the need for further investigations. In preterm neonates, early-onset thrombocytopenia (<72h) is usually secondary to antenatal causes, has a characteristic pattern and resolves without complications or the need for treatment. By contrast, late-onset thrombocytopenia in preterm neonates (>72h) is nearly always due to post-natally acquired bacterial infection and/or necrotizing enterocolitis, which rapidly leads to severe thrombocytopenia (platelet count<50×10(9) /l)...
January 2012: British Journal of Haematology
Malte Cremer, Hannes Sallmon, Pamela J Kling, Christoph Bührer, Christof Dame
Neonatal thrombocytopenia is widespread in preterm and term neonates admitted to neonatal intensive care units, with up to one-third of infants demonstrating platelet counts <150 × 10(9)/L. Thrombocytopenia may arise from maternal, placental or fetal/neonatal origins featuring decreased platelet production, increased consumption, or both mechanisms. Over the past years, innovations in managing neonatal thrombocytopenia were achieved from prospectively obtained clinical data on thrombocytopenia and bleeding events, animal studies on platelet life span and production rate and clinical use of fully automated measurement of reticulated platelets (immature platelet fraction)...
February 2016: Seminars in Fetal & Neonatal Medicine
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