Daizo Ueno

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BACKGROUND Neonates routinely receive vitamin K to prevent vitamin K deficiency bleeding, which is associated with a high mortality rate and a high frequency of neurological sequelae. A coagulation screening test might be necessary to detect prophylactic failure or incomplete prophylaxis. However, venous access and the volume of blood required for such(More)
INTRODUCTION Early infants are at risk of vitamin K (VK) deficiency-associated bleeding unless they receive VK prophylaxis. A coagulation screening test might be necessary to detect prophylactic failure, but it is rarely conducted owing to the difficulty of blood sampling. CoaguChek XS is a portable, point-of-care (POC) coagulation analyzer that determines(More)
BACKGROUND The morbidity and mortality rates due to cardiovascular events such as myocardial infarction are known to exhibit seasonal variations. Moreover, changes in the ambient temperature are reportedly associated with an increase in these events, which may potentially involve blood coagulation markers. Bleeding due to vitamin K deficiency in neonates,(More)
We report on a Filipino neonate with early onset and prolonged hyperbilirubinemia who was delivered by a vacuum extraction due to a prolonged labor. Subsequent studies revealed adrenal hemorrhage and glucose-6-phosphate dehydrogenase (G6PD) deficiency. It is likely that asphyxia and resultant hypoxia underlie the occurrence of adrenal hemorrhage and the(More)
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