Alex Veldman

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Among children, newborn infants are most vulnerable to development of thrombosis and serious thromboembolic complications. Amongst newborns, those neonates who are critically ill, both term and preterm, are at greatest risk for developing symptomatic thromboembolic disease. The most important risk factors are inflammation, DIC, impaired liver function,(More)
The classical model of the coagulation cascade is to be replaced by a new, cell based model of coagulation emphasizing the interaction of coagulation proteins with cell surfaces of platelets subendothelial cells and the endothelium. According to current knowledge hemostasis is initiated by the formation of a complex between tissue factor (TF) exposed as a(More)
BACKGROUND Patients who require extracorporeal membrane oxygenation (ECMO) postsurgery for congenital heart disease (CHD) frequently experience severe bleeding episodes. Whereas recombinant-activated factor VII (rFVIIa) has proven efficacy in counteracting intractable hemorrhage in various scenarios, its use in patients on ECMO is limited by the increased(More)
INTRODUCTION Purpura fulminans (PF) is a devastating complication of uncontrolled systemic inflammation, associated with high incidence of amputations, skin grafts and death. In this study, we aimed to clarify the clinical profile of pediatric patients with PF who improved with protein C (PC) treatment, explore treatment effects and safety, and to refine(More)
OBJECTIVES To compare high-frequency oscillatory ventilation (HFOV) and intermittent positive pressure ventilation (IPPV) as a primary ventilation mode in preterm infants with respiratory distress syndrome. Primary end points were survival and maintenance of the randomized ventilation mode. STUDY DESIGN Prospective, multicenter, randomized clinical trial.(More)
Recombinant factor VIIa (rFVIIa) is increasingly used outside the labeled indications for treatment of life-threatening bleeding episodes after failure of the respective standard therapy. An interdisciplinary group of experts summarizes the state of knowledge of the use of rFVIIa in gastroenterology and hepatology, thrombocytopenia and -pathia, coagulation(More)
Molybdenum cofactor deficiency (MoCD) is a rare metabolic disorder characterized by severe and rapidly progressive neurologic damage caused by the functional loss of sulfite oxidase, 1 of 4 molybdenum-dependent enzymes. To date, no effective therapy is available for MoCD, and death in early infancy has been the usual outcome. We report here the case of a(More)
OBJECTIVE Intraventricular hemorrhage (IVH) in the preterm infant is a devastating complication, causing marked mortality and morbidity. A general hemostatic agent such as recombinant activated factor VII (rFVIIa) might have the potential to reduce the extent of severe IVH. DESIGN Prospective, single-arm pilot study. SETTING Level III neonatal intensive(More)
INTRODUCTION To illustrate the advantages and limitations of transporting ventilated intensive care unit patients over intercontinental distances on commercial airlines, this case series reports 8 ventilated patients repatriated by an air medical transport company. PATIENTS Eight ventilated patients, 3 suffering from internal and 5 from neurologic(More)
Chronic alcohol exposure during pregnancy and the resulting toxic effects for the fetus has been the subject of many investigations. In contrast, acute alcohol intoxication during pregnancy is a rare event and less is known about the consequences for fetal life. We report a case of the acute ethanol intoxication of a pregnant woman at the 35th week of(More)