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Hemodynamic problems are common in neonatal intensive care. They occur in the context of incomplete myocardial and vascular development and in cardiovascular responses to interventions which are, as a result, limited and often uncertain and unpredictable. In this review, I outline the hemodynamic features of 4 neonatal conditions which often require intervention: (1) persistent pulmonary hypertension of the newborn, (2) cardiogenic shock (most commonly in the context of hypoxic ischemic injury), (3) sepsis and (4) low blood pressure in the transitional period of the extremely preterm infant. I also look at the evidence which exists for effective interventions and the most important research questions for the future. Copyright i 2013 S. Karger AG, Basel
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