Catecholamines, such as dopamine and adrenaline, are hormones produced by the brain, nerve tissues, and adrenal glands. They are responsible for the body’s “fight-or-flight” response. Dopamine, ...

We performed a multicenter study of preterm infants, who were about to undergo patent ductus arteriosus ligation, to determine whether echocardiographic indices of impaired myocardial performance were ...