Use of tolazoline to counteract vasospasm in peripheral arterial catheters in neonates. 1996

R P Lemke, and S A al-Saedi, and J Belik, and O Casiro
Department of Pediatrics, Children's Hospital, Winnipeg, Manitoba, Canada.

Arterial access for blood sampling and continuous blood pressure monitoring is the cornerstone of modern neonatal intensive care. Although umbilical arterial catheters have traditionally been utilized for arterial access, they are associated with potentially devastating complications. Consequently, there has been an increase in the use of peripheral arterial catheters. Unfortunately, these catheters have a limited useful lifespan secondary to vasospasm, intimal damage and/or thrombus formation. In this report, we describe the use of tolazoline (0.02 to 0.2 mg/kg/h) to counteract local arterial vasospasm in five critically ill neonates, where arterial access was vital for care but difficult to maintain.

UI MeSH Term Description Entries
D007231 Infant, Newborn An infant during the first 28 days after birth. Neonate,Newborns,Infants, Newborn,Neonates,Newborn,Newborn Infant,Newborn Infants
D007263 Infusions, Parenteral The administration of liquid medication, nutrient, or other fluid through some other route than the alimentary canal, usually over minutes or hours, either by gravity flow or often by infusion pumping. Intra-Abdominal Infusions,Intraperitoneal Infusions,Parenteral Infusions,Peritoneal Infusions,Infusion, Intra-Abdominal,Infusion, Intraperitoneal,Infusion, Parenteral,Infusion, Peritoneal,Infusions, Intra-Abdominal,Infusions, Intraperitoneal,Infusions, Peritoneal,Intra Abdominal Infusions,Intra-Abdominal Infusion,Intraperitoneal Infusion,Parenteral Infusion,Peritoneal Infusion
D002404 Catheterization Use or insertion of a tubular device into a duct, blood vessel, hollow organ, or body cavity for injecting or withdrawing fluids for diagnostic or therapeutic purposes. It differs from INTUBATION in that the tube here is used to restore or maintain patency in obstructions. Cannulation,Cannulations,Catheterizations
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D001158 Arteries The vessels carrying blood away from the heart. Artery
D013035 Spasm An involuntary contraction of a muscle or group of muscles. Spasms may involve SKELETAL MUSCLE or SMOOTH MUSCLE. Muscle Spasm,Muscular Spasm,Spasm, Ciliary Body,Spasm, Generalized,Ciliary Body Spasm,Ciliary Body Spasms,Generalized Spasm,Generalized Spasms,Muscle Spasms,Muscular Spasms,Spasm, Muscle,Spasm, Muscular,Spasms,Spasms, Ciliary Body,Spasms, Generalized,Spasms, Muscle,Spasms, Muscular
D014043 Tolazoline A vasodilator that apparently has direct actions on blood vessels and also increases cardiac output. Tolazoline can interact to some degree with histamine, adrenergic, and cholinergic receptors, but the mechanisms of its therapeutic effects are not clear. It is used in treatment of persistent pulmonary hypertension of the newborn. Benzalolin,Divascol,Pridazole,Priscol,Priscoline,Tolazoline Hydrochloride,Tolazoline Monohydrochloride
D014661 Vasoconstriction The physiological narrowing of BLOOD VESSELS by contraction of the VASCULAR SMOOTH MUSCLE. Vasoconstrictions
D016638 Critical Illness A disease or state in which death is possible or imminent. Critically Ill,Critical Illnesses,Illness, Critical,Illnesses, Critical

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