"SILVER SPRING, MD â€” The US Food and Drug Administration (FDA) is warning of several treatment-related serious adverse events in association with implantable left ventricular assist devices (LVADs) in heart-failure patients.
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The following adverse reactions have been observed, but there are not enough data to support an estimate of their frequency.
ventricular arrhythmia (at very high doses)
cardiac conduction abnormalities
widened QRS complex
Central Nervous System
Gangrene of the extremities has occurred when moderate to high doses were administered for prolonged periods or in patients with occlusive vascular disease receiving low doses of dopamine (dopamine hydrochloride) HCl.
A few cases of peripheral cyanosis have been reported.
Read the Dopamine (dopamine hydrochloride) Side Effects Center for a complete guide to possible side effects
Cyclopropane or halogenated hydrocarbon anesthetics increase cardiac autonomic irritability and may sensitize the myocardium to the action of certain intravenously administered catecholamines, such as dopamine (dopamine hydrochloride) . The interaction appears to be related both to pressor activity and to the beta adrenergic stimulating properties of these catecholamines, and may produce ventricular arrhythmias. Therefore, EXTREME CAUTION should be exercised when administering dopamine (dopamine hydrochloride) HCl to patients receiving cyclopropane or halogenated hydrocarbon anesthetics. Results of studies in animals indicate that dopamine (dopamine hydrochloride) induced ventricular arrhythmias during anesthesia can be reversed by propranolol.
Because dopamine (dopamine hydrochloride) is metabolized by monoamine oxidase (MAO), inhibition of this enzyme prolongs and potentiates the effect of dopamine (dopamine hydrochloride) . Patients who have been treated with MAO inhibitors within two to three weeks prior to the administration of dopamine (dopamine hydrochloride) should receive initial doses of dopamine (dopamine hydrochloride) HCl not greater than one-tenth (1/10) of the usual dose.
Concurrent administration of low-dose dopamine (dopamine hydrochloride) HCl and diuretic agents may produce an additive or potentiating effect on urine flow.
Tricyclic antidepressants may potentiate the cardiovascular effects of adrenergic agents.
Cardiac effects of dopamine (dopamine hydrochloride) are antagonized by beta-adrenergic blocking agents, such as propranolol and metroprolol. The peripheral vasoconstriction caused by high doses of dopamine (dopamine hydrochloride) HCl is antagonized by alpha-adrenergic blocking agents. Dopamine (dopamine hydrochloride) -induced renal and mesenteric vasodilation is not antagonized by either alpha- or beta-adrenergic blocking agents.
Butyrophenones (such as haloperidol) and phenothiazines can suppress the dopamine (dopamine hydrochloride) rgic renal and mesenteric vasodilation induced with low-dose dopamine (dopamine hydrochloride) infusion.
The concomitant use of vasopressors, vasoconstricting agents (such as ergonovine) and some oxytocic drugs may result in severe hypertension.
Administration of phenytoin to patients receiving dopamine (dopamine hydrochloride) HCl has been reported to lead to hypotension and bradycardia. It is suggested that in patients receiving dopamine (dopamine hydrochloride) HCl, alternatives to phenytoin should be considered if anticonvulsant therapy is needed.This monograph has been modified to include the generic and brand name in many instances.
Last reviewed on RxList: 10/4/2010
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