Abstract
Following surgery for congenital heart disease, patients develop a predictable and progressive decline in cardiac output known as low cardiac output syndrome. During low cardiac output states, a compensatory response to increase systemic perfusion occurs both innately and as part of the postoperative pharmacologic support strategies intended to increase or sustain adequate oxygen delivery. The result typically involves a rise in systemic vascular resistance and heart rate. These and other responses may actually limit the ability of the recently operated heart to provide sufficient cardiac output to meet the oxygen demands of the body. In order to improve systemic oxygen delivery, clinicians have increasingly employed systemic vasodilator therapy to reduce afterload and improve ventriculoarterial coupling. This review will summarize currently utilized pharmacologic agents that promote systemic vasodilation and improve cardiac output through afterload reduction. This article addresses the fourth of eight topics comprising the special issue entitled “Pharmacologic strategies with afterload reduction in low cardiac output syndrome after pediatric cardiac surgery”.
Keywords: Low cardiac output syndrome, afterload reduction, nitroprusside, nitroglycerin, nesiritide, phenoxybenzamine, phentolamine, milrinone, levosimendan.
Current Vascular Pharmacology
Title:A Review of Systemic Vasodilators in Low Cardiac Output Syndrome Following Pediatric Cardiac Surgery
Volume: 14 Issue: 1
Author(s): Kimberly I. Mills, John M. Costello and Melvin C. Almodovar
Affiliation:
Keywords: Low cardiac output syndrome, afterload reduction, nitroprusside, nitroglycerin, nesiritide, phenoxybenzamine, phentolamine, milrinone, levosimendan.
Abstract: Following surgery for congenital heart disease, patients develop a predictable and progressive decline in cardiac output known as low cardiac output syndrome. During low cardiac output states, a compensatory response to increase systemic perfusion occurs both innately and as part of the postoperative pharmacologic support strategies intended to increase or sustain adequate oxygen delivery. The result typically involves a rise in systemic vascular resistance and heart rate. These and other responses may actually limit the ability of the recently operated heart to provide sufficient cardiac output to meet the oxygen demands of the body. In order to improve systemic oxygen delivery, clinicians have increasingly employed systemic vasodilator therapy to reduce afterload and improve ventriculoarterial coupling. This review will summarize currently utilized pharmacologic agents that promote systemic vasodilation and improve cardiac output through afterload reduction. This article addresses the fourth of eight topics comprising the special issue entitled “Pharmacologic strategies with afterload reduction in low cardiac output syndrome after pediatric cardiac surgery”.
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Cite this article as:
Mills I. Kimberly, Costello M. John and Almodovar C. Melvin, A Review of Systemic Vasodilators in Low Cardiac Output Syndrome Following Pediatric Cardiac Surgery, Current Vascular Pharmacology 2016; 14 (1) . https://dx.doi.org/10.2174/1570161113666151014124459
DOI https://dx.doi.org/10.2174/1570161113666151014124459 |
Print ISSN 1570-1611 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-6212 |
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