2002
DOI: 10.1590/s0102-76382002000300005
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Influência da lidocaína na proteção miocárdica com solução cardioplégica sangüínea

Abstract: OBJETIVO: Avaliar a eficácia da proteção miocárdica obtida com o acréscimo da lidocaína à solução sangüínea hipercalêmica normotérmica. MÉTODO: Foram estudados 26 cães, divididos em dois grupos de dez animais e um grupo de seis, de forma aleatória, conforme a solução cardioplégica de indução que receberam. O grupo I recebeu a solução composta por lidocaína 5mg/kg, cloreto de potássio 41,6mEq/l em 180ml de sangue normotérmico. O grupo II recebeu a solução anterior sem lidocaína e o grupo III recebeu somente os … Show more

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“…For this reason, it is necessary, whenever possible, to avoid the appearance of acidosis or to treat it aggressively [36] using buffering systems which have the purpose of keeping aerobic metabolism, functioning of calcium and sodium pumps, membrane integrity and to buffer acidosis occurring during myocardial ischemia time. Several types of buffers can be used, such as sodium bicarbonate [37], phosphate buffer, imidazole, among others; however, blood is the one presenting most advantages [38].…”
Section: Fig 1 -Myocardial Evolutionary Impairment Resulting From Ismentioning
confidence: 99%
“…For this reason, it is necessary, whenever possible, to avoid the appearance of acidosis or to treat it aggressively [36] using buffering systems which have the purpose of keeping aerobic metabolism, functioning of calcium and sodium pumps, membrane integrity and to buffer acidosis occurring during myocardial ischemia time. Several types of buffers can be used, such as sodium bicarbonate [37], phosphate buffer, imidazole, among others; however, blood is the one presenting most advantages [38].…”
Section: Fig 1 -Myocardial Evolutionary Impairment Resulting From Ismentioning
confidence: 99%
“…10 Voltage-dependent sodium channels constitute its classical targets, and the affinity of the drug for the channel is greater when it is opened (activated or inactive). 9 Thus, the degree of blocking varies according to the neuronal stimulation frequency.…”
Section: Introductionmentioning
confidence: 99%