2009
DOI: 10.1590/s0101-28002009000400008
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Uso de bicarbonato de sódio na acidose metabólica do paciente gravemente enfermo

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Cited by 4 publications
(7 citation statements)
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References 13 publications
(16 reference statements)
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“…Metabolic acidosis is a very frequent disorder in patients hospitalized in intensive care units and is associated with elevated mortality, (36) although the prognoses of these patients depend a great deal more on the severity of the disease underlying the acid-base disorder than on the severity of the metabolic acidosis itself. (37) It is well known that extreme levels of acidemia cause various undesirable effects on cell function.…”
Section: Discussionmentioning
confidence: 99%
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“…Metabolic acidosis is a very frequent disorder in patients hospitalized in intensive care units and is associated with elevated mortality, (36) although the prognoses of these patients depend a great deal more on the severity of the disease underlying the acid-base disorder than on the severity of the metabolic acidosis itself. (37) It is well known that extreme levels of acidemia cause various undesirable effects on cell function.…”
Section: Discussionmentioning
confidence: 99%
“…(37) It is well known that extreme levels of acidemia cause various undesirable effects on cell function. Among these effects one may point out weakness and fatigue of the respiratory musculature, (38) an increase in insulin resistance and consequent increase in protein catabolism, (36) which may explain the sarcopenia observed in sickle cell disease individuals, reduction in cardiovascular response at effort and reductions in myocardial contractility, (6) as well as increases in pulmonary vascular resistance. This explains the high number of sickle cell disease patients that develop pulmonary hypertension.…”
Section: Discussionmentioning
confidence: 99%
“…Entre as várias consequências adversas da acidemia, as mais temidas pelos intensivistas são sobre o sistema cardiovascular. (31) O coração é um órgão de alta atividade metabólica, susceptível a quedas no pH e a acidose metabólica afeta diretamente a função cardíaca. (32) Um dos efeitos da acidose metabólica sobre a função cardíaca é a centralização do volume sanguíneo, o que aumenta a susceptibilidade a edema pulmonar.…”
Section: Efeitos Da Acidose Metabólica Sobre a Contratilidade Cardíacaunclassified
“…(32) Um dos efeitos da acidose metabólica sobre a função cardíaca é a centralização do volume sanguíneo, o que aumenta a susceptibilidade a edema pulmonar. (31,33) A acidose tem efeitos eletrofisiológicos complexos que estão associados a uma alta recorrência de arritmias ventriculares, podendo ser fatal, quando não revertida rapidamente. Alguns achados sugerem que a diminuição do pH intracelular (pH extracelular constante) aumenta a atividade do trocador de sódio/ hidrogênio (Na + /H + ), que aumenta o fluxo de Na + intracelular, e portanto altera a atividade do trocador de sódio/cálcio (Na + /Ca 2+ ).…”
Section: Efeitos Da Acidose Metabólica Sobre a Contratilidade Cardíacaunclassified
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