2009
DOI: 10.1097/ccm.0b013e31819cedc9
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Epinephrine reduces cerebral perfusion during cardiopulmonary resuscitation*

Abstract: In this model, epinephrine through its alpha1-agonist action had adverse effects on cerebral microvascular blood flow such as to increase the severity of cerebral ischemia during CPR.

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Cited by 226 publications
(170 citation statements)
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References 48 publications
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“…[16,17,23,27] However, the clinical significance of this outcome is uncertain with a number of studies reporting either no improvement or a decrease in survival to hospital discharge or a decrease in favourable neurological outcome. [18,19,26,30]…”
Section: Discussionmentioning
confidence: 99%
See 1 more Smart Citation
“…[16,17,23,27] However, the clinical significance of this outcome is uncertain with a number of studies reporting either no improvement or a decrease in survival to hospital discharge or a decrease in favourable neurological outcome. [18,19,26,30]…”
Section: Discussionmentioning
confidence: 99%
“…This drug can lead to a number of undesirable sequelae. Its vasoconstrictive properties, while beneficial in the short term, have been shown to reduce perfusion of cerebral microcirculation[16,17] resulting in poor neurological outcomes. [18,19] It also renders ventricular pacing foci irritable and increases the probability of ventricular arrhythmias post resuscitation.…”
Section: Introductionmentioning
confidence: 99%
“…In a pig model of cardiac arrest, Ristagno et al [17] measured the cerebral microcirculatory blood fl ow, using orthogonal polarization spectral (OPS) imaging, and the cerebral cortical CO 2 and O 2 tensions (PbO 2 and PbCO 2 ) during and after CPR. Animals were randomized to either epinephrine or a combi nation of epinephrine with α 1 -and β-receptor blockade (prazosin + propranolol) or a combination of epinephrine with α 2 and β receptor blockade (yohimbine + propranolol).…”
Section: Epinephrinementioning
confidence: 99%
“…Evidências recentes sugerem que a epinefrina piora a perfusão da microcirculação cerebral, aumentando a gravidade da isquemia do sistema nervoso central (SNC) durante a RCP (18)(19)(20). De fato, a epinefrina aumentou a mortalidade em modelo experimental de PCR por hipóxia (21).…”
Section: Aespunclassified
“…No único estudo placebocontrolado em humanos, a epinefrina aumentou a chance do RCE, mas não foi melhor que placebo no prognóstico neurológico ou na probabilidade de sobrevida à alta hospitalar (22). Assim, acredita-se que o efeito benéfico da epinefrina no RCE seja contrabalanceado pelas propriedades deletérias ao miocárdio(12, 13) e à microcirculação cerebral (18,19). Isto explica por que houve tanto entusiasmo quando os resultados preliminares com a vasopressina na PCR foram publicados (23,24), uma vez que a epinefrina foi a única opção disponível há mais de um século.…”
Section: Aespunclassified