Abstract:
BACKGROUND:Although anesthetics have some cardioprotective properties, these benefits are often counterbalanced by their negative inotropic effects. Xenon, on the other hand, does not influence myocardial contractility. Thus, xenon may be a superior treatment for the maintenance of global hemodynamics, especially during right ventricular ischemia, which is generally characterized by a high acute complication rate. METHODS:The effects of 70 vol% xenon and 0.9 vol% isoflurane on biventricular function were assessed in a porcine model (n=36) using the conductance catheter technique, and the expression of the type B natriuretic peptide (BNP) gene was measured. The animals underwent 90 min of right ventricular ischemia followed by 120 min of reperfusion. A barbiturate-anesthetized group was included as a control. RESULTS:Cardiac output was compromised in unprotected animals during ischemia by 33+/-18% and during reperfusion by 53+/-17%. This was mainly due to impaired contractility in the left ventricle (LV) and increased stiffness. Isoflurane attenuated the increase in stiffness and resulted in a higher preload. In contrast, xenon increased the right ventricular afterload, which was compensated by an increase in contractility. Its effects on diastolic function were less pronounced. Upregulation of BNP mRNA expression was impeded in the remote area of the LV by both isoflurane and xenon. CONCLUSIONS:Xenon and isoflurane demonstrated equipotent effects in preventing the hemodynamic compromise that is induced by right ventricular ischemia and reperfusion, although they acted through somewhat differential inotropic and vasodilatory effects.
journal_name
Acta Anaesthesiol Scandjournal_title
Acta anaesthesiologica Scandinavicaauthors
Hein M,Roehl AB,Baumert JH,Bleilevens C,Fischer S,Steendijk P,Rossaint Rdoi
10.1111/j.1399-6576.2009.02116.xsubject
Has Abstractpub_date
2010-04-01 00:00:00pages
470-8issue
4eissn
0001-5172issn
1399-6576pii
AAS2116journal_volume
54pub_type
杂志文章abstract:BACKGROUND:Cyclosporine A has generated intense interest in the field of cardioprotection due to its ability to protect the mitochondria at reperfusion by blocking the opening of the mitochondrial permeability transition pore. The aim of our study was to examine the cardioprotective effect of Sandimmun, a clinically av...
journal_title:Acta anaesthesiologica Scandinavica
pub_type: 杂志文章
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journal_title:Acta anaesthesiologica Scandinavica
pub_type: 临床试验,杂志文章,随机对照试验
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journal_title:Acta anaesthesiologica Scandinavica
pub_type: 临床试验,杂志文章,随机对照试验
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abstract:BACKGROUND:The INFECT project aims to advance our understanding of the pathophysiological mechanisms in necrotizing soft tissue infections (NSTIs). The INFECT observational study is part of the INFECT project with the aim of studying the clinical profile of patients with NSTIs and correlating these to patient-important...
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journal_title:Acta anaesthesiologica Scandinavica
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journal_title:Acta anaesthesiologica Scandinavica
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journal_title:Acta anaesthesiologica Scandinavica
pub_type: 杂志文章
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更新日期:2006-05-01 00:00:00
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journal_title:Acta anaesthesiologica Scandinavica
pub_type: 杂志文章
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journal_title:Acta anaesthesiologica Scandinavica
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journal_title:Acta anaesthesiologica Scandinavica
pub_type: 临床试验,杂志文章,随机对照试验
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journal_title:Acta anaesthesiologica Scandinavica
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journal_title:Acta anaesthesiologica Scandinavica
pub_type: 杂志文章
doi:10.1111/j.1399-6576.2007.01507.x
更新日期:2008-02-01 00:00:00
abstract::Ketamine sometimes produces posthypnotic emergency reactions, such as prolonged hallucination or delirium. In a previous paper, we showed that physostigmine, an anticholinesterase agent, counteracts the manifestation of effects of ketamine at some doses. In the present study, we investigated the mechanism of the antag...
journal_title:Acta anaesthesiologica Scandinavica
pub_type: 杂志文章
doi:10.1111/j.1399-6576.1992.tb03497.x
更新日期:1992-07-01 00:00:00
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journal_title:Acta anaesthesiologica Scandinavica
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doi:10.1111/aas.12910
更新日期:2017-08-01 00:00:00
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pub_type: 临床试验,杂志文章
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更新日期:2000-07-01 00:00:00
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pub_type: 杂志文章
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更新日期:2020-10-01 00:00:00
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journal_title:Acta anaesthesiologica Scandinavica
pub_type: 杂志文章
doi:10.1111/j.1399-6576.1991.tb03306.x
更新日期:1991-05-01 00:00:00
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journal_title:Acta anaesthesiologica Scandinavica
pub_type: 杂志文章
doi:10.1111/j.1399-6576.2011.02506.x
更新日期:2011-10-01 00:00:00
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journal_title:Acta anaesthesiologica Scandinavica
pub_type: 临床试验,杂志文章,随机对照试验
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更新日期:1998-01-01 00:00:00
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journal_title:Acta anaesthesiologica Scandinavica
pub_type: 杂志文章
doi:10.1111/aas.13709
更新日期:2021-02-01 00:00:00
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pub_type: 杂志文章
doi:10.1111/j.1399-6576.1988.tb02696.x
更新日期:1988-02-01 00:00:00