Abstract:
OBJECTIVE:To investigate the effects of ventilatory mode, injectate temperature, and clinical situation on the precision of cardiac output measurements. DESIGN:Randomized, prospective observational study. SETTING:Single university hospital. PARTICIPANTS:Forty patients undergoing planned cardiac surgery, receiving a pulmonary artery catheter according to institutional routine. INTERVENTIONS:Cardiac output was measured at 4 predefined time points during the perioperative patient course, twice during controlled and twice during spontaneous ventilation, using 2 blocks of 8 measurement replications with cold and tepid injectate in random order. MEASUREMENTS AND MAIN RESULTS:The data were analyzed using a hierarchical linear mixed model. Clinical precision was determined as half the width of the 95% confidence interval for the underlying true value. The single-measurement precision measured in 2 different clinical situations for each temperature/ventilation combination was 8% to 10%, 11% to 13%, 13% to 15%, and 23% to 24% in controlled ventilation with cold injectate, controlled ventilation with tepid injectate, spontaneous breathing with cold injectate, and spontaneous breathing with tepid injectate, respectively. Tables are provided for the number of replications needed to achieve a certain precision and for how to identify significant changes in cardiac output. CONCLUSIONS:Clinical precision of cardiac output measurements is reduced significantly during spontaneous relative to controlled ventilation. The differences in precision between repeated measurement series within the temperature/ventilation combinations indicate influence of other situation-specific factors not related to ventilatory mode. Compared with tepid injectate in patients breathing spontaneously, the precision is 3-fold better with cold injectate and controlled ventilation.
journal_name
J Cardiothorac Vasc Anesthjournal_title
Journal of cardiothoracic and vascular anesthesiaauthors
Kirkeby-Garstad I,Trønnes H,Stenseth R,Sellevold OF,Aadahl P,Skogvoll Edoi
10.1053/j.jvca.2014.12.016subject
Has Abstractpub_date
2015-08-01 00:00:00pages
881-8issue
4eissn
1053-0770issn
1532-8422pii
S1053-0770(14)00652-1journal_volume
29pub_type
杂志文章,随机对照试验abstract:OBJECTIVE:To compare the hemodynamic effects, efficacy, and safety of intravenous milrinone (M), 50 microg/kg during 10 minutes followed by 0.5 microg/kg/min, with intravenous dobutamine (D), 10 to 20 microg/kg/min, in patients with low cardiac output after cardiac surgery. DESIGN:Randomized, open-label, multicenter s...
journal_title:Journal of cardiothoracic and vascular anesthesia
pub_type: 临床试验,杂志文章,随机对照试验
doi:10.1053/jcan.2001.23274
更新日期:2001-06-01 00:00:00
abstract:OBJECTIVE:To assess the association between postoperative central venous oxygen saturation (ScvO(2)) and arterial lactate with outcome after cardiac surgery. DESIGN:Prospective observational study. SETTING:University-affiliated tertiary care hospital. PARTICIPANTS:Patients after coronary artery bypass and/or valve s...
journal_title:Journal of cardiothoracic and vascular anesthesia
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abstract:OBJECTIVE:Acute kidney injury is a serious complication after cardiac surgery. Although it resolves in most cases, a significant portion of patients persistently have raised creatinine values at hospital discharge. These patients are at greater risk for developing chronic kidney disease and mortality. Therefore, the pr...
journal_title:Journal of cardiothoracic and vascular anesthesia
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doi:10.1053/j.jvca.2014.05.007
更新日期:2014-12-01 00:00:00
abstract:OBJECTIVE:This study was designed to evaluate the hemostatic effect of tranexamic acid in off-pump coronary artery bypass surgery. DESIGN:A prospective, randomized, double-blind, placebo-controlled study. SETTING:The Department of Anesthesiology and Cardiac Surgery, Medical Sciences University. PARTICIPANTS:One hund...
journal_title:Journal of cardiothoracic and vascular anesthesia
pub_type: 杂志文章,随机对照试验
doi:10.1053/j.jvca.2008.09.018
更新日期:2009-06-01 00:00:00
abstract:OBJECTIVES:The objectives of this study were to evaluate the effect of ventricular morphology on perioperative outcomes during Fontan surgery. DESIGN:Retrospective cohort study. SETTING:Single standing, not-for-profit pediatric hospital. PARTICIPANTS:A total of 72 patients who underwent Fontan surgery using cardiopu...
journal_title:Journal of cardiothoracic and vascular anesthesia
pub_type: 杂志文章
doi:10.1053/j.jvca.2016.07.024
更新日期:2017-02-01 00:00:00
abstract:OBJECTIVE:This study was designed to assess the use of 100% oxygen or 50% oxygen in air or nitrous oxide after cardiopulmonary bypass (CPB) on atelectasis, as evidenced by the oxygenation index (PaO2/F(I)O2), after coronary artery bypass graft (CABG) surgery. DESIGN:Prospective, randomized clinical study. SETTING:Uni...
journal_title:Journal of cardiothoracic and vascular anesthesia
pub_type: 杂志文章,随机对照试验
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更新日期:2006-04-01 00:00:00
abstract:OBJECTIVES:The purpose of this study was to determine quantitatively the effects of consumption, hemodilution, and blood loss on coagulation and fibrinolytic factor levels during cardiopulmonary bypass. DESIGN:A combination of measured levels of prothrombin, antithrombin, fibrinogen, plasminogen, and antiplasmin along...
journal_title:Journal of cardiothoracic and vascular anesthesia
pub_type: 杂志文章
doi:10.1053/j.jvca.2004.11.046
更新日期:2005-08-01 00:00:00
abstract::Temporary left ventricular support aims to decompress the left ventricle and provide adequate forward flow into the arterial circulation. This can be accomplished with endovascular devices such as the Impella with an internal motor, or with the implementation of cannulae to drain the left ventricle or left atrium and ...
journal_title:Journal of cardiothoracic and vascular anesthesia
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journal_title:Journal of cardiothoracic and vascular anesthesia
pub_type: 杂志文章
doi:10.1053/j.jvca.2018.11.006
更新日期:2019-05-01 00:00:00
abstract:OBJECTIVE:Most-Care (powered by the pressure-recording analytic method [PRAM]; Vytech HealthTM, Padova, Italy) is a minimally invasive cardiac output monitoring. This system already has been studied and validated in cardiac surgery and in children. It already showed a correlation with thermodilution methods in hemodyna...
journal_title:Journal of cardiothoracic and vascular anesthesia
pub_type: 杂志文章
doi:10.1053/j.jvca.2010.09.027
更新日期:2011-06-01 00:00:00
abstract:OBJECTIVE:Whereas it is established that endothelin-1 elicits sustained deleterious effects on the cardiovascular system during cardiopulmonary bypass (CPB), presently it remains unknown whether the inhaled administration of the dual ETA and ETB antagonist tezosentan prevents the development of pulmonary endothelial dy...
journal_title:Journal of cardiothoracic and vascular anesthesia
pub_type: 杂志文章,随机对照试验
doi:10.1053/j.jvca.2013.12.013
更新日期:2014-06-01 00:00:00
abstract::This study investigated the feasibility of transmyocardially pacing the heart using one temporary epicardial pacing lead and one endocardial lead of a pacing pulmonary artery catheter. Twenty patients undergoing cardiopulmonary bypass with cardioplegic arrest were studied 10 to 45 minutes and 18 to 30 hours after disc...
journal_title:Journal of cardiothoracic and vascular anesthesia
pub_type: 杂志文章
doi:10.1016/1053-0770(92)90047-b
更新日期:1992-12-01 00:00:00
abstract:OBJECTIVES:The aim of this study was to assess the feasibility and effects on perioperative management of a focused transthoracic echocardiogram performed by anesthesiologists. DESIGN:A prospective observational study of all patients having a focused cardiovascular ultrasound (FoCUS). SETTING:A single tertiary referr...
journal_title:Journal of cardiothoracic and vascular anesthesia
pub_type: 杂志文章
doi:10.1053/j.jvca.2009.01.018
更新日期:2009-08-01 00:00:00
abstract::Sotalol is a beta-adrenergic blocking drug with the additional property of lengthening the cardiac action potential. These electrophysiologic properties render the drug attractive for use in the prevention of postoperative supraventricular arrhythmias (SVA), and previous studies have suggested that it was indeed effec...
journal_title:Journal of cardiothoracic and vascular anesthesia
pub_type: 临床试验,杂志文章,随机对照试验
doi:10.1016/1053-0770(94)90283-6
更新日期:1994-08-01 00:00:00
abstract:OBJECTIVE:Auditory information presented during anesthesia can activate memory. Surgical stimulation may enhance memory formation. The authors' hypothesis is that implicit memory processing is not preserved during unconsciousness, even in the presence of a surgical stimulus. DESIGN:A double-blind randomized controlled...
journal_title:Journal of cardiothoracic and vascular anesthesia
pub_type: 杂志文章,随机对照试验
doi:10.1053/j.jvca.2008.09.016
更新日期:2009-04-01 00:00:00
abstract::Intramyocardial hematomas are a rare complication of myocardial infarctions. Normally restricted to the left ventricle, in certain scenarios, such as after a percutaneous coronary intervention, intramyocardial hematomas also can occur in the left atrium. Herein, the case of a 74-year-old man who presented to the autho...
journal_title:Journal of cardiothoracic and vascular anesthesia
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doi:10.1053/j.jvca.2020.06.053
更新日期:2020-10-01 00:00:00
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journal_title:Journal of cardiothoracic and vascular anesthesia
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doi:10.1016/1053-0770(93)90167-j
更新日期:1993-08-01 00:00:00
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journal_title:Journal of cardiothoracic and vascular anesthesia
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pub_type: 杂志文章,评审
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更新日期:2020-04-20 00:00:00
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journal_title:Journal of cardiothoracic and vascular anesthesia
pub_type: 杂志文章
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更新日期:2001-08-01 00:00:00
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journal_title:Journal of cardiothoracic and vascular anesthesia
pub_type: 杂志文章,meta分析,评审
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journal_title:Journal of cardiothoracic and vascular anesthesia
pub_type: 杂志文章
doi:10.1053/j.jvca.2016.04.025
更新日期:2017-02-01 00:00:00
abstract:OBJECTIVE:To determine which strategies are currently used for (anti)coagulation management and blood conservation during cardiac surgery in Canada. DESIGN:Institutional survey. SETTING:University hospital. PARTICIPANTS:All sites performing cardiac surgery in Canada. INTERVENTIONS:None. MEASUREMENTS AND MAIN RESUL...
journal_title:Journal of cardiothoracic and vascular anesthesia
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doi:10.1053/j.jvca.2008.02.005
更新日期:2008-10-01 00:00:00
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更新日期:1998-04-01 00:00:00
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journal_title:Journal of cardiothoracic and vascular anesthesia
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更新日期:2000-12-01 00:00:00
abstract::Propofol has previously been found to decrease hematocrit values. Because hematocrit is an important determinant of blood viscosity, lower hematocrits may cause a decrease in blood viscosity, improving blood flow and oxygen delivery. This phenomenon may be beneficial in certain intraoperative situations. To study the ...
journal_title:Journal of cardiothoracic and vascular anesthesia
pub_type: 杂志文章
doi:10.1016/1053-0770(93)90111-w
更新日期:1993-02-01 00:00:00
abstract:OBJECTIVES:To compare the effects of dexmedetomidine and propofol on sublingual microcirculation in patients after cardiac surgery. DESIGN:A prospective, randomized, single-blind study. SETTING:University hospital. PARTICIPANTS:Adult patients undergoing elective valve surgery with cardiopulmonary bypass. INTERVENTI...
journal_title:Journal of cardiothoracic and vascular anesthesia
pub_type: 杂志文章,随机对照试验
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更新日期:2016-12-01 00:00:00
abstract:OBJECTIVE:To develop a simple and reliable method for quantitating plasma glutamate concentration and apply this method to monitor systemic glutamate levels during coronary artery bypass graft (CABG) surgery, a procedure associated with neurologic deficits. DESIGN:Prospective serial investigation of cardiac surgery pa...
journal_title:Journal of cardiothoracic and vascular anesthesia
pub_type: 杂志文章
doi:10.1053/jcan.2002.125148
更新日期:2002-08-01 00:00:00
abstract:OBJECTIVES:Efficacy and safety of corticosteroids in patients with 2019-nCoV (novel coronavirus 2019) infection still are debated. Because large randomized clinical trials (RCTs) and a well-conducted meta-analysis on the use of corticosteroids, focused on patients with coronavirus disease (COVID-19) in intensive care u...
journal_title:Journal of cardiothoracic and vascular anesthesia
pub_type: 杂志文章,meta分析
doi:10.1053/j.jvca.2020.11.057
更新日期:2021-02-01 00:00:00