Abstract:
OBJECTIVE:To determine the magnitude and time course of adrenergic effects on metabolism in volunteers and possible implications for the use of sympathomimetics in the critically ill. DESIGN:Descriptive laboratory investigation. SUBJECTS:7 volunteers. INTERVENTION:Primed continuous infusions of stable isotope tracers ([15N2]-urea, [6,6-D2]-glucose, [methyl-D3]-L-leucine, [15N]-L-alanine) were used. After isotopic steady state had been reached an infusion of adrenaline (0.1 microgram/kg/min) was administered (4 h). Isotopic enrichment was measured using gas chromatography-mass spectrometry and the corresponding rates of appearance were calculated. MEASUREMENTS AND MAIN RESULTS:Glucose production increased from 14.1 +/- 1.2 to 21.5 +/- 2.0 mumol/kg/min (p < 0.05) after 80 min of adrenergic stimulation and then decreased again to 17.9 +/- 1.2 mumol/kg/min after 240 min. Leucine and ketoisocaproate (KIC) fluxes were 2.3 +/- 0.2 and 2.6 +/- 0.2 mumol/kg/min, respectively, at baseline and gradually decreased to 1.8 +/- 0.2 and 2.2 +/- 0.1 mumol/kg/min, respectively, after 240 min of adrenaline infusion (both p < 0.05). Alanine flux increased from 3.7 +/- 0.5 to 6.9 +/- 0.9 mumol/kg/min (p < 0.05) after 80 min of adrenergic stimulation. Urea production slightly decreased from 4.8 +/- 0.9 to 4.3 +/- 0.8 mumol/kg/min during adrenaline (p < 0.05). CONCLUSIONS:Adrenaline induced an increase in glucose production lasting for longer than 240 min. The decrease in leucine and KIC flux suggests a reduction in proteolysis, which was supported by the decrease in urea production. The increase in alanine flux is therefore most likely due to an increase in de-novo synthesis. The ammonia donor for alanine synthesis in peripheral tissues and the target for ammonia after alanine deamination in the liver remain to be investigated. These results indicate that adrenaline infusion most probably will not promote already enhanced proteolysis in critically ill patients. Gluconeogenesis is an energy consuming process and an increase may deteriorate hepatic oxygen balance in patients.
journal_name
Intensive Care Medjournal_title
Intensive care medicineauthors
Ensinger H,Träger K,Geisser W,Anhäupl T,Ahnefeld FW,Vogt J,Georgieff Mdoi
10.1007/BF01707665subject
Has Abstractpub_date
1994-01-01 00:00:00pages
113-8issue
2eissn
0342-4642issn
1432-1238journal_volume
20pub_type
杂志文章abstract:PURPOSE:An International Consensus Conference proposed classifying weaning into simple, difficult, and prolonged weaning. However, the usefulness of this classification in a respiratory intensive care unit (ICU) is unknown. The aims of the study were: (1) to compare the clinical characteristics and outcomes of patients...
journal_title:Intensive care medicine
pub_type: 杂志文章
doi:10.1007/s00134-011-2179-3
更新日期:2011-05-01 00:00:00
abstract::Knowledge translation is an important step for translational research. In this issue of Intensive Care Medicine, a new mini-series of basic research-related reviews is published. Three invited reviews focus on the role of extracellular matrix in ventilator-induced lung injury and mechanotransduction. The major challen...
journal_title:Intensive care medicine
pub_type: 评论,社论
doi:10.1007/s00134-007-0965-8
更新日期:2008-04-01 00:00:00
abstract:OBJECTIVE:Oxygen consumption (VO2) obtained from respiratory gases by indirect calorimetry (VO2,IC) with a metabolic monitor integrated in a ventilator were to be compared to VO2 obtained by the Fick principle (VO2,Fick) in septic patients following an increase in oxygen delivery (DO2) induced by positive inotropic sup...
journal_title:Intensive care medicine
pub_type: 临床试验,杂志文章
doi:10.1007/s001340000635
更新日期:2000-12-01 00:00:00
abstract:OBJECTIVE:The association of acute-phase reaction and outcome of patients with acute vascular diseases is controversial. The prognostic value of admission C-reactive protein (CRP) in patients with acute aortic aneurysm or dissection has not yet been investigated. DESIGN AND SETTING:Cohort study including 255 consecuti...
journal_title:Intensive care medicine
pub_type: 杂志文章
doi:10.1007/s00134-002-1299-1
更新日期:2002-06-01 00:00:00
abstract:PURPOSE:Rapid shallow breathing may occur at any time during spontaneous breathing trials (SBT), questioning the utility of a single determination of the rapid shallow breathing index (RSBI). We hypothesize that change in RSBI during SBT may more accurately predict successful extubation than a single determination. ME...
journal_title:Intensive care medicine
pub_type: 杂志文章
doi:10.1007/s00134-009-1735-6
更新日期:2010-03-01 00:00:00
abstract::Risk of critical illness is determined both by genetic and environmental influences, particularly those relating to infectious and cardiovascular diseases. Physiologically-based scoring systems cannot measure prior risk because they do not quantify physiological reserve independently of the acute illness. Genetic prof...
journal_title:Intensive care medicine
pub_type: 杂志文章,评审
doi:10.1007/s001340051120
更新日期:2000-01-01 00:00:00
abstract:PURPOSE:To evaluate the diagnostic accuracy of ultrasonography of optic nerve sheath diameter (ONSD) for assessment of intracranial hypertension. METHODS:Systematic review without language restriction based on electronic databases, with manual review of literature and conference proceedings until July 2010. Studies we...
journal_title:Intensive care medicine
pub_type: 杂志文章,meta分析,评审
doi:10.1007/s00134-011-2224-2
更新日期:2011-07-01 00:00:00
abstract::In oleic acid-induced pulmonary oedema (OAPO) sequential intrapulmonary fluid accumulation occurs leading to different expiratory flow pattern in dependent lung regions. The potential effects on efficacy of high-frequency jet ventilation (HFJV, f = 3 Hz, I: E = 0.43, FiO2 = 0.4) were studied and compared with continuo...
journal_title:Intensive care medicine
pub_type: 杂志文章
doi:10.1007/BF00295986
更新日期:1989-01-01 00:00:00
abstract::Nine patients hospitalized for tetanus were studied under the same protocol which included two haemodynamic studies with a preload trial (PLT). The first being made during therapy (diazepam barbiturate association), on the sixth day of hospitalisation, and the second one after recovery. The comparison of the results s...
journal_title:Intensive care medicine
pub_type: 杂志文章
doi:10.1007/BF01700252
更新日期:1978-07-01 00:00:00
abstract:OBJECTIVE:To describe the beliefs and attitudes of intensive care unit (ICU) nurses toward visiting, visiting hours, and open visiting policies in critical care settings. DESIGN:A descriptive, cross-sectional, multicenter survey. SETTING:Seventeen hospitals in Flanders (Dutch-speaking Belgium), including 30 ICUs. Six...
journal_title:Intensive care medicine
pub_type: 杂志文章
doi:10.1007/s00134-007-0599-x
更新日期:2007-06-01 00:00:00
abstract:OBJECTIVE:To examine the usefulness of preload indices obtained by transoesophageal echocardiography (TOE) for estimating stroke volume at various levels of cardiac index. DESIGN:Prospective clinical study. SETTING:Intensive care unit with surgical patients. PATIENTS:16 ventilated patients monitored via Swan-Ganz ca...
journal_title:Intensive care medicine
pub_type: 杂志文章
doi:10.1007/s001340050349
更新日期:1997-04-01 00:00:00
abstract::Since the introduction of synchronized intermittent mandatory ventilation (SIMV) several advantages have been attributed to this ventilatory mode, one of them being a more homogeneous distribution of ventilation and perfusion than during controlled mechanical ventilation (CMV). Up to now no data are available to confi...
journal_title:Intensive care medicine
pub_type: 杂志文章
doi:10.1007/BF01704716
更新日期:1991-01-01 00:00:00
abstract:OBJECTIVE:Transcapillary heat transfer after injections of cold saline into the right atrium generates bronchial thermodilution curves resembling those observed in the aorta. Under the assumption that no indicator is lost or gained within the pulmonary capillary bed and changes in blood temperature are instantaneously ...
journal_title:Intensive care medicine
pub_type: 杂志文章
doi:10.1007/s001340050818
更新日期:1999-02-01 00:00:00
abstract:PURPOSE:To evaluate the development of demographics and outcome of very old (>80 years) critically ill patients admitted to intensive care units. SETTING:All consecutive patients admitted to 41 Austrian intensive care units (ICUs) over an 11-year period. METHODS:We performed a retrospective cohort study of prospectiv...
journal_title:Intensive care medicine
pub_type: 杂志文章,多中心研究
doi:10.1007/s00134-012-2474-7
更新日期:2012-04-01 00:00:00
abstract:OBJECTIVE:To evaluate the effect of terlipressin on oxygenation, PaO2/FIO2, heart rate, mean arterial pressure, and mortality in children with septic shock refractory to high doses of dopamine/dobutamine and adrenaline. DESIGN AND SETTING:A randomized, nonblind study in the pediatric intensive care unit of a universit...
journal_title:Intensive care medicine
pub_type: 杂志文章,随机对照试验
doi:10.1007/s00134-007-0971-x
更新日期:2008-03-01 00:00:00
abstract::This article was originally published under a CC BY-NC 4.0 license, but has now been made available under a CC BY 4.0 license. The PDF and HTML versions of the paper have been modified accordingly. ...
journal_title:Intensive care medicine
pub_type: 杂志文章,已发布勘误
doi:10.1007/s00134-018-5254-1
更新日期:2018-05-01 00:00:00
abstract:PURPOSE:Neurologic and endothelial injury biomarkers are associated with prolonged delirium during critical illness and may reflect injury pathways that lead to poor long-term outcomes. We hypothesized that blood-brain barrier (BBB), neuronal, and endothelial injury biomarkers measured during critical illness are assoc...
journal_title:Intensive care medicine
pub_type: 杂志文章
doi:10.1007/s00134-018-5120-1
更新日期:2018-03-01 00:00:00
abstract:: ...
journal_title:Intensive care medicine
pub_type: 社论
doi:10.1007/s00134-018-5129-5
更新日期:2018-11-01 00:00:00
abstract::Measurements of added inspiratory work (AIW) of breathing imposed by three different CPAP systems were performed in 10 patients. One system was a continuous flow system while the two others were demand flow systems separated from respirators (Ohmeda VD 101 and Draeger CPAP 800 devices). AIW was calculated from pressur...
journal_title:Intensive care medicine
pub_type: 杂志文章
doi:10.1007/BF00292929
更新日期:1986-01-01 00:00:00
abstract:OBJECTIVE:Evaluating the prevalence, risk factors and prevention of pressure ulcers in Dutch intensive care units (ICUs). DESIGN:Cross-sectional design. SETTING:ICUs of acute care hospitals that participated in the 1998 and 1999 national prevalence surveys. Data were collected on 1 day in each year. PATIENTS:Eight h...
journal_title:Intensive care medicine
pub_type: 杂志文章
doi:10.1007/s001340101061
更新日期:2001-10-01 00:00:00
abstract:OBJECTIVE:To determine the influence of religious affiliation and culture on end-of-life decisions in European intensive care units (ICUs). DESIGN AND SETTING:A prospective, observational study of European ICUs was performed on consecutive patients with any limitation of therapy. Prospectively defined end-of-life prac...
journal_title:Intensive care medicine
pub_type: 杂志文章,多中心研究
doi:10.1007/s00134-007-0693-0
更新日期:2007-10-01 00:00:00
abstract::Changes in the inspiratory flow rate of mechanically ventilated patients can affect arterial oxygenation. Although the mechanism producing this alteration is not certain, one possible mechanism is a change in ventilation inhomogeneity. This study was performed to determine if the inspiratory flow setting would affect ...
journal_title:Intensive care medicine
pub_type: 杂志文章
doi:10.1007/BF00254316
更新日期:1984-01-01 00:00:00
abstract:BACKGROUND:In patients with severe sepsis, no randomized clinical trial has tested the concept of de-escalation of empirical antimicrobial therapy. This study aimed to compare the de-escalation strategy with the continuation of an appropriate empirical treatment in those patients. METHODS:This was a multicenter non-bl...
journal_title:Intensive care medicine
pub_type: 杂志文章,多中心研究,随机对照试验
doi:10.1007/s00134-014-3411-8
更新日期:2014-10-01 00:00:00
abstract::A cardiorespiratory monitoring system allows the measurement of FAECO2 and FECO2 in the expired air of the patient at the mouth (endtidal CO2) and in a mixing box. From these parameters, combined with the measured PACO2, the alveolo-expired (DuA = PECO2/PAECO2) and alveolar-arterial (Dua = PAECO2/PACO2) ductances whic...
journal_title:Intensive care medicine
pub_type: 杂志文章
doi:10.1007/BF01687162
更新日期:1980-08-01 00:00:00
abstract::Neuromuscular blocking agents (NMBAs) inhibit patient-initiated active breath and the risk of high tidal volumes and consequent high transpulmonary pressure swings, and minimize patient/ ventilator asynchrony in acute respiratory distress syndrome (ARDS). Minimization of volutrauma and ventilator-induced lung injury (...
journal_title:Intensive care medicine
pub_type: 杂志文章,评审
doi:10.1007/s00134-020-06297-8
更新日期:2020-12-01 00:00:00
abstract:OBJECTIVES:Inhalation of nitric oxide (NO) selectively dilates pulmonary vessels in well-ventilated regions. Prostaglandin F2 alpha (PGF2 alpha) is a vasoconstrictor and is reported to enhance hypoxic pulmonary vasoconstriction. The objective of this study was to examine whether the combination of intravenous PGF2 alph...
journal_title:Intensive care medicine
pub_type: 杂志文章
doi:10.1007/BF01709742
更新日期:1996-07-01 00:00:00
abstract:OBJECTIVE:To assess the effects of intravenous fish oil fat emulsion on the metabolic alterations induced by lipopolysaccharide (LPS) challenge in healthy volunteers. DESIGN:Two groups of eight healthy subjects were randomized to receive either two pharmacological doses of intravenous FO fat emulsion or no treatment. ...
journal_title:Intensive care medicine
pub_type: 杂志文章,随机对照试验
doi:10.1007/s00134-007-0591-5
更新日期:2007-05-01 00:00:00
abstract::Membranous laryngotracheobronchitis is a very serious infection which affects the larynx, trachea and bronchi, requiring aggressive therapeutic measures. It has been recently rediscovered as a cause of disease in children. However, it is a very unusual complication of measles. Two infants with measles and membranous l...
journal_title:Intensive care medicine
pub_type: 杂志文章
doi:10.1007/BF00273547
更新日期:1985-01-01 00:00:00
abstract:OBJECTIVES:To establish a preliminary list of critical incidents (CIs) associated with mechanical ventilation and to describe a CI reporting method. DESIGN:A list of CIs was established based on a consensus among ICU caregivers. The list was compared to CIs collected prospectively during a predefined study period. SE...
journal_title:Intensive care medicine
pub_type: 临床试验,杂志文章,随机对照试验
doi:10.1007/s00134-002-1251-4
更新日期:2002-04-01 00:00:00
abstract::Owing to an oversight by the authors, Figure 2 in this article was not the version intended for publication. The correct Figure 2, reproduced here, features footnote symbols and Figure 2b includes three studies as described in the main text. ...
journal_title:Intensive care medicine
pub_type: 杂志文章,已发布勘误
doi:10.1007/s00134-018-5055-6
更新日期:2018-02-01 00:00:00