Abstract:
OBJECTIVE:Acute renal failure remains a major challenge in critical care medicine. Both neutrophils and chemokines have been proposed as key components in the development of acute renal failure. Although the Duffy antigen receptor for chemokines (DARC) is present in several tissues and a highly specific ligand for various chemokines, its exact role in vivo remains unclear. DESIGN:Prospective, controlled experimental study. SETTING:University-based research laboratory. SUBJECTS:C57BL/6 wild-type and DARC gene-deficient mice (DARC-/-). INTERVENTIONS:To unravel the functional relevance of DARC in vivo, we compared wild-type and DARC-/- using neutrophil-dependent models of acute renal failure, induced by either local (renal ischemia-reperfusion) or systemic (endotoxemia, lipopolysaccharide) injury. MEASUREMENTS AND MAIN RESULTS:Plasma creatinine and blood urea nitrogen concentrations served as indicators of renal function or dysfunction. Enzyme-linked immunosorbent assays were used to measure tissue and plasma chemokine concentrations. We also performed immunostaining to localize chemokine expression and flow cytometry to evaluate neutrophil recruitment into the kidney. Following renal injury, wild-type mice developed moderate renal ischemia-reperfusion(lipopolysaccharide, 300% increase in plasma creatinine concentrations) to severe acute renal failure (renal ischemia-reperfusion, 40% mortality) as well as extensive renal neutrophil recruitment. DARC-/- mice exhibited no renal dysfunction (renal ischemia-reperfusion) or only very mild renal dysfunction (lipopolysaccharide, 20% increase in serum creatinine concentrations). DARC-/- mice showed no postischemic neutrophil infiltration. Although DARC-/- and wild-type mice exhibited similar global renal neutrophil-recruitment during endotoxemia, DARC-/- mice showed significantly impaired neutrophil extravasation. Total renal concentrations of the chemokine macrophage inflammatory protein 2, which has been shown to bind to DARC and to be crucial in postischemic acute renal failure, were either identical (lipopolysaccharide) or only moderately different (renal ischemia-reperfusion) between wild-type and DARC-/- mice. Immunostaining revealed an absence of macrophage inflammatory protein-2 in renal endothelial cells of DARC-/- mice. CONCLUSIONS:We suggest that DARC predominantly exerts its effects by controlling spatial chemokine distribution, which in turn regulates neutrophil recruitment and subsequent acute renal failure.
journal_name
Crit Care Medjournal_title
Critical care medicineauthors
Zarbock A,Schmolke M,Bockhorn SG,Scharte M,Buschmann K,Ley K,Singbartl Kdoi
10.1097/01.ccm.0000280570.82885.32subject
Has Abstractpub_date
2007-09-01 00:00:00pages
2156-63issue
9eissn
0090-3493issn
1530-0293journal_volume
35pub_type
杂志文章abstract:OBJECTIVES:To measure energy expenditure in critically ill children and compare it with the energy expenditure predicted by recommended formulas, and relate the measured energy expenditure to nutritional and clinical indices. DESIGN:A prospective, clinical study. SETTING:Tertiary care pediatric intensive care unit in...
journal_title:Critical care medicine
pub_type: 杂志文章
doi:10.1097/00003246-200004000-00042
更新日期:2000-04-01 00:00:00
abstract:OBJECTIVE:Our intent was to evolve a prognosticator that would predict the likelihood that an electrical shock would restore a perfusing rhythm. Such a prognosticator was to be based on conventional electrocardiographic signals but without constraints caused by artifacts resulting from precordial compression. The adver...
journal_title:Critical care medicine
pub_type: 杂志文章
doi:10.1097/00003246-200112000-00019
更新日期:2001-12-01 00:00:00
abstract:OBJECTIVES:To investigate pharmacokinetics and metabolism of sodium citrate in critically ill patients. To determine the risk of citrate accumulation in the setting of liver dysfunction (cirrhosis, hepatorenal syndrome). DESIGN:Prospective cohort study. SETTING:Intensive Care Unit, Department of Medicine IV, Universi...
journal_title:Critical care medicine
pub_type: 杂志文章
doi:10.1097/01.CCM.0000084871.76568.E6
更新日期:2003-10-01 00:00:00
abstract::Bed rest is frequently prescribed for critically ill patients because it is assumed to be beneficial for preventing complications, for conserving scarce metabolic resources, and for providing patient comfort. Furthermore, higher levels of physical activity in critically ill patients have been assumed to be impractical...
journal_title:Critical care medicine
pub_type: 杂志文章,评审
doi:10.1097/CCM.0b013e3181b6e30a
更新日期:2009-10-01 00:00:00
abstract:OBJECTIVE:Catheter-associated infections are common, costly, and potentially lethal. The impact of catheter insertion site on infection risk remains controversial. We aimed to establish whether nontunneled central venous catheters inserted in the subclavian vein are associated with lower risk of catheter-associated inf...
journal_title:Critical care medicine
pub_type: 杂志文章,meta分析
doi:10.1097/CCM.0b013e31823e99cb
更新日期:2012-05-01 00:00:00
abstract::Transfusion-associated circulatory overload is the most frequent serious adverse transfusion reaction, with an incidence close to 1% of transfused patients in the general adult population. Patients in ICUs are probably more at risk of transfusion-associated circulatory overload as they are more frequently transfused a...
journal_title:Critical care medicine
pub_type: 杂志文章
doi:10.1097/CCM.0000000000003743
更新日期:2019-06-01 00:00:00
abstract:OBJECTIVE:To investigate the relationship between nitric oxide production, endotoxemia, and hemodynamic alterations in human septic shock. DESIGN:Prospective study. SETTING:A 32-bed intensive care unit in a university referral hospital. PATIENTS:Two groups of septic patients with shock (n = 13) or without shock (n =...
journal_title:Critical care medicine
pub_type: 杂志文章
doi:10.1097/00003246-199502000-00009
更新日期:1995-02-01 00:00:00
abstract:OBJECTIVE:To evaluate the accuracies of the respiratory rate/tidal volume ratio (rate/volume ratio), minute volume, and negative inspired force in predicting weaning outcome in postoperative mechanically ventilated patients. DESIGN:A prospective, observational study. SETTING:Surgical intensive care unit of a 270-bed ...
journal_title:Critical care medicine
pub_type: 杂志文章
doi:10.1097/00003246-199702000-00010
更新日期:1997-02-01 00:00:00
abstract:OBJECTIVE:To determine whether polymorphisms of the surfactant protein B gene may be associated with increased mortality in patients with the acute respiratory distress syndrome. DESIGN:A prospective cohort study. SETTING:Four adult intensive care units at a tertiary academic medical center. PATIENTS:Two hundred fou...
journal_title:Critical care medicine
pub_type: 杂志文章
doi:10.1097/CCM.0b013e318183f608
更新日期:2008-09-01 00:00:00
abstract:OBJECTIVE:To determine whether the supplementation of parenteral nutrition with ω-3 fatty acids confers treatment benefits to critically ill adult patients. DATA SOURCE:We performed computerized searches for relevant articles from 1996 to June 2011 on MEDLINE, EMBASE, and the Cochrane register of controlled trials and...
journal_title:Critical care medicine
pub_type: 杂志文章,meta分析,评审
doi:10.1097/CCM.0b013e3182657578
更新日期:2013-01-01 00:00:00
abstract::Clinically, asystole or a bradyarrhythmia may follow countershock of ventricular fibrillation (VF) in up to 40% of attempts. This study evaluated the effects of artificial cardiac pacing, calcium chloride (CaCl2), and epinephrine in postcountershock asystole/bradycardia. Micromanometer catheters were positioned in the...
journal_title:Critical care medicine
pub_type: 杂志文章
doi:10.1097/00003246-198509000-00001
更新日期:1985-09-01 00:00:00
abstract::Chest physiotherapy (CPT) is used frequently in the ICU, but there is little available information that quantitates its effect on cardiac or respiratory function. Nineteen mechanically ventilated patients with post-traumatic respiratory failure were studied before, immediately after, and 2 h after CPT was used to mana...
journal_title:Critical care medicine
pub_type: 杂志文章
doi:10.1097/00003246-198506000-00009
更新日期:1985-06-01 00:00:00
abstract:OBJECTIVE:The use of corticosteroids in patients with sepsis or septic shock has been controversial for many decades. Clinical studies have reported beneficial, as well as negative results. We conducted a meta-analysis to assess the clinical evidence and to evaluate treatment effects in specific subgroups of patients. ...
journal_title:Critical care medicine
pub_type: 杂志文章,meta分析
doi:10.1097/00003246-199507000-00021
更新日期:1995-07-01 00:00:00
abstract:OBJECTIVES:Microcirculatory alterations are associated with adverse outcome in subsets of critically ill patients. The prevalence and significance of microcirculatory alterations in the general ICU population are unknown. We studied the prevalence of microcirculatory alterations in a heterogeneous ICU population and it...
journal_title:Critical care medicine
pub_type: 杂志文章
doi:10.1097/CCM.0000000000000553
更新日期:2015-01-01 00:00:00
abstract:OBJECTIVE:To estimate the prevalence of, the risk factors associated with, and the outcome of tracheostomy in a heterogeneous population of mechanically ventilated patients. DESIGN:Prospective, observational cohort study. SETTING:A total of 361 intensive care units from 12 countries. PATIENTS:A cohort of 5,081 patie...
journal_title:Critical care medicine
pub_type: 评论,杂志文章,多中心研究
doi:10.1097/01.ccm.0000150026.85210.13
更新日期:2005-02-01 00:00:00
abstract:OBJECTIVE:The objective of this study was to determine the clinical features associated with candidemia caused by non-albicans Candida spp. and with potentially fluconazole-resistant Candida spp. (C. glabrata and C. krusei) among candidemic intensive care unit patients. DESIGN:The authors conducted a nationwide prospe...
journal_title:Critical care medicine
pub_type: 杂志文章
doi:10.1097/CCM.0b013e3181760f42
更新日期:2008-07-01 00:00:00
abstract::A case of rabies was treated with intensive medical support. This led to a prolongation of life to 25 days. The neurologic progression of the disease was monitored clinically and with serial EEG. This prolonged course enabled us to witness and manage a wide variety of unusual complications including the adult respirat...
journal_title:Critical care medicine
pub_type: 杂志文章
doi:
更新日期:1989-08-01 00:00:00
abstract:BACKGROUND:The early detection of bacterial meningitis is crucial for successful outcome. Heparin-binding protein, a potent inducer of increased vascular permeability, is released from activated neutrophils in severe sepsis. OBJECTIVE:In this study we investigated whether heparin-binding protein levels in cerebrospina...
journal_title:Critical care medicine
pub_type: 杂志文章
doi:10.1097/CCM.0b013e318206c396
更新日期:2011-04-01 00:00:00
abstract:OBJECTIVE:To determine the functionality of identified polymorphisms in the promoter and upstream regions of the interleukin-10 gene in terms of release of interleukin-10 from lipopolysaccharide-stimulated whole blood from healthy volunteers and to evaluate the relationship of interleukin-10 polymorphisms to interleuki...
journal_title:Critical care medicine
pub_type: 杂志文章
doi:10.1097/00003246-200301000-00005
更新日期:2003-01-01 00:00:00
abstract:OBJECTIVE:To compare the scales and predictive power for hospital mortality of three recent multiple organ dysfunction scores. DESIGN:Prospective, observational, validation cohort study. SETTING:A ten-bed medical-surgical intensive care unit in a Finnish tertiary care hospital. PATIENTS:Among the 591 consecutive pat...
journal_title:Critical care medicine
pub_type: 杂志文章
doi:10.1097/00003246-200208000-00005
更新日期:2002-08-01 00:00:00
abstract::Paranasal sinusitis is reported as a complication of prolonged nasal intubation and the source of sepsis in adult intensive care patients. In surgical neonates with congenital malformations, prolonged intubation with a nasotracheal (NT) or NG tube is often necessary, but sinusitis with complicating sepsis is seldom re...
journal_title:Critical care medicine
pub_type: 杂志文章
doi:
更新日期:1989-09-01 00:00:00
abstract:OBJECTIVE:To evaluate the performance at admission to the pediatric intensive care unit (PICU) of five severity scores, two general (the Pediatric Risk of Mortality [PRISM] II and III scores) and three specific for meningococcal septic shock (Leclerc, Glasgow Meningococcal Septicemia Prognostic Score [GMSPS], and Gedde...
journal_title:Critical care medicine
pub_type: 杂志文章,多中心研究
doi:10.1097/00003246-200008000-00047
更新日期:2000-08-01 00:00:00
abstract::Hypophosphatemia may occur in Reye's syndrome. We retrospectively studied 42 patients with Reye's syndrome to determine the frequency and degree of hypophosphatemia, to identify possible causes, and to determine whether hypophosphatemia was related to the severity of disease or mortality. Nineteen (46%) patients were ...
journal_title:Critical care medicine
pub_type: 杂志文章
doi:10.1097/00003246-198506000-00008
更新日期:1985-06-01 00:00:00
abstract:OBJECTIVE:To test the reliability and validity of a modified moral distress tool, originally developed for the nursing profession, on respiratory care practitioners. To describe the relationship between moral distress, career dissatisfaction, and job turnover in respiratory care. DESIGN:A 28-question survey was develo...
journal_title:Critical care medicine
pub_type: 杂志文章
doi:10.1097/01.CCM.0000248879.19054.73
更新日期:2006-12-01 00:00:00
abstract::A system of instrumentation for continuous measurement of oxygen consumption (VO2), carbon dioxide production (VCO2) and minute ventilation (V1) in human newborns on assisted ventilation is described. VO2 and VCO2 are measured by open-circuit indirect calorimetry utilizing a Servomex OA 184 differential paramagnetic o...
journal_title:Critical care medicine
pub_type: 杂志文章
doi:10.1097/00003246-198311000-00011
更新日期:1983-11-01 00:00:00
abstract:OBJECTIVES:Excessive inflammation is closely related to severity and outcome of sepsis. Because interleukin-1-receptor-associated kinase 1 is a key signaling protein in the activation of NF-κB during infection, we aimed to evaluate the effect of functionally relevant haplotypes of IRAK1 on severity, development of acut...
journal_title:Critical care medicine
pub_type: 杂志文章
doi:10.1097/CCM.0b013e3181f9f9c7
更新日期:2010-12-01 00:00:00
abstract:OBJECTIVES:To review the intensive care unit experience of patients with admitted or acquired nosocomial endocarditis (NE) defined according to the Duke criteria. DESIGN:Prospective, cohort study. SETTING:University teaching hospital. PATIENTS:We reviewed the records of 22 patients documented with NE during a 6-yr p...
journal_title:Critical care medicine
pub_type: 杂志文章
doi:10.1097/00003246-200002000-00015
更新日期:2000-02-01 00:00:00
abstract:OBJECTIVE:To determine whether clinically relevant airspace concentrations of beta2-adrenergic agonists stimulated maximal alveolar fluid clearance rates and to determine whether beta2 agonist therapy decreased pulmonary edema in experimental acute lung injury. DESIGN:Prospective randomized laboratory investigation. ...
journal_title:Critical care medicine
pub_type: 杂志文章
doi:10.1097/01.ccm.0000129489.34416.0e
更新日期:2004-07-01 00:00:00
abstract:OBJECTIVE:Anemia increases risk of bleeding complications in the critically ill. In primary intracerebral hemorrhage (ICH), the most fatal type of stroke, outcome is largely dependent on the volume of hemorrhage into the brain. We investigated the relationship between anemia and clinical course of acute ICH. METHODS:S...
journal_title:Critical care medicine
pub_type: 杂志文章
doi:10.1097/CCM.0b013e31819ced3a
更新日期:2009-04-01 00:00:00
abstract:OBJECTIVE:Use of antibiotics in critically ill patients may increase the risk of invasive Candida infection. The objective of this study was to determine whether increased exposure to antibiotics is associated with increased prevalence of invasive Candida infection. DESIGN:Substudy using data from a randomized control...
journal_title:Critical care medicine
pub_type: 杂志文章,多中心研究,随机对照试验
doi:10.1097/CCM.0000000000000746
更新日期:2015-03-01 00:00:00