Research Topics
| J C MarshallSummaryAffiliation: University of Toronto Country: Canada Publications
| Collaborators
|
Detail Information
Publications
Intra-abdominal infectionsJohn C Marshall
Department of Surgery and the Interdepartmental Division of Critical Care Medicine, University of Toronto and the Toronto General Hospital, University Health Network, Toronto, Ont, Canada M5G 2C4
Microbes Infect 6:1015-25. 2004..Successful management depends on aggressive resuscitation and hemodynamic support, administration of adequate antimicrobial therapy, and the timely use of source control measures appropriate to the clinical situation...
The International Sepsis Forum's controversies in sepsis: how will sepsis be treated in 2051?John C Marshall
University of Toronto, General and Critical Care Surgery, Toronto General Hospital, Toronto, Ontario, Canada
Crit Care 6:465-7. 2002
Such stuff as dreams are made on: mediator-directed therapy in sepsisJohn C Marshall
Department of Surgery and the Interdepartmental Division of Critical Care Medicine, University of Toronto, Eaton North 9 234, Toronto General Hospital, University Health Network, 200 Elizabeth Street, Toronto, Ontario, Canada
Nat Rev Drug Discov 2:391-405. 2003....
Measures, markers, and mediators: toward a staging system for clinical sepsis. A report of the Fifth Toronto Sepsis Roundtable, Toronto, Ontario, Canada, October 25-26, 2000John C Marshall
Department of Surgery and Interdepartmental, Division of Critical Care, University of Toronto, Canada
Crit Care Med 31:1560-7. 2003..The evaluation of effective therapies has been hampered by limitations in our ability to characterize the process and to stratify patients into more homogeneous groups with respect to pathogenesis...
Intensive care unit management of intra-abdominal infectionJohn C Marshall
Department of Surgery, University of Toronto and Toronto General Hospital, University Health Network, Ontario, Canada
Crit Care Med 31:2228-37. 2003..To review the biologic characteristics of, and management approaches to, intra-abdominal infection in the critically ill patient...
The effects of granulocyte colony-stimulating factor in preclinical models of infection and acute inflammationJohn C Marshall
Department of Surgery and the Interdepartmental Division of Critical Care, Toronto General Hospital, University of Toronto, Ontario, Canada
Shock 24:120-9. 2005..Significant variability in the design and reporting of studies of preclinical models of acute illness precludes more sophisticated data synthesis...
Measurements in the intensive care unit: what do they mean?John C Marshall
Department of Surgery and the Interdepartmental Division of Critical Care Medicine, University of Toronto, and the Toronto General Hospital, University Health Network, Toronto, Canada
Crit Care 7:415-6. 2003
Sepsis: current status, future prospectsJohn C Marshall
Toronto General Hospital, University Health Network, Toronto, Ontario, Canada
Curr Opin Crit Care 10:250-64. 2004
Transfusion trigger: when to transfuse?John C Marshall
University of Toronto, Toronto, Ontario, Canada
Crit Care 8:S31-3. 2004..Arbitrary numeric hemoglobin triggers, however, cannot supercede intervention based on individual physiologic need and clinical circumstances...
Diagnostic and prognostic implications of endotoxemia in critical illness: results of the MEDIC studyJohn C Marshall
University Health Network, University of Toronto, Toronto, Ontario, Canada
J Infect Dis 190:527-34. 2004..Stepwise logistic regression analysis showed that elevated Acute Physiology and Chronic Health Evaluation II score, gram-negative infection, and emergency admission status were independent predictors of EA...
Measurement of endotoxin activity in critically ill patients using whole blood neutrophil dependent chemiluminescenceJohn C Marshall
Medical Surgical Intensive Care Unit, University Health Network, Toronto, Ontario, Canada
Crit Care 6:342-8. 2002..The relationship between endotoxaemia, Gram-negative infection and the clinical syndrome of sepsis has been difficult to establish, in part because of the limitations of available endotoxin assays...
Inflammation, coagulopathy, and the pathogenesis of multiple organ dysfunction syndromeJ C Marshall
Department of Surgery, University Health Network, University of Toronto, Ontario, Canada
Crit Care Med 29:S99-106. 2001....
The gut in critical illness: evidence from human studiesJ C Marshall
Department of Surgery, University of Toronto, Ontario, Canada
Shock 6:S10-6. 1996..The challenge to replace them is no less compelling and no less treacherous than it was in the era of Metchnikoff, Lane, or their ancient forebears...
A rapid assay of endotoxin in whole blood using autologous neutrophil dependent chemiluminescenceA D Romaschin
Department of Clinical Biochemistry, The Toronto Hospital, University of Toronto, Ontario, Canada
J Immunol Methods 212:169-85. 1998..This was reproducible over a wide range of LPS concentrations (0.017-1.6 EU/ml or 20-2000 pg/ml). This assay may be a clinically useful tool for the diagnosis of infection or endotoxin in patients...
Hemorrhagic shock primes for increased expression of cytokine-induced neutrophil chemoattractant in the lung: role in pulmonary inflammation following lipopolysaccharideJ Fan
Department of Surgery, The Toronto Hospital, University of Toronto, Ontario, Canada
J Immunol 161:440-7. 1998....
Clinical trials of mediator-directed therapy in sepsis: what have we learned?J C Marshall
Department of Surgery, The University of Toronto, The Toronto General Hospital, Ontario, Canada
Intensive Care Med 26:S75-83. 2000....
The gut as a potential trigger of exercise-induced inflammatory responsesJ C Marshall
Department of Surgery, University of Toronto, Ontario, Canada
Can J Physiol Pharmacol 76:479-84. 1998....
Subcutaneous heparin versus low-molecular-weight heparin as thromboprophylaxis in patients undergoing colorectal surgery: results of the canadian colorectal DVT prophylaxis trial: a randomized, double-blind trialR S McLeod
Department of Surgery, University of Toronto, Toronto, Ontario, Canada
Ann Surg 233:438-44. 2001..To compare the effectiveness and safety of low-dose unfractionated heparin and a low-molecular-weight heparin as prophylaxis against venous thromboembolism after colorectal surgery...
Source control in the management of sepsisM F Jimenez
Toronto General Hospital, University Health Network, Toronto, Ontario, Canada
Intensive Care Med 27:S49-62. 2001..Moreover evidence-based support for these principles is weak. In the final analysis, the elusive process of experienced surgical judgement is invaluable for all but the most straightforward problems...
Event adjudication and data monitoring in an intensive care unit observational study of thromboprophylaxisD Cook
Department of Medicine, McMaster University, Hamilton, Ontario, Canada
J Crit Care 24:168-75. 2009....
Discordance between perception and treatment practices associated with intensive care unit-acquired bacteriuria and funguria: a Canadian physician surveyClarence Chant
Pharmacy Department, St Michael s Hospital, Toronto, Ontario, Canada
Crit Care Med 36:1158-67. 2008..To determine physician practice and perception about the management of intensive care unit (ICU)-acquired bacteriuria and funguria...
Empiric antimicrobial therapy in critical illness: results of a surgical infection society surveyMary Anne W Aarts
Department of Surgery, University of Toronto, Toronto, Ontario, Canada
Surg Infect (Larchmt) 8:329-36. 2007..Often, therapy is initiated empirically; practice patterns are not well characterized. We documented approaches to empiric antibiotic therapy among members of the Surgical Infection Society (SIS)...
Source control in the management of severe sepsis and septic shock: an evidence-based reviewJohn C Marshall
From the Toronto General Hospital, University Health Network, Toronto, Ontario, Canada
Crit Care Med 32:S513-26. 2004..Appropriate source control should be part of the systematic checklist we have to keep in mind in setting up the therapeutic strategy in sepsis...
DNR directives are established early in mechanically ventilated intensive care unit patientsTasnim Sinuff
Department of Medicine, McMaster University Health Sciences Center, Room 2C11, 1200 Main Street West, Hamilton, Ontario L8N 3Z5, Canada
Can J Anaesth 51:1034-41. 2004..The strongest predictors of DNR directives were physician prediction of low probability of survival, physician perception of patient preference to limit life support, organ dysfunction, medical diagnosis and age...
Antibiotic management of suspected nosocomial ICU-acquired infection: does prolonged empiric therapy improve outcome?Mary Anne W Aarts
University of Toronto, Interdepartmental Division of Critical Care Medicine and the Department of Surgery, Toronto, Canada
Intensive Care Med 33:1369-78. 2007..To characterize empiric antibiotic use in patients with suspected nosocomial ICU-acquired infections (NI), and determine the impact of prolonged therapy in the absence of infection...
Efficacy and safety of the monoclonal anti-tumor necrosis factor antibody F(ab')2 fragment afelimomab in patients with severe sepsis and elevated interleukin-6 levelsEdward A Panacek
Department of Medicine, University of California-Davis Medical Center, Sacramento, CA, USA
Crit Care Med 32:2173-82. 2004..CONCLUSIONS: Afelimomab is safe, biologically active, and well tolerated in patients with severe sepsis, reduces 28-day all-cause mortality, and attenuates the severity of organ dysfunction in patients with elevated interleukin-6 levels...
Outcome measures for clinical research in sepsis: a report of the 2nd Cambridge Colloquium of the International Sepsis ForumJohn C Marshall
Department of Surgery, Interdepartmental Division of Critical Care Medicine, University of Toronto, St Michael s Hospital, Canada
Crit Care Med 33:1708-16. 2005..We sought to evaluate existing approaches and to draw on insights from other disciplines to propose a comprehensive approach to outcome evaluation in sepsis clinical trials...
Lipopolysaccharide: an endotoxin or an exogenous hormone?John C Marshall
Interdepartmental Division of Critical Care Medicine, Department of Surgery, University of Toronto, Toronto, Ontario, Canada
Clin Infect Dis 41:S470-80. 2005..Thus, LPS is not less an endotoxin than an exohormone, and its neutralization may potentially result in either benefit or harm...
Sepsis: rethinking the approach to clinical researchJohn C Marshall
Department of Surgery and Critical Care Medicine, St Michael s Hospital, University of Toronto, 30 Bond Street, Toronto, Ontario, Canada
J Leukoc Biol 83:471-82. 2008....
Iatrogenesis, inflammation and organ injury: insights from a murine modelJohn C Marshall
University of Toronto, St Michael s Hospital, 30 Bond St Rm 4 007, Bond Wing, Toronto, Ontario, Canada M5B 1W8
Crit Care 10:173. 2006....
The staging of sepsis: understanding heterogeneity in treatment efficacyJohn C Marshall
Department of Surgery, University of Toronto, Toronto, Ontario, Canada
Crit Care 9:626-8. 2005..They will be no less important in the optimal management of sepsis...
Effect of a liberal versus restrictive transfusion strategy on mortality in patients with moderate to severe head injuryLauralyn A McIntyre
Centre for Transfusion and Critical Care Research, Clinical Epidemiology Unit, Critical Care Program, University of Ottawa and Ottawa Health Research Institute, Ottawa, Ontario
Neurocrit Care 5:4-9. 2006..To compare a restrictive versus a liberal transfusion strategy in patients with moderate to severe closed head injury following multiple trauma in 13 Canadian intensive care units (ICUs)...
Surgical decision-making: integrating evidence, inference, and experienceJohn C Marshall
Departments of Surgery and Critical Care Medicine, University of Toronto, St Michael s Hospital, 4th Floor Bond Wing, Room 4 007, 30 Bond Street, Toronto, Ontario, Canada M5B 1W8
Surg Clin North Am 86:201-15, xii. 2006....
Controversies in sepsis clinical trials: proceedings of a meeting of the International Sepsis Forum, Lausanne, Switzerland, September 29, 2001R Phillip Dellinger
Robert Wood Johnson Medical School, University of Medicine and Dentistry of New Jersey, New Brunswick, NJ 08854, USA
J Crit Care 21:38-47. 2006..Once a therapy is approved, adopting less stringent but still appropriate criteria for the use of that therapy in clinical practice may be appropriate...
Daily variation in endotoxin levels is associated with increased organ failure in critically ill patientsDavid J Klein
St Michael s Hospital, University of Toronto, Ontario, Canada
Shock 28:524-9. 2007..Further studies are warranted to assess the role of daily variation in endotoxin levels in the pathogenesis and potential therapy of organ failure in the critically ill...
Intraabdominal infections in infants and children: descriptions and definitionsAnn E Thompson
Critical Care Medicine and Pediatrics, University of Pittsburgh School of Medicine, PA, USA
Pediatr Crit Care Med 6:S30-5. 2005..CONCLUSIONS: Criteria defining intraabdominal infection are proposed based on reports in the pediatric literature and expert opinion. Additional study of individual disorders, diagnostic criteria, and approach to management is warranted...
2001 SCCM/ESICM/ACCP/ATS/SIS International Sepsis Definitions ConferenceMitchell M Levy
Rhode Island Hospital, Brown University School of Medicine, 593 Eddy Street, Providence, RI 02903, USA
Crit Care Med 31:1250-6. 2003..This lack of evidence serves to underscore the challenge still present in diagnosing sepsis in 2003 for clinicians and researchers and also provides the basis for introducing PIRO as a hypothesis-generating model for future research...
Saturday night fever: finding and controlling the source of sepsis in critical illnessSandro B Rizoli
Department of Surgery, Interdepartmental Division of Critical Care, Sepsis Research Laboratories, Toronto General Hospital, University of Toronto, Ontario, Canada
Lancet Infect Dis 2:137-44. 2002....
Monocyte adhesion and transmigration induce tissue factor expression: role of the mitogen-activated protein kinasesIan D McGilvray
Department of Surgery, University of Toronto and University Health Network, Ontario, Canada
Shock 18:51-7. 2002..The selective inhibition of the mitogen-activated protein kinases may offer a novel therapeutic means of modulating this inflammatory sequence...
In defense of evidence: the continuing saga of selective decontamination of the digestive tractMary-Anne Aarts
Am J Respir Crit Care Med 166:1014-5. 2002
2001 SCCM/ESICM/ACCP/ATS/SIS International Sepsis Definitions ConferenceMitchell M Levy
Rhode Island Hospital, 593 Eddy Street, MICU Main 7, Providence RI 02903, USA
Intensive Care Med 29:530-8. 2003..Nevertheless, there has been an impetus from experts in the field to modify these definitions to reflect our current understanding of the pathophysiology of these syndromes...
The PIRO concept: R is for responseHerwig Gerlach
Department of Anaesthesiology and Intensive Care Medicine, Vivantes-Klinikum Neukoelln, Germany
Crit Care 7:256-9. 2003
The PIRO concept: O is for organ dysfunctionJean-Louis Vincent
Department of Intensive Care, Erasme Hospital, Free University of Brussels, Belgium
Crit Care 7:260-4. 2003
Delayed neutrophil apoptosis in sepsis is associated with maintenance of mitochondrial transmembrane potential and reduced caspase-9 activityRavi Taneja
Department of Surgery, The Toronto General Hospital, University Health Network, University of Toronto, Ontario, Canada
Crit Care Med 32:1460-9. 2004....
Pre-B cell colony-enhancing factor inhibits neutrophil apoptosis in experimental inflammation and clinical sepsisSong Hui Jia
Department of Surgery, University of Toronto, Toronto General Hospital, Toronto, Ontario, Canada
J Clin Invest 113:1318-27. 2004..These data identify PBEF as a novel inflammatory cytokine that plays a requisite role in the delayed neutrophil apoptosis of clinical and experimental sepsis...
Measuring organ dysfunction in the intensive care unit: why and how?John C Marshall
Can J Anaesth 52:224-30. 2005
Modulating neutrophil apoptosisJohn C Marshall
Department of Surgery, Interdepartmental Division of Critical Care Medicine, St Michael s Hospital, University of Toronto, Toronto, Canada
Novartis Found Symp 280:53-66; discussion 67-72, 160-4. 2007..A complex series of interactions between the neutrophil and microorganisms or their products regulates the duration and intensity of an inflammatory response, and so provides an attractive target for therapeutic manipulation...
Judging the angles formed by visible and imaginary clock hands: a study of hemispatial effects in healthy volunteersJuraj Kukolja
Institute of Medicine, , , Germany
Cortex 40:329-37. 2004..No such operation is required in the perceptual condition where the hands are clearly visible...
Hypertonic preconditioning prevents hepatocellular injury following ischemia/reperfusion in mice: a role for interleukin 10George D Oreopoulos
Department of Surgery, University Health Network and University of Toronto, Toronto, Ontario, Canada
Hepatology 40:211-20. 2004....
Regulation of Toll-like receptor 4 expression in the lung following hemorrhagic shock and lipopolysaccharideJie Fan
Department of Surgery, University Health Network, St Michael s Hospital and University of Toronto, Toronto, Ontario, Canada
J Immunol 168:5252-9. 2002....
Dynamic regulation of neutrophil survival through tyrosine phosphorylation or dephosphorylation of caspase-8Song Hui Jia
Department of Surgery, University of Toronto, Toronto, Ontario, Canada
J Biol Chem 283:5402-13. 2008....
Pre-B cell colony-enhancing factor (PBEF)/visfatin: a novel mediator of innate immunityTracy Luk
Department of Surgery and the Li Ka Shing Knowledge Institute, St Michael s Hospital, University of Toronto, Ontario, Canada
J Leukoc Biol 83:804-16. 2008..This review summarizes the admittedly incomplete body of emerging knowledge about a remarkable new mediator of innate immunity...
Temporal activation patterns of lateralized cognitive and task control processes in the human brainRene Gobbele
Department of Neurology, University Hospital Aachen, RWTH Aachen, Germany
Brain Res 1205:81-90. 2008..In addition, activation of ACC prior and after this differential activation is consistent with previous findings suggesting that this area may be involved in cognitive control...
Through a glass darkly: the brave new world of in silico modelingJohn C Marshall
Crit Care Med 32:2157-9. 2004
Surviving sepsis: a guide to the guidelinesJean Louis Vincent
Department of Intensive Care, Erasme Hospital, Universite Libre de Bruxelles, Route de Lennik 808, B 1070 Brussels, Belgium
Crit Care 12:162. 2008..The revised guidelines are far from perfect, but they represent the best available synthesis of contemporary knowledge in this area and as such should be promoted...
Up-regulation of functional CXCR4 expression on human lymphocytes in sepsisZiqiang Ding
Division of Thoracic Surgery, Department of Surgery, Toronto General Research Institute of the University Health Network, University of Toronto, Toronto, ON, Canada
Crit Care Med 34:3011-7. 2006..CONCLUSIONS: Blocking CXCR4 and CXCL12 function may provide a novel therapeutic method for controlling systemic inflammation and tissue injury in sepsis...
ARDS and the multiple organ dysfunction syndrome. Common mechanisms of a common systemic processRachel G Khadaroo
Department of Surgery, Interdepartmental Division of Critical Care, Sepsis Research Laboratories, Toronto General Hospital, University of Toronto, Toronto, Ontario, Canada
Crit Care Clin 18:127-41. 2002..The growing recognition that iatrogenic factors contribute to the expression of MODS has highlighted the need for the clinician to be aware of the potential for harm inherent with every intervention...
Neural mechanisms underlying spatial judgements on seen and imagined visual stimuli in the left and right hemifields in menJuraj Kukolja
Institute of Medicine, Cognitive Neurology Group, Research Centre Julich, Germany
Neuropsychologia 44:2846-60. 2006..Overall, our findings converge with neuropsychological data showing that representational and visuospatial neglect do not always co-occur...
Surviving Sepsis Campaign guidelines for management of severe sepsis and septic shockR Phillip Dellinger
Crit Care Med 32:858-73. 2004..The impact of these guidelines will be formally tested and guidelines updated annually and even more rapidly as some important new knowledge becomes as available...
Burden of illness in venous thromboembolism in critical care: a multicenter observational studyRakesh Patel
Department of Medicine, University of Ottawa, Canada K1Y 4E9
J Crit Care 20:341-7. 2005..Findings suggest the need for increased suspicion among clinicians, renewed efforts at thromboprophylaxis, and evaluation of superior prevention strategies...
Neutrophils in the pathogenesis of sepsisJohn C Marshall
St. Michael's Hospital, Toronto, Ontario, Canada
Crit Care Med 33:S502-5. 2005
Left inferior parietal cortex integrates time and space during collision judgmentsAnn Assmus
Institute of Medicine, , 52425, , Germany
Neuroimage 20:S82-8. 2003..Furthermore, the data suggest that the left supramarginal gyrus combines temporal and spatial variables more widely than previously supposed...
Preclinical models of shock and sepsis: what can they tell us?John C Marshall
St Michael s Hospital, Toronto, Ontario, Canada
Shock 24:1-6. 2005..Hence, greater model standardization would aid in interpreting data and in pooling results into systematic data syntheses: such efforts should be promoted and undertaken...
Cerebral localization, then and nowJohn C Marshall
University Department of Clinical Neurology, Radcliffe Infirmary, Oxford, UK
Neuroimage 20:S2-7. 2003....
Twenty-five percent albumin prevents lung injury following shock/resuscitationKinga A Powers
Department of Surgery, University Health Network, Toronto, Canada
Crit Care Med 31:2355-63. 2003..These studies suggest a novel role for 25% albumin as an anti-inflammatory agent in neutrophil-mediated diseases, such as acute respiratory distress syndrome...
Surviving Sepsis Campaign guidelines for management of severe sepsis and septic shockR Phillip Dellinger
Section of Critical Care Medicine, Cooper University Hospital, One Cooper Plaza, 393 Dorrance, Camden, NJ 08103, USA
Intensive Care Med 30:536-55. 2004..The impact of these guidelines will be formally tested and guidelines updated annually, and even more rapidly when some important new knowledge becomes available...
Modeling MODS: what can be learned from animal models of the multiple-organ dysfunction syndrome?John C Marshall
Intensive Care Med 31:605-8. 2005
Injurious mechanical ventilation and end-organ epithelial cell apoptosis and organ dysfunction in an experimental model of acute respiratory distress syndromeYumiko Imai
Department of Critical Care, St Michael's Hospital, University of Toronto, Toronto, Ontario
JAMA 289:2104-12. 2003..This may partially explain the high rate of MODS observed in patients with ARDS and the decrease in morbidity and mortality in patients treated with a lung protective strategy...
The pathogenesis and molecular biology of sepsisJohn C Marshall
Department of Surgery, and Interdepartmental Division of Critical Care Medicine, University of Toronto, Ontario, Canada
Crit Care Resusc 8:227-9. 2006
The surviving sepsis campaignJohn C Marshall
Crit Care Resusc 8:181-2. 2006
