View clinical trials related to Shock.
Filter by:This study is to see whether the intravenous administration of methylene blue improves the outcome in severe sepsis and septic shock.
Septic shock remains the dominant cause of death in ICU's of the developed world with approximately 400,000 cases annually in the US and another 20,000 annually in Canada. While many retrospective and prospective reviews of septic shock patients have been undertaken worldwide, many key questions remain unanswered. These questions include the true incidence, associated morbidity and mortality of septic shock in North America, key factors associated with successful management and markers suggesting a high probability of a complicated clinical course. Part of the reason for the persistence of these questions, is the fact that previous and ongoing reviews of septic shock and severe sepsis have been either limited in number (typically <150) or biased by the need to be eligible for specific clinical trials (typically, non-eligible patients have not been followed and had data collected. We propose to examine specific questions within a temporally comprehensive cohort of septic shock patients by review of individual charts using a defined data-extraction template.
This study is designed to examine the early sequential cytokine responses during antibiotic therapy and resuscitation of septic shock in relation to clinical manifestations of disease. The specific objective is to obtain sequential serum samples from patients with septic shock, examine a broad range of cytokine responses (TNF, IL-1, IL-6, MIF, LIF, HMGB1, etc) in a rigorous manner and correlate these responses to administration of antibiotics, resuscitative efforts and physiologic responses to illness (temp, HR, blood pressure, WBC, etc).
Septic shock is a major cause of death in intensive care. Septic shock is often dominated by profound changes in organ functions, of which cardiac failure is one of the most severe. In septic shock, biological markers of cardiac stress are often elevated. It is not known to what extent this indicates structural damage to the heart, or in what way they correlate to echocardiographic signs of heart failure. Here, cardiac failure in ICU patients with septic shock is studied, using biological markers of cardiac stress, inflammatory parameters and echocardiography. Investigators hypothesize that biomarkers of cardiac stress correlate with echocardiographic signs of heart failure, and that they can predict an increased risk of death.
The purpose of this study is to evaluate the efficacy of terlipressin for treating septic shock.
Although few cases reported successful treatment of septic shock using extracorporeal membrane oxygenation (ECMO) in adults, no studies compared ECMO to conventional treatment (without ECMO) as treatment for adults with septic shock. Since it is difficult to conduct a randomized study to allocate patients in such critical condition, we aimed to conduct a retrospective observational study using propensity score matched analysis to compare the survival of adults with septic shock treated by ECMO or conventional treatment.
The purpose of this observational study is to determine whether endotoxin levels and/or their trends can be considered predictive of morbility or mortality in septic shock caused by gram-negative bacteria, searching also for a possible correlation with Simplified Acute Physiology Score (SAPS II), Sequential Organ Failure Assessment (SOFA), White Blood Cells (WBC) and Platelets (PLT).
B-type natriuretic peptide (BNP) is a cardiac neurohormone which rapidly released by the ventricle in response to myocardial stretch. BNP has been used as a biomarker of sepsis related cardiac dysfunction and volume overload in critical ill patients. It is also a marker associated with prognosis in patients with severe sepsis and septic shock. However, the clinical utility of BNP level in management of early severe sepsis and septic shock over the first 48 hours is not clear. Besides, Lactate represents as a maker of tissue hypoperfusion, which has been used as a guide therapy for sepsis patients and high serum lactate level is independently associated with mortality in severe sepsis. Today, in management of early severe sepsis and septic shock, current guideline emphasize the early goal-directed therapy (EGDT) with achieving the central venous pressure (CVP) level 8-12 mmHg by fluid support first, then targeting the next goal to maintain mean airway pressure (MAP) at least 65 mmHg by vasopressor agent (ie, Norepinephrine) and finally keeping central venous oxyhemoglobin saturation (ScvO2) > 70% via optimal Hct > 30% and dobutamine usage within first 6 hours of emergency department admission. However, the role of BNP and lactate in patients with severe sepsis and septic shock with or without myocardial dysfunction under EGDT management are not clear. The investigators will conduct a prospective observational study to investigate the change of BNP and Lactate within 48 hours in early severe sepsis and septic shock under EGDT management, their association of cardiac dysfunction and their role in predicting various clinical outcome. The investigators also want to see if BNP and lactate could be useful tools to guide the adjustment of optimal fluid supply and the timing of inotropic agent intervention.
Vasoplegic syndrome after cardiac surgery is a common complication after cardiac surgery, with negative impact on patient outcomes and hospital costs. Pathogenesis of vasodilatory phenomenon after cardiac surgery remains a matter of controversy. Loss of vascular tone can be partly explained by the depletion of neurohypophyseal arginine vasopressin stores. The investigators hypothesized that the use of arginine vasopressin would be more effective on treatment of shock after cardiac surgery than norepinephrine, decreasing the composite end point of mortality and severe morbidity.
PiCCO has become a widely used haemodynamic monitoring device in the management of shock patients in ICU patients nowadays. But the effects on outcome of use of Picco, such as hospital mortality, vasoactive agents-free days, intensive care unit, and mechanical ventilation-free days and change of lactate and BNP in shock patients has not been determined. Patients will be randomly assigned to a Picco group or the control group, hospital mortality, vasoactive agents-free days, intensive care unit, and mechanical ventilation-free days and change of lactate and BNP will be observed. The conclusion will supply evidence for the clinical effectiveness of Picco in shock patients.