Shock : molecular, cellular, and systemic pathobiological aspects and therapeutic approaches : the official journal the Shock Society, the European Shock Society, the Brazilian Shock Society, the International Federation of Shock Societies
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Review Meta Analysis
Does Hypomagnesemia Impact on the Outcome of Patients Admitted to the Intensive Care Unit? A Systematic Review and Meta-Analysis.
Hypomagnesemia is commonly seen but frequently overlooked in critically ill patients in intensive care unit (ICU). However, the strength and consistency of the effect of hypomagnesemia on outcomes in critically ill patients remain controversial. In this report, we performed a systematic review and meta-analysis to evaluate the association of serum magnesium level with prognosis of critically ill patients upon admission to the ICU. ⋯ Length of ICU stay was also higher in the hypomagnesemia group (RR 1.85; 95% CI 0.43- 3.26; P = 0.01). Collectively, our data indicated that hypomagnesemia appears associated with greater risk of mortality, sepsis, mechanical ventilation, and the length of ICU stay in patients admitted to ICU. The role of magnesium therapy for improving outcomes in critically ill patients is needed to further study.
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We evaluated the mean platelet volume (MPV) to platelet ratio to determine its significance as a prognostic marker for early mortality in critically ill patients with suspected sepsis receiving early goal-directed therapy (EGDT). ⋯ In our study, MPV or platelet count alone did not predict shock and 28-day mortality in patients with severe sepsis receiving EGDT. However, the MPV/platelet ratio at ED admission and on day 1 is a promising prognostic marker for 28-day mortality in patients with severe sepsis.
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Acute Mesenteric Ischemia Among Postcardiac Surgery Patients Presenting with Multiple Organ Failure.
Acute mesenteric ischemia (AMI) is a rare but severe complication after cardiac surgery. However, AMI is likely to be more frequent in the subgroup of patients presenting with multiple organ failure after a cardiac surgery. The primary objective of this study was to identify AMI risk factors among patients requiring intensive care unit (ICU) admission after cardiac surgery. ⋯ AMI is a frequent condition among patients presenting with multiple organ failure after cardiac surgery, occurring in 10% of them. The prognosis of AMI is extremely poor. The main mechanism of AMI is NOMI, occurring in approximately 80% of patients. Further progress should be performed on prevention and earlier diagnosis.
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Neutrophils extracellular traps (NETs) have recently emerged as a new potential link between inflammation, immunity, and thrombosis and could play a key role in septic shock-induced disseminated intravascular coagulation (DIC) pathogenesis. The objective of our study was to investigate a potential link between NETosis and septic shock-induced DIC. ⋯ NEUT-SFL, NETs, and elevated nucleosome concentrations were all correlated to DIC (P <0.05). We have shown that NETosis is significantly correlated to septic shock-induced DIC.
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The monitoring of septic shock induced immunosuppression has been proposed to identify patients who could benefit from specific immunoadjuvant therapies. Among potential biomarkers to monitor immunological status, functional testing remains the gold standard because it directly measures the capacity of a cell population to respond to an immune challenge. We investigated a new approach in intracellular staining for flow cytometry to measure tumor necrosis factor (iTNF) produced in vitro by monocytes in response to lipopolysaccharide. ⋯ These preliminary results illustrate the feasibility of immune functional testing on a routine manner in septic shock patients. They now deserve to be widely assessed and validated in various intensive care unit conditions. This could be a major step to characterize the rapidly changing immune response overtime and thus permit personalized medicine.