PubMed Journal Database | Shock (Augusta, Ga.) RSS

19:49 EDT 18th March 2019 | BioPortfolio

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Showing PubMed Articles 1–25 of 502 from Shock (Augusta, Ga.)

Effects of End-Tidal Carbon Dioxide-Guided Fluid Resuscitation on Outcomes in a Cecal Ligation and Puncture Induced Rat Model of Sepsis.

Cecal ligation and puncture (CLP) was used to cause severe sepsis in male Sprague-Dawley rats. There are four groups in this study: sham (n = 5), CLP (n = 10), end-tidal carbon dioxide (ETCO2) (n = 10), and mean arterial pressure (MAP) (n = 10). In ETCO2 group, fluid resuscitation (FR) began when ETCO2 at most 25 mmHg. In MAP group, FR began when MAP at most 100 mmHg. Electrocardiogram, aortic pressure, core temperature, and ETCO2 values were recorded at baseline, 2, 4, 6, 8, 10, and 12 h ...

What'S New in Shock, April 2019?

Left Sided Ventricular-Arterial Coupling and Volume Responsiveness in Septic Shock Patients.

Suboptimal ventricular arterial coupling (VAC) is one of the pivotal determinants of inefficient heart performance despite appropriate administration of fluids or vasopressors in shocks. Here, we investigate the performance of VAC in patients who are unresponsive to fluid administration in septic shock.

Sparstolonin B: A Unique Anti-Inflammatory Agent.

Toll-like receptors are transmembrane proteins which sense and transmit infectious and inflammatory responses to the cells expressing them. Therapeutic strategies for the blockade of excessive Toll-like receptor signaling are being actively pursued for several diseases. Recently, Sparstolonin B, isolated from Chinese herb, which suppresses selectively Toll-like receptors has been studied in various inflammatory models. The objective of this review is to summarize the current literature regarding the use of ...

Mechanical Circulatory Support in Refractory Vasodilatory Septic Shock: A Randomized Controlled Porcine Study.

As controversy persists regarding the benefits of mechanical circulatory support in septic shock with a predominantly vasoplegic phenotype, preclinical studies may provide a useful alternative to fill the actual knowledge gap. Here, we investigated the physiologic responses to venoarterial extracorporeal membrane oxygenation therapy (VA-ECMO) in a clinically relevant porcine peritonitis-induced model of refractory vasodilatory septic shock. In 12 anesthetized, mechanically ventilated and instrumented domest...

Predictive Factors of Duration of Continuous Renal Replacement Therapy in Acute Kidney Injury Survivors.

The factors influencing continuous renal replacement therapy (CRRT) duration for critically ill patients with acute kidney injury (AKI) are unclear. Therefore, we investigated the clinical factors that could influence the duration of CRRT for AKI survivors. In this retrospective observational study, the medical records of all hospital survivors who required CRRT for AKI in intensive care units were analyzed. The CRRT duration (median, 6 days) was categorized as short-duration CRRT (≤ 6 days, n = 65) a...

Heparin-Binding Protein As A Prognostic Biomarker of Sepsis and Disease Severity at The Emergency Department.

Rapid and early detection of patients at risk to develop sepsis remains demanding. Heparin-binding protein (HBP) has previously demonstrated good prognostic properties in detecting organ dysfunction among patients with suspected infections. This study aimed to evaluate the plasma-levels of HBP as a prognostic biomarker for infection-induced organ dysfunction among patients seeking medical attention at the emergency department.

Adenoviral βARKct Cardiac Gene Transfer Ameliorates Post-resuscitation Myocardial Injury in a Porcine Model of Cardiac Arrest.

To determine whether the inhibition of the G protein-coupled receptor kinase 2 by adenoviral βARKct cardiac gene transfer can ameliorate post-resuscitation myocardial injury in pigs with cardiac arrest (CA) and explore the mechanism of myocardial protection.

What's New in Shock, February 2019?

Function is Dissociated From Activation-Related Immunophenotype on Phagocytes From Patients With Sirs/Sepsis Syndrome.

Sepsis is a life-threatening condition associated with failure of at least one organ in the presence of infection. Along with SIRS, the acute systemic inflammatory syndrome without documented infection, sepsis represents a main health problem in intensive care units around the world. Hypercytokinemia and overexpression of activation-markers on leukocytes are frequently reported in SIRS/sepsis. Leukocyte functions including antibody mediated-phagocytosis, pathogen recognition and migration appear to be disab...

Does Fenoldopam Protect Kidney in Cardiac Surgery? A Systemic Review and Meta-Analysis With Trial Sequential Analysis.

To assess the benefits and harms of fenoldopam for nephroprotective effects in adult patients undergoing cardiac surgery.

Hypoxia-Inducible Factor (HIF)-1α Promotes Inflammation and Injury Following Aspiration-Induced Lung Injury in Mice.

Acid aspiration-induced lung injury is a common disease in the intensive care unit (ICU) and acute respiratory distress syndrome (ARDS). Hypoxia-inducible factor (HIF)-1α is a major transcription factor responsible for regulating the cellular response to changes in oxygen tension. A clear understanding of the function of HIF-1α in lung inflammatory response is currently lacking. Here, we sought to determine the role of HIF-1α in type 2 alveolar epithelial cells (AEC) in the generation of the acute inflam...

Histone Deacetylase Inhibitors: A Novel Strategy In Trauma And Sepsis.

Trauma remains a leading cause of morbidity and mortality among all age groups in the United States. Hemorrhagic shock and traumatic brain injury (TBI) are major causes of preventable death in trauma. Initial treatment involves fluid resuscitation to improve the intravascular volume. Although crystalloids may provide volume expansion, they do not have any pro-survival properties. Furthermore, aggressive fluid resuscitation can provoke a severe inflammatory response and worsen clinical outcomes. Due to logis...

Methane-Rich Saline Protects Against Sepsis-Induced Liver Damage by Regulating The PPAR-γ/NF-κB Signaling Pathway.

Sepsis, a life-threatening organ dysfunction due to a dysregulated response to infection, is a common complication of major surgery. Previous studies have showed that methane possesses protective properties. This study aims to investigate the protective effect of methane-rich saline (MRS) on sepsis-induced liver injury. In an in vivo experiment, C57BL/6 mice received cecal ligation and puncture to create a septic model followed by MRS treatment (10 ml/kg, ip treatment) 30 min and 12 h after the operat...

Protein Compositions Changes Of Circulating Microparticles In Patients With Valvular Heart Disease Subjected To Cardiac Surgery Contribute To Systemic Inflammatory Response and Disorder of Coagulation.

We recently demonstrated that circulating microparticles(MPs) from patients with valvular heart diseases (VHD) subjected to cardiac surgery impaired endothelial function and vasodilation. However, it is unknown whether or not the protein composition of these circulating MPs actually changes in response to the disease and the surgery. Circulating MPs were isolated from age-matched control subjects (n = 50) and patients (n = 50) with VHD before and 72 h after cardiac surgery. Proteomics study was pe...

The Role of Macrophage Migration Inhibitory Factor in Remote Ischemic Conditioning Induced Hepatoprotection in A Rodent Model of Liver Transplantation.

Macrophage migration inhibitory factor (MIF) is an important stress-regulating mediator of acute ischemia/reperfusion (I/R) injury and ischemic conditioning. The present study aimed to investigate whether MIF is involved in the effects of remote ischemic conditioning (RIC) in a rat model of orthotopic liver transplantation (OLT).

The Contribution of The Omentum to the Outcome From Sepsis: An Experimental Animal Study.

The omentum is a large mesenchymal fibro-fatty tissue with remarkable healing capability. It is also rich in immune cells, including macrophages, and lymphocytes, within particular structures named milky spots. Clinical observations indicate a high incidence of peritonitis after removal of the omentum suggesting that it may play a role in sepsis. To test this possibility, male CD-1 mice underwent simultaneous omentectomy and CLP, omentectomy-sham operation and CLP alone, and mortality was documented within ...

Effects of Landiolol in Lipopolysaccharide-Induced Acute Kidney Injury in Rats and In Vitro.

The mechanisms by which landiolol, an ultra-short-acting, selective β-1 blocker, could improve septic acute kidney injury (AKI) and how inflammation might affect mitochondrial function and cause the renal injury were examined. Male Wistar rats (250-300 g) were randomly allocated to three groups: a sham control group (n = 8); a lipopolysaccharide (LPS) group (n = 8); and an LPS + landiolol group (n = 8). LPS was administered intravenously at the start of the experiments; the LPS + land...

Activation of AMP-Activated Protein Kinase by A769662 Ameliorates Sepsis-Induced Acute Lung Injury in Adult Mice.

A serious consequence of sepsis is acute lung injury, whose severity is particularly impacted by the age of the patient. AMP-activated protein kinase (AMPK) is a crucial regulator of cellular metabolism, which controls mitochondrial biogenesis and autophagy. Here, we investigated the effect of pharmacological activation of AMPK with A769662 on lung injury by using a model that would preferably mimic the clinical condition of adult patients. Male C57BL/6 retired breeder mice (7-9 months old) were subjected t...

Gut Barrier Dysfunction Induced by Aggressive Fluid Resuscitation in Severe Acute Pancreatitis is Alleviated by Necroptosis Inhibition in Rats.

Fluid resuscitation is the first-line antishock treatment in severe acute pancreatitis (SAP). Currently, although mentions of complications related to aggressive fluid resuscitation are very frequent, a lack of proper handling of complications remains. One of the most important complications is intestinal barrier injury, including intestinal ischemia-reperfusion injury following aggressive fluid resuscitation. Once injured, the intestinal barrier may serve as the source of additional diseases, including sys...

Systematic Identification and Analysis of Expression Profiles of mRNAs and IncRNAs in Macrophage Inflammatory Response.

Long non-coding RNAs (lncRNAs), once thought to be transcriptional noise, have been recently shown to regulate a variety of biological processes. However, their roles in the inflammatory response are largely unexplored. In this study, we performed high-throughput sequencing to identify the profiles of mRNA and lncRNA transcriptomes in response to LPS stimulation, followed by a comprehensive bioinformatics analysis. We found a total of 325 lncRNAs and 1187 mRNAs to be significantly dysregulated in RAW264.7 c...

What's New in Shock, January 2019?

What's New in Shock, December 2018?

Incidence, Patient Characteristics, Mode of Drug Delivery, and Outcomes of Septic Shock Patients Treated with Vasopressors in the Arise Trial.

To describe the utilization of vasopressors (VP) in patients enrolled in the Australasian Resuscitation In Sepsis Evaluation (ARISE) trial, and to explore the association between time to VP and 90-day mortality.

Military Supplement: Assessment of Coagulation Homeostasis in Blunt, Penetrating, and Thermal Trauma: Guidance for a Multi-Center Systems Biology Approach.

Provisioning care for traumatically injured patients makes conducting research very proximal to injury difficult. These studies also inherently have regulatory barriers to overcome. Here we outline a protocol for acute-phase enrollment of traumatically injured patients into a prospective observational clinical trial with precise and comprehensive sample acquisition in support of a systems biology approach to a research study.

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