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https://www.readbyqxmd.com/read/28219767/the-biochemical-alterations-underlying-post-burn-hypermetabolism
#1
REVIEW
Christopher Auger, Osai Samadi, Marc G Jeschke
A severe burn can trigger a hypermetabolic state which lasts for years following the injury, to the detriment of the patient. The drastic increase in metabolic demands during this phase renders it difficult to meet the body's nutritional requirements, thus increasing muscle, bone and adipose catabolism and predisposing the patient to a host of disorders such as multi-organ dysfunction and sepsis, or even death. Despite advances in burn care over the last 50 years, due to the multifactorial nature of the hypermetabolic phenomenon it is difficult if not impossible to precisely identify and pharmacologically modulate the biological mediators contributing to this substantial metabolic derangement...
February 17, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28219187/-clinical-application-of-acutegastrointestinal-injury-grading-system-assocaited-with-clinical-severity-outcome-in-critically-ill-patients-a-multi-center-prospective-observational-study
#2
B C Hu, R H Sun, A P Wu, Y Ni, J Q Liu, L J Ying, Q P Xu, G P Ge, Y C Shi, C W Liu, L Xu, R H Lin, R L Jiang, J Lu, Y N Zhu, W D Wu, X J Ding, B Xie
Objective: To investigate the feasibility of utilizing the current acute gastrointestinal injury(AGI) grading system, and explore the association of severity of AGI grade with clinical outcome in critically ill patients. Methods: The adult patients from 14 general ICUs in Zhejiang Province with an expected admission to ICU for at least 24 h were recruited, and all clinical, laboratory, and survival data were prospectively collected. The AGI grade was daily assessed based on GIsymptoms, feeding details and organ dysfunctionon the first week of admission to ICU...
February 7, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28208612/enteric-pathogens-and-their-toxin-induced-disruption-of-the-intestinal-barrier-through-alteration-of-tight-junctions-in-chickens
#3
REVIEW
Wageha A Awad, Claudia Hess, Michael Hess
Maintaining a healthy gut environment is a prerequisite for sustainable animal production. The gut plays a key role in the digestion and absorption of nutrients and constitutes an initial organ exposed to external factors influencing bird's health. The intestinal epithelial barrier serves as the first line of defense between the host and the luminal environment. It consists of a continuous monolayer of intestinal epithelial cells connected by intercellular junctional complexes which shrink the space between adjacent cells...
February 10, 2017: Toxins
https://www.readbyqxmd.com/read/28188006/changes-in-hemostasis-caused-by-different-replacement-fluids-and-outcome-in-therapeutic-plasma-exchange-in-pediatric-patients-in-a-retrospective-single-center-study
#4
REVIEW
Volker Witt, Herbert Pichler, Elisabeth Beiglboeck, Friedrich Kursten, Lisa Weidner
BACKGROUND: Therapeutic plasma exchange (TPE) is a generally accepted and frequently performed procedure for numerous therapeutic indications in adults. Slowly, TPE is also becoming more and more popular in the treatment of pediatric patients. Although, we know that TPE is safe in pediatric patients, the outcome of children treated with TPE is rarely reported. Furthermore, there are only general recommendations regarding the plasma replacement fluid for children and these are adopted from adults...
January 19, 2017: Transfusion and Apheresis Science
https://www.readbyqxmd.com/read/28181253/adipocytes-properties-and-crosstalk-with-immune-system-in-obesity-related-inflammation
#5
REVIEW
Giulia Maurizi, Lucio Della Guardia, Angela Maurizi, Antonella Poloni
Obesity is a condition likely associated with several dysmetabolic conditions or worsening of cardiovascular and other chronic disturbances. A key role in this mechanism seem to be played by the onset of low-grade systemic inflammation, highlighting the importance of the interplay between adipocytes and immune system cells. Adipocytes express a complex and highly adaptive biological profile being capable to selectively activate different metabolic pathways in order to respond to environmental stimuli. It has been demonstrated how adipocytes, under appropriate stimulation, can easily differentiate and de-differentiate thereby converting themselves into different phenotypes according to metabolic necessities...
February 9, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28162008/clinical-implications-of-understanding-the-association-between-oxidative-stress-and-pediatric-nafld
#6
Jake P Mann, Massimiliano Raponi, Valerio Nobili
Oxidative stress is central to the pathogenesis of non-alcoholic steatohepatitis. The reactive oxygen species (ROS) that characterise oxidative stress are generated in several cellular sites and their production is influence by multi-organ interactions. Areas covered: Mitochondrial dysfunction is the main source of ROS in fatty liver and is closely related to endoplasmic reticulum stress. Both are caused by lipotoxicity and together these three factors form a cycle of progressive organelle damage, resulting in sterile inflammation and apoptosis...
February 6, 2017: Expert Review of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28144715/cardioprotective-effects-of-irbesartan-in-polymicrobial-sepsis-the-role-of-the-p38mapk-nf-%C3%AE%C2%BAb-signaling-pathway
#7
N G Yousif, N R Hadi, F Al-Amran, Q A Zigam
BACKGROUND: Sepsis is a systemic inflammatory response usually correlated with multi-organ failure. Myocardial dysfunction is one of the adverse outcomes in septic patients and results in high mortality rates. The aim of this study was to investigate the impact of irbesartan in attenuation of cardiac depression during polymicrobial sepsis via decreased activation of the phospho-p38MAPK/nuclear factor (NF)-κB signaling pathway. MATERIALS AND METHODS: A model of polymicrobial sepsis induced via cecal ligation and puncture (CLP) with 8- to 12-week-old albino mice was used...
January 31, 2017: Herz
https://www.readbyqxmd.com/read/28141912/high-volume-haemofiltration-for-sepsis-in-adults
#8
REVIEW
Emma Mj Borthwick, Christopher J Hill, Kannaiyan S Rabindranath, Alexander P Maxwell, Danny F McAuley, Bronagh Blackwood
BACKGROUND: Severe sepsis and septic shock are leading causes of death in the intensive care unit (ICU), despite advances in the treatment of patients with severe sepsis and septic shock, including early recognition, appropriate treatment with antibiotics and support of organs that may have been affected by the illness. High-volume haemofiltration (HVHF) is a blood purification technique that may improve outcomes in severe sepsis or septic shock. The technique of HVHF has evolved from renal replacement therapies used in the ICU to treat critically ill patients with acute kidney injury (AKI)...
January 31, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28139432/clinical-features-and-prognostic-factors-of-listeriosis-the-monalisa-national-prospective-cohort-study
#9
Caroline Charlier, Élodie Perrodeau, Alexandre Leclercq, Benoît Cazenave, Benoît Pilmis, Benoît Henry, Amanda Lopes, Mylène M Maury, Alexandra Moura, François Goffinet, Hélène Bracq Dieye, Pierre Thouvenot, Marie-Noëlle Ungeheuer, Mathieu Tourdjman, Véronique Goulet, Henriette de Valk, Olivier Lortholary, Philippe Ravaud, Marc Lecuit
BACKGROUND: Listeriosis is a severe foodborne infection and a notifiable disease in France. We did a nationwide prospective study to characterise its clinical features and prognostic factors. METHODS: MONALISA was a national prospective observational cohort study. We enrolled eligible cases declared to the National Reference Center for Listeria (all microbiologically proven) between Nov 3, 2009, and July 31, 2013, in the context of mandatory reporting. The outcomes were analysis of clinical features, characterisation of Listeria isolates, and determination of predictors of 3-month mortality or persisting impairment using logistic regression...
January 28, 2017: Lancet Infectious Diseases
https://www.readbyqxmd.com/read/28125528/mitochondrial-dna-damage-initiates-acute-lung-injury-and-multi-organ-system-failure-evoked-in-rats-by-intra-tracheal-pseudomonas-aeruginosa
#10
Yann-Leei Lee, Boniface Obiako, Olena M Gorodnya, Mykhaylo V Ruchko, Jamie L Kuck, Viktor M Pastukh, Glenn L Wilson, Jon D Simmons, Mark N Gillespie
Although studies in rat cultured pulmonary artery endothelial cells, perfused lungs, and intact mice support the concept that oxidative mitochondrial (mt) DNA damage triggers acute lung injury (ALI), it has not yet been determined whether enhanced mtDNA repair forestalls development of ALI and its progression to multiple organ system failure (MOSF). Accordingly, here we examined the effect of a fusion protein construct targeting the DNA glycosylase, Ogg1, to mitochondria in a rat model intra-tracheal P. aeruginosa (strain 103; PA103)-induced ALI and MOSF...
January 25, 2017: Shock
https://www.readbyqxmd.com/read/28125029/excavatolide-b-modulates-the-electrophysiological-characteristics-and-calcium-homeostasis-of-atrial-myocytes
#11
Hwong-Ru Hwang, Buh-Yuan Tai, Pao-Yun Cheng, Ping-Nan Chen, Ping-Jyun Sung, Zhi-Hong Wen, Chih-Hsueng Hsu
Severe bacterial infections caused by sepsis always result in profound physiological changes, including fever, hypotension, arrhythmia, necrosis of tissue, systemic multi-organ dysfunction, and finally death. The lipopolysaccharide (LPS) provokes an inflammatory response under sepsis, which may increase propensity to arrhythmogenesis. Excavatolide B (EXCB) possesses potent anti-inflammatory effects. However, it is not clear whether EXCB could modulate the electrophysiological characteristics and calcium homeostasis of atrial myocytes...
January 24, 2017: Marine Drugs
https://www.readbyqxmd.com/read/28115278/the-role-of-thromboelastography-teg-in-pediatric-patients-with-sinusoidal-obstructive-syndrome-receiving-defibrotide
#12
Joanna L Gendreau, Christine Knoll, Roberta H Adams, Leon L Su
Sinusoidal obstructive syndrome (SOS) is a potentially fatal form of hepatic injury following hematopoietic stem cell transplant (HSCT). Patients can develop liver dysfunction, portal hypertension, ascites, coagulopathies, and multi-system organ failure. The mortality rate of severe SOS has been reported as high as 98% by Day 100 post-transplant. Defibrotide, which is now approved for the treatment of SOS, has significantly decreased mortality. Defibrotide is a polynucleotide with pro-fibrinolytic, anti-ischemic, and anti-inflammatory activity...
January 20, 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/28115273/ablation-of-akt2-prevents-paraquat-induced-myocardial-mitochondrial-injury-and-contractile-dysfunction-role-of-nrf2
#13
Shuyi Wang, Xiaoling Zhu, Lize Xiong, Jun Ren
Paraquat is a quaternary nitrogen herbicide triggering oxidative stress, mitochondrial damage and multi-organ injuries including hearts. To date, effective measure to combat paraquat toxicity is still lacking. Recent evidence has revealed a role for Akt in cardiac homeostasis. To this end, this study was designed to examine the role of Akt2 in acute paraquat exposure-induced cardiac contractile and mitochondrial injury using a unique murine model of Akt2 knockout. Cardiac contractile and intracellular Ca(2+) properties were evaluated...
January 20, 2017: Toxicology Letters
https://www.readbyqxmd.com/read/28114127/management-of-chronic-kidney-disease-patients-in-the-intensive-care-unit-mixing-acute-and-chronic-illness
#14
Silvia De Rosa, Sara Samoni, Gianluca Villa, Claudio Ronco
Patients with chronic kidney disease (CKD) are at high risk for developing critical illness and for admission to intensive care units (ICU). 'Critically ill CKD patients' frequently develop an acute worsening of renal function (i.e. acute-on-chronic, AoC) that contributes to long-term kidney dysfunction, potentially leading to end-stage kidney disease (ESKD). An integrated multidisciplinary effort is thus necessary to adequately manage the multi-organ damage of those kidney patients and contemporaneously reduce the progression of kidney dysfunction when they are critically ill...
January 24, 2017: Blood Purification
https://www.readbyqxmd.com/read/28107340/association-of-diabetes-related-complications-with-heart-rate-variability-among-a-diabetic-population-in-the-uae
#15
Ahsan H Khandoker, Haitham M Al-Angari, Kinda Khalaf, Sungmun Lee, Wael Almahmeed, Habiba S Al Safar, Herbert F Jelinek
Microvascular, macrovascular and neurological complications are the key causes of morbidity and mortality among type II diabetes mellitus (T2DM) patients. The aim of this study was to investigate the alterations of cardiac autonomic function of diabetic patients in relation to three types of diabetes-related complications. ECG recordings were collected and analyzed from 169 T2DM patients in supine position who were diagnosed with nephropathy (n = 55), peripheral neuropathy (n = 64) and retinopathy (n = 106) at two hospitals in the UAE...
2017: PloS One
https://www.readbyqxmd.com/read/28103719/pegylated-nanoliposomal-clusterin-for-amyloidogenic-light-chain-induced-endothelial-dysfunction
#16
Diana Guzman-Villanueva, Raymond Q Migrino, Seth Truran, Nina Karamanova, Daniel A Franco, Camelia Burciu, Subhadip Senapati, Dobrin Nedelkov, Parameswaran Hari, Volkmar Weissig
Light chain (AL) amyloidosis is a disease associated with significant morbidity and mortality arising from multi-organ injury induced by amyloidogenic light chain proteins (LC). There is no available treatment to reverse the toxicity of LC. We previously showed that chaperone glycoprotein clusterin (CLU) and nanoliposomes (NL), separately, restore human microvascular endothelial function impaired by LC. In this work, we aim to prepare PEGylated-nanoliposomal clusterin (NL-CLU) formulations that could allow combined benefit against LC while potentially enabling efficient delivery to microvascular tissue, and test efficacy on human arteriole endothelial function...
January 20, 2017: Journal of Liposome Research
https://www.readbyqxmd.com/read/28093870/acute-management-of-autoimmune-toxicity-in-cancer-patients-on-immunotherapy-common-toxicities-and-the-approach-for-the-emergency-physician
#17
Anna J Lomax, Catriona McNeil
When a patient receiving anti-cancer treatment presents acutely unwell, an understanding of associated side effects of their therapy is critical. This review will discuss the approach to patients receiving anti-cancer treatment with immunotherapy presenting with autoimmune toxicities in the emergency setting. These toxicities are commonly referred to as immune-related adverse events (irAE). IrAE might consist of, but are not limited to, dermatologic, gastrointestinal (diarrhoea, colitis), hepatic, endocrine (thyroid dysfunction, hypophysitis, adrenal crisis), renal, ocular and pulmonary toxicity...
January 16, 2017: Emergency Medicine Australasia: EMA
https://www.readbyqxmd.com/read/28076917/multi-organ-dysfunction-due-to-bath-salts-are-we-aware-of-this-entity
#18
Rohith Valsalan, Benoj Varghese, Diya Soman, Jonathan Buckmaster, Steven Yew, David Cooper
Methylenedioxypyrovalerone (MDPV) is a synthetic, cathinone-derivative, central nervous system stimulant taken to produce a cocaine- or methamphetamine-like high. Physical manifestations include tachycardia, hypertension, arrhythmias, hyperthermia, sweating, rhabdomyolysis, hyperkalaemia, disseminated intravascular coagulation, oliguria and seizures. We report a patient who presented with severe metabolic acidosis, multi-organ dysfunction, rhabdomyolysis, hyperkalaemia and seizures. This case highlights that even though a urine drug screen for routine psychostimulant drugs is negative, clinicians need to be vigilant about the adverse effects of MDPV as a possible cause of multi-organ dysfunction...
January 2017: Internal Medicine Journal
https://www.readbyqxmd.com/read/28073784/platelets-and-neutrophil-extracellular-traps-collaborate-to-promote-intravascular-coagulation-during-sepsis-in-mice
#19
Braedon McDonald, Rachelle P Davis, Seok-Joo Kim, Mandy Tse, Charles T Esmon, Elzbieta Kolaczkowska, Craig N Jenne
Neutrophil extracellular traps (NETs; webs of DNA coated in anti-microbial proteins) are released into the vasculature during sepsis where they contribute to host defense, but also cause tissue damage and organ dysfunction. Various components of NETs have also been implicated as activators of coagulation. Using multi-color confocal intravital microscopy in mouse models of sepsis, we observed profound platelet aggregation, thrombin activation, and fibrin clot formation within (and downstream of) NETs in vivo...
January 10, 2017: Blood
https://www.readbyqxmd.com/read/28042054/design-and-rationale-of-heart-and-lung-failure-pediatric-insulin-titration-trial-half-pint-a-randomized-clinical-trial-of-tight-glycemic-control-in-hyperglycemic-critically-ill-children
#20
Michael Sd Agus, Ellie Hirshberg, Vijay Srinivasan, Edward Vincent Faustino, Peter M Luckett, Martha Aq Curley, Jamin Alexander, Lisa A Asaro, Kerry Coughlin-Wells, Donna Duva, Jaclyn French, Natalie Hasbani, Martha T Sisko, Carmen L Soto-Rivera, Garry Steil, David Wypij, Vinay M Nadkarni
OBJECTIVES: Test whether hyperglycemic critically ill children with cardiovascular and/or respiratory failure experience more ICU-free days when assigned to tight glycemic control with a normoglycemic versus hyperglycemic blood glucose target range. DESIGN: Multi-center randomized clinical trial. SETTING: Pediatric ICUs at 35 academic hospitals. PATIENTS: Children aged 2weeks to 17years receiving inotropic support and/or acute mechanical ventilation, excluding cardiac surgical patients...
February 2017: Contemporary Clinical Trials
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