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https://www.readbyqxmd.com/read/29209776/hyperoxia-induced-cardiotoxicity-and-ventricular-remodeling-in-type-ii-diabetes-mice
#1
Jennifer Leigh Rodgers, Eva Samal, Subhra Mohapatra, Siva Kumar Panguluri
Hyperoxia, or supplemental oxygen, is regularly used in the clinical setting for critically ill patients in ICU. However, several recent studies have demonstrated the negative impact of this treatment in patients in critical care, including increased rates of lung and cardiac injury, as well as increased mortality. The purpose of this study was to determine the predisposition for arrhythmias and electrical remodeling in a type 2 diabetic mouse model (db/db), as a result of hyperoxia treatment. For this, db/db and their heterozygous controls were treated with hyperoxia (> 90% oxygen) or normoxia (normal air) for 72-h...
December 5, 2017: Heart and Vessels
https://www.readbyqxmd.com/read/29194916/the-impact-of-obesity-in-cirrhotic-patients-with-septic-shock-a-retrospective-cohort-study
#2
Beverley Kok, Constantine J Karvellas, Juan G Abraldes, Rajiv Jalan, Vinay Sundaram, David Gurka, Sean Keenan, Aseem Kumar, Greg Martinka, Brian Bookatz, Gordon Wood, Anand Kumar
BACKGROUND & AIMS: The prevalence of obesity in cirrhosis is rising. The impact of obesity in the critically-ill cirrhotic patient with sepsis/septic shock has not been evaluated. This study aimed to examine the relationship between obesity and mortality in cirrhotic patients admitted to the intensive care unit with septic shock. METHODS: A retrospective cohort study of all cirrhotic patients with septic shock (n=362) and a recorded body mass index (BMI) from an international, multicenter (CATTS) database (1996-2015) was performed...
December 1, 2017: Liver International: Official Journal of the International Association for the Study of the Liver
https://www.readbyqxmd.com/read/29190735/subgroup-analysis-of-continuous-renal-replacement-therapy-in-severely-burned-patients
#3
Jaechul Yoon, Youngmin Kim, Dohern Kym, Jun Hur, Haejun Yim, Yong-Suk Cho, Wook Chun
Continuous renal replacement therapy (CRRT) is administered to critically ill patients with renal injuries as renal replacement or renal support. We aimed to identify predictors of mortality among burn patients receiving CRRT, and to investigate clinical differences according to acute kidney injury (AKI) status. This retrospective observational study evaluated 216 Korean burn patients who received CRRT at a burn intensive care unit. Patients were categorized by AKI status. Data were collected regarding arterial pH, laboratory results, ratio of arterial oxygen partial pressure to fractional inspired oxygen (PF ratio), and urine production...
2017: PloS One
https://www.readbyqxmd.com/read/29180833/growth-differentiation-factor-15-is-a-predictor-of-mortality-in-critically-ill-patients-with-sepsis
#4
Lukas Buendgens, Eray Yagmur, Jan Bruensing, Ulf Herbers, Christer Baeck, Christian Trautwein, Alexander Koch, Frank Tacke
Growth differentiation factor-15 (GDF-15) is a member of the transforming growth factor-β superfamily related to inflammation and macrophage activation. Serum concentrations of GDF-15 can predict poor survival in chronic diseases, but its role in sepsis is obscure. Therefore, we investigated GDF-15 as a prognostic biomarker in critically ill patients. We measured GDF-15 levels in 219 critically ill patients (146 with sepsis, 73 without sepsis) upon admission to the intensive care unit (ICU), in comparison to 66 healthy controls...
2017: Disease Markers
https://www.readbyqxmd.com/read/29165898/thrombocytopenia-associated-multi-organ-failure-secondary-to-hyperglycemic-hyperosmolar-non-ketotic-syndrome-a-case-report
#5
Naile Tufan-Pekkucuksen, Maria Carolina Gazzaneo, Natasha Susana Afonso, Sarah J Swartz, Joseph R Angelo, Poyyapakkam Srivaths
Thrombocytopenia associated multi-organ failure (TAMOF) is a clinical syndrome with features of new onset thrombocytopenia, increased lactate dehydrogenase, and multi-organ failure in critically ill patients. TAMOF can be the initial presentation of an underlying disease process or can develop during the course of illness either during the hospital stay. TAMOF has a high mortality rate if not treated; therefore, early detection is critical. TAMOF has been rarely reported in diabetic ketoacidosis. We are describing the first case of a patient diagnosed with hyperglycemic, hyperosmolar non-ketotic syndrome who developed TAMOF on the third day of his hospital course...
November 22, 2017: Pediatric Diabetes
https://www.readbyqxmd.com/read/29163332/clinical-use-of-cerebral-microdialysis-in-patients-with-aneurysmal-subarachnoid-hemorrhage-state-of-the-art
#6
REVIEW
Raimund Helbok, Mario Kofler, Alois Josef Schiefecker, Maxime Gaasch, Verena Rass, Bettina Pfausler, Ronny Beer, Erich Schmutzhard
Objective: To review the published literature on the clinical application of cerebral microdialysis (CMD) in aneurysmal subarachnoid hemorrhage (SAH) patients and to summarize the evidence relating cerebral metabolism to pathophysiology, secondary brain injury, and outcome. Methods: Study selection: Two reviewers identified all manuscripts reporting on the clinical use of CMD in aneurysmal SAH patients from MEDLINE. All identified studies were grouped according to their focus on brain metabolic changes during the early and subacute phase after SAH, their association with mechanisms of secondary brain injury and outcome...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/29129343/prognostic-value-of-hyperlactatemia-and-lactate-clearance-after-mitral-valve-surgery
#7
Adam S Evans, Matthew A Levin, Hung-Mo Lin, Ken Lee, Menachem M Weiner, Anelechi Anyanwu, David H Adams, Alexander J C Mittnacht
OBJECTIVES: Blood lactate is frequently used to guide management in critically ill patients. In patients undergoing mitral valve surgery, an elevated lactate level is frequently observed; however, overall mortality is low. The authors hypothesized that hyperlactemia is not a useful predictor of poor outcomes in this patient population. The main aim of this study was to explore how blood lactate level and lactate clearance are associated with 30-day mortality and major adverse events in patients undergoing mitral valve surgery...
August 2, 2017: Journal of Cardiothoracic and Vascular Anesthesia
https://www.readbyqxmd.com/read/29128300/enteral-versus-parenteral-early-nutrition-in-ventilated-adults-with-shock-a-randomised-controlled-multicentre-open-label-parallel-group-study-nutrirea-2
#8
Jean Reignier, Julie Boisramé-Helms, Laurent Brisard, Jean-Baptiste Lascarrou, Ali Ait Hssain, Nadia Anguel, Laurent Argaud, Karim Asehnoune, Pierre Asfar, Frédéric Bellec, Vlad Botoc, Anne Bretagnol, Hoang-Nam Bui, Emmanuel Canet, Daniel Da Silva, Michael Darmon, Vincent Das, Jérôme Devaquet, Michel Djibre, Frédérique Ganster, Maité Garrouste-Orgeas, Stéphane Gaudry, Olivier Gontier, Claude Guérin, Bertrand Guidet, Christophe Guitton, Jean-Etienne Herbrecht, Jean-Claude Lacherade, Philippe Letocart, Frédéric Martino, Virginie Maxime, Emmanuelle Mercier, Jean-Paul Mira, Saad Nseir, Gael Piton, Jean-Pierre Quenot, Jack Richecoeur, Jean-Philippe Rigaud, René Robert, Nathalie Rolin, Carole Schwebel, Michel Sirodot, François Tinturier, Didier Thévenin, Bruno Giraudeau, Amélie Le Gouge
BACKGROUND: Whether the route of early feeding affects outcomes of patients with severe critical illnesses is controversial. We hypothesised that outcomes were better with early first-line enteral nutrition than with early first-line parenteral nutrition. METHODS: In this randomised, controlled, multicentre, open-label, parallel-group study (NUTRIREA-2 trial) done at 44 French intensive-care units (ICUs), adults (18 years or older) receiving invasive mechanical ventilation and vasopressor support for shock were randomly assigned (1:1) to either parenteral nutrition or enteral nutrition, both targeting normocaloric goals (20-25 kcal/kg per day), within 24 h after intubation...
November 8, 2017: Lancet
https://www.readbyqxmd.com/read/29115861/postnatal-overnutrition-affects-metabolic-and-vascular-function-reflected-by-physiological-and-histological-changes-in-the-aorta-of-adult-wistar-rats
#9
Gerardo Sánchez-García, Laura Del Bosque-Plata, Enrique Hong
Rigorous nutritional care during early life leads to healthy adulthood. Cardiovascular and metabolic disorders, the most prevalent clinical challenges worldwide, are epidemiologically linked to poor nutritional habits throughout life. We aimed to understand whether postnatal overnutrition (PO) initiated during lactation affects metabolic markers and vascular function later in life. To test this hypothetical effect, we studied a PO Wistar rat model based on adjusting litter size at the third day of age to three pups and eight for the control group (C)...
November 8, 2017: Clinical and Experimental Hypertension: CHE
https://www.readbyqxmd.com/read/29107581/developmental-estrogen-exposures-and-disruptions-to-maternal-behavior-and-brain-effects-of-ethinyl-estradiol-a-common-positive-control
#10
Mary C Catanese, Laura N Vandenberg
Due of its structural similarity to the endogenous estrogen 17β-estradiol (E2), the synthetic estrogen 17α-ethinyl estradiol (EE2) is widely used to study the effects of estrogenic substances on sensitive organs at multiple stages of development. Here, we investigated the effects of EE2 on maternal behavior and the maternal brain in females exposed during gestation and the perinatal period. We assessed several components of maternal behavior including nesting behavior and pup retrieval; characterized the expression of estrogen receptor (ER)α in the medial preoptic area (MPOA), a brain region critical for the display of maternal behavior; and measured expression of tyrosine hydroxylase, a marker for dopaminergic cells, in the ventral tegmental area (VTA), a brain region important in maternal motivation...
November 7, 2017: Hormones and Behavior
https://www.readbyqxmd.com/read/29103714/ethyl-cellulose-rumen-protected-methionine-alleviates-inflammation-and-oxidative-stress-and-improves-neutrophil-function-during-the-periparturient-period-and-early-lactation-in-holstein-dairy-cows
#11
F Batistel, J M Arroyo, C I M Garces, E Trevisi, C Parys, M A Ballou, F C Cardoso, J J Loor
The periparturient period is the most critical phase in the productive cycle of dairy cows and is characterized by impairment of the immune system. Our objective was to evaluate the effect of feeding ethyl-cellulose rumen-protected methionine (RPM) starting at d -28 from expected parturition through 60 d in milk on biomarkers of inflammation, oxidative stress, and liver function as well as leukocyte function. Sixty multiparous Holstein cows were used in a block design and assigned to either a control or the control plus ethyl-cellulose RPM (Mepron, Evonik Nutrition & Care GmbH)...
November 2, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/29080515/quantitative-relationships-among-plasma-lactate-inorganic-phosphorus-albumin-unmeasured-anions-and-the-anion-gap-in-lactic-acidosis
#12
James Figge, Rinaldo Bellomo, Moritoki Egi
BACKGROUND: Quantitative relationships among plasma [Lactate], [Pi], [Albumin], unmeasured anions ([UA]) and the anion gap (AGK) in lactic acidosis (LA) are not well defined. METHODS: A mathematical model featuring compensatory potassium and chloride shifts and respiratory changes in LA demonstrated: (1) AGK=[Lactate]+Zp×[Pi]+2.4×[Albumin]+constant1+e, where Zp is a function of pH, and e reflects unmeasured anions and cations plus pH-related variations. Eq. (1) can be algebraically rearranged to incorporate the albumin-corrected anion gap, cAGK: (2) cAGK=[Lactate]+Zp×[Pi]+constant2+e...
October 13, 2017: Journal of Critical Care
https://www.readbyqxmd.com/read/29080023/bidirectional-effects-of-mother-young-contact-on-the-maternal-and-neonatal-brains
#13
Gabriela González-Mariscal, Angel I Melo
Adaptive plasticity occurs intensely during the early postnatal period through processes like proliferation, migration, differentiation, synaptogenesis, myelination and apoptosis. Exposure to particular stimuli during this critical period has long-lasting effects on cognition, stress reactivity and behavior. Maternal care is the main source of social, sensory and chemical stimulation to the young and is, therefore, critical to "fine-tune" the offspring's neural development. Mothers providing a low quantity or quality of stimulation produce offspring that will exhibit reduced cognitive performance, impaired social affiliation and increased agonistic behaviors...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29045063/evaluating-manufacturing-process-profile-comparability-with-multivariate-equivalence-testing-case-study-of-cell-culture-small-scale-model-transfer
#14
Yang Cao, Daniel Obeng, Guodong Hui, Luting Xue, Yukun Ren, Xianjie Yu, Fei Wang, Chad Atwell
This paper studies the Generalized Mahalanobis Distance (GMD) approach proposed by Hoffelder(1) which measures the dissimilarity of two multivariate Gaussian distributions with arbitrary covariance matrices and unequal sample sizes. This investigation demonstrated that, with appropriate adjustment, the GMD approach can achieve the targeted nominal Type I error and provide sufficient power for testing equivalence between two profile populations. The adjusted GMD approach was applied to examine the equivalence of harvest profiles between a 12L small scale model and 2000L manufacturing scale in a transfer study performed at Sanofi Speciality Care Framingham Biologics...
October 16, 2017: Biotechnology Progress
https://www.readbyqxmd.com/read/29034303/validation-of-capillary-blood-analysis-and-capillary-testing-mode-on-the-epoc-point-of-care-system
#15
Jing Cao, Rachel Edwards, Janette Chairez, Sridevi Devaraj
BACKGROUND: Laboratory test in transport is a critical component of patient care, and capillary blood is a preferred sample type particularly in children. This study evaluated the performance of capillary blood testing on the epoc Point of Care Blood Analysis System (Alere Inc). METHODS: Ten fresh venous blood samples was tested on the epoc system under the capillary mode. Correlation with GEM 4000 (Instrumentation Laboratory) was examined for Na+, K+, Cl-, Ca2+, glucose, lactate, hematocrit, hemoglobin, pO2, pCO2, and pH, and correlation with serum tested on Vitros 5600 (Ortho Clinical Diagnostics) was examined for creatinine...
December 2017: Practical Laboratory Medicine
https://www.readbyqxmd.com/read/29032164/a-portable-microfluidic-aptamer-tethered-enzyme-capture-aptec-biosensor-for-malaria-diagnosis
#16
Lewis A Fraser, Andrew B Kinghorn, Roderick M Dirkzwager, Shaolin Liang, Yee-Wai Cheung, Bryce Lim, Simon Chi-Chin Shiu, Marco S L Tang, Dean Andrew, Joseph Manitta, Jack S Richards, Julian A Tanner
There is a critical need for better biosensors for the detection and diagnosis of malaria. We previously developed a DNA aptamer that recognises the Plasmodium falciparum lactate dehydrogenase (PfLDH) enzyme with high sensitivity and specificity. The aptamer was integrated into an Aptamer-Tethered Enzyme Capture (APTEC) assay as a laboratory-based diagnostic approach. However, a portable equipment-free point-of-care aptamer-mediated biosensor could have a significant impact on malaria diagnosis in endemic regions...
October 4, 2017: Biosensors & Bioelectronics
https://www.readbyqxmd.com/read/29025961/phosphate-replacement-in-the-critically-ill-potential-implications-for-military-patients
#17
A E Coulden, L J Rickard, N Crooks, N Arora
BACKGROUND: Severe hypophosphataemia in the intensive care unit (ICU) setting has been widely associated with adverse clinical outcomes across multiple organ systems, as well as increased mortality. However, the clinical significance of mild or moderate hypophosphataemia remains uncertain. This can lead to heterogeneous phosphate replacement protocols across different institutions. The aim of this study was to assess the significance of mild and moderate hypophosphataemia on clinical outcomes across several organ systems...
October 12, 2017: Journal of the Royal Army Medical Corps
https://www.readbyqxmd.com/read/28988172/haemodynamic-response-to-crystalloids-or-colloids-in-shock-an-exploratory-subgroup-analysis-of-a-randomised-controlled-trial
#18
Nicholas Heming, Souheil Elatrous, Samir Jaber, Anne Sylvie Dumenil, Joël Cousson, Xavier Forceville, Antoine Kimmoun, Jean Louis Trouillet, Jérôme Fichet, Nadia Anguel, Michael Darmon, Claude Martin, Sylvie Chevret, Djillali Annane
OBJECTIVE: To compare the haemodynamic effect of crystalloids and colloids during acute severe hypovolaemic shock. DESIGN: Exploratory subgroup analysis of a multicentre randomised controlled trial (Colloids Versus Crystalloids for the Resuscitation of the Critically Ill, CRISTAL, ClinicalTrials.gov NCT00318942). SETTING: CRISTAL was conducted in intensive care units in Europe, North Africa and Canada. PARTICIPANTS: Current analysis included all patients who had a pulmonary artery catheter in place at randomisation...
October 6, 2017: BMJ Open
https://www.readbyqxmd.com/read/28970659/prognostic-value-of-venous-to-arterial-carbon-dioxide-difference-during-early-resuscitation-in-critically-ill-patients-with-septic-shock
#19
Tamer Abdallah Helmy, Ehab Mahmoud El-Reweny, Farahat Gomaa Ghazy
CONTEXT: The partial pressure of venous to arterial carbon dioxide gradient (PCO2 gap) is considered as an alternative marker of tissue hypoperfusion and has been used to guide treatment for shock. AIMS: The aim of this study was to investigate the prognostic value of venous-to-arterial carbon dioxide difference during early resuscitation of patients with septic shock and compared it with that of lactate clearance and Acute Physiology and Chronic Health Evaluation II (APACHE-II) score...
September 2017: Indian Journal of Critical Care Medicine
https://www.readbyqxmd.com/read/28966921/echocardiographic-evaluation-of-hemodynamics-in-neonates-and-children
#20
REVIEW
Yogen Singh
Hemodynamic instability and inadequate cardiac performance are common in critically ill children. The clinical assessment of hemodynamic status is reliant upon physical examination supported by the clinical signs such as heart rate, blood pressure, capillary refill time, and measurement of the urine output and serum lactate. Unfortunately, all of these parameters are surrogate markers of cardiovascular well-being and they provide limited direct information regarding the adequacy of blood flow and tissue perfusion...
2017: Frontiers in Pediatrics
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