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https://www.readbyqxmd.com/read/28821026/ultrahigh-antibacterial-efficacy-of-meropenem-loaded-chitosan-nanoparticles-in-a-septic-animal-model
#1
Ayat Abdelkader, Mohamed A El-Mokhtar, Ola Abdelkader, Mostafa A Hamad, Mahmoud Elsabahy, Omaima N El-Gazayerly
Antimicrobial resistance is one of the most significant health challenges worldwide. Meropenem is a broad spectrum beta-lactam antibiotic that possesses high activity against Gram-positive and Gram-negative bacteria. However, it has a short plasma half-life, and thus requiring frequent administration of high doses. For the first time, meropenem-loaded chitosan nanoparticles were prepared and evaluated as a potential tool to overcome antimicrobial resistance and to improve pharmacokinetics of the drug. Spherical nanosized particles were prepared and demonstrated ultrahigh encapsulation efficiency of meropenem (i...
October 15, 2017: Carbohydrate Polymers
https://www.readbyqxmd.com/read/28821002/modeling-the-fate-and-transport-of-17%C3%AE-estradiol-in-the-south-river-watershed-in-virginia
#2
Xiaomin Zhao, Wu-Seng Lung
Hormones excreted by livestock metabolisms often enter surface water through feces and urine and can potentially cause adverse impacts to aquatic biota. This study involved a modeling analysis of 17β-estradiol (E2), a prevalent estrogen, in the South River watershed located in Augusta County, Virginia from 2013 to 2015. Cattle manure, poultry litter, biosolids, septic systems, and wastewater treatment plants (WWTPs) were considered as sources of E2 in this study. The EPA's BASINS modeling framework was configured to track the fate and transport of E2...
August 13, 2017: Chemosphere
https://www.readbyqxmd.com/read/28820886/circulating-mirnas-in-sepsis-a-network-under-attack-an-in-silico-prediction-of-the-potential-existence-of-mirna-sponges-in-sepsis
#3
Catalin Vasilescu, Mihnea Dragomir, Mihai Tanase, Dana Giza, Raluca Purnichescu-Purtan, Meng Chen, Sai-Ching Jim Yeung, George A Calin
Biomarkers based on the molecular mechanism of sepsis are important for timely diagnosis and treatment. A large panel of small non-coding microRNAs was reported to modulate the immune response in sepsis but have not been tested in clinical practice. Large-scale identification of microRNA networks in sepsis might reveal a new biological mechanism that can be also targeted by gene therapy. Therefore, the main objective of this study is to perform a comparison of the miRNA network between septic patients and healthy controls...
2017: PloS One
https://www.readbyqxmd.com/read/28820752/antibiotic-combination-therapy-for-patients-with-gram-negative-septic-shock
#4
Andre C Kalil
No abstract text is available yet for this article.
August 17, 2017: Critical Care Medicine
https://www.readbyqxmd.com/read/28820557/papillary-muscle-rupture-in-an-adolescent-with-no-coronary-lesions
#5
Tatjana Lejko Zupanc, Mateja Logar
A 21-year-old man with Wolff-Parkinson-White syndrome presented to the authors' hospital with ventricular fibrillation. Coronary angiography failed to demonstrate coronary stenosis, but temporary mechanical circulatory support resolved the ventricular fibrillation and the patient was extubated eight days later. On the next day, however, he had to be re-intubated with symptoms of congestive heart failure. Echocardiography revealed new severe mitral regurgitation and a mobile mass, while emergency surgery revealed a posteromedial papillary muscle rupture (PMR)...
March 2017: Journal of Heart Valve Disease
https://www.readbyqxmd.com/read/28820494/immune-response-patterns-and-next-generation-sequencing-diagnostics-for-the-detection-of-mycoses-in-patients-with-septic-shock-results-of-a-combined-clinical-and-experimental-investigation
#6
Sebastian O Decker, Annette Sigl, Christian Grumaz, Philip Stevens, Yevhen Vainshtein, Stefan Zimmermann, Markus A Weigand, Stefan Hofer, Kai Sohn, Thorsten Brenner
Fungi are of increasing importance in sepsis. However, culture-based diagnostic procedures are associated with relevant weaknesses. Therefore, culture- and next-generation sequencing (NGS)-based fungal findings as well as corresponding plasma levels of β-d-glucan, interferon gamma (INF-γ), tumor necrosis factor alpha (TNF-α), interleukin (IL)-2, -4, -6, -10, -17A, and mid-regional proadrenomedullin (MR-proADM) were evaluated in 50 septic patients at six consecutive time points within 28 days after sepsis onset...
August 18, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28820232/recognizing-and-managing-adrenal-disorders-in-the-emergency-department
#7
Amy Cutright, Stephen Ducey, Claudia L. Barthold
Primary and secondary adrenal insufficiency are underrecognized conditions among emergency department patients, affecting an estimated 10% to 20% of critically ill patients. The signs and symptoms of cortisol deficit can be nonspecific and wide-ranging, and identification and swift treatment with stress-dosing of hydrocortisone is vital to avoid life-threatening adrenal crisis. Laboratory evaluation focuses on identification of electrolyte abnormalities typical of adrenal insufficiency, and while additional testing may depend on the type and severity of symptoms, it should not delay corticosteroid replacement...
September 2017: Emergency Medicine Practice
https://www.readbyqxmd.com/read/28820036/efficacy-and-safety-of-the-early-addition-of-vasopressin-to-norepinephrine-in-septic-shock
#8
Drayton A Hammond, Julia Cullen, Jacob T Painter, Kelsey McCain, Oktawia A Clem, Amy L Brotherton, Divyan Chopra, Nikhil Meena
BACKGROUND: Delays in achievement of target mean arterial pressure (MAP) have been associated with increased mortality in patients with septic shock. Vasopressin may be added to norepinephrine to raise MAP or decrease norepinephrine dosage. The purpose of this study was to determine whether early initiation of vasopressin to norepinephrine resulted in a reduced time to target MAP compared to norepinephrine monotherapy. METHODS: This retrospective cohort study compared early addition of vasopressin within 4 hours of septic shock onset to norepinephrine versus initial norepinephrine monotherapy in medically, critically ill patients with septic shock admitted from May 2014 to October 2015...
January 1, 2017: Journal of Intensive Care Medicine
https://www.readbyqxmd.com/read/28818889/genome-sequences-of-five-multidrug-resistant-escherichia-coli-sequence-type-117-isolates-recovered-from-dairy-calves
#9
Seon-Woo Kim, Jeffrey S Karns, Jo Ann S Van Kessel, Bradd J Haley
Escherichia coli sequence type 117 (ST117) strains have been recovered from poultry with colibacillosis, as well as from urinary tract infections and fatal septic infections in humans. To further investigate ST117 isolates recovered from nonpoultry food animals, we sequenced the genomes of five ST117 isolates from dairy calves in Pennsylvania.
August 17, 2017: Genome Announcements
https://www.readbyqxmd.com/read/28818780/prognostic-value-of-left-ventricular-arterial-coupling-in-elderly-patients-with-septic-shock
#10
Jing Yan, Xiaoyang Zhou, Bangchuan Hu, Shijin Gong, Yihua Yu, Guolong Cai, Li Li
PURPOSE: To investigate the predictive value of left ventricular-arterial coupling (VAC) for clinical prognosis of elderly patients with septic shock. MATERIALS AND METHODS: This was a single-center prospective cohort study of 63 elderly patients with septic shock treated between August 2014 and January 2016 at the 30-bed intensive care unit (ICU) of Zhejiang Hospital (China). Left VAC was evaluated by transthoracic echocardiography (TTE). End-systolic elastance (Ees) and left ventricular ejection fraction (LVEF) were measured; arterial elastance (Ea) was calculated...
August 10, 2017: Journal of Critical Care
https://www.readbyqxmd.com/read/28818514/effects-of-low-dose-irradiation-on-mice-with-escherichia-coli-induced-sepsis
#11
Kyung-Hee Song, Seung-Youn Jung, Seong-Ho Kho, Sang-Gu Hwang, Hunjoo Ha, Seon Young Nam, Jie-Young Song
Although favorable immune responses to low-dose irradiation (LDI) have been observed in normal mice, i.e., a hormesis effect, little is known about the effects of LDI in infectious diseases. In this study, we examined the effects of LDI on mice with sepsis, a severe and often lethal hyperinflammatory response to bacteria. Female C57BL/6 mice were whole-body irradiated with 10cGy 48h before Escherichia coli infection, and survival, bacterial clearance, cytokines, and antioxidants were quantified. LDI pretreatment significantly increased survival from 46...
August 14, 2017: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/28817693/clinical-signs-profound-acidemia-hypoglycemia-and-hypernatremia-are-predictive-of-mortality-in-1-400-critically-ill-neonatal-calves-with-diarrhea
#12
Florian M Trefz, Ingrid Lorenz, Annette Lorch, Peter D Constable
Profound acidemia impairs cellular and organ function and consequently should be associated with an increased risk of mortality in critically ill humans and animals. Neonatal diarrhea in calves can result in potentially serious metabolic derangements including profound acidemia due to strong ion (metabolic) acidosis, hyper-D-lactatemia, hyper-L-lactatemia, azotemia, hypoglycemia, hyperkalemia and hyponatremia. The aim of this retrospective study was to assess the prognostic relevance of clinical and laboratory findings in 1,400 critically ill neonatal calves with diarrhea admitted to a veterinary teaching hospital...
2017: PloS One
https://www.readbyqxmd.com/read/28817507/comparison-of-consent-models-in-a-randomized-trial-of-corticosteroids-in-pediatric-septic-shock
#13
Kusum Menon, Katharine O'Hearn, James Dayre McNally, Anand Acharya, Hector R Wong, Margaret Lawson, Tim Ramsay, Lauralyn McIntyre, Elaine Gilfoyle, Marisa Tucci, David Wensley, Ronald Gottesman, Gavin Morrison, Karen Choong
OBJECTIVES: To describe the use of deferred and prior informed consent models in the context of a low additional risk to standard of care, placebo-controlled randomized controlled trial of corticosteroids in pediatric septic shock. DESIGN: An observational substudy of consent processes in a randomized controlled trial of hydrocortisone versus placebo. SETTING: Seven tertiary level PICUs in Canada. PATIENTS: Children newborn to 17 years inclusive admitted to PICU with suspected septic shock between July 2014 and March 2016...
August 16, 2017: Pediatric Critical Care Medicine
https://www.readbyqxmd.com/read/28817482/american-college-of-critical-care-medicine-clinical-practice-parameters-for-hemodynamic-support-of-pediatric-and-neonatal-septic-shock-erratum
#14
(no author information available yet)
No abstract text is available yet for this article.
September 2017: Critical Care Medicine
https://www.readbyqxmd.com/read/28817116/total-tanshinones-exhibits-anti-inflammatory-effects-through-blocking-tlr4-dimerization-via-the-myd88-pathway
#15
Hongwei Gao, Xin Liu, Wen Sun, Naixin Kang, Yanli Liu, Shilin Yang, Qiong-Ming Xu, Chunming Wang, Xiuping Chen
Tanshinones belong to a group of lipophilic constituents of Salvia miltiorrhiza Bunge (Danshen), which is widely used in traditional Chinese medicine. A deluge of studies demonstrated that tanshinones exert anti-inflammatory effects, but the underlying mechanisms remain unclear to date. This study investigated the anti-inflammatory effects and mechanisms of total tanshinones (TTN). TTN suppressed the expression of cyclooxygenase-2 (COX-2) and inducible nitric oxide synthase (iNOS) and the secretion of TNF-α, IL-6, and IL-1β in RAW264...
August 17, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28816920/similar-metabolic-innate-immunity-and-adipokine-profiles-in-adult-and-pediatric-sepsis-versus-systemic-inflammatory-response-syndrome-a-pilot-study
#16
Theonymfi Tavladaki, Anna Maria Spanaki, Helen Dimitriou, Efmorfia Kondili, Christianna Choulaki, Dimitris Georgopoulos, George Briassoulis
OBJECTIVES: To examine whether the septic profiles of heat shock protein 72, heat shock protein 90α, resistin, adiponectin, oxygen consumption, CO2 production, energy expenditure, and metabolic pattern, along with illness severity, nutritional, and inflammatory indices, differ between adult and pediatric patients compared with systemic inflammatory response syndrome and healthy controls. To evaluate whether these biomolecules may discriminate sepsis from systemic inflammatory response syndrome in adult and pediatric patients...
August 12, 2017: Pediatric Critical Care Medicine
https://www.readbyqxmd.com/read/28816856/antimicrobials-and-progression-to-septic-shock-in-severe-sepsis-patients-is-delay-the-only-thing-that-matters
#17
Andrea Agarossi, Gabriele Pintaudi
No abstract text is available yet for this article.
September 2017: Critical Care Medicine
https://www.readbyqxmd.com/read/28816840/what-definition-should-we-use-for-sepsis-and-septic-shock
#18
Charles L Sprung, Uriel Trahtemberg
No abstract text is available yet for this article.
September 2017: Critical Care Medicine
https://www.readbyqxmd.com/read/28816298/-multiple-endoscopy-for-the-treatment-of-upper-urinary-tract-calculi-following-ileal-conduit-a-case-report-and-literature-review
#19
B Wang, J F Ye, L Zhao, H Bi, J Lu, L L Ma
Upper urinary tract calculi with infection is a quite difficult acute urologic emergency. And what is more, upper urinary tract obstruction after radical cystectomy following urinary diversion may be fatal in the vulnerable patients with this kind of situation. Postoperative anatomy and other factors affect the upper urinary tract calculi, and urinary tract infection greatly increased the risk. But it is particularly difficult to handle with patients with poor general condition and septic shock treatment, so how to optimize the selection program is worth further studying...
August 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/28816278/-analysis-of-development-safety-and-efficacy-of-percutaneous-nephrolithotomy-for-management-of-upper-urinary-tract-calculi-in-pediatric-patients
#20
L P Yu, T Xu
OBJECTIVE: To evaluate the development, safety and efficacy of percutaneous nephrolithotomy(PNL) for management of upper urinary tract calculi in pediatric patients. METHODS: In the study, 77 pediatric patients undergoing 87 PNLs through mini or standard tract for upper urinary tract calculi between January 2005 and December 2016 in Peking University People's hospital were reviewed, including 69 renal calculi, 6 upper ureteral calculi, 12 renal and upper ureteral calculi, 35 single calculi, 43 multiple calculi and 9 staghorn calculi...
August 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
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