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https://www.readbyqxmd.com/read/28213164/carvedilol-use-is-associated-with-improved-survival-in-patients-with-liver-cirrhosis-and-ascites
#1
Rohit Sinha, Khalida A Lockman, Nethmee Mallawaarachchi, Marcus Robertson, John N Plevris, Peter C Hayes
BACKGROUND AND AIMS: Carvedilol, a non-selective beta-blocker (NSBB) with additional anti-alpha 1 receptor activity, is a potent portal hypotensive agent. It has been used as prophylaxis against variceal bleed. However, its safety in decompensated liver cirrhosis with ascites is still disputed. In this study, we examined whether long-term use of carvedilol in the presence of ascites is a risk factor for mortality. METHODS: This was a single-centre retrospective analysis of 325 consecutive patients with liver cirrhosis and ascites presenting to our Liver Unit between 1(st) of January 2009 to 31(st) August 2012...
February 14, 2017: Journal of Hepatology
https://www.readbyqxmd.com/read/28203235/chenopodium-ambrosioides-l-improves-phagocytic-activity-and-decreases-bacterial-growth-and-the-systemic-inflammatory-response-in-sepsis-induced-by-cecal-ligation-and-puncture
#2
Carlos E P Rios, Afonso G Abreu, Jose A F Braga Filho, Johnny R Nascimento, Rosane N M Guerra, Flávia M M Amaral, Márcia C G Maciel, Flávia R F Nascimento
Chenopodium ambrosioides L. (Amaranthaceae) is often used in different kinds of vegetal preparations for medicinal purposes in many clinical situations. Some studies have demonstrated its anti-inflammatory and immunomodulatory properties. The aim of this work was to investigate the effect of prophylactic treatment with the hydroalcoholic crude extract (HCE) of C. ambrosioides and its hexanic fraction (HEX) on the control of bacterial growth, the activation of phagocytes and the control of the systemic inflammatory response in a sepsis experimental model...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28199901/cd44-deficiency-enhanced-streptococcus-equi-ssp-zooepidemicus-dissemination-and-inflammation-response-in-a-mouse-model
#3
Qiang Fu, Pingping Xiao, Yaosheng Chen, Zigong Wei, Xiaohong Liu
Streptococcus equi ssp. zooepidemicus (S. zooepidemicus) is responsible for peritonitis, septicemia, meningitis, arthritis and several other serious diseases in various species. Recent studies have demonstrated that CD44 is implicated in the process of host defense against pathogenic microorganisms. In the present study, the role of CD44 in the host response to S. zooepidemicus infection was investigated in a mouse model. Upon intraperitoneal infection with S. zooepidemicus, the expression of CD44 on the peritoneal exudate cells from wild-type (WT) mice was increased...
February 9, 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/28198920/exogenous-enzyme-complex-prevents-intestinal-soybean-meal-induced-enteritis-in-mugil-liza-valenciennes-1836-juvenile
#4
Leonardo R V Ramos, Virgínia F Pedrosa, Agnes Mori, Carlos F F DE Andrade, Luis A Romano, Paulo C Abreu, Marcelo B Tesser
Four soybean meal-based diets containing increasing levels of an enzyme complex (E50, E100, E150 and E200 at 50, 100, 150 and 200 g ton-1, respectively) and one soybean meal-based diet without the enzyme complex (E0) were fed in triplicate to M. liza juveniles in a semi-static flow system with 20 fish per tank for 75 days. There were no differences between the treatments for animal performance parameters, but fish fed the enzyme complex treatment exhibited significantly (P<0.05) higher values of calcium bone retention compared with control fish...
February 9, 2017: Anais da Academia Brasileira de Ciências
https://www.readbyqxmd.com/read/28193826/the-nlrp3-inflammasome-has-a-critical-role-in-peritoneal-dialysis-related-peritonitis
#5
Nicolas Hautem, Johann Morelle, Amadou Sow, Cyril Corbet, Olivier Feron, Eric Goffin, François Huaux, Olivier Devuyst
Bacterial peritonitis remains the main cause of technique failure in peritoneal dialysis (PD). During peritonitis, the peritoneal membrane undergoes structural and functional alterations that are mediated by IL-1β The NLRP3 inflammasome is a caspase-1-activating multiprotein complex that links sensing of microbial and stress products to activation of proinflammatory cytokines, including IL-1β The potential roles of the NLRP3 inflammasome and IL-1β in the peritoneal membrane during acute peritonitis have not been investigated...
February 13, 2017: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/28191300/a-case-report-of-neisseria-mucosa-peritonitis-in-a-chronic-ambulatory-peritoneal-dialysis-patient
#6
Alan Awdisho, Maria Bermudez
Peritonitis is a leading complication of chronic ambulatory peritoneal dialysis. However, very rarely does Neisseria mucosa cause peritonitis. We describe an unusual case of N. mucosa peritonitis in a chronic ambulatory peritoneal dialysis patient. A 28-year-old Hispanic male presents with diffuse abdominal pain exacerbated during draining of the peritoneal fluid. Peritoneal fluid examination was remarkable for leukocytosis and gramnegative diplococci. Bacterial cultures were positive for N. mucosa growth. The patient was treated with ciprofloxacin with preservation of the dialysis catheter...
December 31, 2016: Infectious Disease Reports
https://www.readbyqxmd.com/read/28190471/plant-lectins-conbr-and-cfl-modulate-expression-toll-like-receptors-pro-inflammatory-cytokines-and-reduce-the-bacterial-burden-in-macrophages-infected-with-salmonella-enterica-serovar-typhimurium
#7
Jec Batista, M T Ralph, R V Vaz, Pfc Souza, A B Silva, Dco Nascimento, L T Souza, M V Ramos, P Mastroeni, J V Lima-Filho
BACKGROUND: Plant lectins have long been used in biomedical research as immunomodulators against tumor cells and microbial infections. PURPOSE: To test the ability of plant lectins ConBr (Canavalia brasiliensis) and CFL (Cratylia argentea) to activate antimicrobial and immunomodulatory activities of murine peritoneal macrophages (pMØ) infected with a virulent strain of Salmonella enterica serovar Typhimurium (STm). METHODS: We incubated pMØ with non-toxic amounts of ConBr and CFL either before (preventive schedule) or after (curative schedule) exposure to STm...
February 15, 2017: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
https://www.readbyqxmd.com/read/28189043/type-i-interferon-signalling-is-not-required-for-the-induction-of-endotoxin-tolerance
#8
Yalda Karimi, Sophie M Poznanski, Fatemeh Vahedi, Branson Chen, Marianne V Chew, Amanda J Lee, Ali A Ashkar
Endotoxin, or LPS tolerance, is an immunomodulatory mechanism that results in a significantly diminished response to secondary LPS exposure, which may serve to protect the host against endotoxic shock. Type I interferons (IFNs) are cytokines released upon LPS binding to TLR4 and have been shown to have immunomodulatory properties. Due to this regulatory function of type I IFN, we aimed to investigate the role of type I IFN signalling in LPS tolerance. Our data suggests that type I IFN does not play a role in LPS tolerance in vitro, as both wild type and IFNAR1(-/-) peritoneal macrophages showed reduced cytokine production after secondary LPS exposure...
February 8, 2017: Cytokine
https://www.readbyqxmd.com/read/28181039/irf3-inhibits-neutrophil-recruitment-in-mice-infected-with-pseudomonas-aeruginosa
#9
Zhenghao Piao, Haiying Yuan, Cuili Wang, Liyun Shi
Pseudomonas aeruginosa is the major cause of morbidity and mortality in patients with ventilator-associated pneumonia. Interferon regulatory factor 3 (IRF3) is a transcription factor that plays an important role in the immune response to viral infection via the IRF3/IFN-β signaling pathway. Controversial data exist regarding the role of IRF3 in immune cell recruitment during bacterial infections. IRF3 has been shown to promote neutrophil recruitment and bacterial clearance in mice infected with P. aeruginosa by inducing the production of specific chemokines and cytokines...
February 8, 2017: Inflammation
https://www.readbyqxmd.com/read/28165033/micheliolide-provides-protection-of-mice-against-staphylococcus-aureus-and-mrsa-infection-by-down-regulating-inflammatory-response
#10
Xinru Jiang, Yuli Wang, Yifei Qin, Weigang He, Adel Benlahrech, Qingwen Zhang, Xin Jiang, Zhenhui Lu, Guang Ji, Yuejuan Zheng
A major obstacle to therapy in intensive care units is sepsis caused by severe infection. In recent years gram-positive (G(+)) bacteria, most commonly staphylococci, are thought to be the main pathogens. Micheliolide (MCL) was demonstrated to provide a therapeutic role in rheumatoid arthritis, inflammatory intestinal disease, colitis-associated cancer, and lipopolysaccharide (LPS, the main component of G(-) bacterial cell wall) induced septic shock. We proved here that MCL played an anti-inflammatory role in Staphylococcus aureus (S...
February 6, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28161422/il-17a-and-complement-contribute-to-killing-of-pneumococci-following-immunization-with-a-pneumococcal-whole-cell-vaccine
#11
Ivana B Campos, Muriel Herd, Kristin L Moffitt, Ying-Jie Lu, Michelle Darrieux, Richard Malley, Luciana C C Leite, Viviane M Gonçalves
The pneumococcal whole cell vaccine (PWCV) has been investigated as an alternative to polysaccharide-based vaccines currently in use. It is a non-encapsulated killed vaccine preparation that induces non-capsular antibodies protecting mice against invasive pneumococcal disease (IPD) and reducing nasopharyngeal (NP) carriage via IL-17A activation of mouse phagocytes. Here, we show that PWCV induces antibody and IL-17A production to protect mice against challenge in a fatal aspiration-sepsis model after only one dose...
February 1, 2017: Vaccine
https://www.readbyqxmd.com/read/28153968/acute-peritonitis-caused-by-staphylococcus-capitis-in-a-peritoneal-dialysis-patient
#12
Nikolina Basic-Jukic
Acute peritonitis remains the most common complication of peritoneal dialysis (PD), with coagulase-negative staphylococci (CoNS) reported to account for more than 25% of peritonitis episodes (1). Staphylococcus capitis is a gram-positive, catalase-positive CoNS that was originally identified as a commensal on the skin of the human scalp (2). Advancement of microbiological technologies for bacterial identification enables diagnosis of previously unknown causes of acute peritonitis. This is the first reported case of acute peritonitis in a PD patient caused by S...
January 2017: Peritoneal Dialysis International: Journal of the International Society for Peritoneal Dialysis
https://www.readbyqxmd.com/read/28153966/effect-of-uv-light-on-disinfection-of-peritoneal-dialysis-catheter-connections
#13
John Ashley, Julia A Rasooly, Ian Tran, Lawrence E Yost, Glenn M Chertow
We evaluated the microbiological performance of an ultraviolet (UV) light-based peritoneal dialysis catheter connection system. The system includes a UV light-generating device combined with a UV transmissive window incorporated into the transfer set. Each UV transparent transfer set was inoculated with 10 μL of cultured inoculum consisting of either S. aureus, E. coli, or C. albicans After being inoculated, we attached a solution set connector to the transfer catheter, and exposed that connection to a UV light dose of approximately 340 mJoules/cm(2) After exposure to UV light, we broke the seal of the solution set and opened the plunger valve on the UV transmissive transfer catheter...
January 2017: Peritoneal Dialysis International: Journal of the International Society for Peritoneal Dialysis
https://www.readbyqxmd.com/read/28147426/-spontaneous-bacterial-peritonitis
#14
Ľubomír Skladaný, Silvia Kasová, Anna Purgelová, Natália Bystrianska, Svetlana Adamcová-Selčanová
AIM OF STUDY: Spontaneous bacterial peritonitis (SBP) is the most frequent infectious complication of liver cirrhosis with serious consequences. Initially, SBP is always treated with empirical, not targeted, antibiotic therapy. Since a retrospective study performed in our department showed suboptimal effectiveness (only 40 %) of empirical antibiotic therapy in accordance with the EASL guidelines, a decision was made to change the protocol. The aims of this prospective study were to determine: (1) the incidence and characteristics of SBP in real clinical practice - in a liver unit of a tertiary hospital, (2) the effectiveness of new antibiotic therapy selected based on analysis of the spectrum of pathogens and their resistance to antibiotics as identified in a retrospective cohort study on SBP carried out in our department, (3) mortality, and to compare these findings with the literature data...
December 2016: Klinická Mikrobiologie a Infekc̆ní Lékar̆ství
https://www.readbyqxmd.com/read/28128682/percutaneous-cholecystocentesis-in-cats-with-suspected-hepatobiliary-disease
#15
Victoria L Byfield, Julie E Callahan Clark, Bradley J Turek, Charles W Bradley, Mark P Rondeau
Objectives The objective was to evaluate the safety and diagnostic utility of percutaneous ultrasound-guided cholecystocentesis (PUC) in cats with suspected hepatobiliary disease. Methods Medical records of 83 cats with suspected hepatobiliary disease that underwent PUC were retrospectively reviewed. Results At the time of PUC, at least one additional procedure was performed in 79/83 cats, including hepatic aspiration and/or biopsy (n = 75) and splenic aspiration (n = 18). Complications were noted in 14/83 cases, including increased abdominal fluid (n = 11), needle-tip occlusion (n = 1), failed first attempt to penetrate the gall bladder wall (n = 1) and pneumoperitoneum (n = 1)...
January 1, 2017: Journal of Feline Medicine and Surgery
https://www.readbyqxmd.com/read/28121848/beneficial-role-of-terlipressin-in-decompensated-cirrhotics-with-spontaneous-bacterial-peritonitis
#16
Alberto Ferrarese, Valerie Tikhonoff, Edoardo Casiglia, Patrizia Burra, Marco Senzolo
No abstract text is available yet for this article.
March 2017: European Journal of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28118177/home-based-drainage-of-refractory-ascites-by-a-permanent-tunneled-peritoneal-catheter-can-safely-replace-large-volume-paracentesis
#17
Philipp Solbach, Christoph Höner Zu Siederdissen, Richard Taubert, Szilvia Ziegert, Kerstin Port, Andrea Schneider, Katja Hueper, Michael P Manns, Heiner Wedemeyer, Elmar Jaeckel
BACKGROUND AND AIM: Refractory ascites has a poor prognosis. Recurrent large-volume paracentesis is the current standard of care; however, it results in circulatory dysfunction and renal dysfunction, and hospitalization is commonly required. Transjugular intrahepatic portosystemic shunt placement is not an option in a substantial number of patients because of contraindications. The placement of a tunneled peritoneal drainage catheter has been shown to be effective in patients with malignant ascites...
January 21, 2017: European Journal of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28114867/cecal-infarction-in-neonatal-calves
#18
John M Adaska, Robert B Moeller, Patricia C Blanchard, Sharif S Aly
Cecal infarction is an uncommon lesion in calves that results in localized peritonitis and, on occasion, perforation with secondary diffuse peritonitis and death. This lesion in calves has not been described previously. We reviewed the postmortem cases of cecal infarction in dairy calves ≤30 d of age that had been submitted over the course of 5 y to the Tulare branch of the California Animal Health and Food Safety Laboratory System. The area of cecal infarction and the associated lesion margins were examined histologically...
January 1, 2017: Journal of Veterinary Diagnostic Investigation
https://www.readbyqxmd.com/read/28112221/mincle-activation-enhances-neutrophil-migration-and-resistance-to-polymicrobial-septic-peritonitis
#19
Wook-Bin Lee, Ji-Jing Yan, Ji-Seon Kang, Quanri Zhang, Won Young Choi, Lark Kyun Kim, Young-Joon Kim
Sepsis is a systemic inflammatory response to bacterial infection. The therapeutic options for treating sepsis are limited. Impaired neutrophil recruitment into the infection site is directly associated with severe sepsis, but the precise mechanism is unclear. Here, we show that Mincle plays a key role in neutrophil migration and resistance during polymicrobial sepsis. Mincle-deficient mice exhibited lower survival rates in experimental sepsis from cecal ligation and puncture and Escherichia coli-induced peritonitis...
January 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28108420/neutrophil-derived-microparticles-increase-mortality-and-the-counter-inflammatory-response-in-a-murine-model-of-sepsis
#20
Bobby L Johnson, Emily F Midura, Priya S Prakash, Teresa C Rice, Natalia Kunz, Kathrin Kalies, Charles C Caldwell
Although advances in medical care have significantly improved sepsis survival, sepsis remains the leading cause of death in the ICU. This is likely due to a lack of complete understanding of the pathophysiologic mechanisms that lead to dysfunctional immunity. Neutrophil derived microparticles (NDMPs) have been shown to be the predominant microparticle present at infectious and inflamed foci in human models, however their effect on the immune response to inflammation and infection is sepsis has not been fully elucidated...
January 17, 2017: Biochimica et Biophysica Acta
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