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https://www.readbyqxmd.com/read/28421169/high-prevalence-of-virulence-genes-in-specific-genotypes-of-atypical-enteropathogenic-escherichia-coli
#1
Yanmei Xu, Xiangning Bai, Yujuan Jin, Bin Hu, Hong Wang, Hui Sun, Ruyue Fan, Shanshan Fu, Yanwen Xiong
Atypical enteropathogenic Escherichia coli (aEPEC) strains are emerging enteropathogens that have been detected worldwide. A collection of 228 aEPEC strains (121 from diarrheal patients, 27 from healthy carriers, 47 from animals and 33 from raw meats) were investigated for serotypes, virulence gene profiles and phylogenetic relationships. Sixty-six O serogroups were identified. Serogroup O51 was the most prevalent, followed by O119, O26 and O76. For the 20 virulence genes detected, statistically significant differences were observed in the overall prevalence of efa1 (lifA), nleB, nleE, set/ent, paa, and ehxA genes among strains from diarrheal patients, healthy carriers, animals and raw meats, respectively...
2017: Frontiers in Cellular and Infection Microbiology
https://www.readbyqxmd.com/read/28417284/a-phase-i-dose-escalation-study-of-the-safety-and-pharmacokinetics-of-a-tablet-formulation-of-voxtalisib-a-phosphoinositide-3-kinase-inhibitor-in-patients-with-solid-tumors
#2
Janice M Mehnert, Gerald Edelman, Mark Stein, Heather Camisa, Joanne Lager, Jean-François Dedieu, Anne-Frédérique Ghuysen, Jyoti Sharma, Li Liu, Patricia M LoRusso
Background Voxtalisib, a PI3K/mTOR inhibitor, has shown antitumor activity in capsule formulation in patients with solid tumors. This Phase I study assessed safety and pharmacokinetics of voxtalisib administered as immediate-release tablets in patients with solid tumors (NCT01596270). Methods A "3 + 3" dose escalation design was used. Adverse events (AEs), pharmacokinetics (PK), food effect and tumor response were evaluated. Results Thirty-two patients received voxtalisib doses ranging from 50 mg to 70 mg once daily (QD) and 17 patients received voxtalisib doses ranging from 30 mg to 50 mg twice daily (BID), for two 28-day cycles...
April 17, 2017: Investigational New Drugs
https://www.readbyqxmd.com/read/28414634/detection-of-the-canine-parvovirus-2c-subtype-in-australian-dogs
#3
Lucy Woolford, Paul Crocker, Hannah Bobrowski, Trevor Baker, Farhid Hemmatzadeh
Canine parvovirus (CPV-2) is an important cause of hemorrhagic enteritis in dogs. In Australia the disease has been associated with CPV-2a and CPV-2b variants. A third more recently emerged variant overseas, CPV-2c, has not been detected in surveys of the Australian dog population. In this study, we report three cases of canine parvoviral enteritis associated with CPV-2c infection; case 1 occurred in an 8-week-old puppy that died following acute hemorrhagic enteritis. Cases 2 and 3 were an 11-month-old female entire Saint Bernard and a 9-month-old male entire Siberian husky, respectively, both which had completed vaccination schedules and presented with vomiting or mild diarrhea only...
April 17, 2017: Viral Immunology
https://www.readbyqxmd.com/read/28412951/understanding-discharge-communication-behaviours-in-a-pediatric-emergency-care-context-a-mixed-methods-observation-study-protocol
#4
Janet A Curran, Andrea Bishop, Amy Plint, Shannon MacPhee, Roger Zemek, Jill Chorney, Mona Jabbour, Stephen Porter, Scott Sawyer
BACKGROUND: One of the most important transitions in the continuum of care for children is discharge to home. Optimal discharge communication between healthcare providers and caregivers (e.g., parents or other guardians) who present to the emergency department (ED) with their children is not well understood. The lack of policies and considerable variation in practice regarding discharge communication in pediatric EDs pose a quality and safety risk for children and their parents. METHODS: The aim of this mixed methods study is to better understand the process and structure of discharge communication in a pediatric ED context to contribute to the design and development of discharge communication interventions...
April 17, 2017: BMC Health Services Research
https://www.readbyqxmd.com/read/28407482/salmonella-typhimurium-diarrhea-reveals-basic-principles-of-enteropathogen-infection-and-disease-promoted-dna-exchange
#5
REVIEW
Sandra Y Wotzka, Bidong D Nguyen, Wolf-Dietrich Hardt
Despite decades of research, efficient therapies for most enteropathogenic bacteria are still lacking. In this review, we focus on Salmonella enterica Typhimurium (S. Typhimurium), a frequent cause of acute, self-limiting food-borne diarrhea and a model that has revealed key principles of enteropathogen infection. We review the steps of gut infection and the mucosal innate-immune defenses limiting pathogen burdens, and we discuss how inflammation boosts gut luminal S. Typhimurium growth. We also discuss how S...
April 12, 2017: Cell Host & Microbe
https://www.readbyqxmd.com/read/28402712/investigation-of-a-staphylococcal-food-poisoning-outbreak-from-a-chantilly-cream-dessert-in-umbria-italy
#6
Laura Ercoli, Silvia Gallina, Yacine Nia, Frédéric Auvray, Sara Primavilla, Fabrizia Guidi, Benedetta Pierucci, Catia Graziotti, Lucia Decastelli, Stefania Scuota
On August 28, 2015, a staphylococcal food poisoning outbreak occurred in Umbria, Italy, affecting 24 of the 42 customers who had dinner at a local restaurant. About 3 h after ingesting a variety of foods, the customers manifested gastrointestinal symptoms. Within 24 h of notification from the hospital emergency department, Sanitary Inspectors of the local Public Health Unit performed an epidemiological investigation. A retrospective cohort study was conducted among the customers. Food and environmental samples were collected...
April 12, 2017: Foodborne Pathogens and Disease
https://www.readbyqxmd.com/read/28400764/antimicrobial-resistance-of-salmonella-enterica-serovar-typhimurium-in-shanghai-china
#7
Jinyan Wang, Yongrui Li, Xuebin Xu, Beibei Liang, Fuli Wu, Xiaoxia Yang, Qiuxia Ma, Chaojie Yang, Xiaofeng Hu, Hongbo Liu, Hao Li, Chunyu Sheng, Jing Xie, Xinying Du, Rongzhang Hao, Shaofu Qiu, Hongbin Song
We aimed to analyze the antimicrobial resistance phenotypes and to elucidate the molecular mechanisms underlying resistance to cephalosporins, ciprofloxacin, and azithromycin in Salmonella enterica serovar Typhimurium isolates identified from patients with diarrhea in Shanghai. The isolates showed high rates of resistance to traditional antimicrobials, and 20.6, 12.7, and 5.5% of them exhibited decreased susceptibility to cephalosporins, ciprofloxacin, and azithromycin, respectively. Notably, 473 (84.6%) isolates exhibited multidrug resistance (MDR), including 161 (28...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28386253/current-and-potential-treatments-for-reducing-campylobacter-colonization-in-animal-hosts-and-disease-in-humans
#8
REVIEW
Tylor J Johnson, Janette M Shank, Jeremiah G Johnson
Campylobacter jejuni is the leading cause of bacteria-derived gastroenteritis worldwide. In the developed world, Campylobacter is usually acquired by consuming under-cooked poultry, while in the developing world it is often obtained through drinking contaminated water. Once consumed, the bacteria adhere to the intestinal epithelium or mucus layer, causing toxin-mediated inhibition of fluid reabsorption from the intestine and invasion-induced inflammation and diarrhea. Traditionally, severe or prolonged cases of campylobacteriosis have been treated with antibiotics; however, overuse of these antibiotics has led to the emergence of antibiotic-resistant strains...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28385299/kick-the-bucket-one-hospital-system-s-journey-to-reduce-clostridium-difficile
#9
Molly Bridget Delaney
PROBLEM: Albert Einstein defines insanity as doing the same thing over again but expecting different results. Although the United States claims to reduce antibiotic abuse, practice strict isolation, and clean meticulously, the burden of Clostridium difficile outpaces goals. Unless innovative approaches are tried, we risk culling elderly, immunosuppressed, and otherwise debilitated populations. Emergency departments are a primary access point for patients who are unable to wait for primary care...
April 3, 2017: Journal of Emergency Nursing: JEN: Official Publication of the Emergency Department Nurses Association
https://www.readbyqxmd.com/read/28382208/etravirine-combined-with-antiretrovirals-other-than-darunavir-ritonavir-for-hiv-1-infected-treatment-experienced-adults-week-48-results-of-a-phase-iv-trial
#10
Eduardo Arathoon, Asad Bhorat, Rodica Silaghi, Herta Crauwels, Ludo Lavreys, Lotke Tambuyzer, Ben Van Baelen, Simon Vanveggel, Magda Opsomer
OBJECTIVE: VIOLIN (TMC125IFD3002; NCT01422330) evaluated the safety, tolerability, and pharmacokinetics of etravirine with antiretrovirals other than darunavir/ritonavir in HIV-1-infected patients. METHODS: In a 48-week, phase IV, single-arm, multicenter study, patients on prior antiretroviral therapy (⩾8 weeks) who needed to change regimen for virologic failure (viral load ⩾ 500 copies/mL) or simplification/adverse events (viral load < 50 copies/mL) received etravirine 200 mg bid with ⩾1 other active antiretroviral, excluding darunavir/ritonavir or only nucleoside/tide reverse transcriptase inhibitors...
2017: SAGE Open Medicine
https://www.readbyqxmd.com/read/28381727/long-term-outcomes-of-pancreatic-function-following-pancreatic-trauma
#11
Toshio Morita, Osamu Takasu, Teruo Sakamoto, Shinjirou Mori, Atsuo Nakamura, Masakazu Nabeta, Nobuhisa Hirayu, Mariko Moroki, Norio Yamashita
The objective of this study is to retrospectively assess long-term outcomes and late complications of pancreatic trauma. We studied 14 patients with pancreatic trauma who were treated at the Advanced Emergency Medical Service Center, Kurume University Hospital, between 1981 and 2012 and discharged alive. Relevant data were extracted from patient records and a retrospective patient questionnaire and blood test were completed to evaluate pancreatic function. The median patient age at the time of the survey was 49 years; the median post-injury period was 23 years and 5 months...
April 3, 2017: Kurume Medical Journal
https://www.readbyqxmd.com/read/28381581/cell-attachment-domains-of-the-pedv-spike-protein-are-key-targets-of-neutralizing-antibodies
#12
Chunhua Li, Wentao Li, Eduardo Lucio de Esesarte, Hongbo Guo, Paul van den Elzen, Eduard Aarts, Erwin van den Born, Peter J M Rottier, Berend-Jan Bosch
Porcine epidemic diarrhea virus (PEDV) causes enteric disease in pigs resulting in significant economic loss to the swine industry worldwide. Current vaccination approaches against this emerging coronavirus are only partially effective, though natural infection protects pigs against re-infection and provides lactogenic immunity to suckling piglets. The viral spike (S) glycoprotein, responsible for receptor binding and cell entry, is the major target for neutralizing antibodies. However, knowledge on antibody epitopes, their nature and location in the spike structure and the mechanisms by which the antibodies interfere with infection is scarce...
April 5, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28381569/group-a-rotaviruses-in-chinese-bats-genetic-composition-serology-and-evidence-for-bat-to-human-transmission-and-reassortment
#13
Biao He, Xiaohong Huang, Fuqiang Zhang, Weilong Tan, Jelle Matthijnssens, Shaomin Qin, Lin Xu, Zihan Zhao, Ling'en Yang, Quanxi Wang, Tingsong Hu, Xiaolei Bao, Jianmin Wu, Changchun Tu
Bats are natural reservoirs for many pathogenic viruses and increasing evidence supports that bats can also harbor group A rotaviruses (RVA), important causative agents of diarrhea in children and young animals. Currently, 8 RVA strains have been identified from African and Chinese bats, possessing completely novel genotype constellations or genotypes possibly originating from other mammals. However, all these data were mainly based on detection of RVA RNA, only present during acute infections, which does not permit assessment of the true exposure of a bat population to RVA...
April 5, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28376703/symptomatic-delayed-aortic-dissection-after-superior-mesenteric-artery-stenting-for-chronic-mesenteric-ischemia
#14
Cindy Huynh, Robert Schwartz
Chronic mesenteric ischemia most commonly occurs secondary to atherosclerotic disease of the mesenteric arteries. Patients are often older than 60 years and can present with postprandial abdominal pain, nausea, diarrhea, and significant weight loss. Symptomatic disease has traditionally been managed with open surgical repair, but endovascular strategies, such as percutaneous angioplasty and stenting, have emerged as the mainstays of therapy. Complications from stenting include plaque embolization, thrombosis, perforation, or dissection of the mesenteric arteries...
January 1, 2017: Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/28375418/unexpected-serious-cardiac-arrhythmias-in-the-setting-of-loperamide-abuse
#15
Somwail Rasla, Amy St Amand, Marina K Garas, Amr El Meligy, Taro Minami
Loperamide (Imodium) is a non-prescription opioid receptor agonist available over-the-counter for the treatment of diarrhea. When ingested in excessive doses, loperamide can penetrate the blood-brain barrier and is reported to produce euphoria, central nervous system and respiratory depression, and cardiotoxicity. There is an emerging trend in its use among drug abusers for its euphoric effects or for self-treatment of opioid withdrawal. We report a case of ventricular dysrhythmias associated with loperamide abuse in a 28-year-old man who substituted loperamide for the opioids that he used to abuse...
April 3, 2017: Rhode Island Medical Journal
https://www.readbyqxmd.com/read/28374120/calves-are-susceptible-to-infection-with-the-newly-emerged-porcine-deltacoronavirus-but-not-with-the-swine-enteric-alphacoronavirus-porcine-epidemic-diarrhea-virus
#16
Kwonil Jung, Hui Hu, Linda J Saif
Fecal virus shedding, seroconversion and histopathology were evaluated in 3-7-year-old gnotobiotic calves orally inoculated with porcine deltacoronavirus (PDCoV) (9.0-9.6 log10 genomic equivalents [GE] of OH-FD22-P5; n=4) or porcine epidemic diarrhea virus (PEDV) (10.2-12.5 log10 GE of PC21A; n=3). In PDCoV-inoculated calves, an acute but persisting fecal viral RNA shedding and PDCoV-specific serum IgG antibody responses were observed, but without lesions or clinical disease. However, no fecal shedding, seroconversion, histological lesions, and clinical disease were detected in PEDV-inoculated calves...
April 3, 2017: Archives of Virology
https://www.readbyqxmd.com/read/28363778/aminopeptidase-n-is-not-required-for-porcine-epidemic-diarrhea-virus-cell-entry
#17
Wentao Li, Rui Luo, Qigai He, Frank J M van Kuppeveld, Peter J M Rottier, Berend-Jan Bosch
Porcine epidemic diarrhea virus (PEDV) is an emerging pathogenic coronavirus that causes a significant economic burden to the swine industry. The virus infects the intestinal epithelium and causes villous atrophy, resulting in diarrhea and dehydration. Interaction of the viral spike (S) surface glycoprotein - through its S1 subunit - with the host cell receptor is the first step in infection and the main determinant for virus tropism. As for several other alphacoronaviruses including the porcine transmissible gastroenteritis virus (TGEV) and the human coronavirus 229E (HCoV-229E), the aminopeptidase N (APN) protein was reported to be a functional receptor for PEDV...
March 28, 2017: Virus Research
https://www.readbyqxmd.com/read/28363627/evaluation-of-a-nurse-initiated-acute-gastroenteritis-pathway-in-the-pediatric-emergency-department
#18
Rebecca A Carson, Shawna S Mudd, P Jamil Madati
Acute gastroenteritis (AGE) is a common illness treated in the emergency department. Delays in initiating rehydration for children with mild or moderate dehydration from AGE can lead to prolonged ED visits and increased resource utilization that do not provide prognostic value or support family-centered care. The purpose of this quality improvement project was to promote early oral rehydration therapy (ORT) for persons with AGE in an attempt to reduce unnecessary resource utilization and length of stay (LOS)...
March 28, 2017: Journal of Emergency Nursing: JEN: Official Publication of the Emergency Department Nurses Association
https://www.readbyqxmd.com/read/28355266/molecular-epidemiology-and-antimicrobial-susceptibility-of-clostridium-difficile-isolates-from-two-korean-hospitals
#19
Asiimwe Nicholas, Yu Kyung Kim, Won-Kil Lee, Gati Noble Selasi, Seok Hyeon Na, Hyo Il Kwon, Yoo Jeong Kim, Hae Sook Lee, Kyung Eun Song, Jeong Hwan Shin, Je Chul Lee
Clostridium difficile is one of the main etiological agents causing antibiotic-associated diarrhea. This study investigated the genetic diversity of 70 toxigenic C. difficile isolates from two Korean hospitals by employing toxinotyping, ribotyping, multilocus sequence typing (MLST), and pulsed-field gel electrophoresis (PFGE). Toxin gene amplification resulted in 68 A⁺B⁺ and two A-B+ isolates. Most isolates (95.7-100%) were susceptible to daptomycin, metronidazole, and vancomycin. Seventy C. difficile isolates were classified into five toxinotypes, 19 ribotypes, 16 sequence types (STs), and 33 arbitrary pulsotypes...
2017: PloS One
https://www.readbyqxmd.com/read/28350720/pulmonary-embolism-mimicking-infectious-pleuritis
#20
Kenichi Tetsuhara, Satoshi Tsuji, Satoko Uematsu, Koichi Kamei
The diagnosis of pulmonary thromboembolism (PE) is often delayed because it is usually misdiagnosed as pneumonia or deep vein thrombosis. We report an unusual case of PE misdiagnosed as viral pleuritis on the first arrival at the emergency department (ED) in our hospital. A 14-year-old girl with no previous significant medical history was referred to the ED with pleuritic and chest pain with low-grade fever 4 days before admission.Echography showed a small amount of left pleural effusion. A 12-lead electrocardiogram was normal...
March 27, 2017: Pediatric Emergency Care
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