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https://www.readbyqxmd.com/read/29457961/examination-of-16s-23s-rrna-intergenic-spacer-region-isr-heterogeneity-in-a-population-of-clinical-streptococcus-pneumoniae-a-new-laboratory-epidemiological-genotyping-tool-to-aid-outbreak-analysis
#1
J E Moore, J Hirayama, K Hayashi, C Mason, W Coulter, M Matsuda, C E Goldsmith
No abstract text is available yet for this article.
February 19, 2018: British Journal of Biomedical Science
https://www.readbyqxmd.com/read/29457734/role-of-nutrient-limitation-in-the-competition-between-uropathogenic-strains-of-klebsiella-pneumoniae-and-escherichia-coli-in-mixed-biofilms
#2
Guillermo E Juarez, Estela M Galván
Klebsiella pneumoniae and Escherichia coli form mixed species biofilms in catheter-associated urinary tract infections. Recently, a detrimental effect of K. pneumoniae over E. coli was observed in mixed species biofilms grown in an artificial urine medium. The mechanism behind this competitive interaction was studied. K. pneumoniae partially outcompeted E. coli in early-stage batch-fed biofilms, whereas both microorganisms co-exist at longer times (K. pneumoniae:E. coli ratio, 55:1), as shown by cell counts and confocal microscopy...
February 19, 2018: Biofouling
https://www.readbyqxmd.com/read/29457249/gut-bacteria-of-cockroaches-are-a-potential-source-of-antibacterial-compound-s
#3
Noor Akbar, Ruqaiyyah Siddiqui, Mazhar Iqbal, K Sagathevan, Naveed Ahmed Khan
Here, we hypothesized that the microbial gut flora of animals/pests living in polluted environments, produce substances to thwart bacterial infections. The overall aim of this study was to source microbes inhabiting unusual environmental niches for potential antimicrobial activity. Two cockroach species, Gromphadorhina portentosa (Madagascar) and Blaptica dubia (Dubia) were selected. The gut bacteria from these species were isolated and grown in RPMI 1640 and conditioned media were prepared. Conditioned media were tested against a panel of Gram-positive (Methicillin resistant Staphylococcus aureus, Streptococcus pyogenes, Bacillus cereus) and Gram-negative (Escherichia coli K1, Salmonella enterica, Serratia marcescens, Pseudomonas aeruginosa, Klebsiella pneumoniae) bacteria, as well as the protist pathogen, Acanthamoeba castellanii...
February 19, 2018: Letters in Applied Microbiology
https://www.readbyqxmd.com/read/29457122/a-case-of-spinal-anesthesia-in-a-patient-with-progressive-supranuclear-palsy
#4
Momoka Tonan, Moritoki Egi, Nana Furushima, Satoshi Mizobuchi
Progressive supranuclear palsy (PSP) is one of the rare diseases. PSP is characterized by oculomotor dysfunction, postural instability, akinesia, dysarthria, and dysphagia. The major cause of death in patients with PSP is aspiration pneumonia. Considering these complications, spinal anesthesia is useful in patients with PSP. However, the potential harmful effects of spinal anesthesia including neurotoxicity of local anesthetics and neurologic complications for patients with PSP are unclear, because there has been no report...
2018: JA Clin Rep
https://www.readbyqxmd.com/read/29457119/effects-of-glucose-insulin-infusion-during-major-oral-and-maxillofacial-surgery-on-postoperative-complications-and-outcomes
#5
Akina Tohya, Atsushi Kohjitani, Sachi Ohno, Kaoru Yamashita, Yozo Manabe, Mitsutaka Sugimura
Background: Secretion of hormones, which antagonize the action of insulin, is facilitated in response to surgery, and acute resistance to the action of insulin develops. Our aim is to elucidate the effects of intraoperative glycemic control by glucose-insulin (GI) infusion on postoperative complications and outcomes in major oral and maxillofacial surgery. Findings: Thirty patients aged ≥ 60 years undergoing a radical operation of oral malignant tumors with tissue reconstruction (≥ 8 h) were analyzed...
2018: JA Clin Rep
https://www.readbyqxmd.com/read/29456981/prevalence-of-ctx-m-and-tem-%C3%AE-lactamases-in-klebsiella-pneumoniae-isolates-from-patients-with-urinary-tract-infection-al-zahra-hospital-isfahan-iran
#6
Nafiseh Maleki, Zahra Tahanasab, Sina Mobasherizadeh, Aliakbar Rezaei, Jamshid Faghri
Background: Extended-spectrum β-lactamase (ESBL)-producing is a significant resistant mechanism to β-lactams in Enterobacteriaceae , especially in Klebsiella pneumoniae . The main objectives of this study were to genetically characterize urinary clinical isolates of K. pneumoniae through the investigating of blaTEM , blaCTX-M and using molecular typing by Enterobacterial repetitive intergenic consensus polymerase chain reaction (ERIC-PCR) method. We also determined the frequency of antibiotic resistance of K...
2018: Advanced Biomedical Research
https://www.readbyqxmd.com/read/29456942/bacterial-biofilms-in-chronic-rhinosinusitis-and-their-implications-for-clinical-management
#7
Abhilasha Karunasagar, Santosh S Garag, Suma B Appannavar, Raghavendra D Kulkarni, Ashok S Naik
To study the microbiological profile in patients with chronic rhino-sinusitis. To correlate disease severity with the presence of biofilms and host risk factors. To assess outcome of Sinus Surgery 2 weeks post operatively in terms of presence of bacteria and their ability to form biofilm. Prospective study. 50 cases of chronic rhino-sinusitis requiring Functional Endoscopic Sinus Surgery admitted in SDM Hospital, Dharwad, Karnataka were studied using intra-operative mucosal samples for microbiological analysis...
March 2018: Indian Journal of Otolaryngology and Head and Neck Surgery
https://www.readbyqxmd.com/read/29456938/deep-neck-space-infections-a-study-in-diabetic-population-in-a-tertiary-care-centre
#8
Kalpana Sharma, Devjani Das, Manish Joshi, Dipjyoti Barman, A J Sarma
This study is intended to analyze the clinical profile and outcomes of deep neck space infection in diabetic patients in our tertiary care centre. A prospective study of 1 year duration from 30th September 2015 to 30th September 2016 at department of Otorhinolaryngology, Gauhati Medical College and Hospital, Guwahati. A total of 45 diabetic patients who presented with DNSI are included in this study. Their demographic profile, etiology, bacteriology, treatment, duration of hospital stay, complications and outcomes have been analyzed...
March 2018: Indian Journal of Otolaryngology and Head and Neck Surgery
https://www.readbyqxmd.com/read/29456863/lung-parenchymal-involvement-of-primary-bone-marrow-follicular-lymphoma-a-rare-case-study
#9
Hiroyuki Minemura, Hiroshi Hojo, Miwako Saito, Takefumi Nikaido, Tomoko Suzuki, Katsunao Niitsuma
A 76-year-old man presented with shortness of breath. Computed tomography revealed ground-glass opacity and interlobular thickening in the right lower lobe. Blood examination showed elevated levels of white blood cell count and lymphocytes. Bone marrow aspiration revealed low-grade follicular lymphoma. Histopathological examination of the surgical lung biopsy from the right lower lobe demonstrated usual interstitial pneumonia and scattered aggregation of lymphocytes with poorly formed non-necrotizing granuloma...
April 2018: Respirology Case Reports
https://www.readbyqxmd.com/read/29456727/risk-factors-and-coping-strategies-of-severe-community-acquired-pneumonia-in-chemotherapy-induction-period-of-acute-leukemia
#10
Ning Li, Qingcheng Duan, Weidan Zhang
The risk factors and coping strategies of severe community-acquired pneumonia (SCAP) in chemotherapy induction period of acute leukemia were investigated. Eighty-six patients with CAP in chemotherapy induction period of acute leukemia in Dezhou Hospital from March 2014 to February 2017 were selected and divided into observation group (SCAP group, n=45) and control group (non-SCAP group, n=41) according to the acute physiology and chronic health evolution II (APACHE II) score. The blood, sputum, nasopharyngeal secretion and pleural effusion samples were collected from patients in both groups, and the samples were detected for pathogens, followed by the analysis of relevant factors...
March 2018: Oncology Letters
https://www.readbyqxmd.com/read/29456200/diagnostic-validity-of-methods-for-assessment-of-swallowing-sounds-a-systematic-review
#11
Karinna Veríssimo Meira Taveira, Rosane Sampaio Santos, Bianca Lopes Cavalcante de Leão, José Stechman Neto, Leandro Pernambuco, Letícia Korb da Silva, Graziela De Luca Canto, André Luís Porporatti
INTRODUCTION: Oropharyngeal dysphagia is a highly prevalent comorbidity in neurological patients and presents a serious health threat, which may lead to outcomes of aspiration pneumonia, ranging from hospitalization to death. This assessment proposes a non-invasive, acoustic-based method to differentiate between individuals with and without signals of penetration and aspiration. OBJECTIVE: This systematic review evaluated the diagnostic validity of different methods for assessment of swallowing sounds, when compared to Videofluroscopic of Swallowing Study (VFSS) to detect oropharyngeal dysphagia...
February 3, 2018: Brazilian Journal of Otorhinolaryngology
https://www.readbyqxmd.com/read/29456197/clinical-usefulness-and-accuracy-of-polymerase-chain-reaction-in-the-detection-of-bacterial-meningitis-agents-in-pediatric-cerebrospinal-fluid
#12
M Nour, A Alaidarous
Bacterial meningitis poses enormous healthcare challenges due to a high mortality, morbidity and sequelae. Neisseria (N.) meningitidis, Haemophilus (H.) influenzae, Streptococcus (S.) pneumoniae and S. agalactiae remain among the most prevalent infectious agents that cause bacterial meningitis in children. The objective of this study was the simultaneous detection of these pathogens in suspected cerebrospinal fluid (CSF) by using multiplex polymerase chain reaction (mPCR) and compare PCR results with standard diagnostics currently used in clinical practice...
February 15, 2018: Current Research in Translational Medicine
https://www.readbyqxmd.com/read/29456071/evaluation-of-sensititre-broth-microdilution-plate-for-determining-the-susceptibility-of-carbapenem-resistant-klebsiella-pneumoniae-to-polymyxins
#13
Sandra S Richter, James Karichu, Joshua Otiso, Hillary Van Heule, George Keller, Eric Cober, Laura J Rojas, Andrea M Hujer, Kristine M Hujer, Steve Marshall, Frederico Perez, Susan D Rudin, T Nicholas Domitrovic, Keith S Kaye, Robert Salata, David van Duin, Robert A Bonomo
Colistin and polymyxin B MICs were determined for 106 carbapenem-resistant Klebsiella pneumoniae (CR-Kp) isolates using Sensititre Research Use Only GNX2F plates (Thermo Fisher) and compared to CLSI broth macrodilution (BMD) as the reference method. For colistin, EUCAST breakpoints were applied and testing of isolates with very major (VM) errors was repeated in duplicate by both methods to determine a majority result. Essential agreement (MIC ± one dilution) of GNX2F with the reference method was 97.1% for polymyxin B and 92...
January 9, 2018: Diagnostic Microbiology and Infectious Disease
https://www.readbyqxmd.com/read/29456043/colistin-alone-versus-colistin-plus-meropenem-for-treatment-of-severe-infections-caused-by-carbapenem-resistant-gram-negative-bacteria-an-open-label-randomised-controlled-trial
#14
Mical Paul, George L Daikos, Emanuele Durante-Mangoni, Dafna Yahav, Yehuda Carmeli, Yael Dishon Benattar, Anna Skiada, Roberto Andini, Noa Eliakim-Raz, Amir Nutman, Oren Zusman, Anastasia Antoniadou, Pia Clara Pafundi, Amos Adler, Yaakov Dickstein, Ioannis Pavleas, Rosa Zampino, Vered Daitch, Roni Bitterman, Hiba Zayyad, Fidi Koppel, Inbar Levi, Tanya Babich, Lena E Friberg, Johan W Mouton, Ursula Theuretzbacher, Leonard Leibovici
BACKGROUND: Colistin-carbapenem combinations are synergistic in vitro against carbapenem-resistant Gram-negative bacteria. We aimed to test whether combination therapy improves clinical outcomes for adults with infections caused by carbapenem-resistant or carbapenemase-producing Gram-negative bacteria. METHODS: A randomised controlled superiority trial was done in six hospitals in Israel, Greece, and Italy. We included adults with bacteraemia, ventilator-associated pneumonia, hospital-acquired pneumonia, or urosepsis caused by carbapenem-non-susceptible Gram-negative bacteria...
February 15, 2018: Lancet Infectious Diseases
https://www.readbyqxmd.com/read/29455375/severe-mycoplasma-pneumonia-in-child-with-bilateral-parapneumonic-effusion-successfully-treated-with-integrated-chinese-and-western-medicine-a-case-report
#15
Wen-Ying Zeng, Yan Li, Zhi-Lan Xu, Xiao-Lei Xie, Feng-Qin Xu, Na Rui
No abstract text is available yet for this article.
February 17, 2018: Chinese Journal of Integrative Medicine
https://www.readbyqxmd.com/read/29455206/a-potential-mechanism-for-immune-suppression-by-beta-adrenergic-receptor-stimulation-following-traumatic-injury
#16
Nicholas J Shubin, Tam N Pham, Kristan Lea Staudenmayer, Brodie A Parent, Qian Qiu, Grant E O'Keefe
BACKGROUND: β-Adrenergic agents suppress inflammation and may play an important role in posttraumatic infections. Mechanisms may include inhibition of MAP kinase signaling. We sought to determine whether MKP-1 contributed to catecholamine suppression of innate immunity and also wanted to know whether early catecholamine treatment after traumatic injury increases the risk of later nosocomial infection. METHODS: We performed experiments using THP-1 cells and peripheral blood mononuclear cells from healthy individuals...
February 16, 2018: Journal of Innate Immunity
https://www.readbyqxmd.com/read/29455182/pulmonary-inflammatory-myofibroblastic-tumour-misdiagnosed-as-a-round-pneumonia
#17
Samira Naime, Anjum Bandarkar, Gustavo Nino, Geovanny Perez
No abstract text is available yet for this article.
February 17, 2018: BMJ Case Reports
https://www.readbyqxmd.com/read/29455061/relationship-between-nurse-staffing-level-and-adult-nursing-sensitive-outcomes-in-tertiary-hospitals-of-korea-retrospective-observational-study
#18
Chul-Gyu Kim, Kyun-Seop Bae
BACKGROUND: Nurse staffing level is an important factor on nursing sensitive outcome. The relationships of nurse staffing level with nursing sensitive outcomes such as mortality, upper gastrointestinal bleeding and pressure ulcer have been explored in the United States, Canada, Australia, and New Zealand. Lower level of hospital nurse staffing seems associated with more adverse outcomes, especially mortality. However, there is insufficient evidence of the nurse staffing level-outcome relationship in other indicators...
January 2, 2018: International Journal of Nursing Studies
https://www.readbyqxmd.com/read/29455044/timing-of-surgical-site-infection-and-pulmonary-complications-after-laparotomy
#19
Ossian Gundel, Sofie Kirchhoff Gundersen, Rikke Maria Dahl, Lars Nannestad Jørgensen, Lars S Rasmussen, Jørn Wetterslev, Ditte Sæbye, Christian S Meyhoff
BACKGROUND: Surgical site infection (SSI) and other postoperative complications are associated with high costs, morbidity, secondary surgery, and mortality. Many studies have identified factors that may prevent SSI and pulmonary complications, but it is important to know when they in fact occur. The aim of this study was to investigate the diagnostic timing of surgical site infections and pulmonary complications after laparotomy. MATERIAL AND METHODS: This is a secondary analysis of the PROXI trial which was a randomized clinical trial conducted in 1400 patients undergoing elective or emergent laparotomy...
February 15, 2018: International Journal of Surgery
https://www.readbyqxmd.com/read/29455001/evolution-and-molecular-mechanism-of-pitas-in-iron-transport-of-streptococcus-species
#20
Kun Cao, Jing Zhang, Xin-Yu Miao, Qiu-Xia Wei, Xin-Lu Zhao, Qing-Yu He, Xuesong Sun
Iron is an essential element for almost all bacteria. The iron ATP-binding cassette (ABC) transporters located on the cell membrane affects bacterial virulence and infection. Although a variety of Fe3+ -transporters have been found in bacteria, their evolutionary processes are rarely studied. Pneumococcal iron ABC transporter (PitA), a highly conserved Fe3+ -transporter in most pathogenic bacteria, influences the capsule formation and virulence of bacteria. However, multiple sequence alignment revealed that PitA is expressed in four different variants in bacteria, and the structural complexity of these variants increases progressively...
February 10, 2018: Journal of Inorganic Biochemistry
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