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Małgorzata Sadkowska-Todys, Andrzej Zieliński, Mirosław P Czarkowski
PURPOSE of the STUDY: The aim of the study is to assess epidemiological situation of infectious and parasitic diseases in Poland in 2014, and an indication of the potential health risks from communicable diseases occurring in other areas of the globe. MATERIAL AND METHODS: This paper is a summary of the analysis and evaluation of the results of epidemiological surveillance of infectious diseases in Poland in 2014, and those elements of European and global epidemiological background, which in this period had an impact on the epidemiological situation in Poland or constituted a threat...
2016: Przegla̧d Epidemiologiczny
Wei Lu, Jia-Lin Yu, Lu-Quan Li, Qi Lu, Zheng-Li Wang, Yun Pan
Bacterial infectious pneumonia is one of the major causes of mortality in neonates, particularly when the neonates suffer from ventilator‑associated pneumonia (VAP). However, the causes of pneumonia are difficult to define. Thus, the present study focused on understanding the diversity of microflora in the lower respiratory tract to elucidate the causes. The experimental groups comprised newborns who suffered from infectious pneumonia with or without VAP (IVAP and IP groups, respectively), whereas the control group comprised newborns who suffered from respiratory distress syndrome (RDS) without VAP (RDS group)...
October 25, 2016: Molecular Medicine Reports
Jayanth Sridhar, Yoshihiro Yonekawa, Ajay E Kuriyan, Anthony Joseph, Benjamin J Thomas, Michelle C Liang, Nadim Rayess, Nidhi Relhan, Jeremy D Wolfe, Chirag P Shah, Andre J Witkin, Harry W Flynn, Sunir J Garg
PURPOSE: To report the clinical presentation, microbiologic spectrum, and visual outcomes associated with acute-onset infectious endophthalmitis undergoing therapeutic pars plana vitrectomy. METHODS: Multicenter interventional retrospective noncomparative consecutive case series. Billing records were reviewed to identify all charts for patients undergoing pars plana vitrectomy within 14 days of diagnosis of acute-onset infectious endophthalmitis over a 4-year period at 5 large tertiary referral retina practices...
October 21, 2016: Retina
Ching-Yu Lee, Yen-Yao Li, Tsan-Wen Huang, Tsung-Yu Huang, Wei-Hsiu Hsu, Yao-Hung Tsai, Jou-Chen Huang, Kuo-Chin Huang
PURPOSE: No reports have been published on synchronous multifocal necrotizing fasciitis (SMNF), a multifocal presence of necrotizing fasciitis in different extremities. We evaluated the clinical characteristics and outcomes of SMNF. METHODS: Eighteen patients (14 men, 4 women; mean age: 59 years) diagnosed with SMNF of the extremities between January 2004 to December 2012 were enrolled and evaluated. RESULTS: Vibrio species were the most commonly (78%; n = 14) isolated; others were two cases (11%) of Aeromonas spp...
October 24, 2016: Infection
Jolien Teepe, Berna D L Broekhuizen, Katherine Loens, Christine Lammens, Margareta Ieven, Herman Goossens, Paul Little, Chris C Butler, Samuel Coenen, Maciek Godycki-Cwirko, Theo J M Verheij
BACKGROUND: Bacterial testing of all patients who present with acute cough is not feasible in primary care. Furthermore, the extent to which easily obtainable clinical information predicts bacterial infection is unknown. We evaluated the diagnostic value of clinical examination and testing for C-reactive protein and procalcitonin for bacterial lower respiratory tract infection. METHODS: Through a European diagnostic study, we recruited 3104 adults with acute cough (≤ 28 days) in primary care settings...
October 24, 2016: CMAJ: Canadian Medical Association Journal, Journal de L'Association Medicale Canadienne
Xiao-Yu Hu, Yu-Fei Yao, Bo-Miao Cui, Jun Lv, Xin Shen, Biao Ren, Ming-Yun Li, Qiang Guo, Rui-Jie Huang, Yan Li
OBJECTIVE: To analyze the whole microbial structure in a case of rampant caries to provide evidence for its prevention and treatment. METHODS: Clinical samples including blood, supragingival plaque, plaque in the caries cavity, saliva, and mucosal swabs were collected with the patient's consent. The blood sample was sent for routine immune test, and the others samples were stained using Gram method and cultured for identifying colonies and 16S rRNA sequencing. DNA was extracted from the samples and tested for the main cariogenic bacterium (Streptococcus mutans) with qPCR, and the whole microbial structure was analyzed using DGGE...
October 20, 2016: Nan Fang Yi Ke da Xue Xue Bao, Journal of Southern Medical University
Iyo Ikeda, Takahisa Yamada, Takahiro Nakajima, Yuichiro Oba, Masatake Fukunami
No abstract text is available yet for this article.
October 2016: American Journal of the Medical Sciences
J Chong, P Jones, D Spelman, K Leder, A C Cheng
Overwhelming post-splenectomy infection (OPSI) is a serious complication of asplenia and is associated with encapsulated organisms, most commonly Streptococcus pneumoniae, but also Haemophilus influenzae and Neisseria meningitidis. We aimed to estimate the risk of infection in this patient group. We reviewed data collected by the Victorian Spleen Registry in Australia. On registration, all patients are asked about significant infections requiring admission to hospital for intravenous antibiotics; those requiring admission to ICU were defined as OPSI...
October 25, 2016: Epidemiology and Infection
Felix S Dube, Mamadou Kaba, F J Lourens Robberts, Lemese Ah Tow, Sugnet Lubbe, Heather J Zar, Mark P Nicol
BACKGROUND: Lower respiratory tract infection in children is increasingly thought to be polymicrobial in origin. Children with symptoms suggestive of pulmonary tuberculosis (PTB) may have tuberculosis, other respiratory tract infections or co-infection with Mycobacterium tuberculosis and other pathogens. We aimed to identify the presence of potential respiratory pathogens in nasopharyngeal (NP) samples from children with suspected PTB. METHOD: NP samples collected from consecutive children presenting with suspected PTB at Red Cross Children's Hospital (Cape Town, South Africa) were tested by multiplex real-time RT-PCR...
October 24, 2016: BMC Infectious Diseases
Aleš Ulrych, Nela Holečková, Jana Goldová, Linda Doubravová, Oldřich Benada, Olga Kofroňová, Petr Halada, Pavel Branny
BACKGROUND: Reversible protein phosphorylation catalyzed by protein kinases and phosphatases is the primary mechanism for signal transduction in all living organisms. Streptococcus pneumoniae encodes a single Ser/Thr protein kinase, StkP, which plays a role in virulence, stress resistance and the regulation of cell wall synthesis and cell division. However, the role of its cognate phosphatase, PhpP, is not well defined. RESULTS: Here, we report the successful construction of a ΔphpP mutant in the unencapsulated S...
October 24, 2016: BMC Microbiology
Marie E Jetté, Kimberly A Dill-McFarland, Alissa S Hanshew, Garret Suen, Susan L Thibeault
Prolonged diffuse laryngeal inflammation from smoking and/or reflux is commonly diagnosed as chronic laryngitis and treated empirically with expensive drugs that have not proven effective. Shifts in microbiota have been associated with many inflammatory diseases, though little is known about how resident microbes may contribute to chronic laryngitis. We sought to characterize the core microbiota of disease-free human laryngeal tissue and to investigate shifts in microbial community membership associated with exposure to cigarette smoke and reflux...
October 24, 2016: Scientific Reports
Soyoung Lee, Han Wool Kim, Kyung-Hyo Kim
BACKGROUND: Intravenous immunoglobulin G (IVIG) replacement therapy is used to prevent invasive infections in patients with primary antibody deficiency (PAD). However, few studies have functionally evaluated specific antibodies against encapsulated bacteria that cause invasive infection in patients with PAD. In this study, functional antibodies against Haemophilus influenzae type b (Hib), Streptococcus pneumoniae (pneumococci), and Neisseria meningitidis (meningococci) in IVIG therapy were evaluated...
October 23, 2016: Transfusion
Jinhu Huang, Jiale Ma, Kexin Shang, Xiao Hu, Yuan Liang, Daiwei Li, Zuowei Wu, Lei Dai, Li Chen, Liping Wang
Streptococcus suis is a previously neglected, newly emerging multidrug-resistant zoonotic pathogen. Mobile genetic elements (MGEs) play a key role in intra- and interspecies horizontal transfer of antimicrobial resistance (AMR) determinants. Although, previous studies showed the presence of several MGEs, a comprehensive analysis of AMR-associated mobilome as well as their interaction and evolution has not been performed. In this study, we presented the AMR-associated mobilome and their insertion hotspots in S...
2016: Frontiers in Cellular and Infection Microbiology
Stephanie Seneff, Nancy L Swanson, Gerald Koenig, Chen Li
Osteonecrosis of the jaw (ONJ), a rare side effect of bisphosphonate therapy, is a debilitating disorder with a poorly understood etiology. FDA's Adverse Event Reporting System (FAERS) provides the opportunity to investigate this disease. Our goals were to analyze FAERS data to discover possible relationships between ONJ and specific conditions and drugs and then to consult the scientific literature to deduce biological explanations. Our methodology revealed a very strong association between gastroesophageal reflux and bisphosphonate-induced ONJ, suggesting acidosis as a key factor...
2016: Disease Markers
Camilla Kristoffersen, Rasmus B Jensen, Ekaterina Avershina, Dag Austbø, Anne-Helene Tauson, Knut Rudi
Knowledge on dynamic interactions in microbiota is pivotal for understanding the role of bacteria in the gut. We herein present comprehensive dynamic models of the horse cecal microbiota, which include short-chained fatty acids, carbohydrate metabolic networks, and taxonomy. Dynamic models were derived from time-series data in a crossover experiment in which four cecum-cannulated horses were fed a starch-rich diet of hay supplemented with barley (starch intake 2 g kg(-1) body weight per day) and a fiber-rich diet of only hay...
October 21, 2016: Microbes and Environments
En-Ming He, Cheng-Wen Chen, Yong Guo, Mei-Hua Hsu, Liang Zhang, Hsiu-Ling Chen, Guo-Ping Zhao, Cheng-Hsun Chiu, Yan Zhou
Streptococcus agalactiae (GBS) causes serious infections in humans and other species. A total of 25 complete GBS genomes, including the first sequenced serotype VI genome (GBS-M002), were compared in this study. The power law model suggested that the pan-genome of GBS is open, with approximately 1300 genes in the core genome of GBS, accounting for approximately 60% of the average genome content. GBS-M002 has 73 specific genes and is one of the five strains containing >60 specific genes. Based on COG (Cluster of Orthologous Groups of proteins) functional classification, 24% of the genes related to defense mechanisms are specific among the strains...
October 20, 2016: Gene
M A Tazón-Varela, H Alonso-Valle, P Muñoz-Cacho, J Gallo-Terán, X Piris-García, L A Pérez-Mier
INTRODUCTION: Knowing the most common microorganisms in our environment can help us to make proper empirical treatment decisions. The aim is to identify those microorganisms causing community-acquired pneumonia. PATIENTS AND METHODS: An observational, descriptive and prospective study was conducted, including patients over 14 years with a clinical and radiographic diagnosis of community-acquired pneumonia during a 383 consecutive day period. A record was made of sociodemographic variables, personal history, prognostic severity scales, progress, and pathogenic agents...
October 20, 2016: Semergen
Worawut Choeyprasert, Suradej Hongeng, Usanarat Anurathapan, Samart Pakakasama
Bacteremia during neutropenic episodes is a cause of morbidity and mortality in patients undergoing hematopoietic stem cell transplantation (HSCT). We have used oral ciprofloxacin and penicillin V, from the start of the conditioning regimen until engraftment, for the prophylaxis of bacterial infection. The objective of this study was to retrospectively analyze the prevalence of and risk factors for breakthrough bacteremia during neutropenic episodes in autologous and allogeneic HSCT patients. There were 215 patients enrolled, with a median age of 8...
October 22, 2016: International Journal of Hematology
Ilona F Persoon, Mark J Buijs, Ahmet R Özok, Wim Crielaard, Bastiaan P Krom, Egija Zaura, Bernd W Brandt
OBJECTIVES: Bacterial infection of the root canal system causes apical periodontitis. Less is known about the role of fungi in these infections. This study aimed to assess the fungal prevalence, abundance, and diversity of root canal infections, as well as the relation between fungi and bacteria present in different parts of the root canal. MATERIALS AND METHODS: Twenty-six teeth with primary apical periodontitis were extracted, split in apical and coronal root segments, and cryo-pulverized...
October 22, 2016: Clinical Oral Investigations
Chang-Hua Chen, Chi-Chao Tu, Han-Yueh Kuo, Rong-Fong Zeng, Cheng-Sheng Yu, Henry Horng-Shing Lu, Ming-Li Liou
Terminal disinfection and daily cleaning have been performed in hospitals in Taiwan for many years to reduce the risks of healthcare-associated infections. However, the effectiveness of these cleaning approaches and dynamic changes of surface microbiota upon cleaning remain unclear. Here, we report the surface changes of bacterial communities with terminal disinfection and daily cleaning in a medical intensive care unit (MICU) and only terminal disinfection in a respiratory care center (RCC) using 16s ribosomal RNA (rRNA) metagenomics...
October 22, 2016: Applied Microbiology and Biotechnology
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