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Microbiology specimen collection

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https://www.readbyqxmd.com/read/29467997/investigation-of-class-i-ii-and-iii-integrons-among-acinetobacter-baumannii-isolates-from-hospitalized-patients-in-isfahan-iran
#1
Mehrdad Halaji, Aliakbar Rezaei, Mehrdad Zalipoor, Jamshid Faghri
Objectives: This study aimed to determine the prevalence of class I, II, and III integrons among clinical Acinetobacter baumannii isolates collected from hospitalized patients. Methods: This cross-sectional study was conducted at two teaching hospitals in Isfahan, Iran, from October 2015 to October 2016. A total of 147 non-duplicate A. baumannii isolates were collected from clinical specimens and identified as A. baumannii using standard microbiological methods and confirmed by genotyping...
January 2018: Oman Medical Journal
https://www.readbyqxmd.com/read/29458156/how-to-isolate-identify-and-determine-antimicrobial-susceptibility-of-anaerobic-bacteria-in-routine-laboratories
#2
REVIEW
Elisabeth Nagy, Lyudmila Boyanova, Ulrik S Justesen
BACKGROUND: There has been an increased interest in the study of anaerobic bacteria, which cause human infection during the past decade. Many new genera and species have been described by to use 16S rRNA gene sequencing of clinical isolates obtained from different infection sites with commercially available special culture media to support the growth of anaerobes. Several systems, such as anaerobic pouches, boxes, jars and chambers provide suitable anaerobic culture conditions to isolate even strict anaerobic bacteria successfully from clinical specimens...
February 16, 2018: Clinical Microbiology and Infection
https://www.readbyqxmd.com/read/29454845/evaluation-of-a-new-multiplex-pcr-assay-paragenie-g-amoeba-real-time-pcr-kit-targeting-giardia-intestinalis-entamoeba-histolytica-and-entamoeba-dispar-entamoeba-moshkovskii-from-stool-specimens-evidence-for-the-limited-performances-of-microscopy-based-approach
#3
Florent Morio, Stéphane Valot, Adrien Laude, Guillaume Desoubeaux, Nicolas Argy, Céline Nourrisson, Christelle Pomares, Marie Machouart, Yohann Le Govic, Frédéric Dalle, Françoise Botterel, Nathalie Bourgeois, Estelle Cateau, Marion Leterrier, Fakhri Jeddi, Manuel Gaboyard, Patrice Le Pape
OBJECTIVES: Besides the potential to identify a wide variety of gastrointestinal parasites, microscopy remains the gold standard in clinical microbiology for amoeba species identification and especially, when coupled with adhesin detection, to discriminate the pathogenic E. histolytica from its sisters but non-pathogenic species E. dispar/E. moschovskii. However, this approach is time-consuming, requires a high-level of expertise that can be jeopardized considering the low prevalence of gastrointestinal parasites in non-endemic countries...
February 15, 2018: Clinical Microbiology and Infection
https://www.readbyqxmd.com/read/29444832/differential-contributions-of-specimen-types-culturing-and-16s-rrna-sequencing-in-diagnosis-of-prosthetic-joint-infections
#4
Lone Heimann Larsen, Vesal Khalid, Yijuan Xu, Trine Rolighed Thomsen, Henrik C Schønheyder
Prosthetic joint failure is mainly caused by infection, aseptic failure (AF), and mechanical problems. Infection detection has been improved with modified culture methods and molecular diagnostics. However, comparisons between modified and conventional microbiology methods are difficult, due to variations in specimen sampling. In this prospective, multidisciplinary study of hip or knee prosthetic failures, we assessed the contributions of different specimen types, extended culture incubations, and 16S rRNA sequencing for diagnosing prosthetic joint infections (PJI)...
February 14, 2018: Journal of Clinical Microbiology
https://www.readbyqxmd.com/read/29427686/laboratory-diagnosis-of-urinary-tract-infections-towards-a-bilulu-consensus-guideline
#5
REVIEW
Matthijs Oyaert, Britt Van Meensel, Reinoud Cartuyvels, Johan Frans, Wim Laffut, Patricia Vandecandelaere, Hans De Beenhouwer
The BILULU study group consists of seven microbiologists of hospital laboratories located in the region of Flanders (Belgium). A major goal of the group is to standardize diagnostic microbiology procedures based on available evidence and, in the absence of evidence, based on general microbiological principles and expert opinion. Scientific evidence of current urine culture guidelines is incomplete and at some points guidelines don't indicate clear choice. The aim of this project was to develop a clear and unambiguous step-by-step guideline regarding the work-up of urine cultures...
February 7, 2018: Journal of Microbiological Methods
https://www.readbyqxmd.com/read/29426791/collection-transport-and-general-processing-of-clinical-specimens-in-microbiology-laboratory
#6
M Isabel Sánchez-Romero, Juan Manuel García-Lechuz Moya, Juan José González López, Nieves Orta Mira
The interpretation and the accuracy of the microbiological results still depend to a great extent on the quality of the samples and their processing within the Microbiology laboratory. The type of specimen, the appropriate time to obtain the sample, the way of sampling, the storage and transport are critical points in the diagnostic process. The availability of new laboratory techniques for unusual pathogens, makes necessary the review and update of all the steps involved in the processing of the samples. Nowadays, the laboratory automation and the availability of rapid techniques allow the precision and turn-around time necessary to help the clinicians in the decision making...
February 6, 2018: Enfermedades Infecciosas y Microbiología Clínica
https://www.readbyqxmd.com/read/29409447/microbial-contaminants-isolated-from-items-and-work-surfaces-in-the-post-operative-ward-at-kawolo-general-hospital-uganda
#7
Ivan Sserwadda, Mathew Lukenge, Bashir Mwambi, Gerald Mboowa, Apollo Walusimbi, Farouk Segujja
BACKGROUND: Nosocomial infections are a major setback in the healthcare delivery system especially in developing countries due to the limited resources. The roles played by medical care equipment and work surfaces in the transmission of such organisms have inevitably contributed to the elevated mortality, morbidity and antibiotic resistances. METHODS: A total 138 samples were collected during the study from Kawolo general hospital. Swab samples were collected from various work surfaces and fomites which consisted of; beds, sink taps, infusion stands, switches, work tables and scissors...
February 6, 2018: BMC Infectious Diseases
https://www.readbyqxmd.com/read/29370828/prevalence-and-antimicrobial-susceptibility-pattern-of-salmonella-and-shigella-species-among-asymptomatic-food-handlers-working-in-haramaya-university-cafeterias-eastern-ethiopia
#8
Dadi Marami, Konjit Hailu, Moti Tolera
OBJECTIVE: Salmonellosis and Shigellosis remain a major public health problem across the globe, particularly in developing countries like Ethiopia, where hand hygiene and food microbiology are still below the required standards. The growing problem of antimicrobial resistance species also continues to pose public health challenges. This study assessed the prevalence and antimicrobial susceptibility pattern of Salmonella and Shigella species among asymptomatic food handlers. A cross-sectional study was conducted among 417 randomly selected asymptomatic food handlers...
January 25, 2018: BMC Research Notes
https://www.readbyqxmd.com/read/29314254/manual-versus-automated-streaking-system-in-clinical-microbiology-laboratory-performance-evaluation-of-previ-isola-for-blood-culture-and-body-fluid-samples
#9
Qute Choi, Hyun Jin Kim, Jong Wan Kim, Gye Cheol Kwon, Sun Hoe Koo
BACKGROUND: The process of plate streaking has been automated to improve routine workflow of clinical microbiology laboratories. Although there were many evaluation reports about the inoculation of various body fluid samples, few evaluations have been reported for blood. In this study, we evaluated the performance of automated inoculating system, Previ Isola for various routine clinical samples including blood. METHODS: Blood culture, body fluid, and urine samples were collected...
January 4, 2018: Journal of Clinical Laboratory Analysis
https://www.readbyqxmd.com/read/29312659/healthcare-associated-infection-and-its-risk-factors-among-patients-admitted-to-a-tertiary-hospital-in-ethiopia-longitudinal-study
#10
Solomon Ali, Melkamu Birhane, Sisay Bekele, Gebre Kibru, Lule Teshager, Yonas Yilma, Yesuf Ahmed, Netsanet Fentahun, Henok Assefa, Mulatu Gashaw, Esayas Kebede Gudina
Background: Healthcare associated infection (HAI) is alarmingly increasing in low income settings. In Ethiopia, the burden of HAI is still not well described. Methods: Longitudinal study was conducted from May to September, 2016. All wards of Jimma University Medical Centre were included. The incidence, prevalence and risk factors of healthcare associated infection were determined. A total of 1015 admitted patients were followed throughout their hospital stay. Biological specimens were collected from all patients suspected to have hospital aquired infection...
2018: Antimicrobial Resistance and Infection Control
https://www.readbyqxmd.com/read/29287070/a-diagnostic-and-epidemiologic-investigation-of-acute-febrile-illness-afi-in-kilombero-tanzania
#11
Christine Hercik, Leonard Cosmas, Ondari D Mogeni, Newton Wamola, Wanze Kohi, Victor Omballa, Melvin Ochieng, Shirley Lidechi, Juma Bonventure, Caroline Ochieng, Clayton Onyango, Barry S Fields, Sayoki Mfinanga, Joel M Montgomery
INTRODUCTION: In low-resource settings, empiric case management of febrile illness is routine as a result of limited access to laboratory diagnostics. The use of comprehensive fever syndromic surveillance, with enhanced clinical microbiology, advanced diagnostics and more robust epidemiologic investigation, could enable healthcare providers to offer a differential diagnosis of fever syndrome and more appropriate care and treatment. METHODS: We conducted a year-long exploratory study of fever syndrome among patients ≥ 1 year if age, presenting to clinical settings with an axillary temperature of ≥37...
2017: PloS One
https://www.readbyqxmd.com/read/29286015/prevalence-of-class-1-integrons-and-plasmid-mediated-qnr-genes-among-enterobacter-isolates-obtained-from-hospitalized-patients-in-ahvaz-iran
#12
Mansour Amin, Solmaz Dibachi, Mojtaba Shahin
Quinolones are frequently used classes of antimicrobials in hospitals, crucial for the treatment of infections caused by Gram-negative bacteria. The inappropriate use of quinolones and other antimicrobial agents for the treatment of bacterial infections leads to a significant increase of resistant isolates. The acquisition of antimicrobial resistance may be related to achievement of resistance determinant genes mediated by plasmids, transposons and gene cassettes in integrons. The objective of this cross-sectional study, conducted from December 2015 to July 2016 at two teaching hospitals in Ahvaz, southern Iran, was to screen for the presence of class 1 integrons and quinolone resistance genes in clinical isolates of Enterobacter spp...
December 1, 2017: Le Infezioni in Medicina
https://www.readbyqxmd.com/read/29235305/-discussion-on-related-problems-of-model-species-of-fungus%C3%AF-paecilomyces-hepialid
#13
Ru-Qin Dai, Chong-Yao Shen, Xiao-Ming Li, Jiang-Li Lan, Shu-Fang Lin, Ai-Juan Shao
Paecilomyces hepiali is a new species of fungus isolated from a field collection of Ophiocordyceps sinensis from Baima snow mountain, Diqing Tibetan Autonomous Prefecture, Yunnan Province by the Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences. The specimen was identified and named as Paecilomyces hepiali by Qing-Tao Chen, the professor of the Institute of Microbiology, Chinese Academy of Sciences (Paecilomyces hepiali) (2008), who identified a dried culture of living strain 82-2 as the holotype...
October 2017: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/29225753/study-of-bacterial-flora-associated-with-mobile-phones-of-healthcare-workers-and-non-healthcare-workers
#14
Raghavendra Rao Morubagal, Sowmya Govindanahalli Shivappa, Rashmi Padmanabha Mahale, Sumana Mhadevaiah Neelambike
Background and Objectives: Despite improvements in modern diagnosis and therapies, hospital acquired infections remain a leading problem of global health systems. Healthcare workers mobile phones is a reservoir for potential pathogens. Despite the high possibility of being contaminated, mobile phones are rarely clean and are often touched during or after examination of patients and handling of specimens without proper hand washing. The main objective of the present study was to isolate, identify different types of bacteria and their antibiotic sensitivity from mobile phones of healthcare workers and non-health-care workers...
June 2017: Iranian Journal of Microbiology
https://www.readbyqxmd.com/read/29221301/matrix-assisted-laser-desorption-ionization-time-of-flight-mass-spectrometry-a-powerful-tool-for-identification-of-corynebacterium-species
#15
Rong Bao, Xiaodong Gao, Bijie Hu, Zhaoyan Zhou
Background: Matrix-assisted laser desorption ionization time-of-flight mass spectrometry (MALDI-TOF MS) is a powerful tool that has initiated a revolution in the clinical microbiology laboratory for identification of nosocomial pathogens. The efficacy of MALDI-TOF MS produced by bioMerieux, Marcy l'Etoile, France (VITEK MS) for detecting Corynebacterium remains unknown. Methods: Corynebacterium isolates were isolated from clinical specimen in a tertial teaching hospital from 2012 to 2013...
September 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/29217418/molecular-characterization-of-virulence-and-antimicrobial-resistance-profile-of-shigella-species-isolated-from-children-with-moderate-to-severe-diarrhea-in-northeastern-brazil
#16
Pedro Henrique Quintela Soares Medeiros, Aldo Ângelo Moreira Lima, Marjorie Moreira Guedes, Alexandre Havt, Mariana Duarte Bona, Luís Carlos Rey, Alberto Melo Soares, Richard Littleton Guerrant, Bernhard H Weigl, Ila Fernanda Nunes Lima
Molecular characterization of virulence and antimicrobial resistance profiles were determined for Shigella species isolated from children with diarrhea in Fortaleza, Brazil. Fecal specimens were collected along with socioeconomic and clinical data from children with moderate to severe diarrhea requiring emergency care. Shigella spp. were isolated by standard microbiological techniques, and we developed 4 multiplex polymerase chain reaction assays to detect 16 virulence-related genes (VRGs). Antimicrobial susceptibility tests were performed using disk diffusion assays...
November 10, 2017: Diagnostic Microbiology and Infectious Disease
https://www.readbyqxmd.com/read/29208879/oncoe6-positivity-among-via-positive-suspected-cases-from-colposcopy-clinic-of-mymensingh-medical-college-hospital-mymensingh
#17
F Nahar, M A Hossain, S K Paul, M U Ahmed, S Khatun, N Akhter, G R Bhuiyan, S A Nasreen, S Roy, T K Barman, N Laskar, H Begum, S Abedin, N Haque, S Ahmed, N Kobayashi
Cervical cancer is a major world health problem for women. It is the fourth most leading cause of death in women around the world. High risk HPV DNA has been shown to be present in 99.7% of cervical cancers worldwide. Oncoprotein E6 and E7 play an important role in the development of cervical cancer which can be detected by OncoE6 cervical test. This Cross sectional observational study was performed to detect E6 Oncoprotein from cervical swab by OncoE6 cervical test. Following universal safety precautions a total of 47 endocervical swabs were collected from Colposcopy clinic of Obstetrics and Gynaecology department of Mymensingh Medical College Hospital (MMCH), Mymensingh, Bangladesh from January 2015 to December 2015...
October 2017: Mymensingh Medical Journal: MMJ
https://www.readbyqxmd.com/read/29207709/isolation-of-the-rare-opportunistic-yeast-saprochaete-capitata-from-clinical-samples-experience-from-a-tertiary-care-hospital-in-southern-india-and-a-brief-review-of-the-literature
#18
Umabala Pamidimukkala, Anuradha Kancharla, Sukanya Sudhaharan, Sadashivudu Gundeti, Surendra Mandarapu, Vamsi Krishna Nagalla, Sree Bhushan Raju, Sandhya Devi Karanam
Introduction: Saprochaete capitata (Teleomorph: Magnusiomyces capitatus) is a ubiquitous yeast found in environmental sources such as soil, water, air, plants and dairy products. It is also a part of the normal microbial flora in humans. The yeast is being increasingly reported as an opportunistic pathogen, especially in patients in the haemato-oncology setting, the infection being often mistakenly diagnosed as invasive candidiasis. Aim: To review the epidemiological, clinical and microbiological features of six patients admitted in our hospital over a period of 10 years (from January 2007 to December 2016), from whom Saprochaete capitata was isolated...
September 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/29204224/bacteriology-and-antibiogram-of-urinary-tract-infection-among-female-patients-in-a-tertiary-health-facility-in-south-eastern-nigeria
#19
REVIEW
Angus N Oli, Vivian B Akabueze, Chijioke E Ezeudu, George U Eleje, Obiora S Ejiofor, Ifeanyichukwu U Ezebialu, Charlotte B Oguejiofor, Ifeoma M Ekejindu, George O Emechebe, Kenneth N Okeke
Background: Urinary Tract Infection (UTI) is a common contagion among men and women with the incidence relatively higher among women due to their differing anatomy. An understanding of the kind of pathogens implicated in urinary tract infections as well as antibiotic susceptibility profiling may help the clinician make rationally correct empirical choice in their treatment. Objective: This study is aimed at determining the type and antibiotic susceptibility pattern of bacterial uropathogens isolated from female patients attending Chukwuemeka Odumegwu Ojukwu University Teaching Hospital (COOUTH), Awka, Nigeria...
2017: Open Microbiology Journal
https://www.readbyqxmd.com/read/29166867/clinical-and-virological-factors-associated-with-gastrointestinal-symptoms-in-patients-with-acute-respiratory-infection-a-two-year-prospective-study-in-general-practice-medicine
#20
Laetitia Minodier, Shirley Masse, Lisandru Capai, Thierry Blanchon, Pierre-Emmanuel Ceccaldi, Sylvie van der Werf, Thomas Hanslik, Remi Charrel, Alessandra Falchi
BACKGROUND: Gastrointestinal (GI) symptoms, such as diarrhea, vomiting, abdominal pain and nausea are not an uncommon manifestation of an acute respiratory infection (ARI). We therefore evaluated clinical and microbiological factors associated with the presence of GI symptoms in patients consulting a general practitioner (GP) for ARI. METHODS: Nasopharyngeal swabs, stool specimens and clinical data from patients presenting to GPs with an ARI were prospectively collected during two winter seasons (2014-2016)...
November 22, 2017: BMC Infectious Diseases
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