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https://www.readbyqxmd.com/read/29237784/low-yield-of-filmarray-gi-panel-in-hospitalized-patients-with-diarrhea-an-opportunity-for-diagnostic-stewardship-intervention
#1
Matthew M Hitchcock, Carlos A Gomez, Niaz Banaei
FilmArray GI Panel (BioFire Diagnostics, Salt Lake City, UT) is a multiplex, on-demand, sample-to-answer, real-time PCR assay for the syndromic diagnosis of infectious gastroenteritis that has become widely adopted and, in some instances, replaced conventional stool culture and parasite exams. Conventional testing has historically been restricted among hospitalized patients due to low diagnostic yield, but it is not known whether use of the FilmArray GI Panel should be circumscribed. Cary-Blair stool samples submitted for FilmArray GI Panel in adult patients admitted to an academic hospital from August 2015 to January 2017 were included in this study...
December 13, 2017: Journal of Clinical Microbiology
https://www.readbyqxmd.com/read/29212701/multicenter-evaluation-of-the-eplex%C3%A2-respiratory-pathogen-panel-for-the-detection-of-viral-and-bacterial-respiratory-tract-pathogens-in-nasopharyngeal-swabs
#2
N Esther Babady, Matthew R England, Kristen L Jurcic Smith, Taojun He, Dona Saumya Wijetunge, Yi-Wei Tang, Robin R Chamberland, Marilyn Menegus, Ella M Swierkosz, Robert C Jerris, Wallace Greene
Background: The performance of the new ePlex® Respiratory Pathogen (RP) Panel (GenMark Diagnostics) for the simultaneous detection of 19 viruses (influenza A, influenza A H1, influenza A 2009 H1, influenza A H3, influenza B, adenovirus, coronaviruses [HKU1, OC43, NL63, 229E], human rhinovirus/enterovirus, human metapneumovirus, parainfluenza viruses 1, 2, 3 and 4, respiratory syncytial virus (RSV) [RSVA and RSV B]) and two bacteria (Mycoplasma pneumoniae and Chlamydia pneumoniae) was evaluated.Methods: Prospectively and retrospectively collected nasopharyngeal swab (NPS) specimens (n =2,908) were evaluated using the ePlex RP Panel with the bioMérieux/BioFire FilmArray® Respiratory Panel (BF RP) as the comparator method...
December 6, 2017: Journal of Clinical Microbiology
https://www.readbyqxmd.com/read/29208560/multiplex-pcr-system-for-the-rapid-diagnosis-of-respiratory-virus-infection-a-systematic-review-and-meta-analysis
#3
REVIEW
Huai-Shiuan Huang, Chi-Lin Tsai, Jeffrey Chang, Tzu-Chun Hsu, Samuel Lin, Chien-Chang Lee
OBJECTIVES: We aim to provide a summary of evidence for the diagnostic accuracies of three multiplex PCR systems (mPCRs): BioFire Filmarray RP (Filmarray), Nanosphere Verigene RV+ test (Verigene) and Hologic Gen-Probe Prodesse assays on the detection of viral respiratory infections. METHODS: A comprehensive search up to July 1st, 2017 was conducted on Medline and Embase for studies that utilized Filmarray, Verigene and Prodesse for diagnosis of viral respiratory infections...
December 2, 2017: Clinical Microbiology and Infection
https://www.readbyqxmd.com/read/29099868/evaluation-of-a-multiplex-panel-for-the-diagnosis-of-acute-infectious-diarrhea-in-immunocompromised-hematologic-patients
#4
Izaskun Alejo-Cancho, Francesc Fernández Avilés, Alicia Capón, Cristina Rodríguez, Josep Barrachina, Pilar Salvador, Mª Eugenia Valls, Miriam J Álvarez-Martínez, Yuliya Zboromyrska, Jordi Vila, Mª Ángeles Marcos
INTRODUCTION: Diarrhea is a frequent complication in hematologic patients, being an infectious cause frequently suspected. Rapid and accurate detection of gastrointestinal pathogens is vital in immunocompromised hosts. The aim of this study was to compare routine diagnostic methods versus a multiplex polymerase chain reaction (PCR) assay for the diagnosis of infectious diarrhea in immunocompromised hematologic patients. MATERIAL AND METHODS: We conducted a prospective observational study from March 2015 to January 2016 to compare conventional methods for the diagnosis of infectious diarrhea with FIlmArray GI Panel (BioFire-bioMérieux, France)...
2017: PloS One
https://www.readbyqxmd.com/read/29096535/impact-of-early-multiplex-filmarray-respiratory-pathogen-panel-rpp-assay-on-hospital-length-of-stay-in-pediatric-patients-younger-than-3-months-admitted-for-fever-or-sepsis-workup
#5
Cory McFall, Hossein Salimnia, Paul Lephart, Ronald Thomas, Eric McGrath
No abstract text is available yet for this article.
November 1, 2017: Clinical Pediatrics
https://www.readbyqxmd.com/read/29093106/a-gastrointestinal-pcr-panel-improves-clinical-management-and-lowers-healthcare-costs
#6
Stacy G Beal, Elizabeth E Tremblay, Steven Toffel, Lymaries Velez, Kenneth H Rand
Conventional methods for identification of gastrointestinal pathogens are time consuming, expensive, and have limited sensitivity. The aim of this study was to determine the clinical impact of a comprehensive molecular test, the BioFire FilmArray® Gastrointestinal (GI) Panel which tests for many of the most common agents of infectious diarrhea in approximately one hour. Patients with stool cultures submitted were tested on the GI Panel (n=241) and were compared with control patients (n=594) from the year prior...
November 1, 2017: Journal of Clinical Microbiology
https://www.readbyqxmd.com/read/29092659/cost-justification-of-the-biofire-filmarray-meningitis-encephalitis-panel-versus-standard-of-care-for-diagnosing-meningitis-in-a-community-hospital
#7
Dana K Soucek, Lisa E Dumkow, Kali M VanLangen, Andrew P Jameson
BACKGROUND: Cerebrospinal fluid (CSF) Gram stain and culture along with CSF viral polymerase chain reaction (PCR) are the current standard of care (SOC) to diagnose meningitis. Unfortunately, these tests take up to 72 hours to provide results and are not always sensitive to detect a pathogen. BioFire FilmArray (FA) meningitis/encephalitis (ME) panel uses PCR to provide quick, accurate identification of the causative organism. For community hospitals, the cost of this technology may be prohibitive...
January 1, 2017: Journal of Pharmacy Practice
https://www.readbyqxmd.com/read/29075617/distinctive-gut-microbiota-is-associated-with-diarrheagenic-escherichia-coli-infections-in-chilean-children
#8
Pablo Gallardo, Mariana Izquierdo, Roberto M Vidal, Nayaret Chamorro-Veloso, Ramon Rosselló-Móra, Miguel O'Ryan, Mauricio J Farfán
Background: Diarrheagenic Escherichia coli (DEC) strains are a major cause of diarrhea in children under 5 years of age worldwide. DEC pathogenicity relies on the interaction of bacteria with environmental factors, including the host's resident gut microbiota. Previous reports have shown changes in the gut microbiota's composition during episodes of diarrhea, which may increase the pathogenicity of DEC strains. More intense and detailed identification of microbiota strains specifically associated with DEC infections and disease is needed to pinpoint their role in DEC pathogenicity...
2017: Frontiers in Cellular and Infection Microbiology
https://www.readbyqxmd.com/read/29071818/evaluation-of-allplex-respiratory-panel-1-2-3-multiplex-real-time-pcr-assays-for-the-detection-of-respiratory-viruses-with-influenza-a-virus-subtyping
#9
Jaehyeon Lee, Hye Soo Lee, Yong Gon Cho, Sam Im Choi, Dal Sik Kim
The Allplex Respiratory Panel 1/2/3 (All16) is a multiplex PCR assay for detecting 16 respiratory viruses with influenza A virus (FluA) subtyping, and the first clinical assay based on multiple detection temperatures. We compared the results between All16 and Anyplex II RV16 (Any16) in 426 clinical samples. Samples showing discrepancies between the two tests were further tested using monoplex PCR. FluA subtyping based on the hemagglutinin type results of All16, which yielded H1, H3, and non-H1/H3, was compared with the results of the BioFire FilmArray respiratory panel...
January 2018: Annals of Laboratory Medicine
https://www.readbyqxmd.com/read/29018819/the-clinical-significance-of-filmarray-respiratory-panel-in-diagnosing-community-acquired-pneumonia
#10
Huanzhu Chen, Huilan Weng, Meirui Lin, Ping He, Yazhen Li, Qingdong Xie, Changwen Ke, Xiaoyang Jiao
AIM: FilmArray Respiratory Panel (FilmArray RP) test is an emerging diagnostic method in fast detecting multiple respiratory pathogens; the methodology and clinical significance of FilmArray RP in community-acquired pneumonia (CAP) diagnosis were evaluated in this study. METHODS: Specimens from 74 patients with CAP were analyzed and compared using FilmArray RP, traditional multiple PCR assay, bacterial (or fungal) culture, and serological detection. RESULTS: FilmArray RP and multiplex PCR showed 100% coincidence rate in detecting coronaviruses 229E, OC43, HKU1, and NL63, human metapneumovirus, influenza A and B, and parainfluenza viruses (PIV1, PIV2, and PIV4)...
2017: BioMed Research International
https://www.readbyqxmd.com/read/29017451/multiplex-pcr-point-of-care-testing-versus-routine-laboratory-based-testing-in-the-treatment-of-adults-with-respiratory-tract-infections-a-quasi-randomised-study-assessing-impact-on-length-of-stay-and-antimicrobial-use
#11
Denise Andrews, Yumela Chetty, Ben S Cooper, Manjinder Virk, Stephen K Glass, Andrew Letters, Philip A Kelly, Malur Sudhanva, Dakshika Jeyaratnam
BACKGROUND: Laboratory-based respiratory pathogen (RP) results are often available too late to influence clinical decisions such as hospitalisation or antibiotic treatment due to time delay in transport of specimens and testing schedules. Ward-based i.e. point of care (POC) testing providing rapid results may alter the clinical management pathway. METHODS: FilmArray® RP polymerase chain reaction (PCR) systems were placed in three in-patient and out-patient medical areas...
October 10, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28947901/evaluation-of-nxtag-respiratory-pathogen-panel-and-comparison-with-xtag-respiratory-viral-panel-fast-v2-and-film-array-respiratory-panel-for-detecting-respiratory-pathogens-in-nasopharyngeal-aspirates-and-swine-avian-origin-influenza-a-subtypes-in-culture-isolates
#12
K H Chan, K K W To, P T W Li, T L Wong, R Zhang, K K H Chik, G Chan, C C Y Yip, H L Chen, I F N Hung, J F W Chan, K Y Yuen
This study evaluated a new multiplex kit, Luminex NxTAG Respiratory Pathogen Panel, for respiratory pathogens and compared it with xTAG RVP Fast v2 and FilmArray Respiratory Panel using nasopharyngeal aspirate specimens and culture isolates of different swine/avian-origin influenza A subtypes (H2N2, H5N1, H7N9, H5N6, and H9N2). NxTAG RPP gave sensitivity of 95.2%, specificity of 99.6%, PPV of 93.5%, and NPV of 99.7%. NxTAG RPP, xTAG RVP, and FilmArray RP had highly concordant performance among each other for the detection of respiratory pathogens...
2017: Advances in Virology
https://www.readbyqxmd.com/read/28931467/clinical-features-and-molecular-epidemiology-of-diarrheagenic-escherichia-coli-pathotypes-identified-by-fecal-gastrointestinal-multiplex-nucleic-acid-amplification-in-patients-with-cancer-and-diarrhea
#13
Andrew W Chao, Micah Bhatti, Herbert L DuPont, James P Nataro, Lily G Carlin, Pablo C Okhuysen
Diarrheagenic Escherichia coli (DEC) pathotypes with differing epidemiology and clinical features, are known causes of disease with worldwide occurrence. At a major cancer center in the U.S., we studied patients with cancer and diarrhea for whom a GI Biofire FilmArray multiplex GI panel (BFM) was performed. An enteropathogen was identified in 382 of 2017 (19%) samples distributed across 311 patients. Of these, 60/311(19%) were positive for DEC. Patients receiving hematopoietic stem cell transplants (HSCT) 29/60 (48%) or with a hematologic malignancy 17/60 (28%) accounted for the majority of DEC cases...
August 12, 2017: Diagnostic Microbiology and Infectious Disease
https://www.readbyqxmd.com/read/28892765/the-performance-of-luminex-aries-%C3%A2-flu-a-b-rsv-and-cepheid-xpert-%C3%A2-flu-rsv-xc-for-the-detection-of-influenza-a-influenza-b-and-respiratory-syncytial-virus-in-prospective-patient-samples
#14
Phillip McMullen, Sue Boonlayangoor, Angella Charnot-Katsikas, Kathleen G Beavis, Vera Tesic
BACKGROUND: The demand for rapid, accurate viral testing has increased the number of assays available for the detection of viral pathogens. One of the newest FDA cleared platforms is the Luminex ARIES(®) Flu A/B & RSV, which is a fully automated, real-time PCR-based assay used for detection of influenza A, influenza B, and respiratory syncytial virus (RSV). OBJECTIVES: We sought to compare the performance of Luminex ARIES(®) Flu A/B & RSV assay to the Cepheid Xpert(®) Flu/RSV XC assay for rapid Flu and RSV testing...
September 5, 2017: Journal of Clinical Virology: the Official Publication of the Pan American Society for Clinical Virology
https://www.readbyqxmd.com/read/28889082/comparison-of-three-multiplex-gastrointestinal-platforms-for-the-detection-of-gastroenteritis-viruses
#15
Preeti Chhabra, Nicole Gregoricus, Geoffrey A Weinberg, Natasha Halasa, James Chappell, Ferdaus Hassan, Rangaraj Selvarangan, Slavica Mijatovic-Rustempasic, M Leanne Ward, Michael Bowen, Daniel C Payne, Jan Vinjé
BACKGROUND: Viruses are major etiological agents of childhood gastroenteritis. In recent years, several molecular platforms for the detection of viral enteric pathogens have become available. OBJECTIVE/STUDY DESIGN: We evaluated the performance of three multiplex platforms including Biofire's Gastrointestinal Panel (FilmArray), Luminex xTAG(®) Gastrointestinal Pathogen Panel (GPP), and the TaqMan Array Card (TAC) for the detection of five gastroenteritis viruses using a coded panel of 300 archived stool samples...
October 2017: Journal of Clinical Virology: the Official Publication of the Pan American Society for Clinical Virology
https://www.readbyqxmd.com/read/28630187/cumulative-effect-of-an-antimicrobial-stewardship-and-rapid-diagnostic-testing-bundle-on-early-streamlining-of-antimicrobial-therapy-in-gram-negative-bloodstream-infections
#16
P B Bookstaver, E B Nimmich, T J Smith, J A Justo, J Kohn, K L Hammer, C Troficanto, H A Albrecht, M N Al-Hasan
The use of rapid diagnostic tests (RDTs) enhances antimicrobial stewardship program (ASP) interventions in optimization of antimicrobial therapy. This quasi-experimental cohort study evaluated the combined impact of an ASP/RDT bundle on the appropriateness of empirical antimicrobial therapy (EAT) and time to de-escalation of broad-spectrum antimicrobial agents (BSAA) in Gram-negative bloodstream infections (GNBSI). The ASP/RDT bundle consisted of system-wide GNBSI treatment guidelines, prospective stewardship monitoring, and sequential introduction of two RDTs, matrix-assisted laser desorption ionization-time of flight mass spectrometry (MALDI-TOF MS) and the FilmArray blood culture identification (BCID) panel...
September 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28625839/surveillance-of-upper-respiratory-infections-using-a-new-multiplex-pcr-assay-compared-to-conventional-methods-during-the-influenza-season-in-taiwan
#17
Shu-Chun Chiu, Yung-Cheng Lin, Hsiao-Chi Wang, Jen-Jen Hsu, Ting-Kai Yeh, Hsin-Fu Liu, Jih-Hui Lin
OBJECTIVES: To improve diagnosis as part of laboratory surveillance in Taiwan, influenza-like illness (ILI) surveillance was conducted using a new multiplex PCR assay (FilmArray) and the results compared to those of conventional methods The study was performed during the winter months. METHODS: Throat swabs from patients with an ILI presenting to physicians in sentinel practices were collected during the 2016-2017 influenza season. RESULTS: A total of 52 samples tested positive by FilmArray Respiratory Panel...
June 15, 2017: International Journal of Infectious Diseases: IJID
https://www.readbyqxmd.com/read/28619124/multiplex-tests-to-identify-gastrointestinal-bacteria-viruses-and-parasites-in-people-with-suspected-infectious-gastroenteritis-a-systematic-review-and-economic-analysis
#18
Karoline Freeman, Hema Mistry, Alexander Tsertsvadze, Pam Royle, Noel McCarthy, Sian Taylor-Phillips, Rohini Manuel, James Mason
BACKGROUND: Gastroenteritis is a common, transient disorder usually caused by infection and characterised by the acute onset of diarrhoea. Multiplex gastrointestinal pathogen panel (GPP) tests simultaneously identify common bacterial, viral and parasitic pathogens using molecular testing. By providing test results more rapidly than conventional testing methods, GPP tests might positively influence the treatment and management of patients presenting in hospital or in the community. OBJECTIVE: To systematically review the evidence for GPP tests [xTAG(®) (Luminex, Toronto, ON, Canada), FilmArray (BioFire Diagnostics, Salt Lake City, UT, USA) and Faecal Pathogens B (AusDiagnostics, Beaconsfield, NSW, Australia)] and to develop a de novo economic model to compare the cost-effectiveness of GPP tests with conventional testing in England and Wales...
April 2017: Health Technology Assessment: HTA
https://www.readbyqxmd.com/read/28600949/effect-of-genomic-drift-of-influenza-pcr-tests
#19
Kathleen A Stellrecht, Seela M Nattanmai, Jumshan Butt, Vincente P Maceira, Alvin A Espino, Allan J Castro, Allen Landes, Nicolas Dresser, Shafiq A Butt
BACKGROUND: Nucleic acid amplification assays have become the method of choice for influenza (Flu) testing due to superior accuracy and faster turnaround time. Although assays are designed to detect highly conserved genomic targets, mutations can influence test sensitivity. Most of the circulating viruses in the United States during the 2014-2015 season were associated with significant genetic drift; however, the effect on testing was unknown. OBJECTIVES AND STUDY DESIGN: We compared the performance of Prodesse ProFlu+/ProFAST+ (PFlu/PFAST), FilmArray Respiratory Panel (RP), cobas(®) Influenza A/B test (cIAB), and Xpert(®) Flu (Xpt) in a retrospective analysis of consecutive nasopharyngeal specimens received for a two-week period during the winter of 2015...
August 2017: Journal of Clinical Virology: the Official Publication of the Pan American Society for Clinical Virology
https://www.readbyqxmd.com/read/28540320/delayed-diagnosis-of-tuberculous-meningitis-misdiagnosed-as-herpes-simplex-virus-1-encephalitis-with-the-filmarray-syndromic-polymerase-chain-reaction-panel
#20
Carlos A Gomez, Benjamin A Pinsky, Anne Liu, Niaz Banaei
The FilmArray meningitis/encephalitis (ME) panel is a novel syndromic, nucleic acid amplification test for diagnosis of acute meningitis and encephalitis. Emerging data on its performance are concerning for false-positive results. We present a case of tuberculous meningitis misdiagnosed as herpes simplex virus-1 encephalitis with the FilmArray ME panel. Strategies to mitigate erroneous results are discussed.
2017: Open Forum Infectious Diseases
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