R. Humphries

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CLSI Methods Development and Standardization Working Group Best Practices for Evaluation of Antimicrobial Susceptibility Tests

R. Humphries, J. Ambler, S. Mitchell, 2018, Journal of Clinical Microbiology.

Performance and Verification of a Real-Time PCR Assay Targeting the gyrA Gene for Prediction of Ciprofloxacin Resistance in Neisseria gonorrhoeae

R. Humphries, J. Klausner, P. Hemarajata, 2016, Journal of Clinical Microbiology.

The Continued Value of Disk Diffusion for Assessing Antimicrobial Susceptibility in Clinical Laboratories: Report from the Clinical and Laboratory Standards Institute Methods Development and Standardization Working Group

R. Humphries, C. Burnham, S. Kircher, 2018, Journal of Clinical Microbiology.

Rapid pathogen-specific phenotypic antibiotic susceptibility testing using digital LAMP quantification in clinical samples

R. Ismagilov, R. Humphries, Nathan G. Schoepp, 2017, Science Translational Medicine.

Polymyxin Susceptibility Testing: a Cold Case Reopened

R. Humphries, K. Jerke, Mark Lee, 2016 .

Multicenter Evaluation of the Accelerate PhenoTest BC Kit for Rapid Identification and Phenotypic Antimicrobial Susceptibility Testing Using Morphokinetic Cellular Analysis

Donna M. Wolk, Neelam Dhiman, Preeti Pancholi, 2018, Journal of Clinical Microbiology.

A Laboratory Medicine Best Practices Systematic Review and Meta-analysis of Nucleic Acid Amplification Tests (NAATs) and Algorithms Including NAATs for the Diagnosis of Clostridioides (Clostridium) difficile in Adults

Matthew L. Rubinstein, S. Richter, P. Gilligan, 2019, Clinical Microbiology Reviews.

Can Ceftazidime-Avibactam and Aztreonam Overcome β-Lactam Resistance Conferred by Metallo-β-Lactamases in Enterobacteriaceae?

R. Humphries, V. Fowler, R. Bonomo, 2017, Antimicrobial Agents and Chemotherapy.

New Delhi Metallo-β-Lactamase (NDM-1)-Producing Klebsiella pneumoniae: Case Report and Laboratory Detection Strategies

R. Humphries, J. Hindler, B. Limbago, 2011, Journal of Clinical Microbiology.

Point-Counterpoint: Reflex Cultures Reduce Laboratory Workload and Improve Antimicrobial Stewardship in Patients Suspected of Having Urinary Tract Infections

R. Humphries, J. Dien Bard, 2015, Journal of Clinical Microbiology.

Practical Comparison of the BioFire FilmArray Pneumonia Panel to Routine Diagnostic Methods and Potential Impact on Antimicrobial Stewardship in Adult Hospitalized Patients with Lower Respiratory Tract Infections

R. Humphries, N. Ledeboer, S. Windham, 2020, Journal of Clinical Microbiology.

Performance of ceftriaxone susceptibility testing on the Accelerate Pheno® system of ESBL-producing isolates.

R. Humphries, A. A. Bhalodi, Paul Magnano, 2020, Diagnostic microbiology and infectious disease.

Lipopolysaccharide Renders Transgenic Mice Expressing Human Serum Amyloid P Component Sensitive to Shiga Toxin 2

R. Hancock, G. Armstrong, R. Humphries, 2011, PloS one.

Selection of hyperproduction of AmpC and SME-1 in a carbapenem-resistant Serratia marcescens isolate during antibiotic therapy

R. Humphries, P. Hemarajata, K. Bush, 2018, The Journal of antimicrobial chemotherapy.

PRO: Testing for ESBL production is necessary for ceftriaxone-non-susceptible Enterobacterales: perfect should not be the enemy of progress

R. Humphries, P. Tamma, 2021, JAC-antimicrobial resistance.

Improving outcomes and antibiotic stewardship (IOAS) for patients with Gram-positive bloodstream infections through use of rapid testing: a quasi-experimental multicentre study of the Accelerate PhenoTest™ BC Kit

R. Humphries, D. Ince, B. Ford, 2021, The Journal of antimicrobial chemotherapy.

Evaluation of the Vitek 2, Phoenix, and MicroScan for Antimicrobial Susceptibility Testing of Stenotrophomonas maltophilia

R. Humphries, C. Arias, J. Dien Bard, 2021, Journal of clinical microbiology.

Multicenter evaluation of the RAPIDEC® CARBA NP assay for the detection of carbapenemase production in clinical isolates of Enterobacterales and Pseudomonas aeruginosa

Meghan A. Wallace, S. Richter, R. Humphries, 2020, European Journal of Clinical Microbiology & Infectious Diseases.

Verification Is an Integral Part of Antimicrobial Susceptibility Test Quality Assurance

R. Humphries, P. Simner, 2020, Journal of Clinical Microbiology.

Evaluation of Surrogate Tests for the Presence of mecA-Mediated Methicillin Resistance in Staphylococcus capitis, Staphylococcus haemolyticus, Staphylococcus hominis, and Staphylococcus warneri

R. Humphries, T. Dingle, C. Burnham, 2020, Journal of Clinical Microbiology.

Improbable Results of Urine Isolate Antimicrobial Susceptibility Testing

R. Humphries, P. Edelstein, 2020, Antimicrobial Agents and Chemotherapy.

Evaluation of the Accelerate Pheno System for Identification of Acinetobacter Clinical Isolates and Minocycline Susceptibility Testing

R. Humphries, Y. Doi, Sarah L. Bowler, 2019, Journal of Clinical Microbiology.

Evaluation of Ciprofloxacin and Levofloxacin Disk Diffusion and Etest Using the 2019 Enterobacteriaceae CLSI Breakpoints

R. Humphries, J. Hindler, S. Campeau, 2018, Journal of Clinical Microbiology.

Multicenter Evaluation of the Etest Gradient Diffusion Method for Ceftolozane-Tazobactam Susceptibility Testing of Enterobacteriaceae and Pseudomonas aeruginosa

A. Bailey, R. Humphries, J. Hindler, 2018, Journal of Clinical Microbiology.

Variability of Daptomycin MIC Values for Enterococcus faecium When Measured by Reference Broth Microdilution and Gradient Diffusion Tests

R. Humphries, P. Hemarajata, C. Arias, 2018, Antimicrobial Agents and Chemotherapy.

Direct-from-Blood-Culture Disk Diffusion To Determine Antimicrobial Susceptibility of Gram-Negative Bacteria: Preliminary Report from the Clinical and Laboratory Standards Institute Methods Development and Standardization Working Group

B. Zimmer, M. Weinstein, Robin Patel, 2018, Journal of Clinical Microbiology.

Resistance to Ceftazidime-Avibactam Is Due to Transposition of KPC in a Porin-Deficient Strain of Klebsiella pneumoniae with Increased Efflux Activity

A. Kasarskis, G. Weinstock, R. Sebra, 2017, Antimicrobial Agents and Chemotherapy.

Performance of Ceftolozane-Tazobactam Etest, MIC Test Strips, and Disk Diffusion Compared to Reference Broth Microdilution for β-Lactam-Resistant Pseudomonas aeruginosa Isolates

R. Humphries, J. Hindler, Shelley A. Miller, 2017, Journal of Clinical Microbiology.

Use of Ancillary Carbapenemase Tests To Improve Specificity of Phenotypic Definitions for Carbapenemase-Producing Enterobacteriaceae

R. Humphries, J. Hindler, Shelley A. Miller, 2017, Journal of Clinical Microbiology.

Evaluation of Oxacillin and Cefoxitin Disk Diffusion and MIC Breakpoints Established by the Clinical and Laboratory Standards Institute for Detection of mecA-Mediated Oxacillin Resistance in Staphylococcus schleiferi

R. Humphries, J. Hindler, L. Westblade, 2017, Journal of Clinical Microbiology.

Multisite Evaluation of Cepheid Xpert Carba-R Assay for Detection of Carbapenemase-Producing Organisms in Rectal Swabs

R. Humphries, J. Hindler, R. Cantón, 2016, Journal of Clinical Microbiology.

Laboratory Evaluation of a Smartphone-Based Electronic Reader of Rapid Dual Point-of-Care Tests for Antibodies to Human Immunodeficiency Virus and Treponema pallidum Infections

Kelika A. Konda, R. Humphries, J. Klausner, 2017, Sexually transmitted diseases.

Implementation of a Large System-Wide Hepatitis C Virus Screening and Linkage to Care Program for Baby Boomers

R. Humphries, J. Klausner, S. Saab, 2017, Open forum infectious diseases.

Update on Susceptibility Testing: Genotypic and Phenotypic Methods.

R. Humphries, 2020, Clinics in laboratory medicine.

Diagnosis of Fatal Human Case of St. Louis Encephalitis Virus Infection by Metagenomic Sequencing, California, 2016

P. Vespa, L. Coffey, R. Humphries, 2017, Emerging infectious diseases.

Bergeyella zoohelcum Associated with Abscess and Cellulitis After a Dog Bite.

R. Humphries, L. Westblade, R. Jerris, 2016, The Pediatric infectious disease journal.

Francisella philomiragia Bacteremia in a Patient with Acute Respiratory Insufficiency and Acute-on-Chronic Kidney Disease

R. Humphries, R. Relich, B. Schmitt, 2015, Journal of Clinical Microbiology.

Antimicrobial susceptibility testing of bacteria that cause gastroenteritis.

R. Humphries, A. Schuetz, 2015, Clinics in laboratory medicine.

Considerations for Assessment and Deployment of Rapid Antigen Tests for Diagnosis of Coronavirus Disease 2019

C. Ginocchio, R. Humphries, N. Pollock, 2021, Open forum infectious diseases.

Considerations for Assessment and Deployment of Rapid Antigen Tests for Diagnosis of COVID-19

C. Ginocchio, R. Humphries, N. Pollock, 2021 .

The emerging problem of linezolid-resistant Staphylococcus.

R. Humphries, J. Hindler, T. Kelesidis, 2013, The Journal of antimicrobial chemotherapy.

A Current Perspective on Daptomycin for the Clinical Microbiologist

R. Humphries, S. Pollett, G. Sakoulas, 2013, Clinical Microbiology Reviews.

The Fluoroquinolones: An Update for the Clinical Microbiologist

R. Humphries, A. Maris, Perceus Mody, 2021, Clinical Microbiology Newsletter.

Time to Result for Pathogen Identification and Antimicrobial Susceptibility Testing of Bronchoalveolar Lavage and Endotracheal Aspirate Specimens in U.S. Acute Care Hospitals

R. Humphries, S. MacVane, N. Oppermann, 2020, Journal of Clinical Microbiology.

Diagnosis of Bacterial Gastroenteritis

R. Humphries, A. Linscott, 2014 .

Clinical and Infection Prevention Applications of SARS-CoV-2 Genotyping: An IDSA/ASM Consensus Review Document.

R. Humphries, K. Hanson, D. Pillai, 2021, Clinical infectious diseases : an official publication of the Infectious Diseases Society of America.

Comparison of the AmpliVue, BD Max System, and illumigene Molecular Assays for Detection of Group B Streptococcus in Antenatal Screening Specimens

R. Humphries, Shelley A. Miller, E. Deák, 2015, Journal of Clinical Microbiology.

Performance of Etest and Disk Diffusion for Detection of Ciprofloxacin and Levofloxacin Resistance in Salmonella enterica

R. Humphries, J. Hindler, R. Skov, 2014, Journal of Clinical Microbiology.

In vitro susceptibility testing of fluoroquinolone activity against Salmonella: recent changes to CLSI standards.

F. Aarestrup, R. Humphries, J. Hindler, 2012, Clinical infectious diseases : an official publication of the Infectious Diseases Society of America.

Sticky situation: localized adherence of enteropathogenic Escherichia coli to the small intestine epithelium.

G. Armstrong, R. Humphries, 2010, Future microbiology.

N‐acetyllactosamine‐induced retraction of bundle‐forming pili regulates virulence‐associated gene expression in enteropathogenic Escherichia coli

M. Surette, G. Armstrong, R. Humphries, 2010, Molecular microbiology.

Interactions of Enteropathogenic Escherichia coli with Pediatric and Adult Intestinal Biopsy Specimens during Early Adherence

G. Armstrong, R. Humphries, G. Mulvey, 2009, Infection and Immunity.

From alpha to beta: identification of amino acids required for the N‐acetyllactosamine‐specific lectin‐like activity of bundlin

G. Armstrong, R. Humphries, J. Strecker, 2009, Molecular microbiology.

Performance of Vitek 2 for Antimicrobial Susceptibility Testing of Staphylococcus spp. and Enterococcus spp

R. Humphries, J. Hindler, A. Bobenchik, 2013, Journal of Clinical Microbiology.

Should laboratories test methicillin-resistant Staphylococcus aureus for elevated vancomycin minimum inhibitory concentrations by Etest as a driver of treatment changes?

R. Humphries, J. Hindler, 2012, Clinical infectious diseases : an official publication of the Infectious Diseases Society of America.

Frequency of Susceptibility Testing for Patients with Persistent Methicillin-Resistant Staphylococcus aureus Bacteremia

R. Humphries, J. Hindler, T. Kelesidis, 2013, Journal of Clinical Microbiology.

Susceptibility Testing of the Polymyxins: Where Are We Now?

R. Humphries, 2015, Pharmacotherapy.

Laboratory Tests for the Diagnosis of Clostridium difficile Infections

R. Humphries, 2012 .

Daptomycin nonsusceptible enterococci: an emerging challenge for clinicians.

R. Humphries, D. Pegues, T. Kelesidis, 2011, Clinical infectious diseases : an official publication of the Infectious Diseases Society of America.

Epstein–Barr virus‐associated hemophagocytic lymphohistiocytosis in Los Angeles County

R. Humphries, D. Pegues, J. Currier, 2012, Journal of medical virology.

A real-time quantitative PCR assay for evaluating Clostridium difficile adherence to differentiated intestinal Caco-2 cells.

G. Armstrong, R. Humphries, T. Dingle, 2010, Journal of medical microbiology.

Performance of Etest for Antimicrobial Susceptibility Testing of Abiotrophia defectiva and Granulicatella Species

R. Humphries, J. Hindler, M. O. Alberti, 2016, Journal of Clinical Microbiology.

Antimicrobial Susceptibilities of Abiotrophia defectiva, Granulicatella adiacens, and Granulicatella elegans

R. Humphries, J. Hindler, M. O. Alberti, 2015, Antimicrobial Agents and Chemotherapy.

Performance of Clostridium difficile Toxin Enzyme Immunoassay and Nucleic Acid Amplification Tests Stratified by Patient Disease Severity

R. Humphries, D. Uslan, Zachary A. Rubin, 2012, Journal of Clinical Microbiology.

Clinical and Infection Prevention Applications of Severe Acute Respiratory Syndrome Coronavirus 2 Genotyping: An Infectious Diseases Society of America/American Society for Microbiology Consensus Review Document

R. Humphries, K. Hanson, D. Pillai, 2021, Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America.

Development of Daptomycin Susceptibility Breakpoints for Enterococcus faecium and Revision of the Breakpoints for other Enterococcal species by the Clinical and Laboratory Standards Institute.

M. Weinstein, R. Humphries, J. Jorgensen, 2019, Clinical infectious diseases : an official publication of the Infectious Diseases Society of America.

The New, New Daptomycin Breakpoint for Enterococcus spp

R. Humphries, 2019, Journal of Clinical Microbiology.

Pharmacodynamics of Daptomycin against Enterococcus faecium and Enterococcus faecalis in the Murine Thigh Infection Model

R. Humphries, D. Nicolau, Kamilia Abdelraouf, 2018, Antimicrobial Agents and Chemotherapy.

Ceftaroline Restores Daptomycin Activity against Daptomycin-Nonsusceptible Vancomycin-Resistant Enterococcus faecium

V. Nizet, R. Humphries, J. Pogliano, 2013, Antimicrobial Agents and Chemotherapy.

EUCAST disc diffusion criteria for the detection of mecA-Mediated β-lactam resistance in Staphylococcus pseudintermedius: oxacillin versus cefoxitin.

R. Humphries, L. Westblade, L. Guardabassi, 2019, Clinical microbiology and infection : the official publication of the European Society of Clinical Microbiology and Infectious Diseases.

Group B Streptococcus dynamics in the United States.

R. Humphries, 2020, Clinical infectious diseases : an official publication of the Infectious Diseases Society of America.

Real-World Impact of the Accelerate PhenoTest BC Kit on Patients With Bloodstream Infections in the Improving Outcomes and Antimicrobial Stewardship Study: A Quasiexperimental Multicenter Study

R. Humphries, D. Ince, B. Ford, 2021, Clinical infectious diseases : an official publication of the Infectious Diseases Society of America.

Overview of Changes to the Clinical and Laboratory Standards Institute Performance Standards for Antimicrobial Susceptibility Testing, M100, 31st Edition

R. Humphries, J. Hindler, A. Schuetz, 2021, Journal of clinical microbiology.

Graft Loss and CLAD-Onset Is Hastened by Viral Pneumonia After Lung Transplantation

R. Humphries, C. Tseng, J. Belperio, 2016, Transplantation.

First Report of Ventriculoperitoneal Shunt Infection due to Cyberlindnera fabianii

R. Humphries, P. Hemarajata, T. Kelesidis, 2015, Case reports in infectious diseases.

In Vitro Activity of Daptomycin in Combination with β-Lactams, Gentamicin, Rifampin, and Tigecycline against Daptomycin-Nonsusceptible Enterococci

V. Nizet, R. Humphries, J. Hindler, 2015, Antimicrobial Agents and Chemotherapy.

Evolution and Transmission of Carbapenem-Resistant Klebsiella pneumoniae Expressing the bla OXA-232 Gene During an Institutional Outbreak Associated With Endoscopic Retrograde Cholangiopancreatography

A. Kasarskis, R. Sebra, R. Humphries, 2017, Clinical infectious diseases : an official publication of the Infectious Diseases Society of America.

Fluoroquinolone Resistance in Salmonella and the Utility of Perﬂoxacin Disk Diffusion

R. Humphries, J. Hindler, G. Kahlmeter, 2015 .

Detection of Intestinal Protozoa in the Clinical Laboratory

R. Humphries, M. Couturier, I. Mchardy, 2013, Journal of Clinical Microbiology.

Colistin MIC Variability by Method for Contemporary Clinical Isolates of Multidrug-Resistant Gram-Negative Bacilli

R. Humphries, J. Hindler, 2013, Journal of Clinical Microbiology.

Successful treatment of pan-resistant Klebsiella pneumoniae pneumonia and bacteraemia with a combination of high-dose tigecycline and colistin.

R. Humphries, T. Kelesidis, J. Dien Bard, 2010, Journal of medical microbiology.

Staphylococcus saprophyticus Bacteremia in a Pediatric Patient with Central Venous Catheter-Associated Infection

R. Humphries, P. Hemarajata, L. Ramirez-Avila, 2016 .

Clinical and Microbiological Aspects of β-Lactam Resistance in Staphylococcus lugdunensis

R. Humphries, J. Hindler, K. Bruxvoort, 2016, Journal of Clinical Microbiology.

Aerococcus urinae and Trimethoprim-Sulfamethoxazole

R. Humphries, J. Hindler, Courtney Lee, 2011, Journal of Clinical Microbiology.

Practical Guidance for Clinical Microbiology Laboratories: Diagnosis of Bacterial Gastroenteritis

R. Humphries, A. Linscott, Romney M. Humphries, 2015, Clinical Microbiology Reviews.

Variability of Beta-Lactam Broth Microdilution for Pseudomonas aeruginosa

R. Humphries, S. Campeau, A. A. Bhalodi, 2021, Antimicrobial agents and chemotherapy.

Emerging Resistance, New Antimicrobial Agents … but No Tests! The Challenge of Antimicrobial Susceptibility Testing in the Current US Regulatory Landscape.

R. Humphries, J. Hindler, R M Humphries, 2016, Clinical infectious diseases : an official publication of the Infectious Diseases Society of America.

Clinical Outcomes of Patients Receiving Fluoroquinolones to Treat Bacteremia Caused by Enterobacteriaceae Isolates Considered Intermediate or Resistant to These Agents According to the Recently Revised Susceptibility Testing Standards by the Clinical and Laboratory Standards Institute (CLSI).

R. Humphries, D. Uslan, L. Tulloch, 2017 .

Gram stain to the rescue: a case report of cerebral phaeohyphomycosis by Cladophialophora bantiana in an immunocompetent 24-year-old

R. Humphries, M. Lionakis, K. Bloch, 2022, BMC Infectious Diseases.

Clinical Metagenomic Sequencing for Diagnosis of Meningitis and Encephalitis.

Doug Stryke, Jeffrey M Gelfand, Joseph L DeRisi, 2019, The New England journal of medicine.

Anticipating the Unpredictable: A Review of Antimicrobial Stewardship and Acinetobacter Infections

R. Humphries, E. Goldstein, E. Wenzler, 2017, Infectious Diseases and Therapy.

In Vitro Antimicrobial Susceptibility of Aerococcus urinae

R. Humphries, J. Hindler, 2014, Journal of Clinical Microbiology.

Investigation of a suspected nosocomial transmission of blaKPC3-mediated carbapenem-resistant Klebsiella pneumoniae by whole genome sequencing.

R. Humphries, J. Hindler, P. Hemarajata, 2016, Diagnostic microbiology and infectious disease.

Ceftazidime/avibactam resistance associated with L169P mutation in the omega loop of KPC-2

R. Humphries, P. Hemarajata, 2019, The Journal of antimicrobial chemotherapy.

One Size Fits All? Application of Susceptible-Dose-Dependent Breakpoints to Pediatric Patients and Laboratory Reporting

R. Humphries, Aimee M. Dassner, Jennifer E. Girotto, 2019, Journal of Clinical Microbiology.

CIM City: the Game Continues for a Better Carbapenemase Test

R. Humphries, 2019, Journal of Clinical Microbiology.

Clinical laboratory detection of carbapenem-resistant and carbapenemase-producing Enterobacteriaceae

R. Humphries, Shelley A. Miller, S. Miller, 2016, Expert review of anti-infective therapy.

Multicenter Evaluation of the BioFire FilmArray Pneumonia/Pneumonia Plus Panel for Detection and Quantification of Agents of Lower Respiratory Tract Infection

R. Humphries, S. Windham, J. Dien Bard, 2020, Journal of Clinical Microbiology.

A Cost Analysis of Gyrase A Testing and Targeted Ciprofloxacin Therapy Versus Recommended 2-Drug Therapy for Neisseria gonorrhoeae Infection

Eddy R. Segura, R. Humphries, J. Klausner, 2018, Sexually transmitted diseases.

Precision of Vancomycin and Daptomycin MICs for Methicillin-Resistant Staphylococcus aureus and Effect of Subculture and Storage

R. Humphries, J. Hindler, J. Turnidge, 2014, Journal of Clinical Microbiology.

Clinical and Laboratory Standards Institute (CLSI) and European Committee on Antimicrobial Susceptibility Testing (EUCAST) position statements on polymyxin B and colistin clinical breakpoints.

M. Weinstein, R. Humphries, J. Turnidge, 2020, Clinical infectious diseases : an official publication of the Infectious Diseases Society of America.

Performance of ceftazidime/avibactam susceptibility testing methods against clinically relevant Gram-negative organisms

R. Humphries, E. Wenzler, C. Clancy, 2018, The Journal of antimicrobial chemotherapy.

OP-JANM180484 633..638

R. Humphries, E. Wenzler, C. Clancy, 2019 .

First Report of Ceftazidime-Avibactam Resistance in a KPC-3-Expressing Klebsiella pneumoniae Isolate

R. Humphries, J. Hindler, P. Hemarajata, 2015, Antimicrobial Agents and Chemotherapy.

Canine Staphylococcus pseudintermedius sinonasal infection in human hosts

R. Humphries, E. Kuan, J. Suh, 2016, International forum of allergy & rhinology.

Evaluation of Oxacillin and Cefoxitin Disk and MIC Breakpoints for Prediction of Methicillin Resistance in Human and Veterinary Isolates of Staphylococcus intermedius Group

Meghan A. Wallace, R. Humphries, J. Hindler, 2015, Journal of Clinical Microbiology.

A multisite implementation of a real-time polymerase chain reaction assay to predict ciprofloxacin susceptibility in Neisseria gonorrhoeae.

R. Humphries, J. Klausner, P. Hemarajata, 2019, Diagnostic microbiology and infectious disease.

Burkholderia pseudomallei: Challenges for the Clinical Microbiology Laboratory

R. Humphries, P. Hemarajata, R. Hoffman, 2016, Journal of Clinical Microbiology.

The Regional Antibiogram Is an Important Public Health Tool to Improve Empiric Antibiotic Selection, Stenotrophomonas maltophilia As A Case Example

R. Humphries, B. Schwartz, L. Miller, 2017, Open Forum Infectious Diseases.

New Delhi Metallo-β-Lactamase–producing Enterobacteriaceae, United States

R. Humphries, M. Ferraro, B. Limbago, 2013, Emerging infectious diseases.

A screen of Crohn’s disease-associated microbial metabolites identifies ascorbate as a novel metabolic inhibitor of activated human T cells

F. Bushman, C. Huttenhower, H. Vlamakis, 2018, Mucosal Immunology.

Combination therapy with daptomycin, linezolid, and rifampin as treatment option for MRSA meningitis and bacteremia.

O. Yang, R. Humphries, T. Kelesidis, 2011, Diagnostic microbiology and infectious disease.

Genotypic and Phenotypic Evaluation of the Evolution of High-Level Daptomycin Nonsusceptibility in Vancomycin-Resistant Enterococcus faecium

N. Schork, V. Nizet, R. Tewhey, 2012, Antimicrobial Agents and Chemotherapy.

A screen of Crohn’s disease-associated microbial metabolites identifies ascorbate as a novel metabolic inhibitor of activated human T cells

F. Bushman, C. Huttenhower, H. Vlamakis, 2018, Mucosal Immunology.

Activity of Ceftolozane-Tazobactam and Ceftazidime-Avibactam against Beta-Lactam-Resistant Pseudomonas aeruginosa Isolates

R. Humphries, J. Hindler, Shelley A. Miller, 2017, Antimicrobial Agents and Chemotherapy.

Ciprofloxacin-Resistant Aeromonas hydrophila Cellulitis following Leech Therapy

R. Humphries, D. Uslan, J. Deville, 2013, Journal of Clinical Microbiology.

Understanding and Addressing CLSI Breakpoint Revisions: a Primer for Clinical Laboratories

R. Humphries, J. Hindler, A. Abbott, 2019, Journal of Clinical Microbiology.

Tale of the Titers: Serologic Testing for SARS-CoV-2—Yes, No, and Maybe, With Clinical Examples From the IDSA Diagnostics Committee

R. Humphries, K. Hanson, A. O. Odom John, 2022, Open forum infectious diseases.

Building a Better Test for Piperacillin-Tazobactam Susceptibility Testing: Would that It Were So Simple (It's Complicated)

R. Humphries, A. Henderson, 2019, Journal of Clinical Microbiology.

Hepatitis E Virus–Associated Meningoencephalitis in a Lung Transplant Recipient Diagnosed by Clinical Metagenomic Sequencing

P. Vespa, R. Humphries, J. Klausner, 2017, Open forum infectious diseases.

Disk Correlates for Revised Clinical and Laboratory Standards Institute Enterobacterales Piperacillin-Tazobactam MIC Breakpoints

R. Humphries, P. Tamma, A. Mathers, 2022, Journal of clinical microbiology.

Assessing Clinical Microbiology Practice Guidelines: American Society for Microbiology Ad Hoc Committee on Evidence-Based Laboratory Medicine Practice Guidelines Assessment

R. Humphries, L. Westblade, T. Kirn, 2017, Journal of Clinical Microbiology.

Clinical impact of switching conventional enzyme immunoassay with nucleic acid amplification test for suspected Clostridium difficile-associated diarrhea.

Steven W. Johnson, R. Humphries, M. Kanatani, 2013, American journal of infection control.

Rapid Antimicrobial Susceptibility Testing Methods for Blood Cultures and Their Clinical Impact

R. Humphries, R. Banerjee, 2021, Frontiers in Medicine.

Digital Quantification of DNA Replication and Chromosome Segregation Enables Determination of Antimicrobial Susceptibility after only 15 Minutes of Antibiotic Exposure.

R. Ismagilov, R. Humphries, J. Hindler, 2016, Angewandte Chemie.

In Vitro Antimicrobial Susceptibility of Staphylococcus pseudintermedius Isolates of Human and Animal Origin

R. Humphries, J. Hindler, C. Burnham, 2016, Journal of Clinical Microbiology.

Evaluation of the NG-Test MCR-1 Lateral Flow Assay and EDTA-Colistin Broth Disk Elution Methods To Detect Plasmid-Mediated Colistin Resistance among Gram-Negative Bacterial Isolates

R. Humphries, Y. Bergman, R. Yee, 2020, Journal of Clinical Microbiology.

Multicenter Evaluation of Colistin Broth Disk Elution and Colistin Agar Test: a Report from the Clinical and Laboratory Standards Institute

R. Humphries, Y. Bergman, R. Yee, 2019, Journal of Clinical Microbiology.

Assays for Diagnosis of C . difficile Infection AmpliVue Clostridium difficile Molecular Comparison of Illumigene , Simplexa

R. Humphries, S. Miller, E. Deák, 2014 .

Comparison of Illumigene, Simplexa, and AmpliVue Clostridium difficile Molecular Assays for Diagnosis of C. difficile Infection

R. Humphries, S. Miller, E. Deák, 2013, Journal of Clinical Microbiology.

Unusual carbapenem resistant but ceftriaxone and cefepime susceptible Klebsiella oxytoca isolated from a blood culture: Case report and whole-genome sequencing investigation

R. Humphries, P. Hemarajata, K. Bush, 2017, IDCases.

Resistance to Ceftazidime-Avibactam in Klebsiella pneumoniae Due to Porin Mutations and the Increased Expression of KPC-3

R. Humphries, P. Hemarajata, 2017, Antimicrobial Agents and Chemotherapy.

Risk Factors for Development of Carbapenem Resistance Among Gram-Negative Rods

D. Bell, R. Humphries, K. Watson, 2019, Open forum infectious diseases.

Multicenter Evaluation of a Modified Cefoxitin Disk Diffusion Method and PBP2a Testing To Predict mecA-Mediated Oxacillin Resistance in Atypical Staphylococcus aureus

S. Richter, Robin Patel, R. Humphries, 2016, Journal of Clinical Microbiology.

Implementation of a Rapid Genotypic Assay to Promote Targeted Ciprofloxacin Therapy of Neisseria gonorrhoeae in a Large Health System

R. Humphries, M. Siedner, M. Pandori, 2016, Clinical infectious diseases : an official publication of the Infectious Diseases Society of America.

Real-Time PCR Targeting the penA Mosaic XXXIV Type for Prediction of Extended-Spectrum-Cephalosporin Susceptibility in Clinical Neisseria gonorrhoeae Isolates

R. Humphries, J. Klausner, P. Hemarajata, 2017, Antimicrobial Agents and Chemotherapy.

Laboratory Evaluation of Three Rapid Diagnostic Tests for Dual Detection of HIV and Treponema pallidum Antibodies

Jennifer S. Woo, R. Humphries, J. Klausner, 2014, Journal of Clinical Microbiology.

Hepcidin Protects against Lethal Escherichia coli Sepsis in Mice Inoculated with Isolates from Septic Patients

R. Humphries, T. Ganz, E. Nemeth, 2018, Infection and Immunity.

Enteric Fever in a 6-Year-Old Traveler Caused by Salmonella enterica Serotypes Typhi and Paratyphi A: Laboratory Detection Strategies and Treatment Options

R. Humphries, M. Lewinski, K. Ward, 2010, Journal of Clinical Microbiology.

Performance of Vitek 2 for Antimicrobial Susceptibility Testing of Acinetobacter baumannii, Pseudomonas aeruginosa, and Stenotrophomonas maltophilia with Vitek 2 (2009 FDA) and CLSI M100S 26th Edition Breakpoints

R. Humphries, J. Hindler, A. Bobenchik, 2016, Journal of Clinical Microbiology.

Candida auris: An Emerging Yeast Pathogen Posing Distinct Challenges for Laboratory Diagnostics, Treatment, and Infection Prevention.

R. Humphries, S. Lockhart, D. J. Hata, 2019, Archives of pathology & laboratory medicine.

Twenty-first Century Cures Act and Antimicrobial Susceptibility Testing: Clinical Implications in the Era of Multidrug Resistance

R. Humphries, J. Hindler, A. Mathers, 2018, Clinical infectious diseases : an official publication of the Infectious Diseases Society of America.

New and Novel Agents Targeting Resistant Gram-Negative Bacteria: A Review for the Clinical Microbiologist

R. Humphries, S. Mitchell, 2018, Clinical Microbiology Newsletter.

Risk Factors for Colistin Resistance among Gram-Negative Rods and Klebsiella pneumoniae Isolates

K. Watson, D. Bell, R. Humphries, 2018, Journal of Clinical Microbiology.

Multicenter Evaluation of Ceftazidime-Avibactam Susceptibility Testing of Enterobacterales and Pseudomonas aeruginosa on the Vitek 2 System

R. Humphries, T. Davis, H. Dwivedi, 2020, Journal of Clinical Microbiology.

Mechanisms of Linezolid Resistance among Coagulase-Negative Staphylococci Determined by Whole-Genome Sequencing

N. Schork, R. Tewhey, R. Humphries, 2014, mBio.

Emergence of daptomycin-non-susceptible enterococci urinary tract isolates.

R. Humphries, T. Kelesidis, S. Tsiodras, 2013, Journal of medical microbiology.

Epidemiology of Neisseria gonorrhoeae Gyrase A Genotype, Los Angeles, California, USA

R. Humphries, J. Klausner, P. Hemarajata, 2017, Emerging infectious diseases.

Point-Counterpoint: Reﬂex Cultures Reduce Laboratory Workload and Improve Antimicrobial Stewardship in Patients Suspected of Having Urinary Tract Infections

R. Humphries, J. D. Bard, 2016 .

Elimination of Routine Contact Precautions for Endemic Methicillin-Resistant Staphylococcus aureus and Vancomycin-Resistant Enterococcus: A Retrospective Quasi-Experimental Study

D. Elashoff, R. Humphries, T. Grogan, 2016, Infection Control & Hospital Epidemiology.

Performance of Vitek 2 for Antimicrobial Susceptibility Testing of Enterobacteriaceae with Vitek 2 (2009 FDA) and 2014 CLSI Breakpoints

R. Humphries, J. Hindler, A. Bobenchik, 2014, Journal of Clinical Microbiology.

The Cpx envelope stress response both facilitates and inhibits elaboration of the enteropathogenic Escherichia coli bundle-forming pilus

G. Armstrong, R. Humphries, T. Raivio, 2010, Molecular microbiology.

Rapid Detection of Campylobacter Antigen by Enzyme Immunoassay Leads to Increased Positivity Rates

R. Humphries, A. Bobenchik, Carmen L. Giltner, 2012, Journal of Clinical Microbiology.

Multicenter Performance Assessment of Carba NP Test

Robin Patel, J. Mandrekar, R. Humphries, 2017, Journal of Clinical Microbiology.

Answer to May 2015 Photo Quiz

R. Humphries, Shelley A. Miller, K. Ward, 2015, Journal of Clinical Microbiology.

Answer to Photo Quiz: Methylobacterium fujisawaense

R. Humphries, Shelley A. Miller, K. Ward, 2015 .

Phenotypic and Molecular Characteristics of Carbapenem-Resistant Enterobacteriaceae in a Health Care System in Los Angeles, California, from 2011 to 2013

R. Humphries, J. Hindler, S. Miller, 2014, Journal of Clinical Microbiology.

Universal admission laboratory screening for severe acute respiratory coronavirus virus 2 (SARS-CoV-2) asymptomatic infection across a large health system

Patty W. Wright, R. Humphries, T. Talbot, 2022, Infection Control & Hospital Epidemiology.

Fluoroquinolone Prophylaxis Selects for Meropenem-nonsusceptible Pseudomonas aeruginosa in Patients With Hematologic Malignancies and Hematopoietic Cell Transplant Recipients.

R. Humphries, P. Hemarajata, R. Mettus, 2018, Clinical infectious diseases : an official publication of the Infectious Diseases Society of America.

Contemporary Considerations for Establishing Reference Methods for Antibacterial Susceptibility Testing

B. Zimmer, R. Humphries, J. Hindler, 2023, Journal of clinical microbiology.

Raising the Bar: Improving Antimicrobial Resistance Detection by Clinical Laboratories by Ensuring Use of Current Breakpoints

Rosemary C. She, Rhona J. Souers, R. Humphries, 2022, Open forum infectious diseases.

Machine-Learning Model for Prediction of Cefepime Susceptibility in Escherichia coli from Whole-Genome Sequencing Data

J. Parkhill, R. Humphries, P. Rhodes, 2023, Journal of clinical microbiology.

College of American Pathologists (CAP) Microbiology Committee Perspective: the Need for Verification Studies

R. Thomson,, B. Pritt, R. Humphries, 2020, Journal of Clinical Microbiology.

Carbapenem-Resistant Enterobacteriaceae Detection Practices in California: What Are We Missing?

R. Humphries, J. Hindler, Sam Horwich-Scholefield, 2018, Clinical infectious diseases : an official publication of the Infectious Diseases Society of America.

Impact of 21st Century Cures Act on Breakpoints and Commercial Antimicrobial Susceptibility Test Systems: Progress and Pitfalls

R. Humphries, J. Hindler, M. Ferraro, 2018, Journal of Clinical Microbiology.

Clinical and laboratory considerations for the rapid detection of carbapenem-resistant Enterobacteriaceae

R. Humphries, R. Banerjee, 2017, Virulence.

Two-Site Evaluation of the Colistin Broth Disk Elution Test To Determine Colistin In Vitro Activity against Gram-Negative Bacilli

R. Humphries, J. Hindler, P. Tamma, 2018, Journal of Clinical Microbiology.

Development of a Novel Real-Time PCR Assay with High-Resolution Melt Analysis To Detect and Differentiate OXA-48-Like β-Lactamases in Carbapenem-Resistant Enterobacteriaceae

R. Humphries, J. Hindler, P. Hemarajata, 2015, Antimicrobial Agents and Chemotherapy.

Multicenter Evaluation of an MIC-Based Aztreonam and Ceftazidime-Avibactam Broth Disk Elution Test

R. Humphries, Y. Bergman, E. Wenzler, 2023, Journal of clinical microbiology.

Evolution of high-level daptomycin resistance in Enterococcus faecium during daptomycin therapy is associated with limited mutations in the bacterial genome.

R. Tewhey, R. Humphries, T. Kelesidis, 2013, The Journal of antimicrobial chemotherapy.

De Novo Daptomycin-Nonsusceptible Enterococcal Infections

R. Humphries, D. Pegues, T. Kelesidis, 2012, Emerging infectious diseases.

Evaluation of Calcium-Enhanced Media for Colistin Susceptibility Testing by Gradient Agar Diffusion and Broth Microdilution

R. Humphries, Stephania Stump, A. Uhlemann, 2019, Journal of Clinical Microbiology.

Clinical challenges treating Stenotrophomonas maltophilia infections: an update.

D. Fouts, R. Humphries, R. Bonomo, 2022, JAC-antimicrobial resistance.

Case-Control Study Comparing De Novo and Daptomycin-Exposed Daptomycin-Nonsusceptible Enterococcus Infections

R. Humphries, D. Pegues, T. Kelesidis, 2012, Antimicrobial Agents and Chemotherapy.

Superbugs on Duodenoscopes: the Challenge of Cleaning and Disinfection of Reusable Devices

R. Humphries, G. Mcdonnell, 2015, Journal of Clinical Microbiology.

Commentary: Continuing Challenges for the Clinical Laboratory for Detection of Carbapenem-Resistant Enterobacteriaceae

R. Humphries, J. McKinnell, 2015, Journal of Clinical Microbiology.

Risk factors associated with the transmission of carbapenem-resistant Enterobacteriaceae via contaminated duodenoscopes.

R. Humphries, P. Hemarajata, V. Muthusamy, 2016, Gastrointestinal endoscopy.

First Report of Treatment of Anaerobiospirillum succiniciproducens Bloodstream Infection with Levofloxacin

R. Humphries, T. Kelesidis, J. D. Bard, 2010, Journal of Clinical Microbiology.

Evaluation of Empiric β-Lactam Susceptibility Prediction among Enterobacteriaceae by Molecular β-Lactamase Gene Testing

R. Humphries, Shawn H. MacVane, Kyle Spafford, 2019, Journal of Clinical Microbiology.

Detection of Penicillin Nonsusceptible Streptococcus agalactiae by Laboratories That Participate in the College of American Pathologist’s Proficiency Testing Program

R. Humphries, Jennifer Lu, P. Simner, 2023, Journal of clinical microbiology.

The Brief Case: Invasive Ceftriaxone-Resistant Nontyphoidal Salmonella and Antimicrobial Susceptibility Testing Considerations

R. Humphries, J. Cassat, L. Tao, 2023, Journal of clinical microbiology.

Evaluation of Piperacillin-Tazobactam Testing against Enterobacterales by the Phoenix, MicroScan, and Vitek2 Tests Using Updated Clinical and Laboratory Standards Institute Breakpoints

R. Humphries, Tsigereda Tekle, A. Mathers, 2023, Journal of clinical microbiology.

Evaluation of Piperacillin-Tazobactam ETEST for the Detection of OXA-1 Resistance Mechanism among Escherichia coli and Klebsiella pneumoniae

R. Humphries, Carmila Manuel, Richard Maynard, 2022, Journal of clinical microbiology.

A quality initiative of postoperative radiographic imaging performed on mastectomy specimens to reduce histology cost and pathology report turnaround time.

R. Humphries, Dawn C Ward, S. Apple, 2015, Annals of diagnostic pathology.

Clinical and Infection Prevention Applications of SARS-CoV-2 Genotyping: an IDSA/ASM Consensus Review Document.

R. Humphries, K. Hanson, D. Pillai, 2021, Journal of clinical microbiology.

Effective implementation of the Accelerate Pheno™ system for positive blood cultures

R. Humphries, Tiziana Di Martino, 2019, The Journal of antimicrobial chemotherapy.

Use of Rapid Diagnostic Tests for Diagnosis of Malaria in the United States

R. Humphries, A. Bobenchik, Robyn Shimizu-Cohen, 2012, Journal of Clinical Microbiology.

Correction for Kraft et al., “A Laboratory Medicine Best Practices Systematic Review and Meta-analysis of Nucleic Acid Amplification Tests (NAATs) and Algorithms Including NAATs for the Diagnosis of Clostridioides (Clostridium) difficile in Adults”

Matthew L. Rubinstein, S. Richter, P. Gilligan, 2019, Clinical Microbiology Reviews.

New Delhi Metallo-β-Lactamase–producing Enterobacteriaceae, United States

R. Humphries, M. Ferraro, B. Limbago, 2013, Emerging infectious diseases.

Methods for antimicrobial dilution and disk susceptibility testing of infrequently isolated or fastidious bacteria; approved guideline

Samir N. Patel, Clinical, S. Richter, 2006 .

Establishing diagnosis of Haemophilus parainfluenzae as etiology of culture-negative endocarditis using DNA sequence analysis on tissue specimen.

R. Humphries, T. Kelesidis, M. Lewinski, 2011, American Journal of Medicine.

Reply to Pogue and Heil, “The Clinical Impact of a Negative Molecular β-Lactamase Gene Test for Enterobacteriaceae: Let's Not Let Perfect Be the Enemy of Really Good”

R. Humphries, Shawn H. MacVane, Kyle Spafford, 2020, Journal of Clinical Microbiology.

Risk factors for development of aminoglycoside resistance among gram-negative rods.

K. Watson, D. Bell, R. Humphries, 2019, American journal of health-system pharmacy : AJHP : official journal of the American Society of Health-System Pharmacists.

Breaking Down the Breakpoints: Rationale for the 2022 Clinical and Laboratory Standards Institute Revised Piperacillin-Tazobactam Breakpoints Against Enterobacterales.

R. Humphries, P. Tamma, A. Mathers, 2022, Clinical infectious diseases : an official publication of the Infectious Diseases Society of America.

Performance of Antipseudomonal β-Lactams on the Accelerate PhenoTest BC Kit against a Collection of Pseudomonas aeruginosa Isolates

R. Humphries, A. A. Bhalodi, N. Oppermann, 2020, Journal of Clinical Microbiology.

To Test, Perchance to Diagnose: Practical Strategies for Severe Acute Respiratory Syndrome Coronavirus 2 Testing

A. Caliendo, C. Ginocchio, R. Humphries, 2021, Open forum infectious diseases.

The Changing Epidemiology of Methicillin-Resistant Staphylococcus aureus in Pediatric Wound Cultures

R. Humphries, J. Deville, 2013, Clinical pediatrics.

Phenotypic and Molecular Characteristics of Carbapenem-Resistant Enterobacteriaceae in a Health Care System in Los Angeles, California, from 2011 to 2013

R. Humphries, J. Hindler, D. Uslan, 2014, Journal of Clinical Microbiology.

R. Humphries, P. Hemarajata, G. Aldrovandi, 2017, Clinical infectious diseases : an official publication of the Infectious Diseases Society of America.

Considerations from the College of American Pathologists for Implementation of an Assay for SARS-CoV-2 Testing after a Change in Regulatory Status

Rosemary C. She, R. Humphries, D. Peaper, 2021, Journal of clinical microbiology.

Photo Quiz: A 46-Year-Old Man with a Lung Mass and History of Hemoptysis

Robin Patel, R. Humphries, J. Hindler, 2017, Journal of Clinical Microbiology.

Sticky situation: localized adherence of enteropathogenic Escherichia coli to the small intestine epithelium.

G. Armstrong, R. Humphries, 2010, Future microbiology.

False positive congenital cytomegalovirus saliva screening results with an FDA-approved assay at two institutions.

R. Humphries, M. Doud, D. Rhoads, 2023, Journal of Clinical Virology.

Public Health Efforts Can Impact Adoption of Current Susceptibility Breakpoints, but Closer Attention from Regulatory Bodies Is Needed

R. Humphries, J. Hindler, B. Schwartz, 2018, Journal of Clinical Microbiology.

Commentary: Continuing Challenges for the Clinical Laboratory for Detection of Carbapenem-Resistant Enterobacteriaceae

R. Humphries, J. McKinnell, 2015, Journal of Clinical Microbiology.