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Your search keyword '"Karlsson, Maria A."' showing total 15 results
Start Over Author "Karlsson, Maria A." Journal antimicrobial agents and chemotherapy
15 results on '"Karlsson, Maria A."'

1. Whole-Genome Sequencing Reveals Diversity of Carbapenem-Resistant Pseudomonas aeruginosa Collected through CDC’s Emerging Infections Program, United States, 2016–2018

Author

Stanton, Richard A., primary, Campbell, Davina, additional, McAllister, Gillian A., additional, Breaker, Erin, additional, Adamczyk, Michelle, additional, Daniels, Jonathan B., additional, Lutgring, Joseph D., additional, Karlsson, Maria, additional, Schutz, Kyle, additional, Jacob, Jesse T., additional, Wilson, Lucy E., additional, Vaeth, Elisabeth, additional, Li, Linda, additional, Lynfield, Ruth, additional, Snippes Vagnone, Paula M., additional, Phipps, Erin C., additional, Hancock, Emily B., additional, Dumyati, Ghinwa, additional, Tsay, Rebecca, additional, Cassidy, P. Maureen, additional, Mounsey, Jacquelyn, additional, Grass, Julian E., additional, Bulens, Sandra N., additional, Walters, Maroya Spalding, additional, and Halpin, Alison Laufer, additional

Published
2022
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2. Detection and Characterization of Targeted Carbapenem-Resistant Health Care-Associated Threats: Findings from the Antibiotic Resistance Laboratory Network, 2017 to 2019

Author

Sabour, Sarah, primary, Huang, Jennifer Y., additional, Bhatnagar, Amelia, additional, Gilbert, Sarah E., additional, Karlsson, Maria, additional, Lonsway, David, additional, Lutgring, Joseph D., additional, Rasheed, J. Kamile, additional, Halpin, Alison Laufer, additional, Stanton, Richard A., additional, Gumbis, Stephanie, additional, Elkins, Christopher A., additional, and Brown, Allison C., additional

Published
2021
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3. Characterization of the First Carbapenem-Resistant Pseudomonas aeruginosa Clinical Isolate Harboring bla SIM-1 from the United States

Author

Prussing, Catharine, primary, Canulla, Theresa, additional, Singh, Navjot, additional, McAuley, Patricia, additional, Gosciminski, Michael, additional, King, Ewa, additional, Bandy, Utpala, additional, Machado, María-José, additional, Karlsson, Maria, additional, Musser, Kimberlee A., additional, Huard, Richard C., additional, and Nazarian, Elizabeth J., additional

Published
2021
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4. Aztreonam-Avibactam Susceptibility Testing Program for Metallo-Beta-Lactamase-Producing Enterobacterales in the Antibiotic Resistance Laboratory Network, March 2019 to December 2020

Author

Bhatnagar, Amelia, primary, Boyd, Sandra, additional, Sabour, Sarah, additional, Bodnar, Janine, additional, Nazarian, Elizabeth, additional, Peinovich, Nadine, additional, Wagner, Christine, additional, Craft, Bradley, additional, Snippes Vagnone, Paula, additional, Simpson, Justin, additional, Stone, Victoria N., additional, Therrien, Michelle, additional, Bateman, Allen, additional, Lower, Danielle, additional, Huang, Jennifer Y., additional, Gumbis, Stephanie, additional, Lonsway, David, additional, Lutgring, Joseph D., additional, Karlsson, Maria, additional, and Brown, Allison C., additional

Published
2021
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5. Antibiotic Susceptibility of NDM-Producing Enterobacterales Collected in the United States in 2017 and 2018

Author

Lutgring, Joseph D., primary, Balbuena, Rocío, additional, Reese, Natashia, additional, Gilbert, Sarah E., additional, Ansari, Uzma, additional, Bhatnagar, Amelia, additional, Boyd, Sandra, additional, Campbell, Davina, additional, Cochran, Jake, additional, Haynie, Jenn, additional, Ilutsik, Justina, additional, Longo, Cynthia, additional, Swint, Stephanie, additional, Rasheed, J. Kamile, additional, Brown, Allison C., additional, and Karlsson, Maria, additional

Published
2020
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6. Identification of a Carbapenemase-Producing Hypervirulent Klebsiella pneumoniae Isolate in the United States

Author

Karlsson, Maria, primary, Stanton, Richard A., additional, Ansari, Uzma, additional, McAllister, Gillian, additional, Chan, Monica Y., additional, Sula, Erisa, additional, Grass, Julian E., additional, Duffy, Nadezhda, additional, Anacker, Melissa L., additional, Witwer, Medora L., additional, Rasheed, J. Kamile, additional, Elkins, Christopher A., additional, and Halpin, Alison Laufer, additional

Published
2019
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10. Antimicrobial Susceptibility to Azithromycin among Salmonella entericaIsolates from the United States

Author

Sjölund-Karlsson, Maria, Joyce, Kevin, Blickenstaff, Karen, Ball, Takiyah, Haro, Jovita, Medalla, Felicita M., Fedorka-Cray, Paula, Zhao, Shaohua, Crump, John A., and Whichard, Jean M.

Abstract

ABSTRACTDue to emerging resistance to traditional antimicrobial agents, such as ampicillin, trimethoprim-sulfamethoxazole, and chloramphenicol, azithromycin is increasingly used for the treatment of invasive Salmonellainfections. In the present study, 696 isolates of non-Typhi Salmonellacollected from humans, food animals, and retail meats in the United States were investigated for antimicrobial susceptibility to azithromycin. Seventy-two Salmonella entericaserotype Typhi isolates from humans were also tested. For each isolate, MICs of azithromycin and 15 other antimicrobial agents were determined by broth microdilution. Among the non-Typhi Salmonellaisolates, azithromycin MICs among human isolates ranged from 1 to 32 μg/ml, whereas the MICs among the animal and retail meat isolates ranged from 2 to 16 μg/ml and 4 to 16 μg/ml, respectively. Among Salmonellaserotype Typhi isolates, the azithromycin MICs ranged from 4 to 16 μg/ml. The highest MIC observed in the present study was 32 μg/ml, and it was detected in three human isolates belonging to serotypes Kentucky, Montevideo, and Paratyphi A. Based on our findings, we propose an epidemiological cutoff value (ECOFF) for wild-type Salmonellaof ≤16 μg/ml of azithromycin. The susceptibility data provided could be used in combination with clinical outcome data to determine tentative clinical breakpoints for azithromycin and Salmonella enterica.

Published
2011
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11. Aztreonam-Avibactam Susceptibility Testing Program for Metallo-Beta-Lactamase-Producing Enterobacteralesin the Antibiotic Resistance Laboratory Network, March 2019 to December 2020

Author

Bhatnagar, Amelia, Boyd, Sandra, Sabour, Sarah, Bodnar, Janine, Nazarian, Elizabeth, Peinovich, Nadine, Wagner, Christine, Craft, Bradley, Snippes Vagnone, Paula, Simpson, Justin, Stone, Victoria N., Therrien, Michelle, Bateman, Allen, Lower, Danielle, Huang, Jennifer Y., Gumbis, Stephanie, Lonsway, David, Lutgring, Joseph D., Karlsson, Maria, and Brown, Allison C.

Abstract

Aztreonam-avibactam is a drug combination pending phase 3 clinical trials and is suggested for treatment of severe infections caused by metallo-beta-lactamase (MBL)-producing Enterobacteralesby combining ceftazidime-avibactam and aztreonam. Beginning in 2019, four Antibiotic Resistance Laboratory Network regional laboratories offered aztreonam-avibactam susceptibility testing by broth microdilution.

Published
2021
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12. Emergence of Plasmid-Mediated Quinolone Resistance among Non-Typhi Salmonella entericaIsolates from Humans in the United States

Author

Sjölund-Karlsson, Maria, Folster, Jason P., Pecic, Gary, Joyce, Kevin, Medalla, Felicita, Rickert, Regan, and Whichard, Jean M.

Abstract

ABSTRACTPlasmid-mediated quinolone resistance determinants are emerging among gram-negative pathogens. Here we report results of a retrospective study investigating the prevalence of aac(6′)-Ib-cr, qepA, and qnrgenes among 19,010 human isolates of non-Typhi Salmonella entericacollected in the United States from 1996 to 2006.

Published
2009
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13. Antibiotic Susceptibility of NDM-Producing EnterobacteralesCollected in the United States in 2017 and 2018

Author

Lutgring, Joseph D., Balbuena, Rocío, Reese, Natashia, Gilbert, Sarah E., Ansari, Uzma, Bhatnagar, Amelia, Boyd, Sandra, Campbell, Davina, Cochran, Jake, Haynie, Jenn, Ilutsik, Justina, Longo, Cynthia, Swint, Stephanie, Rasheed, J. Kamile, Brown, Allison C., and Karlsson, Maria

Abstract

The treatment of infections caused by carbapenem-resistant Enterobacterales, especially New Delhi metallo-β-lactamase (NDM)-producing bacteria, is challenging. Although less common in the United States than some other carbapenemase producers, NDM-producing bacteria are a public health threat due to the limited treatment options available. Here, we report on the antibiotic susceptibility of 275 contemporary NDM-producing Enterobacteralescollected from 30 U.

Published
2020
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14. Identification of a Carbapenemase-Producing Hypervirulent Klebsiella pneumoniaeIsolate in the United States

Author

Karlsson, Maria, Stanton, Richard A., Ansari, Uzma, McAllister, Gillian, Chan, Monica Y., Sula, Erisa, Grass, Julian E., Duffy, Nadezhda, Anacker, Melissa L., Witwer, Medora L., Rasheed, J. Kamile, Elkins, Christopher A., and Halpin, Alison Laufer

Abstract

We report on a carbapenemase-producing hypervirulent Klebsiella pneumoniae(CP-hvKP) isolate collected from a U.S. patient at an outpatient clinic.

Published
2019
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