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Let's Talk Micro

Luis Plaza
Let's Talk Micro
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  • 199: Antibiotics: What’s New in Treatment
    This week, Luis is joined by Dr. Ashlan Kunz-Coyne to discuss some of the newest antibiotics for urinary tract infections (UTIs). They explore why extended-spectrum beta-lactamases (ESBLs) are a growing concern, the impact of E. coli sequence type 131, and where new agents like cefepime–enmetazobactam, sulopenem, and tebipenem fit into treatment. The conversation also highlights clinical data, stewardship considerations, and how the infectious diseases and microbiology communities can work together to preserve these options. Plus, Dr. Kunz-Coyne reveals her favorite bug—Stenotrophomonas maltophilia—and why it’s unlike any other.    Link to sulopenem episode: https://directory.libsyn.com/episode/index/id/35868135   Check out the website: https://www.letstalkmicro.com/ Questions? Feedback? Send those to [email protected] Want to support the podcast? Here's how: Venmo: https://venmo.com/u/letstalkmicro Buy me a Ko-fi: https://ko-fi.com/letstalkmicro  
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  • 198: Let’s Talk: The Evolution of AST
    Season 5 premieres today!  Antimicrobial susceptibility testing (AST) is essential for guiding effective treatment—but how has it evolved, and what challenges are we still facing? In the first episode of this series in collaboration with bioMérieux, Dr. Andrea Prinzi joins Let’s Talk Micro to explore the evolution of AST—from early methods to modern platforms like VITEK 2. We discuss the known issue of outdated breakpoints in clinical practice, the challenges with regulatory hurdles, and the impact of the 21st Century Cures Act. What is the Cures Act, and how does it affect the way breakpoints are adopted? Why are delays still happening? And most importantly—what can laboratories, organizations, and manufacturers do to drive change? Tune in to understand where we’ve been, where we are, and where we need to go in the world of AST.   This episode is sponsored by bioMérieux, a global innovator in infectious disease diagnostics.   Resources from bioMérieux: https://info.biomerieux.com/clin_us_2024_ams_handbook?utm_source=podcast&utm_medium=show-notes&utm_campaign=LetsTalkMicro Additional breakpoint links: https://doi.org/10.1128/jcm.00106-25   Check out the website: https://www.letstalkmicro.com/ Questions? Feedback? Send those to [email protected] Want to support the podcast? Here's how: Venmo: https://venmo.com/u/letstalkmicro Buy me a Ko-fi: https://ko-fi.com/letstalkmicro
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  • TBT: Talking Breakpoints with Dr. Andrea Prinzi
    This episode of Let’s Talk Micro features Dr. Andrea Prinzi, a clinical microbiologist and frequent contributor to the American Society for Microbiology. Andrea joins the podcast to discuss a critical topic in clinical microbiology: antimicrobial susceptibility testing and breakpoints. Are labs using outdated breakpoints—and what does that mean for patient care? How are breakpoints determined and updated? Dr. Prinzi breaks it all down and shares insights from her article on the subject. Tune in to learn why staying current on breakpoints matters and what steps labs can take to improve antimicrobial stewardship. This episode was originally published on May 5th, 2022.   Check out the website: https://www.letstalkmicro.com/ Link to articles: https://asm.org/Articles/2022/February/Updating-Breakpoints-in-Antimicrobial-Susceptibili https://doi.org/10.1128/jcm.00106-25   Questions? Feedback? Send those to [email protected] Want to support the podcast? Here's how: Venmo: https://venmo.com/u/letstalkmicro Buy me a Ko-fi: https://ko-fi.com/letstalkmicro  
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  • TBT: Clinical Microbiology Procedures Handbook
    The Clinical Microbiology Procedures Handbook (CMPH) has long been a trusted resource for laboratories.  With the release of its 5th edition, this essential reference continues to guide clinical microbiologists through evolving standards, methods, and best practices. In this episode, Luis is joined by the editors‑in‑chief, Dr. Amy Leber and Dr. Carey‑Ann Burnham, to explore what’s new in the latest edition, how the CMPH supports day‑to‑day work in the lab, and why it remains a cornerstone in clinical microbiology. (Originally published May 4, 2023.) Check out the website: https://www.letstalkmicro.com/ Questions? Feedback? Send those to [email protected] Want to support the podcast? Here's how: Venmo: https://venmo.com/u/letstalkmicro Buy me a Ko-fi: https://ko-fi.com/letstalkmicro  
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  • 195: Diabetic Wound Cultures: From Chaos to Clarity in the Micro Lab
    This week, Luis is joined by Dr. Christopher Doern from VCU Health to explore the complex world of diabetic wound cultures. How does diabetes impair wound healing—and what makes these infections so difficult to diagnose and treat? Dr. Doern dives into the microbiology behind diabetic foot wounds, highlighting the impact of bacterial diversity, specimen quality, and the limitations of traditional culture methods. He also shares best practices for workup strategies and antibiotic selection in these often polymicrobial infections. Link to studies mentioned in the episode: https://pubmed.ncbi.nlm.nih.gov/28669650/ https://doi.org/10.1111/j.1742-481X.2011.00937.x https://academic.oup.com/ofid/article/10/10/ofad495/7292955   Want to be added to Dr. Doern’s email list? Reach out to [email protected]   Questions? Feedback? Send those to [email protected] Want to support the podcast? Here's how: Venmo: https://venmo.com/u/letstalkmicro Buy me a Ko-fi: https://ko-fi.com/letstalkmicro  
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About Let's Talk Micro

Clinical microbiology explained in simple terms, suitable for students and microbiologists alike. We discuss organisms, reactions, infectious diseases, and more. Hosted by Luis Plaza, a Medical Laboratory Scientist and microbiologist, who also shares his experiences in the field.
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