Silver Lining of Shortages: Blood Culture Best Practices
Dr. Jeannette Bouchard is joined by experts Dr. Romney Humphries, Emily Fox, and Matt Miller to discuss the hot topic of blood culture stewardship and the details of how these experts persevered through the recent blood culture bottle shortage that caused chaos throughout health care institutions at the end of 2024! This medical education was provided by an education grant from bioMerieux.
References:
Fabre BCx Stewardship Article doi: 10.1128/JCM.01005-21
ED Bcx Stewardship doi: 10.1016/j.ajic.2024.04.198
CT Surgery Stewardship doi: 10.1093/icvts/ivaf005
Every Crisis is an Opportunity doi: 10.1093/ofid/ofae479
Fun IV Coconut Water from I Feel Nerdy section: https://dr-martins.com/wp-content/uploads/2015/07/2000_the-intravenous-use-of-coconut-water.pdf
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1:05:34
#114 – Dosing Consult: Amoxicillin/Clavulanate
Drs. Pier Giorgio Cojutti and Navaneeth Narayanan join Dr. Megan Klatt to break down what you need to know about amoxicillin/clavulanate dosing. Tune in to learn more about the PK/PD of amoxicillin and clavulanic acid, how we landed on certain ratios for the treatment of common infections, strategies to optimize dosing for serious infections, and more!
References:
Oral amoxicillin and amoxicillin-clavulanic acid: properties, indications and usage. Clin Microbiol Infect. 2020 Jul;26(7):871-879. doi: 10.1016/j.cmi.2019.11.028. Epub 2019 Dec 4. PMID: 31811919.
New formulations of amoxicillin/clavulanic acid: a pharmacokinetic and pharmacodynamic review. Clin Pharmacokinet. 2005;44(11):1097-115. doi: 10.2165/00003088-200544110-00001. PMID: 16231964.
Non-linear absorption pharmacokinetics of amoxicillin: consequences for dosing regimens and clinical breakpoints. J Antimicrob Chemother. 2016 Oct;71(10):2909-17. doi: 10.1093/jac/dkw226. Epub 2016 Jun 20. PMID: 27330071.
Augmentin (amoxicillin/clavulanate) in the treatment of community-acquired respiratory tract infection: a review of the continuing development of an innovative antimicrobial agent. J Antimicrob Chemother. 2004 Jan:53 Suppl 1:i3-20. doi: 10.1093/jac/dkh050. PMID: 14726431.
Is the standard dose of amoxicillin-clavulanic acid sufficient? BMC Pharmacol Toxicol. 2014 Jul 21:15:38. doi: 10.1186/2050-6511-15-38. PMID: 25047044.
MIC of amoxicillin/clavulanate according to CLSI and EUCAST: discrepancies and clinical impact in patients with bloodstream infections due to Enterobacteriaceae. J Antimicrob Chemother. 2017 May 1;72(5):1478-1487. doi: 10.1093/jac/dkw562. PMID: 28093484.
Amoxicillin-Clavulanate Breakpoints Against Enterobacterales: Rationale for Revision by the Clinical and Laboratory Standards Institute. Clin Infect Dis. 2024 Aug 16;79(2):516-523. doi: 10.1093/cid/ciae201. PMID: 38626241.
Amoxicillin-Clavulanate Breakpoints Against Haemophilus influenzae: Rationale for Revision by the Clinical and Laboratory Standards Institute. Clin Infect Dis. 2025 Feb 24;80(2):481-482. doi: 10.1093/cid/ciae246. PMID: 38709848.
No evidence of difference in mortality with amoxicillin versus co-amoxiclav for hospital treatment of community-acquired pneumonia. J Infect. 2024 Jun;88(6):106161. doi: 10.1016/j.jinf.2024.106161. Epub 2024 Apr 23. PMID: 38663754.
Population pharmacokinetics and dosing simulations of amoxicillin in obese adults receiving co-amoxiclav. J Antimicrob Chemother. 2020 Dec 1;75(12):3611-3618. doi: 10.1093/jac/dkaa368. PMID: 32888018.
Comprehensive guidance for antibiotic dosing in obese adults: 2022 update. Pharmacotherapy. 2023 Mar;43(3):226-246. doi: 10.1002/phar.2769. Epub 2023 Feb 18. PMID: 36703246.
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#113 – Ask ChatGPT: The Role of AI in Healthcare
Dr. Brent Richards joins Dr. Erin McCreary to discuss the growing capability for artificial intelligence (AI) and big data in the healthcare industry. What is AI and machine learning, how can these tools enhance patient care, and what can we expect in the future from this space?
Listen to Breakpoints on iTunes, Overcast, Spotify, Listen Notes, Player FM, Pocket Casts, TuneIn, Blubrry, RadioPublic, or by using our RSS feed: https://sidp.pinecast.co/.
Visit our website! https://breakpoints-sidp.org/
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#112 – Say It Ain't Steno: Stenotrophomonas maltophilia Review
Drs. Amy Mathers and Julie Ann Justo join Dr. Erin McCreary to talk all things Stenotrophomonas maltophilia, a water-loving organism and frequent colonizer. Hear from the experts on why this organism is so difficult to treat, which agents have in vitro activity, and how to optimize antimicrobial regimens, including the use of combination therapy, in the setting of true infections. This medical education was provided by an unrestricted grant from Shionogi.
References:
Infectious Diseases Society of America 2024 Guidance on the Treatment of Antimicrobial-Resistant Gram-Negative Infections. Clin Infect Dis. 2024 Aug 7:ciae403. doi: 10.1093/cid/ciae403. PMID: 39108079.
Clinical challenges treating Stenotrophomonas maltophilia infections: an update. JAC Antimicrob Resist. 2022 May 5;4(3):dlac040. doi: 10.1093/jacamr/dlac040. PMID: 35529051.
Alterations of the Oral Microbiome and Cumulative Carbapenem Exposure Are Associated With Stenotrophomonas maltophilia Infection in Patients With Acute Myeloid Leukemia Receiving Chemotherapy. Clin Infect Dis. 2021 May 4;72(9):1507-1513. doi: 10.1093/cid/ciaa778. PMID: 32544947.
An Overview of the Treatment of Less Common Non–Lactose-Fermenting Gram-Negative Bacteria. Pharmacotherapy. 2020 Sep;40(9):936-951. doi: 10.1002/phar.2447. PMID: 32687670.
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#111 – Dosing Consult: Rifampin Part 2
Drs. Henry “Chip” Chambers and Warren Rose join Dr. Megan Klatt to tackle rifampin dosing for gram-positive infections. In this episode, they break down rifampin synergy studies and discuss what is the optimal dosing of rifampin for challenging gram-positive bacterial cases, in particular Staphylococcus aureus infections with or without retained hardware/devices.
Listen to Breakpoints on iTunes, Overcast, Spotify, Listen Notes, Player FM, Pocket Casts, TuneIn, Blubrry, RadioPublic, or by using our RSS feed: https://sidp.pinecast.co/
References:
Deconstructing the Dogma: Systematic Literature Review and Meta-analysis of Adjunctive Gentamicin and Rifampin in Staphylococcal Prosthetic Valve Endocarditis. Open Forum Infect Dis. 2022 Oct 31;9(11):ofac583. doi: 10.1093/ofid/ofac583. PMID: 36408468.
Effectiveness of adjunctive rifampicin for treatment of Staphylococcus aureus bacteraemia: a systematic review and meta-analysis of randomized controlled trials. J Antimicrob Chemother. 2023 Oct 3;78(10):2419-2427. doi: 10.1093/jac/dkad214. PMID: 37583062.
Adjunctive Rifampin Following Debridement and Implant Retention for Staphylococcal Prosthetic Joint Infection: Is it Effective if not Combined With a Fluoroquinolone? Open Forum Infect Dis. 2022 Oct 31;9(12):ofac582. doi: 10.1093/ofid/ofac582. PMID: 36504699.
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