Journals / İnfeksiyon Dergisi / 1997 / Cilt: 11 - Sayı: 3

Imipenem and cefoxitin induced resistance to beta-lactam antibiotics in pseudomonas aeruginosa

Pseudomonas aeruginosa'da beta-laktam antibiyotiklere direncin imipenem ve sefoksitin ile indüklenmesi

Pages
261–265
Publication Date
2022-11-05
DOI
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

On the other hand, only cefotaxime among the beta-lactams tested was shown to-be subject to cefoxitin-mediated antagonism.

📌 3 Key Takeaways

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Objective & Hypothesis:Induction-mediated antagonism with disk diffusion method was investigated on Pseudomonas aeruginosa.
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Key Findings & Data:For this purpose, 40 strains of P. aeruainosa isolated in the Clinical Microbiology Laboratory, Gevher Nesibe Hospital of Erciyes University, were selected.
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Conclusion & Impact:On the other hand, only cefotaxime among the beta-lactams tested was shown to-be subject to cefoxitin-mediated antagonism.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Domain Parameters

Abstract

Induction-mediated antagonism with disk diffusion method was investigated on Pseudomonas aeruginosa. For this purpose, 40 strains of P. aeruainosa isolated in the Clinical Microbiology Laboratory, Gevher Nesibe Hospital of Erciyes University, were selected. Using disk diffusion method, inhibition zones around the carbenicillin, piperacillin, aztreonam, cefoperazone, cefotaxime and ceftazidime disks were measured on two series of Mueller-Hinton agar plates containing imipenem (0.02 ng/ml) and cefoxitin (0.02 ng/ml) and on Mueller-Hinton agar without antibiotic. A significant reduction of the inhibition zones around the beta lactam disks on Mueller-Hinton agar with antibiotic compared on Mueller-Hinton agar without antibiotic was evaluated as induction-antagoism. All beta-lactams tested excluding aztreonam were shown to be subject to imipenem-mediated antagonism in the disk diffusion test. On the other hand, only cefotaxime among the beta-lactams tested was shown to-be subject to cefoxitin-mediated antagonism.

Özet

Erciyes Üniversitesi Gevher Nesibe Hastanesi Merkez Laborauvarı'nda izole edilen 40 Pseudomonas aeruainosa susunda indüklenmeye bağlı antagonizm disk difüzyon yöntemle araştırıldı. İmipenem (0.02 /ıg/ml) ve sefoksitin (0.02 ng/ml/)'li ve antibiyotiksiz Mueller-Hinton ağarda suşların karbenisilin, piperasilin, aztreonam, sefoperazon, sefotaksim ve seftazidim diskleri etrafındaki inhibisyon zon çapları milimetrik olarak ölçüldü. Kontrole göre imipenem ve sefoksitinin subinhibitör konsantrasyonu içeren besiyerlerindeki zon çaplarının azalması indüklenmeye bağlı antagonizm olarak değerlendirildi. Antibiyotiksiz Mueller-Hinton agar ile Mueller-Hinton agar + imipenem içeren ağardaki inhibisyon zon çapları kıyaslandığında, aztreonam dışındaki beta-laktamların zon çaplarında azalma istatistiksel olarak anlamlı bulundu (p < 0.05). Sefoksitin içeren ağardakibeta-laktamlardan sadece sefotaksimin zon çapında azalma anlamlı idi (p < 0.05).

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Cite This Article

BÖREKÇİ, G., SÜMERKAN, B. (2022). Imipenem and cefoxitin induced resistance to beta-lactam antibiotics in pseudomonas aeruginosa. İnfeksiyon Dergisi, Cilt: 11 - Sayı: 3, 261–265. https://ajindex.com/articles/651803

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