Journals / Türk Mikrobiyoloji Cemiyeti Dergisi / 2022 / Cilt: 52 - Sayı: 1

Identification of Bacterial Agents Isolated from Lower Respiratory Samples of COVID-19 Patients and Investigation of their Antibacterial Resistance Patterns

COVID-19 Hastalarının Alt Solunum Yolu Örneklerinden İzole Edilen Bakteriyel Etkenlerin İdentifikasyonu ve Antibakteriyel Direnç Paternlerinin İncelenmesi

Pages
48–55
Publication Date
2022-11-06
DOI
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AI Summary & Key Takeaways

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

With proper control of nosocomial infections, it is important to prevent the development of secondary bacterial infections in COVID-19 patients and to limit the spread of these resistant strains.

📌 3 Key Takeaways

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Objective & Hypothesis:Objective: The aim of this study is to identify the secondary bacterial infection agents in hospitalized patients due to COVID-19 disease, determine their antibacterial resistance patterns, and thus prevention of unnecessary antibiotic use by providing foresight for the empirical treatment given to patients with secondary infection.
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Key Findings & Data:Methods: In our study, 315 isolates from lower respiratory tract samples of patients hospitalized in the intensive care unit (ICU) due to COVID-19 in Niğde Training and Research Hospital between March 2020 and February 2021 were examined.
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Conclusion & Impact:With proper control of nosocomial infections, it is important to prevent the development of secondary bacterial infections in COVID-19 patients and to limit the spread of these resistant strains.
🔬Design:Research Article
📍Scope:2020 Verileri
⚙️Variables:Domain Parameters

Abstract

Objective: The aim of this study is to identify the secondary bacterial infection agents in hospitalized patients due to COVID-19 disease, determine their antibacterial resistance patterns, and thus prevention of unnecessary antibiotic use by providing foresight for the empirical treatment given to patients with secondary infection. Methods: In our study, 315 isolates from lower respiratory tract samples of patients hospitalized in the intensive care unit (ICU) due to COVID-19 in Niğde Training and Research Hospital between March 2020 and February 2021 were examined. Demographic and laboratory data were analyzed retrospectively from the hospital automation system. Identification of bacterial isolates and antibiotic susceptibility were performed with Vitek 2 Compact device and evaluated according to EUCAST criteria. Results: 5753 patients hospitalized in our hospital due to COVID-19 were examined, and secondary bacterial infection was detected in 315 (5.5%) of them in the ICU. During the pandemic, Acinetobacter baumannii (47.8%), Klebsiella pneumoniae (13.4%) and Pseudomonas aeruginosa (12.0%) growth were observed frequently among Gram-negative bacteria. Among the Gram-positive bacteria, growth was noted for Staphylococcus aureus (4.5%) and Enterococcus spp. (2.1%). Conclusion: Multidrug-resistant bacteria cause increased morbidity and mortality. Therefore, the need for antibiotic therapy should be evaluated promptly and discontinued when inappropriate. With proper control of nosocomial infections, it is important to prevent the development of secondary bacterial infections in COVID-19 patients and to limit the spread of these resistant strains.

Özet

Amaç: Bu çalışmada amaç, COVID-19 hastalığı nedeni ile yatan hastalarda meydana gelen sekonder bakteriyel enfeksiyon etkenlerini tanımlamak ve bu etkenlerin antibakteriyel direnç durumlarını belirlemektir. Böylece sekonder enfeksiyon düşünülen hastalarda başlanacak ampirik tedavi için öngörü sağlanarak gereksiz antibiyotik kullanımı önlemede katkıda bulunulacaktır. Yöntem: Çalışmamızda, Mart 2020 ve Şubat 2021 tarihleri arasında Niğde Eğitim ve Araştırma Hastanesi’nde COVID-19 nedeni ile Yoğun Bakım Ünitesi (YBÜ)’nde yatan hastalardan gönderilen alt solunum yolu örneklerinden izole edilen toplam 315 adet izolat incelenmiştir. Demografik ve laboratuvar verileri hastane otomasyon sisteminden retrospektif olarak analiz edilmiştir. Bakteriyel izolatların tanımlanması ve antibiyotik duyarlılığı Vitek 2 Compact (Biomerieux, Fransa) cihazı ile yapılmış ve EUCAST (European Committee on Antimicrobial Susceptibility Testing) kriterlerine göre değerlendirilmiştir. Bulgular: COVID-19 nedeni ile hastanemizde yatan 5.753 hasta incelenmiş ve bunlardan YBÜ’de bulunan 315’inde (%5.5) sekonder bakteriyel enfeksiyon belirlenmiştir. Pandemi döneminde Gram-negatif bakterilerden en çok sırayla Acinetobacter baumannii (%47.8), Klebsiella pneumoniae (%13.4) ve Pseudomonas aeruginosa (%12.0) üremesi görülmüştür. Gram-pozitif bakteriler arasında en çok sırayla Staphylococcus aureus (%4.5) ve Enterococcus spp. (%2.1) bakterileri üremiştir. Sonuç: Çoklu ilaca dirençli bakteriler, morbidite ve mortalitenin artmasına neden olur. Bu nedenle antibiyotik tedavisine duyulan gereksinim çabucak değerlendirilmeli ve uygun olmadığında kesilmelidir. Nozokomiyal enfeksiyonların uygun kontrolünün sağlanması ile COVID-19 hastalarında sekonder bakteriyel enfeksiyon gelişiminin önlenmesi ve bu dirençli türlerin yayılmasını sınırlamak önemlidir.

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Cite This Article

Mutlu, T. A., Bozok, T. (2022). Identification of Bacterial Agents Isolated from Lower Respiratory Samples of COVID-19 Patients and Investigation of their Antibacterial Resistance Patterns. Türk Mikrobiyoloji Cemiyeti Dergisi, Cilt: 52 - Sayı: 1, 48–55. https://ajindex.com/articles/635698

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