INVESTIGATION OF CONTAMINATION LEVELS IN ENTERAL NUTRITION PRODUCTS: THE CASE OF INTENSIVE CARE

Yıl 2024, Cilt: 13 Sayı: 1, 158 - 164, 27.03.2024

Merve Yurttaş , Alev Yıldız Ilıman , Dursun Fırat Ergül

https://doi.org/10.37989/gumussagbil.1320458

Öz

In recent years, patient safety has emerged as a paramount concern within the healthcare delivery system. Enteral nutrition, which is frequently employed in intensive care units, brings forth various risks pertaining to patient safety. One of these risks involves the contamination of enteral solutions with pathogenic microorganisms. This study scrutinized the presence of total aerobic bacteria (TAMB), coliforms, Staphylococcus aureus (S.aureus), and Escherichia coli microorganisms in samples derived from enteral solutions.The study was designed as an experimental research. Samples of enteral nutrition formulas were collected from enteral feeding sets that had completed a 24-hour infusion period. These samples were analyzed for total aerobic mesophilic bacteria, Staphylococcus aureus, coliforms, and Escherichia coli. In this study, it was determined that the count of aerobic bacteria exceeded 10³ CFU/mL (>10³) in 4 samples (40%), while 1 sample was within an acceptable range (9x10² CFU/mL). Catalase and coagulase tests were performed on the black-colored colonies observed in the Bacteriological Analytical Manual, and the test results were evaluated as negative.Therefore, coagulase-negative Staphylococcus species were identified in 5 samples (50%). According to the microbiological analysis results, no coliforms or E. coli bacteria (<10 CFU/mL) were detected in any of the samples.The research findings revealed that the examined enteral nutrition products exceeded the accepted food safety limits in terms of contamination levels for certain microbiological species. Conducting studies to identify and prevent the sources of this contamination can lead to an improvement in the microbiological quality of enteral solutions.

Anahtar Kelimeler

Nutrition, Enteral feeding, Patient safety, Food safety.

Proje Numarası

Yok

ENTERAL BESLENME ÜRÜNLERİNDE KONTAMİNASYON DÜZEYLERİNİN İNCELENMESİ: YOĞUN BAKIM ÖRNEĞİ

Öz

güvenliği öncelikli konulardan biridir. Yoğun bakım ünitelerinde sıklıkla uygulanan enteral beslenme, hasta güvenliği ile ilgili çeşitli riskleri de beraberinde getirmektedir. Enteral solüsyonun patojen mikroorganizmalar ile kontamine olması bu risklerden biridir. Bu çalışmada enteral solüsyonlardan alınan örneklerde toplam aerobik bakteri (TAMB), koliform, Staphylococcus aureus (S.aureus) ve Escherichia coli (E.coli) mikroorganizmalarının varlığı incelenmiştir. Araştırma deneysel tasarımlı olarak planlanmıştır. Yirmi dört saat infüzyon süresini tamamlamış enteral beslenme setlerinden alınan örnekler toplam aerobik mezofilik bakteri, Staphylococcus aureus, koliform ve Escherichia coli bakımından analiz edilmiştir. Bu çalışmada aerobik bakteri sayısının 4 örnekte (%40) 10³ kob/mL’yi aştığı (>10³), 1 örneğin ise kabul edilebilir seviyede (9x10² kob/mL) olduğu belirlenmiştir. Baird Parker agarda (BPA) siyah görünümlü kolonilere katalaz ve koagülaz testi uygulanmış ve test sonuçları negatif olarak değerlendirilmiştir. Bu nedenle 5 örnekte (%50) koagülaz negatif Staphylococcus sp. belirlenmiştir. Mikrobiyolojik analiz sonuçlarına göre örneklerin hiçbirinde koliform ve E.coli bakterisi (<10 kob/mL) tespit edilememiştir. Araştırma sonucunda incelenen enteral beslenme ürünlerinin bazı mikrobiyolojik türlerde kontaminasyon düzeylerinin kabul edilen besin güvenliği sınırlarını aştığı belirlenmiştir. Bu kontaminasyon kaynaklarının belirlenmesi ve önlenmesine yönelik çalışmaların yapılması ile enteral solüsyonlarda mikrobiyolojik kalitenin gelişmesi sağlanabilir.

Anahtar Kelimeler

Nutrisyon, Enteral beslenme, Hasta güvenliği, Besin güvenliği.

Destekleyen Kurum

Yok

Proje Numarası

Yok

Teşekkür

YOK

Kaynakça

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