Genotypic Detection of Carbapenems Resistance Genes in Acinetobacter baumannii Isolated from Urinary Tract Infection Patients

Author:

Hayder Hasan Thualfakar1ORCID,Yasir AL-Ethari Ameer Sadeq2,Ghani Al-Muhanna Sddiq2ORCID,Ameer Al-Kraety Israa Abdul2ORCID

Affiliation:

1. jabir ibn Hayyan Medical University, Iraq

2. Department of Medical Laboratory Techniques, College of Health and Medical Techniques, University of Alkafeel. Najaf, Iraq

Abstract

Acinetobacter baumannii is a Gram-negative bacterium characterized by its short, round, rod-shaped morphology. It is an opportunistic pathogen that poses a significant threat, particularly to immunocompromised patients, often those with hospital stays lasting less than 90 days. Between June 2022 and July 2023, 214 urine samples were collected from individuals suspected of having urinary tract infections (UTIs). These samples were subjected to antibiotic resistance testing, focusing on detecting specific genes related to carbapenem resistance, namely blaNDM, blaKPC, and blaVIM.The study's results revealed a notable trend in antibiotic resistance among the bacterial isolates. Ceftazidime, cefotaxime, and ceftriaxone, commonly used antibiotics for UTIs, showed a high resistance rate among the tested isolates. This resistance highlights the challenges healthcare professionals face when treating UTIs caused by Acinetobacter baumannii. On the other hand, the isolates displayed a comparatively lower resistance rate to imipenem and meropenem, two necessary carbapenem antibiotics. This lower resistance to carbapenems is encouraging as these drugs are often considered the last line of defense against multidrug-resistant bacterial infections. The presence of carbapenem resistance genes, such as blaNDM, blaKPC, and blaVIM, in the Acinetobacter baumannii isolates is of particular concern. These genes confer resistance to carbapenem antibiotics, crucial for treating severe infections caused by multidrug-resistant bacteria. In conclusion, the study aims to study the growth of antibiotic resistance in Acinetobacter baumannii, especially in urinary tract infections in immunocompromised patients with more extended hospital stays. It also highlights the need for Surveys and periodic examinations to detect the spread of bacteria and their resistance. Keywords: Carbapenems, UTI, genes, blaNDM, blaKPC, and blaVIM.

Publisher

Clinical Biotec

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