• Saudi Med J · Aug 2023

    Review

    Acinetobacter baumannii: A multidrug-resistant pathogen, has emerged in Saudi Arabia.

    • Jehad A Aldali.
    • From the Department of Pathology, College of Medicine, Imam Mohammad Ibn Saud Islamic University, Riyadh, Kingdom of Saudi Arabia.
    • Saudi Med J. 2023 Aug 1; 44 (8): 732744732-744.

    AbstractA significant opportunistic pathogen, Acinetobacter baumannii (A. baumannii) has evolved mechanisms of resistance to a wide variety of antimicrobials, including carbapenems. In this article, we assessed the prevalence, risk factors, antimicrobial sensitivity, and resistance mechanisms among A. baumannii in several locations in Saudi Arabia. Hospital-acquired infections caused by A. baumannii were prevalent in the country due to a variety of reasons, such as the high number of critically ill patients, the frequency of gastrointestinal colonization, and the widespread use of antimicrobial medications. There has been an increase in the frequency of A. baumannii strains that are resistant to several antimicrobials, including carbapenems. Hospitals are a breeding ground for multidrug-resistant A. baumannii due to the widespread use of broad-spectrum antibiotics, the potential for patient-to-patient transmission of the bacteria, the high risk of infection during invasive intensive care unit procedures, and the high frequency with which diabetic and cancer patients in hospitals undergo invasive diagnostic and therapeutic procedures. Combinations of colistin and tigecycline with carbapenems or other antibiotics remain the best treatment option and are relatively safe to treat patients with multidrug resistance (MDR) A. baumannii infections, despite the rising incidence of resistance to these drugs observed in many hospitals. The prevalence of multidrug-resistant A. baumannii in Saudi hospitals calls for in-depth research into the underlying molecular mechanisms of multidrug resistance. In addition, a better understanding of A. baumannii resistance patterns and the establishment of a treatment protocol to reduce the infection burden in Saudi Arabia could benefit from the implementation of a local antibiogram database in tandem with a national antimicrobial stewardship and infection prevention program.Copyright: © Saudi Medical Journal.

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