Hussein, H., Mohamed, M., Rawway, M., Afifi, M. (2025). Prevalence and Antimicrobial Susceptibility Profile of Methicillin-Resistant Staphylococcus aureus Among Patients in Various Intensive Care Units. Egyptian Journal of Botany, 65(2), 259-267. doi: 10.21608/ejbo.2024.136101.1974
Hosni Ahmed mohamed Hussein; Mahmoud Ali Mohamed; Mohammed Rawway; Magdy M. Afifi. "Prevalence and Antimicrobial Susceptibility Profile of Methicillin-Resistant Staphylococcus aureus Among Patients in Various Intensive Care Units". Egyptian Journal of Botany, 65, 2, 2025, 259-267. doi: 10.21608/ejbo.2024.136101.1974
Hussein, H., Mohamed, M., Rawway, M., Afifi, M. (2025). 'Prevalence and Antimicrobial Susceptibility Profile of Methicillin-Resistant Staphylococcus aureus Among Patients in Various Intensive Care Units', Egyptian Journal of Botany, 65(2), pp. 259-267. doi: 10.21608/ejbo.2024.136101.1974
Hussein, H., Mohamed, M., Rawway, M., Afifi, M. Prevalence and Antimicrobial Susceptibility Profile of Methicillin-Resistant Staphylococcus aureus Among Patients in Various Intensive Care Units. Egyptian Journal of Botany, 2025; 65(2): 259-267. doi: 10.21608/ejbo.2024.136101.1974
Prevalence and Antimicrobial Susceptibility Profile of Methicillin-Resistant Staphylococcus aureus Among Patients in Various Intensive Care Units
1Botany and Microbiology, Faculty of SCience, Al-Azhar university, Assiut
21Department of Microbiology, Faculty of Science, Al-Azhar University, Assiut 71524, Egypt. 2Microbiology Unit, Luxor International Hospital, Luxor, Egypt.
31Department of Botany Microbiology, Faculty of Science, Al-Azhar University, Assiut 71524, Egypt. 2Biology Department, College of Science, Jouf University, Saudi Arabia
4Department of Botany and Microbiology, Faculty of Science, Al-Azhar University, Assiut 71524, Egypt.
Abstract
The incidence of Methicillin-resistant Staphylococcus aureus (MRSA) infection poses significant challenges to epidemiology, infection control, and therapeutic management, particularly within intensive care units (ICUs). This study aimed to monitor MRSA infection rates among patients in various ICUs at Luxor International Hospital (LIH), one of the largest healthcare facilities in Upper Egypt. Mannitol Salt Agar (MSA), Cefoxitin disk (mecA-mediated Oxacillin resistance), Oxacillin Resistance Screening Agar Base (ORSAB), and VITEK2 COMPACT system were used for the isolation and identification of the bacterial isolates from various biological specimens. 69.6% of the staphylococcal isolates obtained from ICUs were identified as MRSA strains. Infection rates were 69.8% and 31.2% in males and females, respectively. The isolation rates of MRSA from the collected samples were as follows: blood (77.9%), sputum (11.3%), pus (9.0%), and urine (1.8%). MRSA infection was very prevalent in Moderate intensive care unit (MCU) and Neurological intensive care unit (NECU) compared to other ICUs. Antimicrobial susceptibility testing shows that the isolated MRSA strains are highly sensitive to Tigecycline, Linezolid, Vancomycin, Teicoplanin, and Rifampicin while they are highly resistant to Cefoxitin and Penicillin. Collectively, this study suggests that the prevalence of MRSA infection is high among ICUs patients, particularly MCU and NEICU patients. Findings from this study have important implications for future epidemiology, and infection control studies to develop an effective protocol to manage MRSA infection within settings.
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