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Research Article: Extended-Spectrum ?-Lactamase and Carbapenemase-Producing Gram-Negative Bacteria and Associated Factors Among Patients Suspected of Community and Hospital-Acquired Urinary Tract Infections at Ayder Comprehensive Specialized Hospital, Tigrai, Ethiopia

Date Published: 2023-06-23

Abstract:
Urinary tract infections (UTIs) are one of the major causes of morbidity and mortality among the global population and ranked next to upper respiratory infections. Globally, an estimated million people suffer from UTIs every year. Members of the Enterobactericeae family such as Escherichia coli (E.coli), Klebsiella species, Proteus species and other non-fermenter gram-negative rods such as Pseudomonas species are the predominant etiologic agents of UTIs. The human intestinal system is the primary reservoir for E.coli, and these pathogens use specialized virulence factors such as adhesions, siderophores, and toxins to colonize and invade the urinary tract in an ascending pattern. The presence of capsular polysaccharides, type and type pili, aggregative adhesion factors, and siderophores all play key roles in Klebsiella pneumoniae (K. pneumoniae) infections.

Introduction:
Urinary tract infections (UTIs) are one of the major causes of morbidity and mortality among the global population and ranked next to upper respiratory infections. Globally, an estimated million people suffer from UTIs every year. Members of the Enterobactericeae family such as Escherichia coli (E.coli), Klebsiella species, Proteus species and other non-fermenter gram-negative rods such as Pseudomonas species are the predominant etiologic agents of UTIs. The human intestinal system is the primary reservoir for…

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