نتایج جستجو برای: prevalence of bacteria
تعداد نتایج: 21184918 فیلتر نتایج به سال:
Background & objectives: Urinary tract infection (UTI) is one of the most common types of human infections and Escherichia coli and Klebsiella pneumonia are the main causes of urinary tract infection among the gram negative bacteria. The prevalence of extended-spectrum β-lactamases (ESBLs) among these bacteria and hence resistant strains to β-lactam antibiotics have increased in recent decades...
Objective(s): Integrons, as a potential element in the distribution and maintenance of drug resistance, have thoroughly been established. It is known that the high prevalence of integrons in multidrug-resistant (MDR) clinical isolates has become a serious public health concern. The objective of the present study was to determine the frequency of different classes of integrons in clinical isolat...
Background and Objective: Extended spectrum beta-lactamases (ESBLs) are defined as enzymes capable of hydrolyzing oxyimino-cephalosporins. Selective pressure of overuse of new antibiotics may be associated with emergence of new types of beta-lactamases. The aim of this study was to identify urinary isolates of CTX-M ESBL-producing Klebsiella pneumoniae and to detect their pattern of antibiotic ...
Background and Objective: Acinetobacter baumannii is an important human pathogen that has been a focus of attention in recent years. These bacteria are a leading cause of therapeutic resistant nosocomial infections especially in burned or hospitalized patients in intensive care Units. The aim of this study was to isolate the Acinetobacter baumannii species from the wounds of burned patients and...
background and objective: diabetes mellitus is one of the main problems in health systems in the world. diabetic foot infections (dfi) is one of the main complications and the most cause of non-traumatic lower limb amputation .this study aimed to determine the prevalence of bacteria involved in dfi and their antibiotic resistance in patients with dfi diagnosis. patients and methods: this desc...
Avibacterium paragallinarum is Gram-negative bacteria that cause infectious coryza (IC), an acute respiratory disease of chickens. Despite vaccination of Layer and breeder farms of Iran against IC, they are still experiencing the disease clinically and there is no knowledge of serotypes prevalence of this bacterium in this country. This study designed to determine serovar identity by molecular ...
BACKGROUND Bacterial vaginosis is a global concern due to the increased risk of acquisition of sexually transmitted infections. OBJECTIVES To determine the prevalence of bacterial vaginosis and bacteria causing aerobic vaginitis. METHODS A cross-sectional study was conducted among 210 patients between September 2015 and July 2016 at St. Paul's Hospital. Gram-stained vaginal swabs were exami...
Background & Aim: Due to the prevalence of oral bacteria, their complications and increased microbial resistance and also recognition of the antibacterial properties of Polylophium involucratum, in this study, the antimicrobial properties of this plant essential oil were tested in different dilutions on oral bacteria at the Faculty of Microbiology of the Islamic Azad U...
Background and Objective: Diabetes mellitus is one of the main problems in health systems in the world. Diabetic Foot infections (DFI) is one of the main complications and the most cause of non-traumatic lower limb amputation .This study aimed to determine the prevalence of bacteria involved in DFI and their antibiotic resistance in patients with DFI diagnosis. Patients and Metho...
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