Infections due to multidrug resistant E.coli range from uncomplicated urinary tract infections to life-threatening sepsis. A retrospective study was conducted to determine the patterns of antimicrobial susceptibility in 173 (12.84%) Escherichia coli strains isolated from 1347 clinical specimens of different types. Isolation and identification of E.coli were done as per routine laboratory protocol directed by Cheesbrough1. The isolation rate of E.coli was 48.57% in stool followed by 17.68% in urine, 25% in wound swabs, and 15.38% in tracheal aspirate etc. Among the 173 isolates 102 (59%) were from males and 71 (41%) were from females. Patients were classified into five age groups: 0-15, 16-30, 31-45, 46-60 and >60 years. E.coli was found highest number in females (13.9%) of age range 31-45 years and in males (22%) belonged to age group of over 60 years. Antimicrobial susceptibility testing by the disk diffusion method was conducted for 22 different antibiotics. The majority of isolated E.coli were highly sensitive to Imipenem (98.18%), Meropenem (97.37%), Amikacin (91.67%), Amoxiclav (80%), Ceftazidime (73.33%), and Gentamycin (71.76%). The antibiotics Tobramycin and Azithromycin were found as moderately sensitive against E.coli with the susceptibility rate of 52.5% and 50% respectively. The isolates show low degree of susceptibility to Penicillin G (9.52%), Carbenicillin (10%), Erythromycin (19.48%), Amoxycillin (19.59%), and Ampicillin (25%). These findings have clinical and epidemiological significance and provide a benchmark for future studies on the pattern of susceptibility of clinical isolates of E.coli in this region as well as may help the clinician to prescribe the right empirical treatment.KYAMC Journal Vol. 7, No.-1, Jul 2016, Page 681-686
Background: Methicillin-resistant Staphylococcus aureus (MRSA) is a major cause of healthcare-associated infections. To combat the challenge of life threatening MRSA remains a primary focus of most hospital infection control programs6. This study is undertaken in Khwaja Yunus Ali Medical College Hospital to identify the MRSA for determination of its prevalence and is considered a component of an infection control program in many countries5.Methods: Three hundred seventy hospitalized patients of surgery and medicine departments were studied during 2015. Clinical information of the patients and their pus, wound swab, sputum, throat swab and CSF were cultured.Results: Out of 370 patients, pus and wound swab of 217 (59%) had wound infection, sputum and throat swab of 141 had respiratory tract infection (38%) and CSF of 12 (3.2%) had meningitis were aseptically collected and cultured. Staphylococcus aureus were isolated in 51% cases and out of them MRSA was identified in 72 (73%) cases. MRSA isolated in 50% cases of meningitis, 49% cases of respiratory tract infection and 29% cases of wound infection.Conclusion: Methicillin-resistant Staphylococcus aureus appeared as a common cause of major illness and death and impose serious economic costs on patients and hospitals of our area like other developing countries. Detection of MRSA was associated with more severe clinical presentation.KYAMC Journal Vol. 7, No.-1, Jul 2016, Page 673-677
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