Introduction:Acinetobacter species is associated with health care associated infections especially in patients on respiratory therapy equipment and indwelling catheters. They are becoming increasingly drug resistant. The knowledge of the prevalence and pattern of antimicrobial susceptibility pattern of Acinetobacter spp. is important.AimsThe study is undertaken to estimate the prevalence rate, risk factors and antimicrobial resistance pattern of isolates. in Acinetobacter spp. from various clinical samples.Material and Methods:The isolates of Acinetobacter species obtained from various clinical specimen. Specimens were processed by standard microbiological techniques. Antimicrobial sensitivity tests of the Acinetobacter isolates were done by modified Kirby-Bauer disc diffusion method.ResultsOut of 622 isolates, 399 isolates were from inpatients (62,18%) and 223 were from outpatients (37,82%). More than 90% of isolates displayed resistance to ampicillin, amoxicillin-clavulanic acid, ceftazidime, caftriaxon and amikacin. Resistance to gentamicin, co-trimoxazole and ciprofloxacin were also common. Least resistance was seen to piperacillin-tazobactam and imipenem. A total of 125 Acinetobacter isolates were analyzed, out of which 78.4 % were multi-drug resistant (MDR). Of these MDR isolates, 17.24% were pan-resistant. A. baumannii was the most common species responsible for wound infection (84,8%), pneumonia(96,15%), abscess (72.7%), urinary tract infection (85,7%) and septicemia(89,5%).Conclusion:Multi-drug resistant Acinetobacter has emerged as an important nosocomial pathogen. Antibiotic susceptibility testing is critical in the treatment of infections caused by Acinetobacter. Continued surveillance of prevalent organisms in ICUs, combined with preventive measures remains absolutely essential in efforts to prevent or limit the spread of Acinetobacter infection.
Objectives:The aim of this study was to examine the presence of antimicrobial resistance / susceptibility strains of Escherichia coli in inpatients and outpatients.Materials and methods:It is a retrospective study carried out at the Department of Microbiology, Parasitology and Virology Faculty of Medicine, University of Sarajevo. In cooperation with the Microbiological laboratory of the Cantonal Hospital Zenica and the Microbiological laboratory of the General Hospital Tesanj, 3863 urine samples were processed in the period from March 1st to March 31st 2016.Results:Our study showed that E. coli had the highest antimicrobial resistance to trimethoprim / sulfamethoxazole (38.61%), followed by amoxicillin / clavulanic acid (19.62%), ciprofloxacin (9.49%), gentamicin (8.86%), cephalexin (8.23%), nitrofurantoin (8.23%), cefuroxime (7.52%), ceftazidime (6.33%), cefuroxime (89.87%), amikacin (4.43%).Conclusions:The isolated strains of E. coli showed the highest resistance to trimethoprim / sulfamethoxazole and amoxicillin / clavulanic acid. The isolated strains of E. coli showed the greatest susceptibility to amikacin and ceftazidime. Gender distribution of positive E. coli isolates showed statistically significant differences in favor of females.
Bone marrow mesenchymal cells have been identified as a source of pluripotent stem cells with multipotential potential and differentiation in to the different cells types such as are osteoblast, chondroblast, adipoblast. In this research we describe pioneering experiment of tissue engineering in Bosnia and Herzegovina, of the isolation and differentiation rat bone marrow stromal cells in to the osteoblast cells lineages. Rat bone marrow stromal cells were isolated by method described by Maniatopulos using their plastic adherence capatibility. The cells obtained by plastic adherence were cultured and serially passaged in the osteoinductive medium to differentiate into the osteocytes. Bone marrow samples from rats long bones used for isolation of stromal cells (BMSCs). Under determinate culture conditions BMSCs were differentiated in osteogenic cell lines detected by Alizarin red staining three weeks after isolation. BMSCs as autologue cells model showed high osteogenetic potential and calcification capatibility in vitro. In future should be used as alternative method for bone transplantation in Regenerative Medicine.
Introduction:Pneumococcal infections are a major cause of morbidity and mortality worldwide, whose treatment is threatened with an increase in the number of strains resistant to antibiotic therapy.Goal:The main goal of this research was to investigate the presence of antimicrobial susceptibility/resistance of S. pneumoniae.Material and methods:Taken are swabs of the nose and nasopharynx, eye and ear. In vitro tests that were made in order to study the antimicrobial resistance of pneumococci are: disk diffusion method and E-test.Results:The resistance to inhibitors of cell wall synthesis was recorded at 39.17%, protein synthesis inhibitors 19.67%, folate antagonists 47.78% and quinolone in 1.11%. S. pneumoniae has shown drug resistance to erythromycin in 45%, clindamycin in 45%, chloramphenicol–0.56%, rifampicin–6.11%, tetracycline–4.67%, penicillin-G in 4.44%, oxacillin in 73.89%, ciprofloxacin in 1.11% and trimethoprim-sulfamethoxazole in 5.34% of cases.Conclusion:The highest resistance pneumococcus showed to erythromycin, clindamycin and trimethoprim-sulfamethoxazole and these should be avoided in the treatment. The least resistance pneumococcus showed to tetracycline, rifampicin, chloramphenicol, penicillin-G and ciprofloxacin.
Objectives:The main objective of the study was to identify the most frequent isolates from female outpatients with urinary tract infection.Material and methods:The retrospective study was performed at the Department of Microbiology, Parasitology and Virology Faculty of Medicine, University of Sarajevo in period of 2015. The most frequent isolates were determined in 405 first urine samples from female outpatients of Hrasno community in Sarajevo, B&H. Identification of isolates was performed by the standard microbiological testing and the standard methods of descriptive statistics as well.Results:E. coli was identified with the frequency of (67.21%), followed by Proteus spp. (9.83%), Enterococcus faecalis (7.37%) and Enterobacter (5.73%). Pseudomonas aeruginosa and Pseudomonas spp. were found in (2.45%), while the frequency of Klebsiella spp., Streptococcus spp. and Acinetobacter spp. was lower (1.63%).Conclusions:The isolated strains of E. coli pointed the highest frequency among female outpatients of Hrasno community.
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