scholarly journals Antimicrobial susceptibility of Actinobacillus pleuropneumoniae strains isolated from pig's clinical samples in Serbia

2016 ◽  
Vol 72 (10) ◽  
pp. 637-640
Author(s):  
Jadranka Žutić ◽  
Ljiljana Pavlović ◽  
Oliver Radanović ◽  
Vladimir Radosavljević ◽  
Branislav Kureljušić ◽  
...  
Keyword(s):  
Clavulanic Acid ◽  
Antimicrobial Agents ◽  
Actinobacillus Pleuropneumoniae ◽  
Diffusion Method ◽  
Clinical Samples ◽  
Disk Diffusion Method ◽  
Bacterial Diseases ◽  
Porcine Pleuropneumonia ◽  
Amoxicillin Clavulanic Acid ◽  
Resistance Rates

Porcine pleuropneumonia, caused by Actinobacillus pleuropneumoniae is one of the most important bacterial diseases of the pig respiratory tract. One hundred and forty eight Actinobacillus pleuropneumoniae strains isolated from pig's clinical samples were tested for their susceptibility to 11 antimicrobials by disk diffusion method. Isolates were obtained from the pathoanatomically altered pig's lung that died with signs of respiratory disease. Antimicrobial discs with following concentration were used: ampicillin 10 µg, amoxicillin 10 µg, amoxicillin/clavulanic acid 20/10 µg, cefotaxime 30 µg, gentamicin 10 µg, penicillin 10 IU, streptomycin 10 µg, tetracycline 30 µg, enrofloxacin 5µg, lincospectin 15/200 µg, florfenicol 30 µg and trimethoprim/sulfamethoxazole 1.25/23.75 µg. Isolated strains showed various susceptibility to tested antimicrobials. Seventy-five percent of isolates were resistant to one or more drugs frequently used in the treatment of pig's diseases at farms in Serbia. All 148 isolates were susceptible to cefotaxime, enrofloxacin and florfenicol, while 96% of them were susceptible to amoxicillin/clavulanic acid and lincospectin. Susceptibility of isolates to amoxicillin, gentamicin and trimethoprim/sulfamethoxazole were 91%, 77% and 64%, respectively. The highest resistance rates were determined for tetracycline and streptomycin, 34% and 31%, respectively. When compared to our previous results, we noticed a decrease in resistance to tetracyclines and trimethoprim/sulfamethoxazole. Our results indicate that A. pleuropneumoniae strains isolated from pig's clinical samples in Serbia show high susceptibility to antimicrobial agents which are most often used in the pig industry.

scholarly journals Prevalence, seasonality, and antimicrobial resistance of thermotolerant Campylobacter isolated from broiler farms and slaughterhouses in East Algeria

2020 ◽  
Vol 13 (6) ◽  
pp. 1221-1228
Author(s):  
Mohamed Baali ◽  
Mohamed Lounis ◽  
Hanan Laidouci Al Amir ◽  
Ammar Ayachi ◽  
Ahcen Hakem ◽  
...  
Keyword(s):  
Clavulanic Acid ◽  
Antimicrobial Agents ◽  
Health Hazard ◽  
Control Measures ◽  
Diffusion Method ◽  
Contamination Rate ◽  
Isolation And Identification ◽  
Initial Finding ◽  
Disk Diffusion Method ◽  
Amoxicillin Clavulanic Acid

Aim: The current study was carried out to determine the prevalence, seasonality, and antimicrobial profile of thermotolerant Campylobacter isolated from broiler chickens in Batna, East Algeria, from June 2016 to June 2018. Materials and Methods: A total of 960 samples, including 480 cloacal swabs, 240 cecal contents, and 240 neck skin samples collected from 6 poultry farms and 12 slaughterhouses, were included in this study. After isolation and identification, susceptibility to seven antimicrobial agents was tested by the disk diffusion method. The seasonality of Campylobacter infection at broiler farms was statistically analyzed. Results: The data showed that 65%, 55%, and 70% of the cloacal swab, neck skin, and cecal content samples were contaminated with thermotolerant Campylobacter strains, respectively (p<0.05). Among the isolated campylobacteria, Campylobacter jejuni was the predominant species (73.5%). Sampling season exhibited a significant impact on the prevalence of Campylobacter (p<0.01), with peak occurrence in summer. All of the isolates were susceptible to gentamicin and resistant to ampicillin and amoxicillin/clavulanic acid, while 83.3% of them were resistant to erythromycin. Interestingly, 16 different resistance profiles were noted, with the combination of "ampicillin, amoxicillin/clavulanic acid, chloramphenicol, erythromycin, and tetracycline" being the most common, identified in 20.7% of isolated strains. Conclusion: This study demonstrates the presence of a high contamination rate of multidrug-resistant Campylobacter in farms and slaughterhouses in East Algeria. These findings underscore the need to apply strict control measures to avoid any associated public health hazard among Algerian consumers. This initial finding of the contamination of poultry with this zoonotic pathogen in East Algeria suggests the value of periodic comprehensive evaluation of associated disease in poultry as well as in humans in this region.

Antimicrobial Susceptibility Pattern of Staphylococcus Species from Clinical Samples

2020 ◽  
Author(s):  
Muhammad Ali
Keyword(s):  
Clavulanic Acid ◽  
Antibiotic Susceptibility ◽  
Vaginal Swab ◽  
Diffusion Method ◽  
Clinical Samples ◽  
Susceptibility Pattern ◽  
Mannitol Salt Agar ◽  
Agar Disc ◽  
Microbiological Methods ◽  
Amoxicillin Clavulanic Acid

The research was aimed to evaluate the antibiotic susceptibility pattern of Staphylococcus species from clinical samples obtained from some hospitals in Kano metropolis, Nigeria. The ear swab, high vaginal swab (HVS), wound swab and urine samples from the patients attending the hospitals were collected and inoculated onto the surface of freshly prepared Nutrient agar for bacterial isolation. The bacteria isolated were identified by conventional microbiological methods namely; Gram staining, biochemical test (such as catalase, coagulase, and DNase test), mannitol salt agar and heamolysis test. The isolates were subjected to antibiotic susceptibility testing using the agar disc diffusion method. The result showed that S. aureus was highly susceptible to Ciprofloxacin 105 (68.63%), Gentamicin 102 (66.67%), Levofloxacin 95 (62.08%) and Amikacin 90 (58.82%), S. epidermidis was highly susceptible to Gentamicin 13 (61.90%), Levofloxacin 12 (57.14%) and Nitrofurantoin 11 (52.38%) while S. saprophyticus was highly susceptible to Cefoxitin 7 (77.78%), Gentamicin 6 (66.67%) and Nitrofurantoin 5 (55.56%). On the other hand, S. aureus was highly resistant to Cefuroxime 153 (100%), Ceftazidime 150 (98.04%), Amoxicillin/clavulanic acid 120 (78.43%) and Cloxacillin 111 (72.55%), S. epidermidis was highly resistant to Ceftazidime 20 (95.24%), Cloxacillin 19 (90.48%) then Cefoxitin, Erythromycin and Amoxicillin/clavulanic acid with 15 (71.43%) both. S. saprophyticus was highly resistant to Cefepime 9 (100%), Cloxacillin 8 (88.89%), Ceftazidime 7 (77.78%), Imipenem and Erythromycin with 6 (66.67%) respectively. There is a statistical difference in the sensitivity of the isolates against the antibiotics used at p<0.05. It is concluded that Staphylococcus species develop resistance to some classes of antibiotics.

Antimicrobial Effect of Quercus robur L. Leaves Selective Extracts from the Mezi Mountain of Djeniene Bourezg (West of Algeria)

2020 ◽  
Vol 16 (8) ◽  
pp. 1181-1190
Author(s):  
Elhassan Benyagoub ◽  
Nouria Nabbou ◽  
Amal Dine
Keyword(s):  
Clavulanic Acid ◽  
Quercus Robur ◽  
Biological Activities ◽  
Antifungal Susceptibility ◽  
Diffusion Method ◽  
Dilution Method ◽  
Medicinal Species ◽  
Disk Diffusion Method ◽  
Amoxicillin Clavulanic Acid ◽  
Microbial Strains

Background: Algeria, by its vast terrestrial extent and its climatic variation, has an abundant, rich and varied flora in which it was counted many aromatic and medicinal species that provide bioactive compounds characterized by their broad biological activities. In this context, this work is based on the evaluation of the antimicrobial activity of Quercus robur L. leaves extracts (Family of Fagaceae). Methods: Firstly, the collected plant material was defatted; then, the extraction of tannins and saponins was carried out according to a standard protocol where the extracts obtained were tested on some uropathogenic microbial strains by disk diffusion method with the determination of the Minimum Inhibitory Concentrations (MICs) by broth macro-dilution method. Results: The extraction yield of the selective extracts was 7.93 and 16.94% for tannins and saponins, respectively. The antibiotic resistance profile of the tested strains showed a resistance relatively important to several antibiotics, namely amoxicillin +clavulanic acid and ampicillin for Escherichia coli, while Pseudomonas aeruginosa showed resistance to amoxicillin+clavulanic acid, amikacin, cefotaxime and ceftazidime. However, Staphylococcus aureus was susceptible to penicillin, gentamicin, ofloxacin and chloramphenicol. Antifungal susceptibility testing has been shown that Candida albicans was susceptible to amphotericin B, econazole and it was clinically categorized as intermediate to miconazole drug. For antimicrobial tests, the tannins and saponins extracts exhibited a low to strong inhibitory effect at tested concentrations lower than 30 mg/mL (ranged from no inhibition to an inhibition zone diameter of 17.5 mm), depending on dose levels and tested microbial strains. Conclusion: This activity is proportional to the tested concentrations, knowing that tannins extract was more active compared to saponins extract. For this, Q. robur could constitute an important source for drug discovery.

Prevalence and antimicrobial resistance of Salmonella and Yersinia in the feces of hunted wildlife in Abeokuta, Nigeria

2019 ◽  
Vol 72 (4) ◽  
Author(s):  
Olufemi Ernest Ojo ◽  
Oluwaseyi Oluwadaisi Ogunjobi ◽  
Mufutau Atanda Oyekunle ◽  
Morenike Atinuke Dipeolu ◽  
Ebenezer Babatunde Otesile
Keyword(s):  
Antimicrobial Resistance ◽  
Clavulanic Acid ◽  
Nalidixic Acid ◽  
Biochemical Characterization ◽  
Diffusion Method ◽  
Wild Rodents ◽  
Culture Methods ◽  
Disk Diffusion Method ◽  
Amoxicillin Clavulanic Acid ◽  
Cricetomys Gambianus

Meat from wildlife contributes significantly to food security and income generation in many African communities. Salmonellae and yersiniae are important causes of foodborne infections. This study investigated the presence and antimicrobial resistance of salmonellae and yersiniae in the fecal contents of hunted wild rodents and ruminants at a wildlife meat-processing center in Abeokuta, Nigeria. Bacteria were isolated and identified by selective culture methods and biochemical characterization. Antimicrobial susceptibility was determined by the Kirby Bauer disk diffusion method. Salmonellae were isolated from 15 (9.8%) and yersiniae from 11 (7.2%) samples out of 153. Salmonellae were detected in nine cane rats (Thryonomys swinderianus), five royal antelopes (Neotragus pygmaeus) and one African giant rat (Cricetomys gambianus). Yersiniae were detected in eight cane rats, two royal antelopes and one waterbuck (Kobus ellipsiprymnus). The levels of resistance in Salmonella isolates were 100% for ampicillin and ceftiofur, 93.3% for tetracycline, 33.3% for cefotaxime, 26.7% for ceftazidime, 13.3% for amoxicillin/clavulanic acid, nalidixic acid and sulfamethoxazole/trimethoprim, and 6.7% for gentamicin, streptomycin and norfloxacin. The levels of resistance in yersiniae isolates were 81.8% for ampicillin, 72.7% for ceftiofur, 63.6% for nalidixic acid, 54.5% for cefotaxime, ceftazidime and sulfamethoxazole/trimethoprim, 36.4% for tetracycline, 27.3% for amoxicillin/clavulanic acid and streptomycin, 18.2% for ciprofloxacin, and 9.1% for chloramphenicol and gentamicin. All the isolates showed multiresistance to antimicrobials from at least three different classes. The detection of antimicrobial resistant salmonellae and yersiniae in wildlife is of veterinary and public health significance as these organisms can be transmitted to domestic animals and humans.

scholarly journals Genetic Characterization of a Novel Composite Transposon Carrying armA and aac(6)-Ib Genes in an Escherichia coli Isolate from Egypt

2017 ◽  
Vol 66 (2) ◽  
pp. 163-169
Author(s):  
Mona T. Kashef ◽  
Omneya M. Helmy
Keyword(s):  
Escherichia Coli ◽  
Antimicrobial Agents ◽  
Clinical Isolates ◽  
Diffusion Method ◽  
Clinical Samples ◽  
Aminoglycoside Resistance ◽  
Disk Diffusion Method ◽  
Gram Negative ◽  
Coli Isolate ◽  
Wide Range

Aminoglycosides are used in treating a wide range of infections caused by Gram-positive and Gram-negative bacteria; however, aminoglycoside resistance is common and occurs by several mechanisms. Among these mechanisms is bacterial rRNA methylation by the 16S rRNA methyl transferase (16S-RMTase) enzymes; but data about the spread of this mechanism in Egypt are scarce. Cephalosporins are the most commonly used antimicrobial agents in Egypt; therefore, this study was conducted to determine the frequency of 16S-RMTase among third generation cephalosporin-resistant clinical isolates in Egypt. One hundred and twenty three cephalosporin resistant Gram-negative clinical isolates were screened for aminoglycosides resistance by the Kirby Bauer disk diffusion method and tested for possible production of 16S-RMTase. PCR testing and sequencing were used to confirm the presence of 16S-RMTase and the associated antimicrobial resistance determinants, as well as the genetic region surrounding the armA gene. Out of 123 isolates, 66 (53.66%) were resistant to at least one aminoglycoside antibiotic. Only one Escherichia coli isolate (E9ECMO) which was totally resistant to all tested aminoglycosides, was confirmed to have the armA gene in association with blaTEM-1, blaCTX-M-15, blaCTX-M-14 and aac(6)-Ib genes. The armA gene was found to be carried on a large A/C plasmid. Genetic mapping of the armA surrounding region revealed, for the first time, the association of armA with aac(6)-Ib on the same transposon. In conclusion, the isolation frequency of 16S-RMTase was low among the tested aminoglycoside-resistant clinical samples. However, a novel composite transposon has been detected conferring high-level aminoglycosides resistance.

scholarly journals Arising Prevalence of OXA-48 producer Escherichia coli and OXA-48 with NDM co-producer Klebsiella pneumoniae Strains

2019 ◽  
Vol 27 (3) ◽  
pp. 319-326 ◽  
Author(s):  
Aylin Uskudar-Guclu ◽  
Mustafa Guney ◽  
Ali Korhan Sig ◽  
Selcuk Kilic ◽  
Mehmet Baysallar
Keyword(s):  
Antimicrobial Agents ◽  
Carbapenem Resistance ◽  
Resistance Mechanisms ◽  
Resistant Isolate ◽  
Diffusion Method ◽  
Clinical Samples ◽  
Disc Diffusion ◽  
E Coli ◽  
Carbapenem Resistant ◽  
Resistance Rates

Abstract Background/aim: This prospective study aimed to determine the presence of the most common carbapenemase genes, blaOXA-48, blaKPC, blaIMP, blaVIM and blaNDM on carbapenem resistant clinical K.pneumoniae and E.coli isolates. Materials and methods: Isolates were selected according to EUCAST guideline; gradient test and disc diffusion with both meropenem and ertapenem discs. Resistance rates of these isolates to other antimicrobial agents were also examined by disc diffusion method. Carbapenem resistance gene were investigated by using Real-Time PCR. Results: A total of 3845 E. coli and 1689 K.pneumoniae isolates from clinical samples between January 2015 and April 2017 were evaluated. The 419 isolates were found as carbapenem resistant but only the first resistant isolate (n=155; 126 K.pneumoniae and 29 E.coli) of each patient were included. Carbapenem resistant isolates were most frequently isolated from intensive care units (48.8%). Colistin was the most effective antibiotic (91.0%). The 121 (78.1%) of the tested isolates were positive for OXA-48 (103 K.pneumoniae and 18 E.coli) and 9 K. pneumoniae carrying blaNDM were also positive for blaOXA-48. VIM, IMP and KPC type carbapenemases were not detected in any isolates. Conclusion: Carbapenem-resistant pathogens have been shown to be able to develop resistance mechanisms with more than one carbapenemase encoding gene.

scholarly journals Monitoring of antibiotic resistance in isolates of Actinobacillus pleuropneumoniaein the Czech Republic between 2001 and 2003

2012 ◽  
Vol 50 (No. 5) ◽  
pp. 181-185 ◽  
Author(s):  
K. Nedbalcova ◽  
P. Satran ◽  
Z. Jaglic ◽  
R. Ondriasova ◽  
Z. Kucerova
Keyword(s):  
Antibiotic Resistance ◽  
Czech Republic ◽  
Clavulanic Acid ◽  
Actinobacillus Pleuropneumoniae ◽  
Diffusion Method ◽  
Disc Diffusion ◽  
Disc Diffusion Method ◽  
High Increase ◽  
The Czech Republic ◽  
Amoxicillin Clavulanic Acid

During the period of 2001 and 2003 a total of 238 isolates of Actinobacillus pleuropneumoniae obtained from 26 pig herds in the Czech Republic (2001 &ndash; 73 isolates, 2002 &ndash; 110 isolates, 2003 &ndash; 55 isolates) were examined for antibiotic resistance by disc diffusion method. Resistance to erythromycin (95.5% to 98.6%), streptomycin (76.4% to 82.7%) and tiamulin (72.7%) was detected most frequently over the whole monitored period. High increase in percentage of resistant isolates to tetracycline (2001 &ndash; 11.0%, 2002 &ndash; 36.4%, 2003 &ndash; 81.8%), doxycycline (2001 &ndash; 9.6%, 2002 &ndash; 34.6%, 2003 &ndash; 61.8%), nalidixic acid (2001 &ndash; 2.7%, 2002 &ndash; 14.5%, 2003 &ndash; 45.5%), and norfloxacin (2001 &ndash; 0%, 2002 &ndash; 7.3%, 2003 &ndash; 34.6%) was found, while differences in resistance to cephalotine (2001 &ndash; 1.4%, 2002 &ndash; 7.3%, 2003 &ndash; 9.1%), cotrimoxazol (2001 &ndash; 4.1%, 2002 &ndash; 10.0%, 2003 &ndash; 7.3%), amoxicillin (2001 &ndash; 12.3%, 2002 &ndash; 12.7%, 2003 &ndash; 10.9%) and amoxicillin-clavulanic acid (2001 &ndash; 9.6%, 2002 &ndash; 9.1%, 2003 &ndash; 10.9%) were small. Prevalence of isolates resistant to sulfasomidine was detected decreasing (2001 &ndash; 43.8%, 2002 &ndash; 47.3% and 2003 &ndash; 29.1%).

scholarly journals In VitroSynergistic Effect ofPsidium guineense(Swartz) in Combination with Antimicrobial Agents against Methicillin-ResistantStaphylococcus aureusStrains

2012 ◽  
Vol 2012 ◽  
pp. 1-7 ◽  
Author(s):  
Tiago Gomes Fernandes ◽  
Amanda Rafaela Carneiro de Mesquita ◽  
Karina Perrelli Randau ◽  
Adelisa Alves Franchitti ◽  
Eulália Azevedo Ximenes
Keyword(s):  
Staphylococcus Aureus ◽  
Aqueous Extract ◽  
Antimicrobial Agents ◽  
Diffusion Method ◽  
Synergistic Activity ◽  
Disk Diffusion Method ◽  
Microdilution Method ◽  
Fold Reduction ◽  
Amoxicillin Clavulanic Acid ◽  
Mrsa Strains

The aim of this study was to evaluate the antimicrobial activity of aqueous extract ofPsidium guineenseSwartz (Araçá-do-campo) and five antimicrobials (ampicillin, amoxicillin/clavulanic acid, cefoxitin, ciprofloxacin, and meropenem) against twelve strains ofStaphylococcus aureuswith a resistant phenotype previously determined by the disk diffusion method. FourS. aureusstrains showed resistance to all antimicrobial agents tested and were selected for the study of the interaction between aqueous extract ofP. guineenseand antimicrobial agents, by the checkerboard method. The criteria used to evaluate the synergistic activity were defined by the fractional inhibitory concentration index (FICI). AllS. aureusstrains were susceptible toP. guineenseas determined by the microdilution method. The combination of theP. guineenseextract with the antimicrobial agents resulted in an eight-fold reduction in the MIC of these agents, which showed a FICI ranging from 0.125 to 0.5, suggesting a synergistic interaction against methicillin-resistantStaphylococcus aureus(MRSA) strains. The combination of the aqueous extract ofP. guineensewith cefoxitin showed the lowest FICI values. This study demonstrated that the aqueous extract ofP. guineensecombined with beta lactamics antimicrobials, fluoroquinolones, and carbapenems, acts synergistically by inhibiting MRSA strains.

Antibiotic resistance of canine Staphylococcus intermedius group (SIG) - practical implications

2011 ◽  
Vol 14 (2) ◽  
pp. 213-218 ◽  
Author(s):  
D. Chrobak ◽  
M. Kizerwetter-Świda ◽  
M. Rzewuska ◽  
M. Binek
Keyword(s):  
Antibiotic Resistance ◽  
Clavulanic Acid ◽  
Antimicrobial Agents ◽  
Clinical Samples ◽  
Rrna Gene ◽  
Phenotypic Properties ◽  
Diagnostic Laboratory ◽  
Staphylococcus Intermedius ◽  
Amoxicillin Clavulanic Acid ◽  
Practical Implications

Antibiotic resistance of canineStaphylococcus intermediusgroup (SIG) - practical implicationsA total of 221 SIG strains were isolated from clinical samples of canine origin submitted to the Diagnostic Laboratory of the Division of Bacteriology and Molecular Biology at the Warsaw University of Life Sciences in Warsaw during the period 2006-2010. The aim of the study was to investigate the frequency of prevalence of methicillin-resistant SIG strains and to determine the MIC values of cephalotin, amoxicillin/clavulanic acid, ciprofloxacin, clindamycin, gentamicin, chloramphenicol, mupirocin for a collection of randomly selected 79 strains belonging toStaphylococcus intermediusgroup (SIG), including 23mecA-positive and 56mecA-negative strains. All isolates were identified as belonging to SIG based on their phenotypic properties and PCR amplification ofS. intermedius-specific fragment of the 16S rRNA gene. ThemecAgene was detected in 26 (12%) of 221 SIG strains. All testedmecA-negative SIG strains were susceptible to amoxicillin/clavulanic acid and cephalotin. One of the 56mecA-negative SIG strains was resistant to ciprofloxacin, six (11%) to gentamicin. It was found that sixteen (29%) of 56mecA-negative SIG strains were resistant to clindamycin. Most of themecA-positive SIG strains were resistant to ciprofloxacin (96%), clindamycin (96%), and gentamicin (96%). Only one MRSIG strain was resistant to chloramphenicol. All examinedmecA-positive SIG strains were found to be susceptible to mupirocin. Our results imply that staphylococcal multidrug resistance has become more prevalent, which could lead to difficulties in effective treatment. With some resistant strains the only therapeutic possibility are antimicrobial agents important in human medicine. New regulations for veterinary medicine concerning appropriate therapy of infections caused by multidrug-resistat staphylococci are needed.

scholarly journals Detection of CTX-M-type ESBLs from Escherichia coli Clinical Isolates from a Tertiary Hospital, Malaysia

2019 ◽  
Vol 16 (3(Suppl.)) ◽  
pp. 0682 ◽  
Author(s):  
MKK Et al.
Keyword(s):  
Escherichia Coli ◽  
Clinical Specimen ◽  
Pcr Amplification ◽  
Tertiary Hospital ◽  
Clinical Isolates ◽  
Diffusion Method ◽  
Clinical Samples ◽  
Disk Diffusion Method ◽  
E Coli ◽  
Resistance Rates

The present study aims to detect CTX-M-type ESBL from Escherichia coli clinical isolates and to analyze their antibotic susceptibility patterns. One hundred of E. coli isolates were collected from different clinical samples from a tertiary hospital. ESBL positivity was determined by the disk diffusion method. PCR used for amplification of CTX-M-type ESBL produced by E. coli. Out of 100 E. coli isolates, twenty-four isolates (24%) were ESBL-producers. E. coli isolated from pus was the most frequent clinical specimen that produced ESBL (41.66%) followed by urine (34.21%), respiratory (22.23%), and blood (19.05%).  After PCR amplification of these 24 isolates, 10 (41.66%) isolates were found to possess CTX-M genes. The CTX-M type ESBL producing E. coli against antibiotics belonging to different families showed the highest resistance rates to Ampicillin (100%), Cefotaxime (97%), Cefuroxime (95%), and Ciprofoxacin (86%). Carbapenem groups of antibiotics, Meropenem (89%) and Imipenem (85%) have the highest susceptibility rate among all antibiotics used in this study. The outcome of the antimicrobial susceptibility testing of significant CTX-M- type ESBL producing E. coli could be useful to avoid failure or prolong treatments.

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