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Molecular characteristics,antibiogram and prevalence of multi-drug resistant Staphylococcus aureus (MDRSA) isolated from milk obtained from culled dairy cows and from cows with acute clinical mastitis

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Asian Pacific Journal of Tropical Biomedicine 2017年第8期7卷 694-697页

作者： zuhair bani ismail Department of Veterinary Clinical Sciences Faculty of Veterinary MedicineJordan University of Science and TechnologyIrbid22110Jordan

Objectives: To study the molecular characteristics, antibiogram and prevalence of multidrug resistant Staphylococcus aureus(S. aureus)(MDRSA) isolated from milk obtained from culled dairy cows and from cows with acute clinical ***: Bacteria were cultured from 188 quarter milk samples obtained from cows before culling(n=139) and from cows affected with acute mastitis(n=49) belonging to 10 dairy farms. The bacteria were identified using colony moiphology, Gram staining and biochemical characteristics. S. aureus isolates were then subjected to molecular characterization using PCR targeting 16 S rRNA and mecA gene to identify Methicillin resistant S. aureus(MRSA). The antibiogram of all isolates was performed using the Kirby-Bauer disk diffusion method against 10 commonly used antibiotics in dairy ***: S. aureus was isolated from 19(13.7%) samples obtained from culled cows and 11(22.4%) samples obtained from cows with acute mastitis. In both culled cows and cows with acute mastitis, in vitro antibiogram revealed that 100% of S. aureus isolates were resistant to erythromycin, penicillin G, streptomycin, doxycyclin, and trimethoprim/sulpha. The prevalence of MRSA in milk of culled cows and cows with acute mastitis was 26.3% and 18.2%, respectively, with an overall prevalence of 3.7% among all samples. All MRSA isolates were completely resistant to all tested antibiotics. All MRSA isolates were positive for the presence of the mecA ***: MRSA carrying the mecA gene were isolated from mastitic milk from dairy cows in Jordan for the first time. MRSA may pose a potential health risk to the public, farm workers and veterinarians.

关键词： Antibiogram 乳腺炎病原体奶店奶牛多药抵抗

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Gastric malignancies in Northern Jordan with special emphasis on descriptive epidemiology

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World Journal of Gastroenterology 2004年第15期10卷 2174-2178页

作者： Kamal E.bani-Hani Rami J.Yaghan Hussein A.Heis Nawaf J.Shatnawi ismail I.Matalka Amjad M.bani-Hani Kamal A.Gharaibeh Department of Surgery Princess Basma Teaching Hospital Faculty of MedicineJordan University of Science & TechnologyIrbid-Jordan Department of Pathology Princess Basma Teaching HospitalFaculty of MedicineJordan University of Science & TechnologyIrbid-Jordan Department of Surgery Princess Basma Teaching Hospital Faculty of MedicineJordan University of Science & TechnologyIrbid- Jordan

AIM: To study the epidemiology of gastric malignancies in Jordan as a model for Middle East countries where such data is ***: Pertinent epidemiological and clinicopathological data for 201 patients with gastric malignancy in north of Jordan between 1991 and 2001 were ***: Male: female ratio was 1.8:1. The mean age was 61.2 years, and 8.5% of the patients were younger than 40 years of age. The overall age-adjusted incidence was 5.82/100 000 population/year. The age specific incidence for males raised from 1.48 in those aged 30-39 years to 72.4 in those aged 70-79 years. Adenocarcinomas,gastric lymphomas, malignant stromal tumors, and carcinoids were found in 87.5%, 8%, 2.5%, and 2% respectively. There was an average of 10.1-month delay between the initial symptoms and the diagnosis. Only 82 patients underwent 'curative' gastrectomy. Among adenocarcinoma groups, Lauren intestinal type was the commonest (72.2%) and the distal third was the most common localization (48.9%). The mean follow up for patients with gastric adenocarcinoma was 25.1 mo (range 1-132 mo). The 5-year survival rates for stages Ⅰ (n=15),Ⅱ(n=41), Ⅲ (n=59), and Ⅳ (n=53) were 67.3%, 41.3%,5.7%, and 0% respectively (P=0.0001). The overall 5 year survival was 21.1%.CONCLUSION: Despite low incidence, some epidemiological features of gastric cancer in Jordan mimic those of highrisk areas. Patients are detected and treated after a relatively long delay. No justification in favor of a possibleg astric cancer screening effort in Jordan is supported byour study; rather, the need of an earlier diagnosis andsubsequent better care.

关键词：胃疾病北约旦流行病免疫学临床病理学

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