Escherichia coli in septic arthritis: prevalence and antibiotics susceptibility patterns.

IF 1.7 Q4 MICROBIOLOGY
Masroora Ali Khan, Muhammad Kamran Taj, Zahid Khan, Imran Taj, Muhammad Naeem, Saima Azam
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引用次数: 0

Abstract

Background and objectives: Septic arthritis (SA) is an orthopedic emergency mainly caused by bacteria. SA due to Escherichia coli (E. coli) is rare with a poor prognosis. This study aimed to assess the occurrence and antibiotic resistance patterns of E. coli in SA patients in Quetta, Balochistan, Pakistan.

Materials and methods: A cross-sectional study was conducted from March 2021 to December 2023. 220 samples were collected from SA patients from tertiary care hospitals. Joint aspirates (2ml) and blood (5ml) were analyzed for microbial and hematological examination.

Results: There were 5.45% samples positive, and 94.5% negative for E. coli. SA due to E. coli was more common in male (6.2%) than female (4.6%) patients with the knee being the most affected joint (6.3%). E. coli was more common in patients aged 41-60 years (7.7%), lower socioeconomic (6.9%), and illiterate (8.6%) patients. Suspected patients showed a significant increase in the levels of white blood cells (WBC), C-reactive protein (CRP), and erythrocyte sedimentation rate (ESR), notably, these levels were further elevated in E. coli-positive patients. The polymerase chain reaction (PCR) based identification of E. coli showed clear bands of 204bp of the 16S rRNA gene. Sequence analysis using the Basic Local Alignment Search Tool found high similarity with pathogenic E. coli from Egypt and China. The identified E. coli strain showed significant resistance to common antibiotics: amoxicillin, amoxicillin-clavulanate, ceftriaxone, sulfamethoxazole/trimethoprim, gentamicin, tetracycline, and erythromycin.

Conclusion: Antibiotic resistance in E. coli from SA patients suggests the need for accurate antibiotic selection to ensure prompt treatment.

Abstract Image

Abstract Image

脓毒性关节炎中的大肠杆菌:患病率和抗生素敏感性模式。
背景与目的:脓毒性关节炎(SA)是一种主要由细菌引起的骨科急症。大肠杆菌引起的SA是罕见的,预后较差。本研究旨在评估巴基斯坦俾路支省奎达市SA患者中大肠杆菌的发生情况和抗生素耐药模式。材料和方法:横断面研究于2021年3月至2023年12月进行。从三级医院的SA患者中采集样本220份。对关节抽吸液(2ml)和血液(5ml)进行微生物和血液学检查。结果:大肠杆菌阳性检出率5.45%,阴性检出率94.5%。大肠杆菌引起的SA在男性(6.2%)比女性(4.6%)更常见,其中膝关节是最受影响的关节(6.3%)。大肠杆菌在41-60岁(7.7%)、低社会经济水平(6.9%)和文盲(8.6%)患者中更为常见。疑似患者的白细胞(WBC)、c反应蛋白(CRP)和红细胞沉降率(ESR)水平显著升高,值得注意的是,这些水平在大肠杆菌阳性患者中进一步升高。基于聚合酶链反应(PCR)的大肠杆菌鉴定显示16S rRNA基因204bp的清晰条带。利用Basic Local Alignment Search Tool进行序列分析,发现该菌株与来自埃及和中国的致病性大肠杆菌高度相似。所鉴定的大肠杆菌菌株对阿莫西林、阿莫西林-克拉维酸酯、头孢曲松、磺胺甲恶唑/甲氧苄啶、庆大霉素、四环素和红霉素等常用抗生素均有显著耐药。结论:SA患者大肠杆菌的耐药情况提示需要准确选择抗生素以确保及时治疗。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
CiteScore
2.40
自引率
7.10%
发文量
96
审稿时长
12 weeks
期刊介绍: The Iranian Journal of Microbiology (IJM) is an international, multi-disciplinary, peer-reviewed journal that provides rapid publication of the most advanced scientific research in the areas of basic and applied research on bacteria and other micro-organisms, including bacteria, viruses, yeasts, fungi, microalgae, and protozoa concerning the development of tools for diagnosis and disease control, epidemiology, antimicrobial agents, clinical microbiology, immunology, Genetics, Genomics and Molecular Biology. Contributions may be in the form of original research papers, review articles, short communications, case reports, technical reports, and letters to the Editor. Research findings must be novel and the original data must be available for review by the Editors, if necessary. Studies that are preliminary, of weak originality or merely descriptive as well as negative results are not appropriate for the journal. Papers considered for publication must be unpublished work (except in an abstract form) that is not under consideration for publication anywhere else, and all co-authors should have agreed to the submission. Manuscripts should be written in English.
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