Abay Kebede Araya, Desalegn Girmay, Weldu Yemane, Gebrehiwot Gebrecherkos Teame, Gebreyohannes Gebreselema, Welekidan Letemicheal Negash, Desta Kibra Hailu, Asfaw Yohanns Tekle, Teka Ataklti Gessese, Gebremedhin Mulugeta Tilahun
Department of Microbiology and Immunology, Dr. Tewelde Legesse College of Health Sciences, Mekelle, Tigray, Ethiopia.
Department of Medical Microbiology and Immunology, College of Health Sciences, Mekelle University, Mekelle, Tigray, Ethiopia.
Infect Drug Resist. 2024 Feb 8;17:495-505. doi: 10.2147/IDR.S438370. eCollection 2024.
species are the most predominant bacterial agents to cause diarrhea in under-five children. It poses a serious challenge to public health worldwide with ongoing acquisition of resistance to different antimicrobials with multiple patterns. Thus, this study aimed to determine the prevalence, and antimicrobial resistance of species, and associated factors among under-five children with diarrhea in selected public health facilities.
A cross-sectional study was conducted among under-five children with diarrhea using convenient sampling. Health facilities were selected using a simple random sampling method. The stool samples collected from 214 study participants were transported and processed following standard microbiological protocols. isolates were identified using Gram staining, biochemical test, serological test, and aerobic growth at 25°C. Antimicrobial susceptibility profiles of isolates were performed using the Kirby-Bauer method. Data were analyzed using SPSS ver. 25.0. Association between variables was assessed using Chi-square test and Logistic regression, with 0.05.
The subject's mean age was 31.3 (±3.9) months. Of the 214 samples cultured, 14 (6.5%) of them were positive for species with 95% CI (3.3-10.3). Out of the isolated species, 12 (85.7%) were / and 2 (14.3%) were other species. Bottle feeding and history of direct contact to domestic animals were associated with Campylobacter species (AOR=5.13, CI=1.21-21.6, p=0.026 and AOR=4.93, CI=1.33-18.17, P=0.016), respectively. isolates were highly resistant to ciprofloxacin 5 (35.7%), and tetracycline 3 (21.4%).
A higher incidence of species was obtained in children who were bottle-fed and who had a history of direct contact with domestic animals. The isolates were highly resistant to ciprofloxacin and tetracycline. These findings indicate that special attention is needed for better management of drug resistance in under-five children. To enhance and support our current findings, further research using molecular techniques is needed to identify the resistant and virulent genes of the bacterial isolates.
弯曲杆菌属是导致五岁以下儿童腹泻的最主要细菌病原体。随着其对多种抗菌药物的耐药性不断出现多种模式,这对全球公共卫生构成了严峻挑战。因此,本研究旨在确定选定公共卫生设施中五岁以下腹泻儿童弯曲杆菌属的患病率、耐药性及相关因素。
采用方便抽样法对五岁以下腹泻儿童进行横断面研究。通过简单随机抽样方法选择卫生设施。按照标准微生物学方案对从214名研究参与者收集的粪便样本进行运输和处理。使用革兰氏染色、生化试验、血清学试验以及在25°C下的需氧生长来鉴定弯曲杆菌属分离株。采用 Kirby-Bauer 方法进行分离株的药敏试验。使用SPSS 25.0版软件分析数据。使用卡方检验和逻辑回归评估变量之间的关联,P<0.05。
受试者的平均年龄为31.3(±3.9)个月。在培养的214份样本中,14份(6.5%)弯曲杆菌属呈阳性,95%置信区间为(3.3 - 10.3)。在分离出的弯曲杆菌属中,12份(85.7%)为空肠弯曲杆菌/结肠弯曲杆菌,2份(14.3%)为其他弯曲杆菌属物种。奶瓶喂养和与家畜直接接触史分别与弯曲杆菌属相关(比值比=5.13,置信区间=1.21 - 21.6,P = 0.026;比值比=4.93,置信区间=1.33 - 18.17,P = 0.016)。弯曲杆菌属分离株对环丙沙星耐药率高,为5份(35.7%),对四环素耐药率为3份(21.4%)。
奶瓶喂养儿童和有与家畜直接接触史的儿童弯曲杆菌属感染发生率较高。分离株对环丙沙星和四环素耐药性高。这些发现表明,需要特别关注五岁以下儿童弯曲杆菌属耐药性的更好管理。为加强和支持我们目前的研究结果,需要进一步使用分子技术进行研究,以鉴定细菌分离株的耐药基因和毒力基因。