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Secondary bacterial infections and antibiotic resistance among tungiasis patients in Western, Kenya
PLOS Neglected Tropical Diseases ( IF 3.8 ) Pub Date : 2017-09-08 , DOI: 10.1371/journal.pntd.0005901
Ruth Monyenye Nyangacha , David Odongo , Florence Oyieke , Missiani Ochwoto , Richard Korir , Ronald Kiprotich Ngetich , Gladys Nginya , Olipher Makwaga , Christine Bii , Peter Mwitari , Festus Tolo

Tungiasis or jigger infestation is a parasitic disease caused by the female sand flea Tunga penetrans. Secondary infection of the lesions caused by this flea is common in endemic communities. This study sought to shed light on the bacterial pathogens causing secondary infections in tungiasis lesions and their susceptibility profiles to commonly prescribed antibiotics. Participants were recruited with the help of Community Health Workers. Swabs were taken from lesions which showed signs of secondary infection. Identification of suspected bacteria colonies was done by colony morphology, Gram staining, and biochemical tests. The Kirby Bauer disc diffusion test was used to determine the drug susceptibility profiles. Out of 37 participants, from whom swabs were collected, specimen were positive in 29 and 8 had no growth. From these, 10 different strains of bacteria were isolated. Two were Gram positive bacteria and they were, Staphylocccus epidermidis (38.3%) and Staphylococcus aureus (21.3%). Eight were Gram negative namely Enterobacter cloacae (8.5%), Proteus species (8.5%), Klebsiellla species (6.4%), Aeromonas sobria (4.3%), Citrobacter species (4.3%), Proteus mirabillis(4.3%), Enterobacter amnigenus (2.1%) and Klebsiella pneumoniae (2.1%). The methicillin resistant S. aureus (MRSA) isolated were also resistant to clindamycin, kanamycin, erythromycin, nalidixic acid, trimethorprim sulfamethoxazole and tetracycline. All the Gram negative and Gram positive bacteria isolates were sensitive to gentamicin and norfloxacin drugs. Results from this study confirms the presence of resistant bacteria in tungiasis lesions hence highlighting the significance of secondary infection of the lesions in endemic communties. This therefore suggests that antimicrobial susceptibility testing may be considered to guide in identification of appropriate antibiotics and treatment therapy among tungiasis patients.



中文翻译:

肯尼亚西部的耳鸣症患者的继发性细菌感染和抗生素耐药性

gia虫病或跳虫侵扰是由雌性沙蚤Tunga penetrans引起的寄生虫病。由这种跳蚤引起的病变的继发感染在地方性社区中很常见。这项研究试图阐明导致眼病病灶继发感染的细菌性病原体及其对常用抗生素的敏感性。参与者是在社区卫生工作者的帮助下招募的。从表现出继发感染迹象的病变中取出拭子。通过菌落形态,革兰氏染色和生化测试鉴定可疑细菌菌落。Kirby Bauer椎间盘扩散试验用于确定药物敏感性分布。在收集了拭子的37位参与者中,有29位的标本呈阳性,有8位无生长。从这些中分离出10种不同的细菌菌株。有两个是革兰氏阳性细菌,它们是表皮葡萄球菌(38.3%)和金黄色葡萄球菌(21.3%)。八种革兰氏阴性,即阴沟肠杆菌(8.5%),变形杆菌属(8.5%),克雷伯菌属(6.4%),索氏气单胞菌(4.3%),柠檬酸杆菌属(4.3%),米氏变形杆菌(4.3%),羊水肠杆菌( 2.1%)和肺炎克雷伯菌(2.1%)。的耐甲氧西林的小号金黄色(MRSA)也对克林霉素,卡那霉素,红霉素,萘啶酸,甲氧苄氨磺胺甲基异恶唑和四环素有抗性。所有革兰氏阴性和革兰氏阳性细菌分离株均对庆大霉素和诺氟沙星药物敏感。这项研究的结果证实,在耳gia虫病病灶中存在抗药性细菌,从而突出了在地方性社区中病灶继发感染的重要性。因此,这表明抗菌药敏感性试验可被认为可指导耳tun肌病患者确定合适的抗生素和进行治疗。

更新日期:2017-09-14
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