susceptibility testing

敏感性试验
  • 文章类型: Case Reports
    吲哚毛癣菌是一种新兴的皮肤癣菌,对世界范围内的公共卫生具有显着影响。除了产生严重的广泛的皮肤损伤,这个物种经常对特比萘芬有抗性,用作一线特工。因此,感染通常是难治性的,使治疗非常具有挑战性。本报告描述了科威特首例吲哚毛癣菌感染病例。被感染的妇女最近没有旅行史。她对几个疗程的抗真菌药物都没有反应,但最终对伏立康唑有反应.报告表明,吲哚丁香科尚未得到认可,因此,有必要对皮肤癣菌进行积极监测。
    Trichophyton indotineae is an emerging dermatophyte that has remarkable impact on public health worldwide. In addition to producing severe extensive skin lesions, this species is frequently resistant to terbinafine, used as a first line agent. As a result, the infection is often refractory, making treatment very challenging. The current report describes the first case of Trichophyton indotineae infection in Kuwait. The infected woman had no recent travel history. She failed to respond to several courses of antifungals, but finally responded to voriconazole. The report suggests that T. indotineae is under recognised, hence, active surveillance of dermatophytes is warranted.
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  • 文章类型: Case Reports
    背景:链格孢菌是一种能够引起多种感染的黑色素真菌,其中一些具有致命潜力。它是一种普遍存在的真菌和众所周知的植物病原体。Alternariaalternata的皮肤感染最常见于进行常规农业的患者的四肢,从而暴露于职业危害,导致皮肤屏障的破坏。
    方法:本文介绍了第一例来自罗马尼亚的伊曲康唑无反应性皮肤交替增多症患者,没有任何类型的免疫抑制。
    结果:在对患者皮肤感染的病因进行初步误诊后,连续两次穿刺活检,接着是真菌学检查,导致最终诊断为皮肤交替病。以抗真菌药敏试验为指导的治疗已经开始,导致患者皮肤溃疡逐渐愈合。
    结论:链格孢菌感染有免疫能力的人宿主并对抗真菌药物产生耐药性的能力突出了正确诊断皮肤溃疡的病因并在抗真菌药敏试验指导下制定适当治疗方法的重要性。
    BACKGROUND: Alternaria alternata is a melanic fungus capable of causing a wide variety of infections, some of which have lethal potential. It is a ubiquitous fungus and a well-known plant pathogen. Cutaneous infections with Alternaria alternata most often occur in the extremities of patients who perform conventional agriculture, thus being exposed to occupational hazards leading to the disruption of the skin barrier.
    METHODS: This paper presents the first case report from Romania of an itraconazole nonresponsive cutaneous alternariosis in a patient without any type of immunosuppression.
    RESULTS: After an initial misdiagnosis regarding the etiology of the patient\'s skin infection, two successive punch biopsies, followed by mycologic examination, lead to the final diagnosis of cutaneous alternariosis. Treatment guided by antifungal susceptibility testing has been instituted, leading to the gradual healing of the patient\'s skin ulcerations.
    CONCLUSIONS: The ability of Alternaria alternata to infect immunocompetent human hosts and to develop resistance to antifungal drugs highlight the importance of correctly diagnosing the etiology of skin ulcerations and instituting appropriate treatment guided by antifungal susceptibility testing whenever the suspicion of a fungal skin infection is plausible.
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  • 文章类型: Journal Article
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  • 文章类型: Journal Article
    Accurate and reliable drug susceptibility testing (DST) is essential for the effective treatment and control of tuberculosis. With the increase in drug-resistant organisms, newer and less conventional antimicrobial agents are used for treatment. Recently, we found an unprecedented rise in the number of clofazimine-resistant Mycobacterium tuberculosis isolates in our laboratory. An investigation found that this phenomenon was due to a change in the method of drug preparation. We performed studies to assess the impact of water and dimethyl sulfoxide (DMSO) as a final diluent for clofazimine drug testing. Based on our findings, the use of DMSO as a solvent for M. tuberculosis DST was optimised using the BACTEC MGIT 960 platform.
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  • 文章类型: Journal Article
    Global changes have caused a worldwide increase in reports of Vibrio-associated diseases with ecosystem-wide impacts on humans and marine animals. In Europe, higher prevalence of human infections followed regional climatic trends with outbreaks occurring during episodes of unusually warm weather. Similar patterns were also observed in Vibrio-associated diseases affecting marine organisms such as fish, bivalves, and corals. Following a possible human case of infection due to V. cholerae in the island of Kos (eastern Aegean, Greece), environmental samples were collected and tested for the presence of Vibrio species. Using chromogenic agar and MALDI-TOF MS, V. parahaemolyticus, V. vulnificus V. furnisii, V. alginolyticus, and V. fluvialis were isolated and/or identified. The presence of V. cholerae was established by PCR-sequencing analysis only. Following the susceptibility testing of the Vibrio isolates, only one, V. furnisii, showed intermediate resistance to ciprofloxacin. The rest of the isolates were susceptible to all antibiotics tested. The presence of Vibrio species in aquatic samples reveals potential dangers due to exposure to contaminated seawaters.
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