neglected infectious disease

  • 文章类型: Journal Article
    (1)背景:法属圭亚那仅报道了少数关于免疫活性患者组织胞浆菌病的研究。因此,我们对非HIV患者中的组织胞浆菌病住院患者进行了详细的临床描述.(2)方法:这是一个单中心,2008年至2022年在卡宴医院中心进行的回顾性研究.(3)结果:我们的队列由31(91%)成年人(>18岁)和3(9%)儿童组成,性别比例,M:F,1:2。女性的平均年龄高于男性(70岁对54岁)。呼吸道样本的收集占所进行检查的大部分(38%)。56%的患者出现发热(>37°C)。令人惊讶的是,组织胞浆菌病在82%的患者中传播,总病死率为14.7%.然而,在52%(16/31)的成年患者中发现免疫抑制状况,包括淋巴样血液病,糖尿病和免疫抑制药物。结论:本病,虽然罕见,通常被认为是非HIV患者的良性疾病,在我们的队列中呈现相对较高的死亡率。因此,应该怀疑组织胞浆菌病,在高流行地区进行筛查和调查,作为第一道防线,即使在有免疫能力和非HIV患者中,特别是那些有发烧或慢性呼吸道症状的人。
    (1) Background: Only a few studies on histoplasmosis in immunocompetent patients have been reported in French Guiana. Therefore, we conducted a detailed clinical description of hospitalized patients suffering with histoplasmosis among non-HIV patients. (2) Methods: This is a single-center, retrospective study conducted at Cayenne Hospital Center between 2008 and 2022. (3) Results: Our cohort was composed of 31 (91%) adults (>18 years of age) and 3 (9%) children, with a sex ratio, M:F, of 1:2. The median age was higher among the women than among the men (70 versus 54 years). The collection of respiratory samples constituted the majority of the performed examinations (38%). Fever (>37 °C) was found in 56% of patients. Surprisingly, the histoplasmosis was disseminated in 82% of patients with an overall case fatality rate of 14.7%. However, immunosuppressive conditions were found in 52% (16/31) of the adult patients, including lymphoid hemopathies, diabetes and immunosuppressive drugs. Conclusions: This disease, though rare and usually considered a mostly benign disease in non-HIV patients, presented a relatively high mortality rate in our cohort. Thus, histoplasmosis should be suspected, screened and investigated as a first line of defense in highly endemic areas, even in immunocompetent and non-HIV patients, especially those with fever or chronic respiratory symptoms.
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  • 文章类型: Journal Article
    背景:蜱和虱子传播的复发性发热被高度忽视,由多种疏螺旋体属引起的媒介传播疾病。目前,没有关于肯尼亚蜱和虱子传播的复发性螺旋体热流行的数据。这里,我们提供了肯尼亚北部虱子传播的复发性热(LBRF)血清阳性率的回顾性研究数据。
    方法:一种新的免疫测定法,最近为诊断LBRF而建立的用于筛选2005年从图尔卡纳县没有来源的发烧个体收集的血液样本,2009年至2010年肯尼亚抗LBRF抗体。
    结果:在分析的2005年血清中,287个样品(14.3%)被认为是抗LBRFIgG阳性。随后的分析显示,从这些2005年样品中随机选择的152份血清中的87份对于抗LBRFIgM抗体测试为阳性(57.2%)。大多数IgG和IgM阳性样品来自居住在图尔卡纳县北部地区的个体。
    结论:我们的血清学发现为肯尼亚LBRF的发生提供了强有力的证据。
    BACKGROUND: Tick- and louse-borne relapsing fever are highly-neglected, vector-borne diseases caused by diverse Borrelia species. Presently, there are no data available on the endemicity of tick- and louse-borne relapsing fever spirochetes in Kenya. Here, we present data of a retrospective study on the seroprevalence of louse-borne relapsing fever (LBRF) in northern Kenya.
    METHODS: A novel immunoassay, recently established for the diagnosis of LBRF was utilized to screen 2005 blood samples collected from individuals with fever without a source in Turkana County, Kenya between May 2009 and November 2010 for anti-LBRF antibodies.
    RESULTS: Out of the 2005 sera analyzed, 287 samples (14.3 %) were considered anti-LBRF IgG positive. Subsequent analyses revealed that 87 out of 152 sera randomly selected from these 2005 samples were tested positive (57.2 %) for anti-LBRF IgM antibodies. Most of the IgG and IgM positive samples were from individuals living in northern regions of Turkana County.
    CONCLUSIONS: Our serological finding provides strong evidence for the occurrence of LBRF in Kenya.
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