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Clinical and laboratory signs as dengue markers during an outbreak in Rio de Janeiro.

机译:在里约热内卢爆发期间,临床和实验室标志为登革热标记。

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BACKGROUND: One of the main challenges for clinical research in dengue is the low validity of clinical diagnosis. OBJECTIVE: To analyze clinical and laboratory data as predicitve factors of dengue diagnosis at Evandro Chagas Clinical Research Institute, Oswaldo Cruz Foundation, during the 2001-2002 dengue outbreak in Rio de Janeiro. METHODS: Cross sectional study comparing clinical laboratory data collected from the National Information System for Compulsory Notification Diseases (SINAN) in two serologically confirmed groups: dengue D (N = 453) and non-dengue ND (N = 80). RESULTS: Fever, exanthema, itching, mean platelet count < 150,000, WBC count < 4,000 and absence of vomiting and of abdominal pain help to distinguish D from ND groups. When considered individually, these signs and symptoms enhance diagnostic sensitivity and, when used in combination, improve specificity. CONCLUSION: A combination of symptoms not necessarily considered indicative of dengue diagnosis could improve surveillance and medical decision-making in simple clinical settings.
机译:背景:登革热临床研究的主要挑战之一是临床诊断的有效性低。目的:分析临床和实验室数据,作为2001年至2002年里约热内卢爆发登革热期间奥斯瓦尔多·克鲁兹基金会(Eswaldo Cruz Foundation)埃文德罗·查加斯(Evandro Chagas)临床研究所进行登革热诊断的主要因素。方法:横断面研究比较了从国家强制性疾病通报系统(SINAN)收集的两个血清学确诊组的临床实验室数据:登革热D(N = 453)和非登革热ND(N = 80)。结果:发烧,皮疹,瘙痒,平均血小板计数<150,000,白细胞计数<4,000,无呕吐和腹痛有助于将D与ND组区别开。单独考虑时,这些体征和症状可提高诊断敏感性,并结合使用可提高特异性。结论:不一定被认为可以指示登革热诊断的症状组合可以改善简单的临床环境中的监测和医疗决策。

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