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find Keyword "宏基因组学" 4 results
  • 脑脊液宏基因组二代测序诊断李斯特菌脑膜脑炎一例

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  • 变应性支气管肺曲霉病合并肺诺卡菌感染一例并文献复习

    目的提高对变应性支气管肺曲霉病(allergic bronchopulmonary aspergillosis,ABPA)合并诺卡菌感染的认识。方法回顾我科诊断的1例ABPA合并诺卡菌感染的临床资料,结合文献复习ABPA和诺卡菌病的宿主特征、临床表现、影像特点等。结果患者男,79岁,退休工人,咳嗽、咳痰、喘息、胸闷20余年,有影像资料记录至少漏诊ABPA 6年。血嗜酸性粒细胞计数和比例升高,血清总IgE升高,胸部CT表现为中心型支气管扩张和浸润影,诱导痰中性粒细胞和嗜酸性粒细胞比例升高,肺泡灌洗液淋巴细胞和嗜酸性粒细胞比例升高,灌洗液mNGS、灌洗液和痰培养证实有诺卡菌和烟曲霉。给予糖皮质激素、伏立康唑、伊曲康唑和复方磺胺甲噁唑治疗,短期内临床症状减轻,血嗜酸性粒细胞下降,肺部影像有所好转,但血清总IgE无明显下降。复习文献,有3例个案报道。其中,2例ABPA治疗中继发诺卡菌感染,与应用糖皮质激素治疗引起免疫抑制有关,1例确诊ABPA前应用多种抗生素引起诺卡菌“二重感染”。结论ABPA和诺卡菌病的免疫状态不同,前者引起的支气管扩张可能是合并诺卡菌感染的危险因素。

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  • Clinical and pathological characteristics of Chlamydia psittaci pneumonia

    Objective To analyse the clinical and pathological characteristics of Chlamydia psittaci pneumonia, and increase the comprehensive understanding of the Chlamydia psittaci pneumonia. Methods Five patients diagnosed with Chlamydia psittaci pneumonia were selected in this hospital from November 2021 to November 2022, and their clinical and pathological characteristics were analysed. Results Out of these five patients, 2 patients were male and 3 were female, with a mean age (65±9) years and length of hospital stay (11 - 13) d. The first symptom of all five patients was fever; 3 patients were complicated with hypoxemia; there were several accompanying symptoms, including chilly, shiver, fatigue, headache, cough, muscle soreness, hearing loss and so on. In the laboratory indicators, white blood cell count was not significantly abnormal, the C-reactive protein and procalcitonin were high. In the chest CT, the diseased regions were mostly located in unilateral lesions, 3 cases were on the right side; the forms included pulmonary consolidation, lung glass opacity, pleural effusion, pleural thickening, etc.; the mNGS results of bronchoalveolar lavage fluid showed the Chlamydia psittaci; the pathology of lung biopsy showed significant proliferation of fibers in the interstitial lung and partly fibrosis, with histiocytic reaction and minimal lymphocyte infiltration. Conclusion Clearly diagnosing patients with pneumonia which are suspected being infected Chlamydia psittaci as soon as earlier can prompt anti-infection treatment, and avoid further damage to the lung interstitium, eventually decrease the deterioration of lung function and progression to severe pneumonia.

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  • 多西环素用于喹诺酮类治疗失败的大环内酯类耐药肺炎支原体肺炎一例

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