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Chinese Journal of Mycology 2021, Vol. 16  Issue (1): 35-43.

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A retrospective analysis of the global cases caused by Exophiala dermatitidis

ZHU Xinlin1,2, HONG Nan3, ZHANG Chao1,2, CAI Liangqi4, LI Xinhua5, DENG Shuwen6, PAN Weihua1,2, CHEN Min1,2, LIAO Wanqing1,2   

  1. 1. Department of Dermatology, Changzheng Hospital, Naval Military Medical University, Shanghai 200003, China;
    2. Shanghai Key Laboratory of Molecular Medical Mycology, Shanghai 200003, China;
    3. Department of Dermatology, Jinling Hospital, Nanjing 210002, China;
    4. Department of Dermatology, the First Affiliated Hospital of Xiamen University, Xiamen 361000, China;
    5. Department of Dermatology, Taiyuan Centeral Hospital, Taiyuan 030001, China;
    6. Department of Medical Microbiology, People's Hospital of Suzhou National New & Hi-Tech Industrial Development Zone, Suzhou 215219, China
  • Received:2020-11-17 Published:2021-02-25

Abstract: Objective To analyze the epidemiological trends and clinical characteristics of global cases caused by Exophiala dermatitidis, and to provide a scientific basis for improving the clinical diagnosis and treatment of E. dermatitidis infections. Methods Using the method of literature review and meta-analysis to analyze the nationality, gender, age, risk factors, onset organs, clinical manifestations, diagnosis, treatment and prognosis for epidemiological and clinical characteristics of E. dermatitidis worldwide. Results E. dermatitidis infections could occur in immunocompetent and immunocompromised hosts. The gender ratio of the patients was 1.10:1.00, The most common age of onset was ranging from 51~60 years old. The lung (27.90%, 17/61) was the most frequently-affected organ, but the most common sites are different between in different regions. Approximately half (47.54%) of the patients had various underlying diseases or risk factors. Diagnosis of E. dermatitidis infections mainly relied on culture and molecular identification. For systemic infections caused by E. dermatitidis, combination of itraconazole and terbinafine were recommended. Conclusion The incidence of E. dermatitidis infections has increased recently. The most commonly-affected organs in systemic infections are lungs, and the diagnosis mainly depends on culture. Strengthening the antifungal susceptibility monitoring and the investigation of epidemiology for E. dermatitidis are crucial to improve the diagnosis and treatment of E. dermatitidis infections.

Key words: Exophiala dermatitidis, epidemiology, clinical features, phaeohyphomycosis

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