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Household Transmission of Human Adenovirus Type 55 in Case of Fatal Acute Respiratory Disease.

ABSTRACT: We identified a case of fatal acute respiratory disease from household transmission of human adenovirus type 55 (HAdV-55) in Anhui Province, China. Computed tomography showed severe pneumonia. Comparative genomic analysis of HAdV-55 indicated the virus possibly originated in Shanxi Province, China. More attention should be paid to highly contagious HAdV-55.

SUBMITTER: Jing S

PROVIDER: S-EPMC6711205 | biostudies-literature | 2019 Sep

REPOSITORIES: biostudies-literature

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Household Transmission of Human Adenovirus Type 55 in Case of Fatal Acute Respiratory Disease.

Jing Shuping S Zhang Jing J Cao Mengchan M Liu Minhong M Yan Yuqian Y Zhao Shan S Cao Na N Ou Junxian J Ma Kui K Cai Xiangran X Wu Jianguo J Mei Ya-Fang YF Zhang Qiwei Q

Emerging infectious diseases 20190901 9

We identified a case of fatal acute respiratory disease from household transmission of human adenovirus type 55 (HAdV-55) in Anhui Province, China. Computed tomography showed severe pneumonia. Comparative genomic analysis of HAdV-55 indicated the virus possibly originated in Shanxi Province, China. More attention should be paid to highly contagious HAdV-55. ...[more]

PMID: 31441750

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Project description:Since 2008, severe cases of emerging human adenovirus type 55 (HAdV-55) in immunocompetent adults have been reported sporadically in China. The clinical features and outcomes of the most critically ill patients with severe acute respiratory distress syndrome (ARDS) caused by HAdV-55 requiring invasive mechanical ventilation (IMV) and/or extracorporeal membrane oxygenation (ECMO) are lacking.We conducted a prospective, single-center observational study of pneumonia with ARDS in immunocompetent adults admitted to our respiratory ICU. We prospectively collected and analyzed clinical, laboratory, radiological characteristics, sequential tests of viral load in respiratory tract and blood, treatments and outcomes.The results for a total of five consecutive patients with severe ARDS with confirmed HAdV-55 infection were included. All five patients were immunocompetent young men with a median age of 32 years. The mean time from onset to dyspnea was 5 days. Arterial blood gas analysis at ICU admission revealed profound hypoxia. Mean partial oxygen pressure/fraction of inspired oxygen was 58.1. Mean durations from onset to a single-lobe consolidation shown on chest X-rays (CXRs) and, from the first positive CXR to bilateral multilobar lung infiltrates, were 2 days and 4.8 days, respectively. The viral load was higher than 1?×?108 copies in three patients and was 1?×?104 in one patient. It was negative in the only patient who survived. The mean duration for noninvasive positive pressure ventilation (NPPV) failure and IMV failure were 30.8 hours and 6.2 days, respectively. Four patients received venovenous ECMO. Four (80%) of the five patients died despite receiving appropriate respiratory support.HAdV-55 may cause severe ARDS in immunocompetent young men. Persistent high fever, dyspnea and rapid progression to respiratory failure within 2 weeks, together with bilateral consolidations and infiltrates, are the most frequent clinical manifestations of HAdV-55-induced severe ARDS. Viral load monitoring may help predict disease severity and outcome. The NPPV and IMV failure rates were very high, but ECMO may still be the respiratory support therapy of choice.Clinicaltrials.gov NCT01585922. Registered 20 April 2012.

Dataset Information

Household Transmission of Human Adenovirus Type 55 in Case of Fatal Acute Respiratory Disease.

Publications

Household Transmission of Human Adenovirus Type 55 in Case of Fatal Acute Respiratory Disease.

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