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Clinical features of severe type 7 adenovirus pneumonia: an analysis of 45 cases
ZHANG Xin-Ping, YANG Mei-Yu, ZHOU Xiong, CAO Jian-She, CAI Zi-Li, KANG Xia-Yan, XIE Bo, LIU Ying, HE Jie, XIAO Zheng-Hui
Chinese Journal of Contemporary Pediatrics ›› 2020, Vol. 22 ›› Issue (5) : 429-434.
PDF(1290 KB)
PDF(1290 KB)
Clinical features of severe type 7 adenovirus pneumonia: an analysis of 45 cases
Objective To study the clinical features of severe type 7 adenovirus pneumonia in children. Methods A retrospective analysis was performed for the clinical data of children who were diagnosed with severe type 7 adenovirus pneumonia from February to June, 2019. Results Among the 45 children, the male/female ratio was 3:2 and the median age was 14 months. All children had repeated fever, cough, and pulmonary moist rales, and the mean duration of fever was 14±4 days. The median time from fever to dyspnea was 8 days, and the time from fever to mechanical ventilation was 11.6±2.5 d. There was no significant increase in white blood cell count, with neutrophils as the main type. There were slight reductions in hemoglobin and albumin, while platelet and fibrinogen remained normal. There were increases in aspartate aminotransferase, lactate dehydrogenase, procalcitonin, and C-reaction protein. The detection rate of mixed pathogens was 84%. Effusion in both lungs was the major change on chest imaging (64%). Bronchoscopic manifestations were endobronchitis, tracheomalacia, and plastic bronchitis. The incidence rate of respiratory complications was 100%, and extrapulmonary complications mainly involved the circulatory system (47%), digestive system (36%), and nervous system (31%). Among the 45 children, 16 were administered with 400 mg/kg intravenous immunoglobulin (IVIG) daily for 5 days, with a mean duration of fever of 16±5 days, and 29 were administered with 1 g/kg IVIG daily for 2 days, with a mean duration of fever of 13±4 days; there was a significant difference in the mean duration of fever between the two groups (P=0.046). The overall mortality rate was 11%. Conclusions Severe type 7 adenovirus pneumonia in children has severe conditions, with a high incidence rate of complications and a high mortality rate, so it should be diagnosed and treated as early as possible.
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