期刊
CLINICAL INFECTIOUS DISEASES
卷 45, 期 7, 页码 E96-E100出版社
OXFORD UNIV PRESS INC
DOI: 10.1086/521244
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Crimean-Congo hemorrhagic fever (CCHF) is a potentially fatal disease affecting multiple organ systems. To determine the association between viral load and severity of CCHF infection, quantitative measurement of CCHF virus was performed using 1-step reverse-transcriptase polymerase chain reaction for 36 patients with CCHF infection. Viral loads ranged from 1.1 x 10(3) copies/mL to >= 9.9 x 10(9) copies/mL. Nine (25%) of 36 patients died. In 8 of the 9 patients with fatal outcomes, viral loads were detected that were >= 1 x 10(9) copies/mL, whereas in 25 of the 26 patients with nonfatal outcomes, viral loads were detected that were <1 x 10(9) copies/mL (P < .001). A viral load >= 1 x 10(9) RNA copies/ mL can be considered to predict a fatal outcome with a positive predictive value of 80%, with 88.9% sensitivity and 92.6% specificity. We suggest that viral load is a measure of the severity of CCHF.
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