Clinical Illness and Outcomes in Patients with Ebola in Sierra Leone

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Clinical Illness and Outcomes in Patients with Ebola in Sierra Leone

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Title: Clinical Illness and Outcomes in Patients with Ebola in Sierra Leone
Author: Schieffelin, John S.; Shaffer, Jeffrey G.; Goba, Augustine; Gbakie, Michael; Gire, Stephen; Colubri, Andres; SEALFON, RACHEL; Kanneh, Lansana; Moigboi, Alex; Momoh, Mambu; Fullah, Mohammed; Moses, Lina M.; Brown, Bethany L.; Andersen, Kristian G; Winnicki, Sarah M.; Schaffner, Stephen; Park, Daniel John; Yozwiak, Nathan; Jiang, Pan-Pan Xueke; Kargbo, David; Jalloh, Simbirie; Fonnie, Mbalu; Sinnah, Vandi; French, Issa; Kovoma, Alice; Kamara, Fatima K.; Tucker, Veronica; Konuwa, Edwin; Sellu, Josephine; Mustapha, Ibrahim; Foday, Momoh; Yillah, Mohamed; Kanneh, Franklyn; Saffa, Sidiki; Massally, James L.B.; Boisen, Matt L.; Branco, Luis M.; Vandi, Mohamed A.; Grant, Donald S.; Happi, Christian Tientcha; Gevao, Sahr M.; Fletcher, Thomas E.; Fowler, Robert A.; Bausch, Daniel G.; Sabeti, Pardis Christine; Khan, S. Humarr; Garry, Robert F.

Note: Order does not necessarily reflect citation order of authors.

Citation: Schieffelin, John S., Jeffrey G. Shaffer, Augustine Goba, Michael Gbakie, Stephen K. Gire, Andres Colubri, Rachel S.G. Sealfon, et al. 2014. “Clinical Illness and Outcomes in Patients with Ebola in Sierra Leone.” N Engl J Med 371 (22) (November 27): 2092–2100. doi:10.1056/nejmoa1411680.
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Research Data: http://dx.doi.org/10.7910/DVN/29296
Abstract: Background;Limited clinical and laboratory data are available on patients with Ebola virus disease (EVD). The Kenema Government Hospital in Sierra Leone, which had an existing infrastructure for research regarding viral hemorrhagic fever, has received and cared for patients with EVD since the beginning of the outbreak in Sierra Leone in May 2014. Methods;We reviewed available epidemiologic, clinical, and laboratory records of patients in whom EVD was diagnosed between May 25 and June 18, 2014. We used quantitative reverse-transcriptase–polymerase-chain-reaction assays to assess the load of Ebola virus (EBOV, Zaire species) in a subgroup of patients. Results;Of 106 patients in whom EVD was diagnosed, 87 had a known outcome, and 44 had detailed clinical information available. The incubation period was estimated to be 6 to 12 days, and the case fatality rate was 74%. Common findings at presentation included fever (in 89% of the patients), headache (in 80%), weakness (in 66%), dizziness(in 60%), diarrhea (in 51%), abdominal pain (in 40%), and vomiting (in 34%). Clinical and laboratory factors at presentation that were associated with a fatal outcome included fever, weakness, dizziness, diarrhea, and elevated levels of blood urea nitrogen, aspartate aminotransferase, and creatinine. Exploratory analyses indicated that patients under the age of 21 years had a lower case fatality rate than those over the age of 45 years (57% vs. 94%, P=0.03), and patients presenting with fewer than 100,000 EBOV copies per milliliter had a lower case fatality rate than those with 10 million EBOV copies per milliliter or more (33% vs. 94%, P=0.003). Bleeding occurred in only 1 patient.Conclusions; The incubation period and case fatality rate among patients with EVD in Sierra Leone are similar to those observed elsewhere in the 2014 outbreak and in previous outbreaks. Although bleeding was an infrequent finding, diarrhea and other gastrointestinal manifestations were common. (Funded by the National Institutes of Health and others.)
Published Version: doi:10.1056/NEJMoa1411680
Terms of Use: This article is made available under the terms and conditions applicable to Other Posted Material, as set forth at http://nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of-use#LAA
Citable link to this page: http://nrs.harvard.edu/urn-3:HUL.InstRepos:14412251
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