Electrolyte and metabolic disturbances in Ebola patients during a clinical trial, Guinea, 2015

Johan van Griensven, Elhadj Ibrahima Bah, Nyankoye Haba, Alexandre Delamou, Bienvenu Salim Camara, Kadio Jean-Jacques Olivier, Hilde De Clerck, Helena Nordenstedt, Malcolm G Semple, Michel Van Herp, Jozefien Buyze, Maaike De Crop, Steven Van Den Broucke, Lutgarde Lynen, Anja De Weggheleire, Ebola-Tx Consortium

Research output: Contribution to journalA1: Web of Science-article

Abstract

By using data from a 2015 clinical trial on Ebola convalescent-phase plasma in Guinea, we assessed the prevalence of electrolyte and metabolic abnormalities at admission and their predictive value to stratify patients into risk groups. Patients underwent testing with a point-of-care device. We used logistic regression to construct a prognostic model and summarized the predictive value with the area under the receiver operating curve. Abnormalities were common among patients, particularly hypokalemia, hypocalcemia, hyponatremia, raised creatinine, high anion gap, and anemia. Besides age and PCR cycle threshold value, renal dysfunction, low calcium levels, and low hemoglobin levels were independently associated with increased risk for death. A prognostic model using all 5 factors was highly discriminatory (area under the receiver operating curve 0.95; 95% CI 0.90-0.99) and enabled the definition of risk criteria to guide targeted care. Most patients had a very low (<5%) or very high (>80%) risk for death.

Original languageEnglish
JournalEmerging Infectious Diseases
Volume22
Issue number12
Pages (from-to)2120-2127
Number of pages8
ISSN1080-6040
DOIs
Publication statusPublished - 2016

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