Impact of #Intravenous #Fluid #Therapy on #Survival Among Patients with #Ebola Virus Disease: An #International Multisite Retrospective Cohort Study (Clin Infect Dis., abstract)

[Source: US National Library of Medicine, full page: (LINK). Abstract, edited.]

Clin Infect Dis. 2019 May 3. pii: ciz344. doi: 10.1093/cid/ciz344. [Epub ahead of print]

Impact of Intravenous Fluid Therapy on Survival Among Patients with Ebola Virus Disease: An International Multisite Retrospective Cohort Study.

Aluisio AR1, Yam D2, Peters JL3, Cho DK3, Perera SM4, Kennedy SB5, Massaquoi M5, Sahr F6, Smit MA7, Liu T2, Levine AC1.

Author information: 1 Department of Emergency Medicine, Brown University Alpert Medical School, Providence, RI, USA. 2 Center for Statistical Sciences, Department of Biostatistics, Brown University School of Public Health, Providence, RI, USA. 3 Brown University, Providence, RI, USA. 4 International Medical Corps, Washington, DC, USA. 5 Ministry of Health, Monrovia, Liberia. 6 Sierra Leone Ministry of Defense, Freetown, Sierra Leone. 7 Division of Infectious Diseases, Children’s Hospital Los Angeles, Los Angeles, CA, USA.

 

Abstract

BACKGROUND:

Intravenous fluid (IVF) is a frequently recommended intervention in Ebola Virus Disease (EVD), yet its impact on patient outcomes remains unclear.

METHODS:

This retrospective cohort study evaluated patients with EVD admitted to five Ebola Treatment Units (ETU) in West Africa. The primary outcome was the difference in 28-day survival between cases treated and not treated with IVF. To control for demographic and clinical factors related to both IVF exposure and survival, cases were compared using propensity score matching. To control for time-varying patient and treatment factors over the course of ETU care, a marginal structural proportional hazards model (MSPHM) with inverse probability weighting was used to assess for 28-day survival differences.

RESULTS:

Among 424 EVD positive cases with data for analysis, 354 (83.5%) were treated with IVF at some point during their ETU admission. Overall, 146 (41.3%) cases treated with IVF survived, while 31 (44.9%) cases not treated with any IVF survived (p=0.583). Matched propensity score analysis found no significant difference in 28-day survival between cases treated and not treated with IVF during their first 24 and 48 hours of care. Adjusted MSPHM survival analyses also found no significant difference in 28-day survival for cases treated with IVF (27.3%) compared to those not treated with IVF (26.9%) during their entire ETU admission (p=0.893).

CONCLUSION:

After adjustment for patient and treatment-specific time varying factors, there was no significant difference in survival among patients with EVD treated with IVF as compared to those not treated with IVF.

© The Author(s) 2019. Published by Oxford University Press for the Infectious Diseases Society of America. All rights reserved. For permissions, e-mail: journals.permissions@oup.com.

KEYWORDS: Ebola Virus Disease; West Africa; intravenous fluid; marginal structural models; survival

PMID: 31050703 DOI: 10.1093/cid/ciz344

Keywords: Ebola; West Africa.

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gimi69

I am an Italian blogger, active since 2005 with main focus on emerging infectious diseases such as avian influenza, SARS, antibiotics resistance, and many other global Health issues. Other fields of interest are: climate change, global warming, geological and biological sciences. My activity consists mainly in collection and analysis of news, public services updates, confronting sources and making decision about what are the 'signals' of an impending crisis (an outbreak, for example). When a signal is detected, I follow traces during the entire course of an event. I started in 2005 my blog ''A TIME'S MEMORY'', now with more than 40,000 posts and 3 millions of web interactions. Subsequently I added an Italian Language blog, then discontinued because of very low traffic and interest. I contributed for seven years to a public forum (FluTrackers.com) in the midst of the Ebola epidemic in West Africa in 2014, I left the site to continue alone my data tracking job.

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