Effectiveness of Ribavirin and Corticosteroids for Severe Acute Respiratory Syndrome - 12/08/11
, Matthew P. Muller, MD, FRCPC b, c, Lai-Ming Ho, PhD a, Thomas Tsang, MBBS, MPH d, Su-Vui Lo, MBChB, FRCP e, Marie Louie, MD, FRCPC c, Gabriel M. Leung, MD, MPH a
Reprint requests should be addressed to Benjamin J. Cowling, PhD, School of Public Health, Li Ka Shing Faculty of Medicine, The University of Hong Kong, 21 Sassoon Road, Pokfulam, Hong KongAbstract |
Objective |
Ribavirin and corticosteroids were used widely as front-line treatments for severe acute respiratory syndrome; however, previous evaluations were inconclusive. We assessed the effectiveness of ribavirin and corticosteroids as the initial treatment for severe acute respiratory syndrome using propensity score analysis.
Methods |
We analyzed data on 1755 patients in Hong Kong and 191 patients in Toronto with severe acute respiratory syndrome using a generalized propensity score approach.
Results |
The adjusted excess case fatality ratios of patients with severe acute respiratory syndrome receiving the combined therapy of ribavirin and corticosteroids within 2 days of admission, compared with those receiving neither treatment within 2 days of admission, were 3.8% (95% confidence interval, −1.5 to 9.2) in Hong Kong and 2.1% (95% confidence interval, −44.3 to 48.5) in Toronto.
Conclusions |
Our results add strength to the hypothesis that the combination of ribavirin and corticosteroids has no therapeutic benefit when given early during severe acute respiratory syndrome infection. Further studies may investigate the effects of these treatments later in disease course.
Le texte complet de cet article est disponible en PDF.Keywords : Corticosteroids, Effectiveness, Propensity score, Ribavirin, Severe acute respiratory syndrome
Plan
| Funding: This work was supported in part through a research grant from the Research Fund for the Control of Infectious Diseases of the Food and Health Bureau of the Hong Kong Special Administrative Region Government (grant no. HKU-AA-018) and by the Canadian Institutes for Health Research. |
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| Conflict of Interest: None of the authors have any conflicts of interest associated with the work presented in this manuscript. |
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| Authorship: All authors had access to the data and played a role in writing this manuscript. |
Vol 122 - N° 12
P. 1150.e11-1150.e21 - décembre 2009 Retour au numéro
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