Vitamin C Can Shorten the Length of Stay in the IC
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Posted On: 01/26/2021 5:24:40 AM
Vitamin C Can Shorten the Length of Stay in the ICU: A Meta-Analysis
by Harri Hemilä 1,*OrcID andElizabeth Chalker 2
1
Department of Public Health, University of Helsinki, POB 41, FI-00014 Helsinki, Finland
2
School of Public Health, University of Sydney, Sydney 2006, Australia
*
Author to whom correspondence should be addressed.
Nutrients 2019, 11(4), 708; https://doi.org/10.3390/nu11040708
Received: 30 January 2019 / Revised: 12 March 2019 / Accepted: 18 March 2019 / Published: 27 March 2019
(This article belongs to the Special Issue Vitamin C in the Critically Ill, Effects on Oxidative Stress and the Immune System)
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Abstract
A number of controlled trials have previously found that in some contexts, vitamin C can have beneficial effects on blood pressure, infections, bronchoconstriction, atrial fibrillation, and acute kidney injury. However, the practical significance of these effects is not clear. The purpose of this meta-analysis was to evaluate whether vitamin C has an effect on the practical outcomes: length of stay in the intensive care unit (ICU) and duration of mechanical ventilation. We identified 18 relevant controlled trials with a total of 2004 patients, 13 of which investigated patients undergoing elective cardiac surgery. We carried out the meta-analysis using the inverse variance, fixed effect options, using the ratio of means scale. In 12 trials with 1766 patients, vitamin C reduced the length of ICU stay on average by 7.8% (95% CI: 4.2% to 11.2%; p = 0.00003). In six trials, orally administered vitamin C in doses of 1–3 g/day (weighted mean 2.0 g/day) reduced the length of ICU stay by 8.6% (p = 0.003). In three trials in which patients needed mechanical ventilation for over 24 hours, vitamin C shortened the duration of mechanical ventilation by 18.2% (95% CI 7.7% to 27%; p = 0.001). Given the insignificant cost of vitamin C, even an 8% reduction in ICU stay is worth exploring. The effects of vitamin C on ICU patients should be investigated in more detail. View Full-Text
Keywords: antioxidants; burns; artificial respiration; cardiac surgical procedures; cardiovascular system; critical care; dietary supplements; oxidative stress; sepsis; systematic review
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https://www.mdpi.com/2072-6643/11/4/708
by Harri Hemilä 1,*OrcID andElizabeth Chalker 2
1
Department of Public Health, University of Helsinki, POB 41, FI-00014 Helsinki, Finland
2
School of Public Health, University of Sydney, Sydney 2006, Australia
*
Author to whom correspondence should be addressed.
Nutrients 2019, 11(4), 708; https://doi.org/10.3390/nu11040708
Received: 30 January 2019 / Revised: 12 March 2019 / Accepted: 18 March 2019 / Published: 27 March 2019
(This article belongs to the Special Issue Vitamin C in the Critically Ill, Effects on Oxidative Stress and the Immune System)
View Full-Text Download PDF Browse Figures Citation Export
Abstract
A number of controlled trials have previously found that in some contexts, vitamin C can have beneficial effects on blood pressure, infections, bronchoconstriction, atrial fibrillation, and acute kidney injury. However, the practical significance of these effects is not clear. The purpose of this meta-analysis was to evaluate whether vitamin C has an effect on the practical outcomes: length of stay in the intensive care unit (ICU) and duration of mechanical ventilation. We identified 18 relevant controlled trials with a total of 2004 patients, 13 of which investigated patients undergoing elective cardiac surgery. We carried out the meta-analysis using the inverse variance, fixed effect options, using the ratio of means scale. In 12 trials with 1766 patients, vitamin C reduced the length of ICU stay on average by 7.8% (95% CI: 4.2% to 11.2%; p = 0.00003). In six trials, orally administered vitamin C in doses of 1–3 g/day (weighted mean 2.0 g/day) reduced the length of ICU stay by 8.6% (p = 0.003). In three trials in which patients needed mechanical ventilation for over 24 hours, vitamin C shortened the duration of mechanical ventilation by 18.2% (95% CI 7.7% to 27%; p = 0.001). Given the insignificant cost of vitamin C, even an 8% reduction in ICU stay is worth exploring. The effects of vitamin C on ICU patients should be investigated in more detail. View Full-Text
Keywords: antioxidants; burns; artificial respiration; cardiac surgical procedures; cardiovascular system; critical care; dietary supplements; oxidative stress; sepsis; systematic review
▼ Show Figures
https://www.mdpi.com/2072-6643/11/4/708
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