Journal
CYTOKINE
Volume 140, Issue -, Pages -Publisher
ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
DOI: 10.1016/j.cyto.2021.155435
Keywords
IL-6; IL-10; Vitamin D; Vitamin C; Knee arthroplasty
Funding
- USANA Health Sciences, Inc. (Salt Lake City, UT)
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The study found that taking a multi-vitamin with mineral supplement before total knee arthroplasty (TKA) surgery can significantly reduce the post-operative increase in interleukin ratio, but does not alleviate the rise in IL-6 and hsCRP levels. More research is needed to confirm or refute these findings.
Circulating interleukin (IL)-6 and IL-10 concentrations can be elevated following the surgically induced trauma of total knee arthroplasty (TKA). An exaggerated increase in IL-6 relative to IL-10 (i.e., IL-6/IL-10 ratio) associates with trauma severity and indicative of pro-inflammatory predominance. Although various vitamins and minerals alter individual IL-6 and IL-10 concentrations in the blood, surprisingly, it is unknown if a multi-vitamin supplement alters the IL-6/IL-10 ratio during the systemic inflammatory response following TKA. The objective of this study was to identify if a multi-vitamin with mineral supplement taken prior to alters the circulating IL-6/ IL-10 ratio following total knee arthroplasty (TKA). This study consisted of a randomized, double-blind, placebo controlled design. Twenty-one subjects undergoing elective, primary, unilateral TKA were randomly assigned to a placebo (PL, n = 11) or multi-vitamin with mineral supplement (MV, n = 10). Supplements were taken daily starting approximately 6-weeks prior to surgery. Supplements were not taken the day of surgery or during inpatient care 2-days after surgery. Circulating IL-6, IL-10, high-sensitivity CRP (hsCRP), vitamin C (ascorbic acid (AA)), vitamin D (25-hydroxyvitamin D (25(OH)D)), and vitamin E (alpha-tocopherol (alpha T)) concentrations were measured in fasting blood draw samples obtained similar to 6-weeks prior to surgery (and before starting supplementation), the morning of surgery, and 24-hours and 48-hours after surgery. MV supplementation tended to increase serum 25(OH)D and significantly increased plasma AA and plasma alpha T before surgery without mitigating the postoperative IL-6 and hsCRP increases. However, the post-operative increase in the serum IL-6/IL-10 ratio after surgery was significantly blunted in the MV group. Based on these findings, we conclude that a multi-vitamin with mineral supplement taken daily for several weeks before surgery might reduce the pro-inflammatory predominance after TKA. Future research confirming or refuting the novel data presented herein is needed.
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