This study evaluates the pathophysiological effects of a single dose methylprednisolone administered prior to total knee-arthroplasty surgery (TKA). The investigators examine the effect on the endothelial glycocalyx shedding due to surgical trauma. Half of participants will receive intravenous Solu-Medrol 125 mg, while the other half will receive placebo. The investigators hypothesize that the group receiving methylprednisolone will experience reduction in glycocalyx degradation compared to the placebo-group, early after TKA.
The anti-inflammatory effects of glucocorticoids are well known. The beneficial effects on postoperative pain, postoperative nausea and vomiting are well-documented. Postoperatively, activation and / or dysregulation of the inflammatory system influence on the endothelial glycocalyx. Damage of the vascular endothelia increases the risk of cardiovascular and thromboembolic complications. In animal studies glucocorticoids have been found to preserve the endothelial glycocalyx and the vascular barrier. The effect of glucocorticoids on human endothelial glycocalyx after surgery is unknown and calls for further investigation. This study is embedded in a primary study registrated as: NCT02319343 For further details please view the EudraCT registration: EudraCT nr.: 2014-003395-23
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Masking
QUADRUPLE
Enrollment
70
Comparison of preoperative single high dose of Methylprednisolone 125 mg iv. and isotonic Sodium Chloride
Placebo
Bispebjerg Hospital
Copenhagen NV, Denmark
Change in plasma Syndecan-1 from baseline (before surgery) to 24 hours after surgery
Time frame: baseline to 24 hours
Change in plasma soluble Thrombomodulin from baseline (before surgery) to 24 hours after surgery
Time frame: baseline to 24 hours
Change in plasma SE-Selectin from baseline (before surgery) to 24 hours after surgery
Time frame: One day after surgery
Change in plasma VE-Cadherin from baseline (before surgery) to 24 hours after surgery
Time frame: baseline to 24 hours
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