Study will enroll patients scheduled for hip arthroplasty. In each subject a flow-mediated dilatation capability (FMD) of the brachial artery will be measured prior to elective surgery, within 24 hours after surgery and 5-7 days after surgery. At each session the brachial artery diameter will be measured at rest, during cuff inflation and 50 seconds after cuff deflation. From above mentioned values the increase in the diameter of the artery during reactive hyperemia will be calculated. Simultaneously with the ultrasound investigations, the blood for determination of the endothelial dysfunction markers will be collected. The participants will be contacted again 3 months after the surgery and asked about the complications which may be associated with the surgery.
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rate of perioperative cardiovascular complications in patients scheduled for hip arthroplasty under spinal anesthesia related to endothelial dysfunction
Timeframe: 12 months