Perioperative Time Course of MMP-9 and Its Inhibitor During Carotid Artery Stenting and Carotid Endarterectomy

Patient undergo elective carotid artery stenting. In this patient group blood sampling was performed at three time points: T1, at the time of the insertion of the arterial line; T2, 60 min after stent insertion; and T3: the first postoperative morning.

Patient undergo elective carotid endarterectomy. Group samples were collected at the following four time points: T1, at the time of the insertion of the arterial line; T2, 60 min after cross-clamp release; T3, the first postoperative morning; and T4, the third postoperative morning. A matched subgroup of patients from the previously obtained data served as a historical control.