St. John's Wort (Hypericum perforatum) GENERIC NAME: Hypericum perforatum. BRAND NAME: St. John's Wort. DRUG CLASS AND MECHANISM: St. John's wort is a commonly used over-the-counter (OTC) dietary supplement that is used to treat mild depression, anxiety, and sleep disorders. St. John's wort is a plant that has bright yellow flowers.
Coronary artery chronic total occlusion (CTO) is complete or almost complete blockage of a coronary artery for 30 or more days. Coronary CTO is caused by a heavy build-up of atherosclerotic plaque within the artery.
The mechanism of stroke in basilar artery occlusion differs depending on the segment of the vessel involved. Atherosclerotic occlusive disease predominantly affects the midsegment of the basilar artery, followed by the vertebrobasilar junction.