Where is Subintimal space?
Subintimal space in CTO PCI. Historically the subintmal space, which lies between the intima and adventitia, has been feared by coronary interventionalists with the notion that the coronary wire should be steered within the true lumen along the length of a stenosis or occlusion.
What is CTO in cath lab?
Chronic total occlusion (CTO) is a complete or nearly complete blockage of one or more coronary arteries. The blockage, typically present for at least three months, is caused by a buildup of plaque within a coronary artery.
What is CTO procedure?
CTO PCI is the use of small wires fed into the vessels through a catheter to break through the blockage and open up the vessel. An alternative to heart bypass surgery, the procedure is done in a cardiac catheterization laboratory through small incisions in the leg or arm.
What does Subintimal mean?
Medical Definition of subintimal : situated beneath an intima and especially between the intima and media of an artery subintimal hemorrhages.
What is Subintimal angioplasty?
Subintimal angioplasty is a minimally invasive percutaneous technique for the recanalization of occluded lower limb arteries (London 1993; Nydahl 1997). Subintimal angioplasty was first described in 1990 to overcome long and chronic arterial occlusions (Bolia 1990).
Can you put a stent in a 100% blocked artery?
“Patients typically develop symptoms when an artery becomes narrowed by a blockage of 70 percent or more,” says Menees. “Most times, these can be treated relatively easily with stents. However, with a CTO, the artery is 100 percent blocked and so placing a stent can be quite challenging.”
How long does a CTO procedure take?
The procedures vary in duration from two to five hours depending on the complexity of the blockages. All patients are admitted to the hospital overnight after the procedure in order to be monitored.
What is a subintimal dissection?
Subintimal tracking and reentry technique in which an intentional dissection is created using a knuckled wire distal to CTO to reenter the true lumen, followed by balloon angioplasty with an intent to achieve TIMI III flow.