false lumen

false lumen

in a dissecting aneurysm, the abnormal channel within the wall of the involved artery.

false lu·men

(fawls lū'mĕn)
In a dissecting aneurysm, the abnormal channel within the wall of the involved artery.
References in periodicals archive ?
1%; false lumen diameter remained stable or decreased in 82.
Coronary artery dissection results from separation of the layers of the arterial wall creating a false lumen between the intima and media or media and adventitia.
Spontaneous coronary artery dissection is defined as the haemorrhagic separation of the coronary artery media, with the creation of a false lumen, in the absence of precipitating factors (1).
Dissection occurs when a laceration in the aortic intima allows pressurized blood to enter into and dissect between layers of the aortic media, forming a second or false lumen (as opposed to the true lumen).
Given the diffuse involvement of the dissections and fear of further propagation of the dissection with percutaneous coronary intervention (PCI) or grafting into a false lumen with bypass surgery, the patient was managed with continued medical therapy.
A control CT scan on March 5 demonstrated the diameter of the false lumen created by the aortic dissection to be 15% to 20% smaller in the segment treated by the Powerlink DSS in the first four days, and the patient was able to leave the hospital on March 6.
False lumen creation, vessel wall injury or disruption, and acute vessel compromise are all potential complications of this procedure (5, 9).
The Outback Re-Entry Catheter is designed to provide a simple and safe re-entry process that quickly redirects a guidewire from the false lumen back into the true lumen of the artery.
LuMend's second device, the Switchback Coronary Catheter, is designed to assist in entering the true arterial lumen from a false lumen when a pathway has been created within the arterial wall.