1. What is Directional coronary atherectomy (DCA)?
This animation shows a Directional Coronary Atherectomy (DCA) procedure performed to remove the blockage from the coronary arteries by a tiny spinning cutter that slices away plaque lesions and stores them to be withdrawn.
http://www.medhelp.org/medical-information/show/6008/Directional-coronary-ather...

2. INOVA HEALTH SYSTEM : TREATMENT OPTIONS : Directional Coronary Atherectomy (DCA)
The directional atherectomy can be used to treat many types of blockages in large arteries. Directional atherectomy may be useful in treating eccentric bloc...
http://www.inova.com/heart/treatment_options/coronary_athrectomy.jsp

3. Superoxide Generation in Directional Coronary Atherectomy Specimens of Patients With Angina Pecto...
Superoxide Generation in Directional Coronary Atherectomy Specimens of Patients With Angina Pectoris. 10.1161/01.ATV.0000037101.40667.62 -- Arteriosclerosis...
http://atvb.ahajournals.org/cgi/content/short/01.ATV.0000037101.40667.62v1