3D reconstruction of coronary stents in vivo based on motion compensated X-ray angiograms.
A new method is introduce for the three-dimensional (3D) reconstruction of the coronary stents in-vivo utilizing two-dimensional projection images acquired during rotational angiography (RA). The method is based on the application of motion compensated techniques to the acquired angiograms resulting in a temporal snapshot of the stent within the cardiac cycle. For the first time results of 3D reconstructed coronary stents in vivo, with high spatial resolution are presented. The proposed method allows for a comprehensive and unique quantitative 3D assessment of stent expansion that rivals current x-ray and intravascular ultrasound techniques.
Movassaghi
Babak
B
Philips Research North America, 345 Scarborough Road, Briarcliff Manor, New York, USA. babak.movassaghi@philips.com
Schaefer
Dirk
D
Grass
Michael
M
Rasche
Volker
V
Wink
Onno
O
Garcia
Joel A
JA
Chen
James Y
JY
Messenger
John C
JC
Carroll
John D
JD
D000465:Algorithms; D016477:Artifacts; D001185:Artificial Intelligence; D001807:Blood Vessel Prosthesis; D017023:Coronary Angiography / Q000379:methods*; D003331:Coronary Vessels / Q000601:surgery*; D006801:Humans; D021621:Imaging, Three-Dimensional / Q000379:methods*; D009068:Movement; D010363:Pattern Recognition, Automated / Q000379:methods; D019919:Prosthesis Implantation / Q000379:methods*; D011856:Radiographic Image Enhancement / Q000379:methods; D011857:Radiographic Image Interpretation, Computer-Assisted / Q000379:methods*; D015203:Reproducibility of Results; D012680:Sensitivity and Specificity; D015607:Stents