Results 81 to 90 of about 1,124,740 (358)

A Soft‐Tip Hydraulically Steerable Catheter for Enhanced Flexibility and Safety in Vascular Interventions

Advanced Intelligent Systems, EarlyView.
This study introduces a hydraulically steerable catheter with a soft tip in vascular procedures. The steering soft tip achieves a minimal diameter of 2.6 mm and supports a 180° bend. Real‐time shape and position tracking, facilitated by segmentation and endpoint detection techniques, improves navigation.
Jingyi Kang, Ye Wang, Jiayuan Liu, Zhuhao Wang, Xuan Yang, Jie Wang, Jian Wu, Guochen Ning, Boyu Zhang, Hongen Liao   +9 more
wiley   +1 more source

Left Main Coronary Artery Hypoplasia in Elderly

Case Reports in Cardiology, 2016
Congenital anomalies of the coronary artery causing coronary occlusive disease may be of many different types. A 67-year-old woman with no coronary risk factors was referred for coronary angiography with few months’ history of angina.
Selma Kenar Tiryakioglu, Hakan Ozkan, Hakan Bahadir, Osman Tiryakioglu   +3 more
doaj   +1 more source

Coronary microvascular dysfunction equivalent to left main coronary artery disease

Türk Kardiyoloji Derneği Arşivi, 2017
Coronary microvascular dysfunction, also known as cardiac syndrome X, is a clinical syndrome presenting with typical angina and evidence of myocardial ischemia in the absence of flow-limiting stenosis on coronary angiography. Of patients undergoing
Cafer Panç, Mehmet Kocaağa, Onur Erdoğan, Remzi Sarıkaya, Sabahattin Umman   +4 more
doaj   +1 more source

Heparin and air filters reduce embolic events caused by intra-arterial cerebral angiography - A prospective, randomized trial [PDF]

, 2004
Background-Intra-arterial cerebral angiography is associated with a low risk for neurological complications, but clinically silent ischemic events after angiography have been seen in a substantial number of patients.Methods and Results-In a prospective ...
Bartsch, AJ, Bendszus, M, Goldbrunner, R, Gunthner-Lengsfeld, T, Koltzenburg, M, Roosen, K, Solymosi, L, Toyka, KV, Weilbach, FX   +8 more
core   +1 more source

Real-world clinical utility and impact on clinical decision-making of coronary computed tomography angiography-derived fractional flow reserve: lessons from the ADVANCE Registry

European Heart Journal, 2018
Aims Non-invasive assessment of stable chest pain patients is a critical determinant of resource utilization and clinical outcomes. Increasingly coronary computed tomography angiography (CCTA) with selective CCTA-derived fractional flow reserve (FFRCT ...
T. Fairbairn, K. Nieman, T. Akasaka, B. Nørgaard, D. Berman, G. Raff, L. Hurwitz-Koweek, G. Pontone, T. Kawasaki, N. Sand, J. Jensen, T. Amano, M. Poon, Kristian A. Øvrehus, J. Sonck, M. Rabbat, S. Mullen, B. de Bruyne, C. Rogers, H. Matsuo, Jeroen J. Bax, J. Leipsic, M. Patel   +22 more
semanticscholar   +1 more source

Real‐Time Guidewire Tip Tracking Using a Siamese Network for Image‐Guided Endovascular Procedures

Advanced Intelligent Systems, EarlyView.
Accurate guidewire navigation is critical for the success of endovascular procedures. This study presents a deep learning‐based framework that enables real‐time localization of the guidewire tip from intraoperative digital subtraction angiography images.
Tianliang Yao, Zhiqiang Pei, Yong Li, Yixuan Yuan, Peng Qi   +4 more
wiley   +1 more source

640-SLICE CT CORONARY ANGIOGRAPHY IN THE EARLY POSTOPERATIVE PERIOD AFTER CIRCUMFLEX ARTERY STENTING IN A PATIENT WITH ANOMALOUS ORIGIN OF THE RIGHT CORONARY ARTERY FROM THE LEFT SINUS OF VALSALVA

Вестник рентгенологии и радиологии, 2017
The paper describes a clinical observation showing the capabilities of three-dimensional dynamic 640-slice CT coronary angiography in the postoperative period after coronary artery stenting and in the presence of anomalous origin of coronary arteries ...
S. K. Ternovoy, N. S. Serova, O. S. Kondrashina, S. A. Kondrashin, V. V. Koblikov, S. A. Suchkova   +5 more
doaj   +1 more source

Prevalence of coronary artery fistula in adults performing coronary CT angiography among Egyptian population: a single center study

The Egyptian Journal of Radiology and Nuclear Medicine, 2023
Background The prevalence of coronary artery fistula (CAF) among Egyptian population is increasing due to widespread availability of coronary CT angiography using high-end CT scanners.
Amr Ahmed Mubarak
doaj   +1 more source

CT Coronary Angiography with 100kV tube voltage and a low noise reconstruction filter in non-obese patients: evaluation of radiation dose and diagnostic quality of 2D and 3D image reconstructions using open source software (OsiriX) [PDF]

, 2012
INTRODUCTION AND PURPOSE. Computed tomography coronary angiography (CTCA) has seen a dramatic evolution in the last decade owing to the availability of multislice CT scanners with 64 detector rows and beyond.
FAGGIONI, LORENZO
core  

Coronary angiography enhancement for visualization [PDF]

The International Journal of Cardiovascular Imaging, 2009
High quality visualization on X-ray angiograms is of great significance both for the diagnosis of vessel abnormalities and for coronary interventions. Algorithms for improving the visualization of detailed vascular structures without significantly increasing image noise are currently demanded in the market.
Yazhu Chen, Wouter Jukema, Shengxian Tu, Su Zhang, Johan H. C. Reiber, Gerhard Koning, Joan C. Tuinenburg   +6 more
openaire   +3 more sources