Results 81 to 90 of about 412,054 (215)
Background The interventional treatment of chronic total occlusion (CTO) with stent fracture as well as severe calcification was extremely difficult and no effective technique has been reported.
Yajun Xue +9 more
doaj +1 more source
Directional coronary atherectomy in unstable angina
To determine whether excision of complex, ulcerated plaque improves the risk of patients with unstable angina to the level of those with stable angina, the results of directional coronary atherectomy were compared in patients with these two syndromes.The procedural results of angioplasty in the setting of unstable angina are not as favorable as those ...
Abdelmeguid, Alaa E. +5 more
openaire +2 more sources
ABSTRACT Backgrounds Accurate stent positioning in aorto‐ostial lesions remains challenging due to complex three‐dimensional anatomy, lack of optimal fluoroscopic projections, and high rates of geographic miss. Stent overhang impairs guide catheter re‐engagement and complicates future revascularization.
Gregor Leibundgut +7 more
wiley +1 more source
Qualitative and quantitative contrasts in the mechanisms of lumen enlargement by coronary balloon angioplasty and directional coronary atherectomy [PDF]
Objectives. This study was designed to define and contrast the mechanisms of lumen enlargement from coronary balloon angioplasty and directional coronary atherectomy using intracoronary ultrasound imaging in vivo.Background.
Braden, Gregory A. +4 more
core +1 more source
Clinical, angiographic and procedural correlates of quantitative coronary dimensions after directional coronary atherectomy [PDF]
To define the clinical, angiographic and procedural correlates of quantitative coronary dimensions after directional coronary atherectomy, 400 lesions in 378 patients were analyzed with use of qualitative morphologic and quantitative angiographic methods.
Topol, Eric J. +10 more
core +1 more source
The revascularization strategy for severe calcification is one of the most pressing problems of modern percutaneous coronary interventions, since it is observed more and more often and significantly complicates traditional endovascular treatment ...
F. B. Shukurov +5 more
doaj +1 more source
Rotational Atherectomy Through Guide Extension Catheters: Indications, Technique, and Limitations
Rotational atherectomy (RA) is an established technique for the treatment of heavily calcified coronary artery disease. Severe coronary calcification remains a frequent cause of procedural difficulty and device delivery failure during complex ...
Evandro Martins Filho +9 more
doaj +1 more source
Directional Coronary Atherectomy: The Vienna Experience
Background: Several multicenter trials have shown excellent results for directional coronary atherectomy (DCA) in a selected patient cohort. To prove the applicability of this method in daily clinical routine and a nonselected patient cohort, we analyzed 46 consecutive cases performed at our catheterization lab. Methods: DCA was performed as a routine
K, Kiss +5 more
openaire +2 more sources
High-speed rotational atherectomy before paclitaxel-eluting stent implantation in complex calcified coronary lesions: the randomized ROTAXUS (Rotational Atherectomy Prior to Taxus Stent Treatment for Complex Native Coronary Artery Disease) trial [PDF]
OBJECTIVES This study sought to determine the effect of rotational atherectomy (RA) on drug-eluting stent (DES) effectiveness. BACKGROUND DES are frequently used in complex lesions, including calcified stenoses, which may challenge DES delivery,
Geist, Volker +11 more
core +2 more sources
Patients with obstructive coronary artery disease and severe aortic stenosis have traditionally been managed with open heart surgery. In the era of transcatheter aortic valve replacement (TAVR) and high-risk coronary interventions many of those patients ...
Omar Ali +2 more
doaj +1 more source

