Quantitative three-dimensional IntraVascular UltraSound: improvements toward semi-automated border detection including the stent border
نویسندگان
چکیده
منابع مشابه
Automated border detection in three-dimensional echocardiography: principles and promises.
Several automated border detection approaches for three-dimensional echocardiography have been developed in recent years, allowing quantification of a range of clinically important parameters. In this review, the background and principles of these approaches and the different classes of methods are described from a practical perspective, as well as the research trends to achieve a robust method.
متن کاملGuiding and Optimization of Resynchronization Therapy with Dynamic Three-dimensional Echocardiography and Semi-automated Border Detection: a Feasibility Study
W e have used for this implant, 5 leads from 2 different producers: 2187 (16 pts), 4189 (18 pts), 4191 (25 pts) and 4193 (15 pts) from Medtronic and 4512 (48 pts) from Guidmt. As a parameter of better handl ing we have considered a reduced fluoro-time for the positioning of the LV lead. W e have made comparison in fluoro-time for each lead and dividing the 5 leads in two group: stylet-guided le...
متن کاملDynamic three-dimensional echocardiography combined with semi-automated border detection offers advantages for assessment of resynchronization therapy
Simultaneous electrical stimulation of both ventricles in patients with interventricular conduction disturbance and advanced heart failure improves hemodynamics and results in increased exercise tolerance, quality of life. We have developed a novel technique for the assessment and optimization of resynchronization therapy. Our approach is based on transthoracic dynamic three-dimensional (3D) ec...
متن کاملSirolimus-eluting stent for the treatment of in-stent restenosis: a quantitative coronary angiography and three-dimensional intravascular ultrasound study.
BACKGROUND We have previously reported the safety and effectiveness of sirolimus-eluting stents for the treatment of de novo coronary lesions. The present investigation explored the potential of this technology to treat in-stent restenosis. METHODS AND RESULTS Twenty-five patients with in-stent restenosis were successfully treated with the implantation of 1 or 2 sirolimus-eluting Bx VELOCITY ...
متن کاملLumen Border Detection of Intravascular Ultrasound via Denoising of Directional Wavelet Representations
In this paper, intravascular ultrasound (IVUS) grayscale images, acquired with a single-element mechanically rotating transducer, are processed with wavelet denoising and region-based segmentation to extract various layers of lumen contours and plaques. First, IVUS volumetric data is expanded on complex exponential wavelet-like basis functions, also known as Brushlets, which are well localized ...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Journal of the American College of Cardiology
سال: 2002
ISSN: 0735-1097
DOI: 10.1016/s0735-1097(02)82025-3