New Developments in Quantitative Coronary Arteriography by Rüdiger Brennecke (auth.), Johan H. C. Reiber PhD, Patrick PDF

By Rüdiger Brennecke (auth.), Johan H. C. Reiber PhD, Patrick W. Serruys MD FACC (eds.)

ISBN-10: 9400913095

ISBN-13: 9789400913097

ISBN-10: 9401070822

ISBN-13: 9789401070829

There are few thoughts that experience inspired healing techniques in modem cardiology to an identical quantity as coronary arteriography. pass surgical procedure in addition to transluminal coronary angioplasty don't have been attainable with out coronary angiography serving as a 'midwife' of their evolu­ tion. regardless of the common and long-standing use in scientific perform, even if, the translation of coronary angiograms has now not replaced a great deal because the early days. such a lot angiogr~s are nonetheless reviewed in a visible and semi-quantitative and therefore usually very subjective approach. within the face of a virtually exploding box for interventional catheterization together with thrombolysis, balloon dilatation, and different speedily evolving strategies for transluminal revascularization or recanalization, a extra targeted and quantitative research of coronary arteriograms is urgently required. as well as the delineation of coronary morphology, we want dynamic and useful information regarding movement and perfusion to appreciate the physiological value of anatomic abnormalities. Coronary arteriography includes and will offer such a lot of this data. With the applying of acceptable innovations, it may be made to be had within the catheterization laboratory even through the patient's investiga­ tion, therefore facilitating and enhancing medical choice making. goal and reproducible research will in addition increase our figuring out in regards to the pathophysiology of coronary disease.

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Digital imaging in cardiovascular radiology. ·Georg Thieme Verlag, Stuttgart 1983: pp 89-104. Nalcioglu 0, Roeck WW, Pearce JG, Gillan GD, Milne ENC: Quantitative fluoroscopy. IEEE Trans on Nucl Sci NS-28(1): 219-223, 1981. Spears JR: Rotating step-wedge technique for extraction of luminal cross-sectional area information from single plane coronary cineangiograms. Acta Radiol Diagn 22: 217-225, 1981. Baily NA: Video techniques for X-ray imaging and data extraction from roentgenographic and fluoroscopic presentations.

For example, if an iodine calibration is obtained over the lung field, and quarttification of contrast thickness is performed over the mediasteinum or abdominal region, then considerable error may be accumulated. It is therefore recommended, that a calibration object and SVG estimate be obtained as close as reasonably possible to the region requiring quantification. Narrow beam densitometric calibration of our system produced values of iodine and tin attenuation similar to those reported in the literature [14, 29].

35 mm Cinefilm acquisition possible simultaneously with digital acquisition? If yes, what are the limitations? results are presented in Table I. The available software for quantitative analysis of the images will be discussed later. At the present time there are only four groups (Doriot, Marchand, Parker, Vogel) actively involved in the development of state-of-the-art quantitative software packages for on-line coronary angiography. Doriot and Parker use the Siemens Digitron II system, Marchand the CGR system and Vogel the ADAC system (Table I, item 1); Vogel was the first one developing and using high quality software packages for the description of the morphologic and functional severity of coronary stenoses on an on-line digital system [18-20].

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New Developments in Quantitative Coronary Arteriography by Rüdiger Brennecke (auth.), Johan H. C. Reiber PhD, Patrick W. Serruys MD FACC (eds.)


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