By Marc Dewey (auth.)
Computed tomography of the center has turn into a hugely actual diagnostic modality that's attracting expanding recognition. This largely illustrated e-book goals to aid the reader in integrating cardiac CT into day-by-day medical perform, whereas additionally reviewing its present technical prestige and purposes. transparent suggestions is equipped at the functionality and interpretation of imaging utilizing the most recent know-how, which deals higher assurance, higher spatial solution, and speedier imaging. the categorical gains of scanners from all 4 major proprietors, together with those who have just recently develop into to be had, are offered. one of the wide selection of purposes and matters to be mentioned are coronary artery skip grafts, stents, plaques, and anomalies, cardiac valves, congenital and purchased middle affliction, and radiation publicity. Upcoming medical makes use of of cardiac CT, reminiscent of plaque imaging and useful overview, also are explored.
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Sample text
There are a number of reasons for the first-line use of echocardiography: It offers a noninvasive approach, without radiation exposure; it does not involve renal clearance of the contrast medium; it is available in intensive care units, emergency and operating rooms; and extensive education and training in this technique is offered in most countries. However, despite these advantages, echocardiography and MRI have recognized weaknesses in terms of calcium detection, plaque characterization, imaging of the pulmonary circulation, and direct visualization of the coronary arteries or bypass grafts.
J Am Coll Cardiol 50:1469–1475 15 16 17 18 19 20 21 Mollet NR, Hoye A, Lemos PA et al (2005) Value of preprocedure multislice computed tomographic coronary angiography to predict the outcome of percutaneous recanalization of chronic total occlusions. Am J Cardiol 95:240–243 Mowatt G, Cook JA, Hillis GS, Walker S, Fraser C, Jia X, Waugh N (2008) 64-Slice computed tomography angiography in the diagnosis and assessment of coronary artery disease: systematic review and meta-analysis. Heart 94:1386–1393 Nandalur KR, Dwamena BA, Choudhri AF, Nandalur MR, Carlos RC (2007) Diagnostic performance of stress cardiac magnetic resonance imaging in the detection of coronary artery disease: a metaanalysis.
A small proportion of patients with heart failure, assumed to be nonischemic, will have obstructive coronary artery disease. Calcium scanning and/or CT angiography can be a useful alternative to rule out coronary arty disease in most of these patients. 6 oninvasive Angiographic Follow-Up N After Coronary Revascularization Follow-up of patients after revascularization is more complicated than assessing patients without stents or bypass grafts, by any modality. Cardiac CT is limited by specific imaging complications of the stent material (Chap.