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Title: Multislice computed tomography coronary angiography: risk stratification of patients in the perioperative period.
Austin Authors: Weinberg, Laurence ;Spanger, M C;Harley, I ;Story, David A ;Hall, A
Affiliation: Department of Anaesthesia, Austin Health, Heidelberg, Victoria, Australia
Issue Date: 1-May-2008
Publication information: Anaesthesia and Intensive Care; 36(3): 308-23
Abstract: Multislice computed tomography coronary angiography is emerging as a reliable non-invasive method for the assessment of coronary artery disease, coronary anatomy and cardiac function. Improvements in computed tomography technology hold the promise of replacing the standard invasive procedure of conventional coronary angiography in selected patient groups. The ability of a six-second scan to identify flow-limiting coronary artery stenoses as well as characterising coronary atheromatous plaque components provides valuable information that can assist in refining perioperative cardiovascular risk. Multislice computed tomography's high negative predictive value and high specificity for stenoses allows it to effectively rule out coronary artery disease in patients with cardiac risk factors who have non-diagnostic or equivocal non-invasive cardiac stress tests. Other uses include evaluating patients who are symptomatic following percutaneous coronary intervention, evaluating coronary artery bypass grafts and coronary stent patency, detecting coronary stenosis prior to valve surgery and assessing coronary anatomy in patients with technically difficult arterial access. Avoiding the small but definite risks of conventional coronary angiography makes cardiac computed tomography an appealing alternative. An overview of multislice computed tomography is presented with particular attention placed on its role in the risk stratification of selected patients in the perioperative period. A risk stratification algorithm is suggested.
Gov't Doc #: 18564792
Journal: Anaesthesia and Intensive Care
Type: Journal Article
Subjects: Calcium.metabolism
Coronary Angiography.methods
Coronary Artery
Perioperative Care.methods
Preoperative Care
Risk Assessment
Surgical Procedures, Operative.adverse effects
Tomography, X-Ray Computed.methods
Appears in Collections:Journal articles

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