Image Technology News - November 2008 - (Page 51)

Cardiovascular Imaging Systems COMPARISON CHART his comparison chart covers digital flat-panel designed for a combination of cardiac and vascular prodetector systems used for vascular, cardiac and cedures, it will also require acquisition frame rates of at interventional special procedures. X-ray fluoroleast 30 frames per second. scopic angiography is the predominant vascular imaging The angiography/special procedures and cardiac modality because it provides real-time images of blood catheterization suites should also have equipment for flow and vascular organ activity for assessing the patenmonitoring electrocardiograph signals, blood pressure, cy of blood vessels after trauma, disease or surgery; for cardiac output and oxygen saturation. Display monitors observing abnormal vasculature associated with tumor for physiologic data should be located in the room for growth and for providing anatomic and physiologic simultaneous observation of angiographic images and information before and during surgery. These techniques physiologic parameters during the procedure. Equipment are also used to decrease excessive blood flow caused by for managing cardiovascular and respiratory emergenpost-traumatic hemorrhaging, post-surgical bleeding or cies, such as defibrillators and ventilators, should also be highly vascular tumors, as well as to increase blood flow available during cardiovascular imaging. (e.g., with balloon angioplasty, laser angioplasty, exciBefore deciding on a system configuration, hospitals sional atherectomy, stents) in areas where normal flow is should consider the number and types of procedures perreduced or completely occluded. formed annually in their treatment rooms. For example, Some specific applications include the evaluation of carbiplane systems offer superior diagnostic capabilities for diac and peripheral vascular disease; the diagnosis of pulcertain procedures — such as pediatric, neurointervenmonary embolisms, arteriovenous malformations and sartional and some bone procecomatous tumors; the assessdures such as vertebroplasty. ment of vascular abnormalities Hospitals without sufficient Other purchase considerations include associated with pancreatic carpatient volume to support a cinoma; and the visualization of rotational angiography and dynamic dedicated angiography suite abdominal aortic aneurysms, peripheral bolus-chase imaging. might consider a combo room abdominal angina and abdomidesigned for angiographic nal tumors. These systems are procedures, cardiac catheterialso widely used for a variety of nonvascular interventions, zation and other special procedures. Radiologists may be including neurological and bone intervention, biopsy and most interested in head-to-toe coverage without reposidrainage procedures. tioning and a large detector for imaging large areas of Cardiac catheterization systems, usually characterized anatomy, whereas cardiologists may be more interested by smaller detectors, are used to visually evaluate the anatoin a smaller detector and special features for cardiac my and pathology of the heart and coronary vessels. Two angiography. Buyers should also consider whether comtechniques have been developed that provide radiographic puted tomography angiography (CTA) and magnetic resimages of the heart and surrounding blood vessels. The first onance angiography (MRA) studies performed in the hostechnique — coronary arteriography — helps evaluate the pital will affect the number and types of X-ray angiocoronary arteries, which supply oxygen and nutrients to the graphic procedures. heart. The second technique — cardiac angiography — proOther purchase considerations include specialized vides X-ray images of the heart chambers, the aorta and the capabilities such as rotational angiography and dynamic pulmonary veins to help diagnose c ongenital defects in the peripheral bolus-chase imaging. Rotational angiography heart or problems with the cardiac valves. capabilities allow the user to select start and end points Flat-panel angiographic, cardiac catheterization and for image chain rotation around the patient. Before purspecial procedure systems consist of an X-ray generator chasing such a system, buyers should consider its appliand X-ray tube, a flat-panel digital detector, a digital cation to the types of procedures performed in the faciliimage processing system, display monitors, image recordty and the capabilities of the gantry to perform a variety ing devices and a patient table. Most systems also include of rotational clinical applications. Dynamic peripheral an image processing workstation for image reconstrucangiography allows the entire peripheral circulation to be tion, printing and image enhancement. Single-plane and imaged using variable scanning rates and real-time subbiplane gantry configurations are available. Most manutraction. Detector size and field of view are especially facturers also offer options such as dynamic peripheral important purchasing considerations; larger sizes may be imaging, radiation protection options and accessories and necessary for imaging peripheral vessels. specialized positioning components. If the system is T PARTICIPANTS GE Healthcare www.gehealthcare.com Philips Healthcare www.medical.philips.com Shimadzu Medical Systems Inc. www.shimadzu.com Siemens Medical Solutions www.usa.siemens.com/medical Toshiba America Medical Systems www.medical.toshiba.com Editor’s Note: Due to space constraints, Imaging Technology News was not able to include all submitted product information in the printed version of this chart. However, all submitted information appears on our Web site at www.ITNonline.net. Comparison Chart Conducted by Reilly Communications Group Reilly Communications Group assumes no responsibility or liability for any errors or omissions in this chart. Reilly Communications Group obtained the model specifications from the manufacturers. The chart outline and introduction are from the Healthcare Product Comparison System (HPCS) published by ECRI Institute, a non-profit health services research agency. HPCS is a comprehensive database of brand-name model specifications for more than 450 types of devices available in three ways: online, CD-ROM, or print editions. For more information, contact ECRI Institute at (610) 825-6000, Ext. 5265; eMail: hpcs@ecri.org; or visit www.ecri.org. Please direct all chart inquiries to: charts@rcgpubs.com ITNonline.net | Nov/Dec 2008 | ITN | 51 http://www.gehealthcare.com http://www.medical.philips.com http://www.shimadzu.com http://www.usa.siemens.com/medical http://www.medical.toshiba.com http://www.ITNonline.net http://www.ecri.org http://www.ITNonline.net

Table of Contents Feed for the Digital Edition of Image Technology News - November 2008

Image Technology News - November 2008 Contents RSNA CT Systems Imaging An Image is Worth a Thousand Words Ultrasound Systems MBI Takes on FFDM Trouble in Multi-PACS Paradise When is Appropriateness Criteria Appropriate? RIS/PACS in a Web 2.0 World Digital Mammography Helps Center Continue its Commitment to the Best in Patient-Focused Breast Cancer Cardiovascular Imaging Systems PARCA Extends Expertise to World PACS Market

Image Technology News - November 2008

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