Patients with a transient ischemic attack or minor stroke and suspected carotid artery stenosis (CAS) should undergo duplex ultrasound (US) and then CT angiography (CTA) after positive US results as the most effective and cost-effective imaging protocol, according to a study published in this month's Radiology.
In the era of isotope shortages and heightened awareness of radiation dose exposure, it should come as good news that if low-risk patients have a normal stress myocardial perfusion imaging study, they need not undergo the conventional complementary rest study, according to a study in the May/June issue of the Journal of Nuclear Cardiology.
The reference range of left ventricular ejection fraction (LVEF) and LV volumes from gated 82Rb PET/CT varies significantly among available software programs and therefore cannot be used interchangeably, according to a study in the June issue of the Journal of Nuclear Medicine.
The PACS market has reached maturity with the lion's share of the market shifting from first-time PACS projects to upgrades, according to a report issued last week by marketing research and consulting firm IMV Medical Information Division. For many facilities, investment plans through 2012 are focused on expansions in image storage capacity and network/bandwidth infrastructure, deployment of additional workstations and flat screen monitors and investments in wireless networking and advanced visualization software.
Written by Lisa Fratt
A new study suggests that CT angiography (CTA) can be better targeted to patients with risk factors for pulmonary embolism (PE). The study also indicates CTA may be overused in many patients with suspected PE. Thromboembolic risk factor assessment could suffice for many patients, eliminating CTA and helping reduce radiation exposure and CTA costs. Results of the study appear in the online edition and August print issue of the journal Radiology.
When used in conjunction with an experienced radiologist, the use of computer-aided detection (CAD) for lung nodule detection on chest radiograph with CT angiography (CTA) correlation presents very good sensitivity, specificity and accuracy, according to a study published online March 31 in the Journal of Digital Imaging.
Magnetic resonance (MR) pulmonary angiography should be considered only at centers that routinely perform the procedure well and only for patients for whom standard tests are contraindicated, according to the prospective PIOPED III study, published April 6 in the Annals of Internal Medicine.
Despite physician practices being broadly consistent with recommendations in the medical literature, there are variations by physician specialty and geographic location that may highlight evidence of inappropriate imaging in the diagnosis of pulmonary embolism (PE), according to a study published online in the April issue of the American Journal of Roentgenology.
Written by Gina Narcisi
ATLANTA -- Rob Beanlands, MD, director of the National Cardiac PET Centre and the Molecular Function and Imaging Program at the University of Ottawa Heart Institute, sought to convince physicians that FDG PET is among the best choices in imagining modalities for the assessment of myocardial viability, during an imaging symposium at the 59th annual American College of Cardiology (ACC) conference on March 15.
Written by Michael Bassett
While the technology behind cardiac advanced visualization (AV) can create some amazing images, it provides much more than just a “wow” factor. Radiologists and cardiologists rely on it to help them increase productivity and workflow and reduce costs, diagnose more quickly and accurately, and better communicate results with referring physicians and their patients.
A positive correlation between post-procedural myocardial injury and volume and fraction of low-attenuation plaque within target lesions measured by multidetector CT angiography after elective PCI was discovered by Tadayuki Uetani, MD, from the department of cardiology at Chubu Rosai Hospital in Nagoya, Japan, and colleagues.
Routine CT scanning of the renal arteries and kidneys of middle-aged individuals can commonly present radiographic abnormalities, but the majority of the imaging findings are not perceived to be harmful enough to prevent kidney donation, according to a January study published online in Clinical Journal of the American Society of Nephrology.
Medrad (Booth 4209) is highlighting its Certegra product platform, including Certegra P3T products and Certegra Connect.PACS, at the 2009 Radiological Society of North America (RSNA) in Chicago this month.
Bassetlaw Hospital in Nottinghamshire, England, which is part of the U.K.'s Doncaster and Bassetlaw Hospitals NHS Foundation Trust, has installed a Magentom Avanto 1.5 Tesla MRI, Artis zee Multipurpose C-arm and Somatom Sensation CT from Siemens Healthcare.
Shelagh B. Coutts, MD, was granted the first Distinguished Clinician Scientist 2009 award by the Canadian Institutes of Health Research Institute of Circulatory and Respiratory Health and AstraZeneca Canada during the Canadian Cardiovascular Congress this week in Edmonton, Alberta.
Serial volumetric analysis of aortic aneurysm with nonenhanced CT serves as an adequate screening test for endoleak, causing volumetric increase of more than 2 percent from the volume seen at the previous examination, according to a retrospective analysis published this month in Radiology.
Sixty-four-slice CT angiography can be used as the initial imaging technique for detecting and planning the treatment of intracranial aneurysms, according to a study published in the September issue of Radiology.
CT angiography (CTA) can identify abnormalities and injury beyond the pulmonary arteries, including broken bones and heart disease in pediatric patients, according to a study published in the September issue of the American Journal of Roentgenology.
Philips Healthcare has made the first commercial shipments of its MX 16-slice CT scanner, including to University Hospitals Geauga Medical Center in Chardon, Ohio.
In a real-world clinical setting, the negative predictive value of 64-slice coronary CT angiography (CCTA) is very high and helpful in predicting freedom from events for up to three years, according to a study in the Aug. 15 issue of the American Journal of Cardiology. The researchers also found cost-savings benefits associated with CCTA.
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