Topic

Stroke


Radiology: Ultrasound then CTA cost-effective for stenotic stroke patients

Top Stories | Tuesday, August 10 2010
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.
 

J&J to buy Micrus Endovascular for deal valued at $480M

Top Stories | Monday, July 12 2010
Johnson & Johnson has signed a definitive agreement with Micrus Endovascular, a manufacturer of minimally invasive devices to address hemorrhagic and ischemic stroke, to be acquired in a cash-for-stock exchange.
 

AJR: Reporting of extracardiac findings on CCTA not clear cut

Clinical Studies | Friday, June 04 2010
Coronary CT angiography (CCTA) often reveals incidental extracardiac abnormalities, including many pulmonary nodules. But more studies need to be conducted to determine the cost effectiveness of downstream tests for these incidental findings, according to a study published in the June issue of the American Journal of Roentgenology.
 

Lancet: Ultrasound shows symptom-free patients at higher stroke risk

Clinical Studies | Friday, May 28 2010
Detection of asymptomatic embolization by use of transcranial Doppler ultrasound (TCD) can be used to identify patients with asymptomatic carotid stenosis who are at a higher risk of stroke and transient ischemic attack, and also for patients with a low absolute stroke risk, according to the ACES study published in the June edition of Lancet Neurology.
 

Circulation: In vivo 3T MRI may identify plaques prone to sudden disruption

Clinical Studies | Wednesday, May 26 2010
In vivo 3T MRI can detect features of vulnerable plaques in an animal model of controlled atherothrombosis and MRI may be used as a noninvasive modality for the identification of plaques that are prone to disruption, according to a study published in the May issue of Circulation: Cardiovascular Imaging.
 

NEJM: Policymakers need better info, methods for controlling Medicare costs

Industry News | Monday, May 17 2010
According to a recent article published online in the May 12 edition of the New England Journal of Medicine, policymakers attempting to control Medicare costs by reducing differences in Medicare spending across geographic areas need better information about the specific source of the differences.
 

Study: Smoking during radiation therapy yields negative outcomes

Clinical Studies | Wednesday, April 28 2010
Tobacco smoking during radiation therapy for head-and-neck cancer is associated with unfavorable outcomes, said researchers from the department of radiation oncology at the University of California Davis Cancer Center in Sacramento, Calif.,who evaluated the effect of continued cigarette smoking among patients undergoing radiation therapy.
 

Radiology: Contrast-enhanced US can assess carotid plaque inflammation

Clinical Studies | Tuesday, April 27 2010
By quantifying microbubble retention within carotid plaque, late-phase contrast-enhanced ultrasound (US) depicts clear differences between groups of subjects with plaque ipsilaterial to symptoms and asymptomatic plaques, according to a study in the May issue of Radiology.
 

JACC: Women, men benefit from different carotid measurements for CAD

Clinical Studies | Thursday, April 08 2010
In a prediction model, researchers found that adding carotid plaque measurements, rather than carotid intima-media thickness (CIMT), to traditional risk factors better predicted coronary artery disease (CAD) in women, while men benefited from adding CIMT to traditional risk factors, according to a study published in the April 13 issue of the Journal of the American College of Cardiology.
 

SIR: Cerebral protection device 98% effective in high-risk CAD cases

Conference News | Friday, March 12 2010
Use of the Mo.Ma proximal cerebral protection device (Invatec) with FDA-approved carotid stents in high-risk patients are 98 percent effective and proved to decrease the risk of stroke, according to results of the ARMOUR trial presented by Barry T. Katzen, MD, at the 35th annual Society of Interventional Radiology Scientific Meeting March 15.
 

PNAS: Fluorescence + MR imaging probe can guide cancer surgery

Clinical Studies | Thursday, March 04 2010
Surgery with molecular fluorescence imaging using a dual fluorescent plus a magnetic marker decreases residual cancer, improves survival and MRI-guided clinical staging, according to two studies published in the March issue of Proceedings of the National Academy of Sciences.
 

Study: Brain changes in birds may shed light on human learning process

Clinical Studies | Sunday, February 21 2010
Researchers using high-resolution imaging to track changes to individual dendritic spines--points of contact between nerve cells--found that behavioral learning results when instructive experience is able to rapidly stabilize and strengthen synapses on sensorimotor neurons, according to a study conducted by Richard Mooney, PhD, professor of neurobiology at Duke University Medical Center, in Durham, N.C., and colleagues.
 

Siemens develops functional imaging for interventional neuroradiology

New Products | Tuesday, February 09 2010
Siemens Healthcare has developed a new application for interventional radiology, the Syngo Neuro PBV IR.
 

Alabama hospital latest to notify patients of possible CT radiation over-exposure

Top Stories | Wednesday, December 09 2009
Huntsville Hospital, a Joint Commission-certified stroke center in Huntsville, Ala., is contacting 60 patients who may have received similar radiation doses with CT brain perfusion as those who were overexposed at Cedars-Sinai Medical Center in Los Angeles.
 

New technology may detect cancer cells and deliver treatment

Industry News | Thursday, October 29 2009
Biophysicists from the University of Rhode Island in Kingston have reported they have discovered a technology that can detect cancerous tumors and deliver treatment to them without harming the healthy cells surrounding them, thereby significantly reducing side effects.
 

Canadian neurologist receives award for CT mapping technique

Industry News | Monday, October 26 2009
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.
 

RSNA: Toshiba highlights panoply of products

Conference News | Tuesday, October 20 2009
Toshiba America Medical Systems is showcasing a cornucopia of diagnostic imaging technologies at the 2009 Radiological Society of North America’s (RSNA) conference.
 

Kaiser scores $54M+ in NIH/ARRA grants

Industry News | Wednesday, October 14 2009
Kaiser Permanente has received 22 grants worth more than $54 million from the National Institutes of Health (NIH) through the American Recovery and Reinvestment Act (ARRA) of 2009.
 

JNM: FDG uptake may predict subsequent vascular events

Clinical Studies | Wednesday, October 14 2009
Increased FDG uptake in major arteries emerged as a strong predictor of a subsequent vascular event, according to a study in this month’s Journal of Nuclear Medicine.
 

HealthGrades: 52% less chance of dying at top-rated hospitals

Top Stories | Monday, October 12 2009
Patients at highly rated hospitals have a 52 percent lower chance of dying compared with the U.S. hospital average—a quality chasm that has persisted for the last decade even as mortality rates have generally declined, according to the annual study of patient outcomes at  5,000 U.S. nonfederal hospitals published Tuesday by HealthGrades.
 
Web Exclusives

Feature: U.S. needs national strategy to curb imaging overutilization

Medical imaging overutilization--a growing concern in the U.S.--exposes patients to unnecessary radiation, while also adding to rising healthcare costs, according to a study published online Aug. 24 in Radiology. In an interview, William R. Hendee, PhD, lead author, reviewed various methods by which medical imaging could be curtailed.

Radiology: Prelim study shows CE breast CT outperforms CT, mammo

Dedicated contrast-enhanced (CE) breast CT delivered significantly improved conspicuity of malignant breast lesions, including ductal carcinoma in situ (DCIS), compared with unenhanced breast CT and mammography, according to a study published in the September issue of Radiology.

Radiology: Rad role may evolve as image-guided biopsies trend up

CT, ultrasound and MRI have helped shift biopsy techniques away from more invasive approaches toward image-guided percutaneous techniques, according to a study published in the September issue of Radiology. The trend toward less-invasive approaches translates into enhanced safety and efficiency and could lead to more interaction between patients and radiologists.

CMS Webinar: Incentive payments to offset EHR adoption, not reimburse

The Centers for Medicare & Medicaid Services’ (CMS) EHR incentive payments are not considered reimbursement for money expended on EHR technology, but are intended to offset the cost associated with adoption and ongoing meaningful use, according to CMS during an Aug. 12 webinar.

CMS webinar: Eligible professionals can expect EHR incentives in 2011

Funding incentives for EHR use is the main goal of the Centers for Medicare & Medicaid Services' (CMS) meaningful use initiative, and there are incentive programs for both hospitals and eligible professionals, according to Elizabeth Holland, health insurance specialist at the Department of Health and Human Services, who spoke during a CMS-sponsored webinar Aug. 8.

Webinar: Stage 1 of meaningful use is for quality reporting acclimation

Stage 1 requirements for meaningful use incentives aim to strike a balance between the overall goal of EHR use and widespread adoption, while avoiding added work, said Jonathan Teich, MD, PhD, chief medical informatics officer at Elsevier Health Services, during a HIMSS webinar titled “Meaningful Use: Safety and Quality of Care.”

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