Interventional: Page 78

Coronary CTA best next test for positive stress patients
By Eric Barnes
Asymptomatic individuals with positive cardiac stress results should proceed to coronary CT angiography (CTA) rather than an invasive cardiac catheterization, according to a new report in the May American Journal of Roentgenology. The study found that low-risk patients received more cost-effective care by using coronary CTA as a gatekeeper test.
April 22, 2010
Medtronic gets FDA nod for stent system
By AuntMinnie.com staff writers
Interventional technology firm Medtronic has received U.S. Food and Drug Administration clearance for its Complete SE vascular stent system.
April 20, 2010
3T MRA protocol has value but falls short in abdominal vasculature
By Wayne Forrest
A time-resolved 3-tesla MR angiography (MRA) technique that uses less contrast dose than conventional high-resolution MRI has some advantages in the abdominal aorta, but its lower signal-to-noise ratio means it probably won't supplant conventional MRA, according to a study in the May Academic Radiology.
April 18, 2010
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MR pulmonary angio should be limited to expert sites
By Wayne Forrest
Researchers from seven hospitals have concluded that MR pulmonary angiography should be considered only at centers that routinely perform the procedure well, and it should be done only for patients for whom standard tests are contraindicated.
April 12, 2010
Less DNA damage seen after high-pitch coronary CTA
By Eric Barnes
High-pitch dual-source CT angiography (CTA) scans produce significantly less radiation-related DNA damage than comparable low-pitch dual-source CTA scans -- and, importantly, the DNA results correspond to both measured and derived biological radiation doses, say researchers from Erlangen, Germany.
April 8, 2010
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SIR sells ConexSys group to Custom Computer Specialists
By AuntMinnie.com staff writers
The Society of Interventional Radiology (SIR) and IT firm Custom Computer Specialists (CCS) have signed an exclusive, long-term licensing agreement to promote and develop the HI-IQ interventional radiology information management system.
April 7, 2010
Cardiac cath delivers high radiation doses to operators
By Eric Barnes
The rapid development of new cardiac stents and other medical devices is opening up a world of possibilities for interventional procedures in the cath lab -- but it's also exposing equipment operators to ever-higher radiation doses.
April 4, 2010
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High glucose signals contrast risk in angio patients
By Eric Barnes
Patients with high blood glucose levels are at increased risk of contrast-induced acute kidney injury after invasive coronary angiography, according to a just-published study of thousands of patients in the Journal of the American College of Cardiology.
March 30, 2010
Heart rate key to image quality in low-dose coronary CTA
By Eric Barnes
Heart rate control is an important factor for success in prospectively gated coronary CT angiography (CTA). But once patients are beta-blocked, the success rate is high and the doses are uniformly low, according to a new study by Swiss researchers.
March 28, 2010
GE inks deal with BrainLab
By AuntMinnie.com staff writers
GE Healthcare has signed a joint development and marketing agreement with BrainLab to integrate BrainLab's BrainSuite surgical package with GE's MR surgical suite, GE said.
March 17, 2010
Cryotherapy successfully freezes breast cancer
By AuntMinnie.com staff writers
Using image-guided multiprobe cryotherapy, researchers in Detroit have successfully frozen breast cancer in patients who refused surgery, and, as a result, the women did not have to undergo surgery after treatment to ensure that the tumors had been killed.
March 15, 2010
Bicarbonate no better than saline for preventing CIN
By Charlene Laino
ATLANTA - Hydration with sodium bicarbonate is no better than using standard saline for preventing contrast-induced neuropathy (CIN) in at-risk diabetes patients, according to research presented this week at the American College of Cardiology meeting.
March 15, 2010
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