Heart rate recovery one minute after a six-minute walk test predicted clinical worsening and the time to clinical worsening in patients with idiopathic pulmonary arterial hypertension (IPAH), according to a study published online Nov. 17 in the American Journal of Respiratory and Critical Care Medicine.

Aptus Endosystems, a developer of endovascular aneurysm repair (EVAR) technology, has received FDA 510(k) clearance for the Aptus EndoStapling system, which will now be known as the HeliFX Aortic Securement System.

The Canadian Task Force on Preventive Healthhas issued new breast cancer screening guidelines, which recommend against annual screening of women ages 40 to 49 and extending time between screens for older women. The guidelines ignore results of landmark randomized control trials which show that regular screening significantly reduces breast cancer deaths in these women, according to the American College of Radiology.

Montage Healthcare Solutions has reached an exclusive reseller agreement with Nuance Communications in which Nuance will sell Montages healthcare data mining and performance measurement technology to its established base of radiology customers.

CHICAGO--Physicians who have a financial interest in imaging equipment are more likely to refer their patients for potentially unnecessary imaging exams, according to a study presented Nov. 30 at the annual meeting of the Radiological Society of North America (RSNA).

CT proves its might and muscle (once again) at the 97th Scientific Assembly and Annual Meeting of the RSNA, Nov. 27 to Dec 2 in Chicago. The CT imaging RSNA preview is Health Imagings last preview prior to the meeting. Read on for must-see sessions and to brush up on CT news from the last several months. Be sure to subscribe to our monthly CT portal to stay on top of the latest clinical, economic and practice news as it relates to CT. Finally, check in at healthimaging.com daily beginning Nov. 27 for live coverage from Chicago.

CHICAGOUsing diffusion tensor imaging (DTI) to study the effects of soccer 'heading,' researchers have found that players who head the ball with high frequency have brain abnormalities similar to those found in traumatic brain injury (TBI) patients. Results of the study were presented on Nov. 30 at the 97th Scientific Assembly and Annual Meeting of the Radiological Society of North America (RSNA).

Fundamental differences between diagnostic imaging and other areas of medicine drive the need for an individual framework for the assessment of the value of diagnostic tests, according to a commentary authored by the Working Group on Comparative Effectiveness Research (CER) for Imaging and published in the December issue of Radiology.