Subspecialties: Page 1310

DEXA shows that older swimmers aren't completely washed up

By Shalmali Pal

Competitive swimmers are known for their long, lean builds, but can they maintain that enviable body type as they grow older? Yes, to some degree, but even recreational master swimmers can't halt the aging process, according to a new study. To evaluate the association between age-related changes and weekly workouts in swimmers, Louisiana researchers measured -- what else? -- body water content.

December 27, 2005

MDCT equals MRI for RV function assessment

By Eric Barnes

Right ventricular (RV) parameters and function are known to have major prognostic import in patients with heart disease and chronic pulmonary embolism, but RV assessment can be challenging with CT, compared to the MRI gold standard. But researchers from Germany have found that 16-slice MDCT was statistically equivalent to cine MRI for estimating RV volumes, ejection fraction, and other important parameters.

December 27, 2005

FDA issues warning to Guidant

By AuntMinnie.com staff writers

Interventional device developer Guidant of Indianapolis said it has received a warning letter from the FDA related to its inspection and Form 483 observations of the firm's cardiac rhythm management facility in St. Paul, MN, conducted in September this year.

December 26, 2005

Radiology rises to the occasion for Katrina survivors and victims

While medical professionals in New Orleans tried to hold down the fort during Hurricane Katrina, those stationed in the nearby cities of Gulfport, MS, and Houston were called upon to set up emergency healthcare services. Of course, imaging services were mandatory. AuntMinnie.com spoke with three healthcare specialists who answered the call during those frantic days after the storm hit.

December 26, 2005

Hurricane epilogue: An MR emergency preparedness primer

The effects of Hurricanes Katrina and Rita are prime examples of how emergency preparedness can pay tremendous dividends. Even for those not in the path of hurricanes, you may have to contend with other natural and man-made threats. So each imaging facility should assess its emergency preparations and emergency response, according to MRI architectural consultants Robert Junk and Tobias Gilk.

December 25, 2005

Chest x-ray after thoracentesis adds little new information

By Shalmali Pal

U.K. clinicians have determined that routine chest x-ray after thoracentesis is not necessary. They conducted a retrospective case study on the diagnostic utility of radiographs after this fluid-removing surgical procedure.

December 25, 2005

Riverain inks MedAssets deal

By AuntMinnie.com staff writers

Computer-aided detection (CAD) developer Riverain Medical of Miamisburg, OH, has signed a multiyear purchasing agreement with group purchasing organization MedAssets Supply Chain Systems of Atlanta.

December 22, 2005

Four MRI signs diagnose radial meniscal tears preoperatively

By Radiology Review

(Radiology Review) Radiologists at Duke University Medical Center in Durham, NC, recently assessed the prevalence of radial meniscal tears at arthroscopy and whether MR imaging could accurately detect radial tears prior to surgery. Their retrospective study was published in the American Journal of Roentgenology.

December 22, 2005

Twenty-nine states pay for some diagnostic VC

By Eric Barnes

Slow and steady is winning the race for virtual colonoscopy. As of this month, 29 states have finalized local coverage decisions at the Medicare Carrier Advisory Committee level authorizing VC reimbursement after incomplete colonoscopy. And during the first quarter of 2006, local coverage decisions are pending approval in six more states.

December 22, 2005

Varian duels with Resonant over patents

By AuntMinnie.com staff writers

Radiation therapy firms Varian Medical Systems of Palo Alto, CA, and Resonant Medical of Montreal are locked in a patent dispute related to ultrasound-based patient-positioning technology for radiation therapy.

December 21, 2005

Revisiting report errors serves as educational tool for residents

By Shalmali Pal

Mistakes made during initial reads can be spun into a learning experience for residents, according to researchers from the University of Pittsburgh. They assessed the most frequent interpretation errors made by on-call residents at their institution.

December 21, 2005

VC CAD found equivalent to colonoscopy in screening population

By Eric Barnes

The National Institutes of Health (NIH) scored a CAD coup this month with a study concluding that its VC computer-aided detection (CAD) system yielded sensitivities that were statistically equivalent to that of optical colonoscopy for significant polyps in a large screening population.

December 20, 2005

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