Cardiac Imaging

While cardiac ultrasound is the widely used imaging modality for heart assessments, computed tomography (CT), magnetic resonance imaging (MRI) and nuclear imaging are also used and are often complimentary, each offering specific details about the heart other modalities cannot. For this reason the clinical question being asked often determines the imaging test that will be used.

Epix chief business officer resigns

Biopharmaceutical development firm Epix Pharmaceuticals reported that Chen Schor has resigned his position as chief business officer, effective March 23, to pursue other opportunities.

HR: New 3D imaging tool is efficacious as atrial fibrillation ablation guide

Three-dimensional rotational atriography overlay is a new imaging method with reduced radiation exposure that may replace pre-procedural CT scans for catheter navigation and atrial fibrillation ablation, according to a study in the February issue of HeartRhythm.

Philips unveils new 3D cardiac imaging technology

Royal Philips Electronics has released the first 3D imaging results obtained with its new imaging technology--Magnetic Particle Imaging (MPI).

Cardiac CT back on the firing line

The debate over utilization of coronary CT angiography (CCTA) continues to storm, with the highly respected Journal of the American Medical Association weighing in. Of concern to the authors of a study published this month is that some CCTA practitioners do not appear to be following the as-low-as-reasonably-achievable (ALARA) principle in the utilization of ionizing radiation.

JCMR: 3D cardiac MR mapping could yield more flow info than 2D

While comparable to 2D cardiac MR velocity mapping, comprehensive 3D velocity acquisition could be relatively operator independent, and potentially yield information on blood flow in patients with congenital or valvular heart disease, according to research publishedthis monthin the Journal of Cardiovascular Magnetic Resonance.

Acusphere submits new Imagify indication to FDA, renegotiates payments

On the heels of a Nasdaq delisting and the resignation of its trial overseer, Acusphere has submitted an amendment to its new drug application (NDA) with the FDA for Imagify for injectable suspension, suggesting usage in subsets of patients undergoing pharmacologic stress techniques.

Nasdaq grants Epix conditional listing

The Nasdaq listing qualifications panel has granted biopharmaceutical company Epix Pharmaceuticals' request for continued listing on the Nasdaq Global Market, with the condition that on or before May 11, the company file a current report on Form 8-K with the Securities and Exchange Commission.

AIM: Higher contrast volume during PCI leads to higher nephrotoxicity

During primary percutaneous coronary intervention (PCI) for STEMI, higher contrast volume is associated with higher rates of contrast-induced nephropathy (CIN) and mortality, according toan article in theFeb. 3 issue of the Annals of Internal Medicine.

Around the web

The nuclear imaging isotope shortage of molybdenum-99 may be over now that the sidelined reactor is restarting. ASNC's president says PET and new SPECT technologies helped cardiac imaging labs better weather the storm.

CMS has more than doubled the CCTA payment rate from $175 to $357.13. The move, expected to have a significant impact on the utilization of cardiac CT, received immediate praise from imaging specialists.

The newly cleared offering, AutoChamber, was designed with opportunistic screening in mind. It can evaluate many different kinds of CT images, including those originally gathered to screen patients for lung cancer. 

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