Westmead Hospital Research Provides Significant Data Supporting the Ablation Effectiveness of Stereotaxis Magnetic Navigation

ST. LOUIS, Aug. 27, 2015  -- Stereotaxis, Inc. (STXS) and Westmead Hospital in Australia today announced findings of a recent study comparing the stability of a Niobe(R) remote magnetic navigation system catheter group and a manually controlled catheter group in a validated cardiac wall motion simulator.

"The Niobe system has long demonstrated an enhanced safety profile in comparison to conventional ablations, but its efficacy with lesion creation in highly mobile cardiac regions has not been adequately studied," said Pramesh Kovoor, M.D., Ph.D., Director of Cardiac Services at Westmead Hospital and Associate Professor at the University of Sydney. "We were pleasantly surprised with the results of our research, which provided strong evidence of faster, deeper lesion formation utilizing the Niobe system, due to constant catheter contact in the presence of simulated heart wall motion. As a practitioner, this translates into the potential for more precise, effective ablations in unstable regions of the heart, which could lead to improved patient outcomes and shorter procedure times."

During the study, the research team performed a total of 60 ablations in a myocardial phantom (gel tank), which was previously validated in animal studies. Radiofrequency ablations were delivered both by an irrigated catheter controlled by the Niobe magnetic navigation system as well as a manually controlled irrigated catheter, and catheter position was confirmed by real-time visualization. The ablation surface of the phantom was put into motion in order to simulate cardiac wall movement. Researchers observed lateral sliding (5.2mm) in the manual catheter group during surface movement, while the magnetically guided catheter group maintained stable focal contact with no lateral movement (0mm). As a result, lesion dimensions using the Niobe system were larger, deeper and formed sooner compared to manual control. Complete study results are available online in the Journal of Interventional Cardiac Electrophysiology (DOI: 10.1007/s10840-015-0023-3). Additional study details as well as a video of the study can be found at www.stereotaxis.com/lesion_westmead/.

About Stereotaxis

Stereotaxis is a healthcare technology and innovation leader in the development of robotic cardiology instrument navigation systems designed to enhance the treatment of arrhythmias and coronary disease, as well as information management solutions for the interventional lab. Over 100 issued patents support the Stereotaxis platform, which helps physicians around the world provide unsurpassed patient care with robotic precision and safety, improved lab efficiency and productivity, and enhanced integration of procedural information. Stereotaxis' core Epoch(R) Solution includes the Niobe(R) magnetic navigation system, the Odyssey(R) portfolio of lab optimization, networking and patient information management solutions, and the Vdrive(R) robotic navigation system and consumables.

The core components of Stereotaxis' systems have received regulatory clearance in the U.S., European Union, Canada, China, Japan, and elsewhere. The V-Sono(TM) ICE catheter manipulator, V-Loop(TM) variable loop catheter manipulator, and V-CAS(TM) catheter advancement system have received clearance in the U.S., Canada, and the European Union. For more information, please visit www.stereotaxis.com.

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STXS Company Contact:
Martin Stammer
Chief Financial Officer
314-678-6155
STXS Investor Contact:
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