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Ultrasound Catheter, CT Software Developed for Transcatheter Aortic Valve Implantation Procedures

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A new ultrasound catheter has been developed for use with real-time volumetric intracardiac echocardiography (ICE).

Real-time ICE provides great quality, dose-free imaging during interventional procedures, and the Acuson AcuNav V catheter, developed by Siemens Healthcare (Erlangen, Germany) is particularly useful during transcatheter aortic valve implantation (TAVI) surgery.

By employing the volumetric ICE catheter, physicians can perform TAVI procedures while the patient is under conscious sedation as opposed to a general form of anesthesia. The catheter is also useful during electrophysiology (EP) ablation procedures.ultrasound cathater

Computed tomography (CT) systems also offer support for minimally invasive TAVI practices. Siemens Healthcare has developed novel software that assists physicians in figuring and selecting the right valve size for the patient and determine the exact angle at which the new valve must be implanted even before the intervention in the cardiac catheterization laboratory. This saves time and lessens the contrast agent dose needed for the patient during intervention. 

In order to select a suitable artificial heart valve, clinicians must determine the precise dimensions of the aortic annulus. The syngo CT cardiac function, valve pilot application, in conjunction with three-dimensional (3D) CT imaging, automatically detects the annulus plane and calculates the exact measurements of the annulus as the case is opened.


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