cardiology treatments

WATCHMAN™ Left Atrial Appendage Closure Device Procedure

Dr. Kashani is one of the first two physicians in Houston certified to perform WATCHMAN™closure procedures.  These procedures help prevent blood clots associated with atrial fibrillation.

What is the WATCHMAN™ Left Atrial Appendage Closure Device Procedure?

The Protect AF clinical trial demonstrated the Watchman device is equivalent to Warfarin therapy in reducing strokes in patients with AF. Additionally the Watchman procedure is associated with significantly less long-term complications when compared to patients on drug anticoagulation.  In the Protect AF trial, when compared to anticoagulation, the Watchman device reduced cardiovascular and unexplained death by 60% and all cause mortality by 34%.  

This procedure involves the deployment of a “parachute like” stent in the ostium of the left atrial appendage.  The procedure is performed via a single needle stick / IV in the vein of the leg (i.e. femoral vein).  The procedure usually takes less than one hour to complete.

This procedure allows patients with atrial fibrillation to safely come off of (stop) their anticoagulation.

Experience is key. 

Worldwide experience has repeatedly shown that the Watchman™ Device procedure is safest in the hands of physicians with the greatest experience – both with regards to success of the procedure as well as complications rates.  Dr. Kashani is one of the first two physicians in Houston and one of the first five physicians in all of Texas certified to perform the Watchman procedure.  He was also an investigator in the original clinical trial/registries prior to the approval of the Watchman device by the FDA.   Additionally, Dr. Kashani is a national instructor for new physicians wanting to learn the Watchman procedure.  Dr. Kashani one of the country’s largest Watchman implant volumes.  

While procedural success is 90% in the hands of newly trained/certified physicians, it is greater than 95% nationwide in the hands of more experienced physicians.  To date Dr. Kashani has had a 100% success rate in closing the left atrial appendage with the Watchman device.  Also all trials have shown that complication rates are lower in the hands of physicians with the greatest implant experience.

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