When appropriate for patients, physicians may elect to use the Medtronic's Micra TPS because unlike traditional pacemakers, the device does not require cardiac wires (leads) or a surgical "pocket" under the skin to deliver a pacing therapy. Instead, the device is small enough to be delivered through a catheter and implanted directly into the heart with small tines, providing a safe alternative to conventional pacemakers without the complications associated with leads - all while being cosmetically invisible. The Micra TPS is also designed to automatically adjust pacing therapy based on a patient's activity levels.
Bradycardia is a condition characterized by a slow or irregular heart rhythm, usually fewer than 60 beats per minute. At this rate, the heart is unable to pump enough oxygen-rich blood to the body during normal activity or exercise, causing dizziness, fatigue, shortness of breath or fainting spells. Pacemakers are the most common way to treat bradycardia to help restore the heart's normal rhythm and relieve symptoms by sending electrical impulses to the heart to increase the heart rate.
Northside Hospital today announced that it is one of the first hospitals in Florida to offer the world's smallest pacemaker for patients with bradycardia. The Micra(R) Transcatheter Pacing System (TPS) is now approved for Medicare reimbursement, providing patients the most advanced pacing technology in a size comparable to a large vitamin. The first procedure at Northside Hospital was performed on April 20, 2018 by Robert Sheppard, MD, FACC, FHRS, Medical Director of the Cardiac Electrophysiology Lab at Northside Hospital.
The Micra TPS was approved by the U.S. Food and Drug Administration in April 2016, and has been granted Medicare reimbursement, allowing broad patient access to the novel pacing technology.