This animation, provided by Abbott Vascular, demonstrates how the U.S. Food and Drug Administration (FDA)-cleared MitraClip transcatherer mitral valve repair system is implanted in the heart
The MitraClip was originally designed for high-risk surgical patients, who often will not be operated on by cardiac surgeons because of the mortality risk. These patients might be eligible for this less-invasive treatment option. The MitraClip device used in this transcatheter mitral valve repair (TMVR) procedure only involves a small puncture in the femoral vein, rather than open-heart surgery and the need to stop the heart.
The delivery catheter is pushed up into the heart and a transseptal puncture is made in the atrial wall. The catheter is then advanced from the right into the left atrium. It is bent 90 degrees to access the mitral valve and to attach the clip to the native valve leaflets.
The procedure it performed under transesophageal echocardiography (TEE) in a cath lab. The ultrasound imaging allows real-time assessment of device and valve leaflet positioning and shows when the leaflets are fully engaged by the device for final deployment. In addition, 3-D Doppler ultrasound is used to show blood flow. This is used to identify the location of the regurgitant jet and any residual jet after the device is implanted. To resolve any addition MR seen in the TEE might require the placement of additional clips.
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