Sutureless prosthetic heart valve
A prosthetic heart valve for replacing a native valve includes a stent extending between an inflow end and an outflow end, and a valve assembly disposed within the stent. The prosthetic heart valve may include a supra-annular feature configured to anchor and seal the prosthetic valve above the native valve annulus and a sub-annular feature configured to anchor and seal the prosthetic valve below the native valve annulus. Each of the sub-annular feature and the supra-annular feature may be a sealing ring or a strut that extends radially outward from the stent. The prosthetic heart valve may be implanted in the patient via a sutureless approach and provide anchoring in a variety of patient populations, including those with resected native valve leaflets.
1. A method of implanting a prosthetic heart valve in a patient, the prosthetic heart valve including a first valve anchoring feature spaced apart from a second valve anchoring feature, and having an expanded condition and a collapsed condition, the method comprising:
making an incision in an aorta of the patient;
inserting the prosthetic heart valve into the patient's cardiovascular system through the incision in the aorta while the prosthetic heart valve is coupled to a valve holder and while the prosthetic heart valve is in the expanded condition;
advancing the prosthetic heart valve to a position adjacent a native valve annulus in the patient so that the first valve anchoring feature is disposed on a first side of the native valve annulus and the second valve anchoring feature is disposed on a second side of the native valve annulus opposite the first side;
releasing the prosthetic heart valve from the valve holder;
removing the valve holder from the patient; and
closing the incision after removing the valve holder from the patient,
wherein, after the incision is closed, the prosthetic heart valve does not contact the closed incision.
2. The method of claim 1 , wherein the first valve anchoring feature is selected from the group consisting of a sealing ring attached to a stent of the prosthetic heart valve and configured to extend radially outward from the stent and a strut attached to the stent and configured to extend radially outward from the stent.
3. The method of claim 2 , wherein the second valve anchoring feature is selected from the group consisting of a sealing ring attached to the stent and configured to extend radially outward from the stent and a strut attached to the stent and configured to extend radially outward from the stent.
4. The method of claim 1 , wherein the prosthetic heart valve includes a collapsible and expandable stent and a valve assembly positioned within the stent.
5. The method of claim 4 , wherein the stent is self-expanding.
6. The method of claim 1 , wherein the prosthetic heart valve is coupled to the valve holder with sutures.
7. The method of claim 1 , wherein an outflow end of the prosthetic heart valve is coupled to a distal end of a base of the valve holder, the base of the valve holder being adapted to radially shrink.
8. The method of claim 1 , wherein the incision in the aorta is an “L”-shaped aortotomy.
9. The method of claim 1 , wherein, after the incision is closed, the prosthetic heart valve is held in place without assistance from sutures coupling the prosthetic heart valve to the native valve annulus.