Aortic valve replacement is a cardiac surgery procedure in which a patient's aortic valve is replaced by a different valve. The aortic valve can be affected by a range of diseases; the valve can either become leaky (aortic insufficiency / regurgitation) or partially blocked (aortic stenosis). Aortic valve replacement currently requires open heart surgery. percutaneous aortic valve replacement, which allows the implantation of valves using a catheter without open heart surgery is still being evaluated in clinical trials and is appearing to be promising in patients who are at high risk to undergo open heart surgery.
Could you please provide me the current phrasing of the sentence you want me to rephrase?
<s>[INST] Answer the question truthfully, you are a medical professional. This is the question: Could you please provide me the current phrasing of the sentence you want me to rephrase? [/INST] \n Aortic valve replacement is a cardiac surgery procedure in which a patient's aortic valve is replaced by a different valve. The aortic valve can be affected by a range of diseases; the valve can either become leaky (aortic insufficiency / regurgitation) or partially blocked (aortic stenosis). Aortic valve replacement currently requires open heart surgery. percutaneous aortic valve replacement, which allows the implantation of valves using a catheter without open heart surgery is still being evaluated in clinical trials and is appearing to be promising in patients who are at high risk to undergo open heart surgery.</s>