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2. Aortic stenosis - Wikipedia

   en.wikipedia.org/wiki/Aortic_stenosis

   Aortic stenosis is most commonly caused by age-related progressive calcific aortic valve disease (CAVD) (>50% of cases), with a mean age of 65 to 70 years. CAVD is the build-up of calcium on the cusps of the valve, and this calcification causes hardening and stenosis of the valve. [ 22 ]

3. Apicoaortic conduit - Wikipedia

   en.wikipedia.org/wiki/Apicoaortic_Conduit

   Apicoaortic Conduit (AAC), also known as Aortic Valve Bypass (AVB), is a cardiothoracic surgical procedure that alleviates symptoms caused by blood flow obstruction from the left ventricle of the heart. Left ventricular outflow tract obstruction (LVOTO) is caused by narrowing of the aortic valve (aortic stenosis) and other valve disorders. AAC ...

4. Arterial occlusion - Wikipedia

   en.wikipedia.org/wiki/Arterial_occlusion

   Normally, the blockage should affect approximately 70% of the artery for symptoms to become noticeable. [3] Symptoms can be less severe during gradual narrowing, as this allows time for the widening of existing vessels and the formation of new ones ( collateral vessels ), allowing blood to still reach the area.

5. Ross procedure - Wikipedia

   en.wikipedia.org/wiki/Ross_procedure

   Diagram of the human heart. Several adaptations of the Ross procedure have evolved, but the principle is essentially the same; to replace a diseased aortic valve with the person's own pulmonary valve (autograft), and replace the person's own pulmonary valve with a pulmonary valve from a cadaver (homograft) or a stentless xenograft.

6. Valvular heart disease - Wikipedia

   en.wikipedia.org/wiki/Valvular_heart_disease

   Calcification of the leaflets of the aortic valve is a common with increasing age, but the mechanism is likely to be more related to increased lipoprotein deposits and inflammation than the "wear and tear" of advance age. [17] Aortic stenosis due to calcification of tricuspid aortic valve with age [16] comprises >50% of the

7. Is Sildenafil Safe for This Common Male Problem? - AOL

   www.aol.com/sildenafil-safe-common-male-problem...

   In the ‘80s, researchers set out to test a medication called sildenafil citrate for treating high blood pressure and angina (chest pain) from heart disease. While the treatment appeared ...