[A case of aortic regurgitation combined with obstruction of the left coronary ostium caused by adhesion of left coronary cusp].

A case, 31-year-old female with aortic regurgitation and ostial obstruction of left coronary artery, was reported. Her chief complaint was effort angina. The coronary angiography showed obstruction of left coronary ostium with intact main stem and its branches, perfused from right coronary artery and the aortogram revealed aortic regurgitation of grade 3-4. Left Valsalva sinus was obstructed by adhesion of left coronary cusp. Each coronary cusps were resected, and aortic valve replacement with 23 mm SJM valve and coronary arterial bypass by means of in-situ graft of left internal thoracic artery underwent successfully. The pathological findings of aortic cusps were healed valvulitis without specific inflammation as syphilis or aortitis syndrome.