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  • Title: Aortic valve stenosis due to alkaptonuria.
    Author: Brueck M, Bandorski D, Kramer W, Schoenburg M, von Gerlach S, Tillmanns H.
    Journal: J Heart Valve Dis; 2008 Jan; 17(1):127-9. PubMed ID: 18365580.
    Abstract:
    Cardiovascular disease is a less-well appreciated aspect of alkaptonuria. A 69-year-old man presented with shortness of breath and exertional chest pain. He had a previous diagnosis of alkaptonuria (endogenous ochronosis), confirmed on the basis of urine coloration, skin pigmentation and ochronotic arthropathy in the knees. Echocardiography and coronary angiography revealed severe aortic valve stenosis and concomitant coronary artery disease. The patient underwent biological aortic valve replacement (AVR) and coronary artery bypass grafting (CABG). Operative findings included ochronosis of a severely calcified aortic valve and the aortic intima, and bioprosthetic AVR and CABG were successfully performed.
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