TY - CHAP M1 - Book, Section TI - Balloon Aortic Valvuloplasty A1 - Lawson, Barbara D. A1 - Gertz, Zachary M. A2 - Baliga, R. R. A2 - Lilly, Scott M. A2 - Abraham, William T. PY - 2018 T2 - Color Atlas and Synopsis of Interventional Cardiology AB - A 74-year-old man with severe aortic stenosis and oxygen-dependent lung disease was referred for treatment of aortic valve disease. His past medical history was significant for diabetes mellitus, hypertension, hyperlipidemia, coronary artery disease, peripheral vascular disease, and interstitial lung disease. Pulmonary function testing 6 months earlier showed moderate restrictive lung disease (total lung capacity 58% predicted) and severely reduced diffusion capacity (31% predicted). Over the preceding few months, he had experienced rapidly worsening dyspnea and oxygen desaturations at rest, requiring initiation of supplement oxygen. Computed tomography scan of the lungs showed end-stage interstitial fibrotic lung disease, and echocardiogram showed mildly depressed left ventricular function (ejection fraction 45%-50%) with severe aortic stenosis (peak velocity 5.0 m/s, mean gradient 60 mm Hg, valve area 0.77 cm2). He was referred for consideration of aortic valve replacement. SN - PB - McGraw-Hill Education CY - New York, NY Y2 - 2024/04/16 UR - accesscardiology.mhmedical.com/content.aspx?aid=1160207056 ER -