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Originals Strategies, Risks, and Outcomes in Cardiac and Aortic Reoperations Y. Takami et al.……105 Case Reports Abdominal Aortic Aneurysm Associated with Horseshoe Kidney S. Takago et al.……111 Right Ventricular Outflow Obstruction due to Huge Un-ruptured Aneurysm of the Sinus of Valsalva in Two Elderly Patients T. Choh et al.……114 A Case of Prosthetic Valve Dysfunction Early after Surgery Using a Mosaic Bioprosthesis T. Shojima et al.……118 Pulmonary Trunk Aneurysm with Ascending Aortic Aneurysm, Concomitant with Bilateral Semilunar Valve Insufficiency M. Sugawara et al.……122 Embolization of an Atraumatic Rupture Occurring in the Internal Thoracic Artery R. Seguchi et al.……126 Left Ventricular Free Wall Rupture Followed by Papillary Muscle Rupture Combined with Acute Myocardial Infarction J. Kobayashi et al.……129 Surgical Repair in Case of an Elderly Tetralogy of Fallot Y. Chida et al.……133 A Case of Hypertrophic Cardiomyopathy with Two Times Thromboembolism and Intraventricular Thrombus K. Koushi et al.……137 A Patient with Mediastinitis Complicated by Pyrogenic Spondylitis after Coronary Artery Bypass Grafting K. Kohno et al.……141 Heparin Anticoagulation during Cardiopulmonary Bypass for Thoracoabdominal Aorta Replacement in a Patient with a History of Heparin-Induced Thrombocytopenia M. Ohba et al.……144 A Case of Abdominal Aortic Aneurysm in Association with Horseshoe Kidney Y. Sotoda et al.……148 Emergency Redo Aortic Root Replacement for Composite Graft Dehiscence due to Aortitis Syndrome in a Child Y. Maekawa et al.……151 A Successful Case of Treatment of Graft Infection by Using Allografts after Ascending Thoracic Aortic Reconstruction T. Nakajima et al.……155