Contact

Education

  • Fellowship, Thomas Jefferson University Hospital, Philadelphia, PA
  • Residency, Kyoto Prefectural University of Medicine, Kyoto, Japan
  • M.D., Kyoto Prefectural University of Medicine, Kyoto, Japan
  • Ph.D., Kyoto Prefectural University of Medicine, Kyoto, Japan

Publications

  • Gabrielle A, Shimamura J, Spielvogel D, et. al. "Two variations of Commando-Nicks approach for calcified aortic and mitral valve disease." Multimedia manual of cardiothoracic surgery : MMCTS, 2026(), (2026) . doi: 10.1510/mmcts.2026.008
  • Shimamura J, Jaramillo N, Amar G, et. al. "Incidence and Management of Access Site Infection Following Trans-Axillary Implant of a Microaxial Left Ventricular Assist Device." Artificial organs, (), (2026) . doi: 10.1111/aor.70146
  • McCullough K, Klopfer V, Ohira S, et. al. "Explant of a 21-mm homograft with redo aortic root replacement with a 25-mm bioprosthesis." Multimedia manual of cardiothoracic surgery : MMCTS, 2026(), (2026) . doi: 10.1510/mmcts.2025.152
  • McCullough K, Al Rameni D, Ohira S, et. al. "Re-operative hemi-commando operation without a homograft: an alternative approach for complex aortic root abscess." Multimedia manual of cardiothoracic surgery : MMCTS, 2026(), (2026) . doi: 10.1510/mmcts.2025.165
  • Nakamae K, Tavolacci SC, Onohara D, et. al. "The Role of Donation After Circulatory Death in Heart Retransplantation: A United Organ Network for Organ Sharing Database Analysis." ASAIO journal (American Society for Artificial Internal Organs : 1992), (), (2025) . doi: 10.1097/MAT.0000000000002636
  • Tavolacci SC, Okumura K, Isath A, et. al. "Simultaneous Heart and Kidney Transplantation Using Circulatory Death Donors: Are Kidney Graft Outcomes Comparable With Brain Death Donors?" Transplantation direct, 11(10), (2025) e1853. doi: 10.1097/TXD.0000000000001853
  • Ohira S. "Reoperations After Type A Dissection: Not a Failure, but a Continuation of Care." The Annals of thoracic surgery, 121(3), (2026) 557. doi: 10.1016/j.athoracsur.2025.07.045
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Teaching Responsibilities

General Surgery Residents, Medical Students Rotations