Professor HATA Hiroki

 Our basic researches are as follows．1，2）Umbilical cord blood-cell or bone marrow-mononuclear cell implantations on the development of primitive/injured pulmonary vasculature, and those mechanism; 3）small graft ; and 4）Role of hypoxia-inducible factor as a regulator in development of systemic and pulmonary arterial remodeling ; 5）Transcatheter atrial septal occluder device using biodegradable materials.
 Our clinical researches are as follows. 1）Development of surgical strategy for several severe heart and vascular diseases; 2）Development of immune system after major heart operation in early infancy ; 3）Progression of abdominal aortic aneurysm and its prevention; and 4）Analysis of risk factors of clinical outcomes following Transcatheter Aortic Valve Implantation, including perivalvular leakage and renal failure.