Hitoshi Koyanagi

Ontology type: schema:Person     

Person Info





Publications in SciGraph latest 50 shown

  • 2008-10 Successful treatment of a patient with severe pulmonary hypertension due to perivalvular leakage at aortic and mitral positions after aortic and mitral valve replacement in GENERAL THORACIC AND CARDIOVASCULAR SURGERY
  • 2005-05 Pedicled cardiac hemangioma with right ventricular outflow tract obstruction in GENERAL THORACIC AND CARDIOVASCULAR SURGERY
  • 2003-08 Left ventricular mass index reduction early after an isolated aortic valve replacement with St Jude medical 19A-HP in GENERAL THORACIC AND CARDIOVASCULAR SURGERY
  • 2003-06 Echocardiographically evaluated site of attachment of atrial myxoma may predict recurrence in JOURNAL OF MEDICAL ULTRASONICS
  • 2002-07 Acute aortic dissection in a patient with idiopathic dilated cardiomyopathy in GENERAL THORACIC AND CARDIOVASCULAR SURGERY
  • 2002-05 Extracorporeal membrane oxygenation and left ventricular assist device: a case of double mechanical bridge in HEART AND VESSELS
  • 2002-04 Acute occlusion of coronary artery bypass graft with nonionic contrast medium in GENERAL THORACIC AND CARDIOVASCULAR SURGERY
  • 2002-01 Effects of milrinone for right ventricular failure after left ventricular assist device implantation in HEART AND VESSELS
  • 2001 Surgery of the Ascending Aorta and/or Aortic Arch Using Deep Hypothermic Circulatory Arrest with Retrograde Cerebral Perfusion and Open Technique in CARDIO-AORTIC AND AORTIC SURGERY
  • 2000-11 St. Jude Medical prosthetic aortic valve malfunction due to pannus formation in GENERAL THORACIC AND CARDIOVASCULAR SURGERY
  • 2000-11 Mid-term follow up results of Japanese heart transplant patients operated in UCLA Medical Center in GENERAL THORACIC AND CARDIOVASCULAR SURGERY
  • 2000-09 Current circulatory support with step-by evaluation of biventricular and pulmonary function in JOURNAL OF ARTIFICIAL ORGANS
  • 2000-09 Reliable trigger of direct cardiac potential for stable drive control of ventricular assist device in JOURNAL OF ARTIFICIAL ORGANS
  • 2000-03 Effect of prolonged nonpulsatile left heart bypass on vascular control status in JOURNAL OF ARTIFICIAL ORGANS
  • 2000 Rotary Blood Pumps: Paracorporeal, Implantable, or Percutaneous? in ROTARY BLOOD PUMPS
  • 1999-11 A noninvasive method of measuring wave intensity, a new hemodynamic index: application to the carotid artery in patients with mitral regurgitation before and after surgery in HEART AND VESSELS
  • 1999-11 Reflections on the progress of Japanese thoracic surgery over the past half century and recommendations for the coming century in GENERAL THORACIC AND CARDIOVASCULAR SURGERY
  • 1999-07 Use of arterial grafts for coronary revascularization in GENERAL THORACIC AND CARDIOVASCULAR SURGERY
  • 1998-12 Postoperative therapy using human atrial natriurectic peptide in cases of valve replacement in GENERAL THORACIC AND CARDIOVASCULAR SURGERY
  • 1998-10 Coronary artery bypass grafting for cases which were not amenable to preoperative left ventriculogram in GENERAL THORACIC AND CARDIOVASCULAR SURGERY
  • 1998-09 A case of coronary artery bypass grafting for effort angina in a patient with post skin grafting for an extramammary Paget’s desease in GENERAL THORACIC AND CARDIOVASCULAR SURGERY
  • 1998-05 Thoracic and cardiovascular surgery in Japan during 1996: annual report by the Japanese association for thoracic surgery in GENERAL THORACIC AND CARDIOVASCULAR SURGERY
  • 1998-02 Postoperative complications after coronary bypass operations in patients with pulmonary impairment in GENERAL THORACIC AND CARDIOVASCULAR SURGERY
  • 1998 Ultracompact, High-Performance, Completely Implantable Permanent Electromechanical Total Artificial Heart in HEART REPLACEMENT
  • 1998 In Vivo Evaluation of an Intraventricular Axial Flow Blood Pump in HEART REPLACEMENT
  • 1998 Multivariate Analysis of Key Factors in Clinical Results of Postcardiotomy Circulatory Support in HEART REPLACEMENT
  • 1998-01 Association between the degree of platelet-derived growth factor-A chain mRNA expression and coronary arteriosclerosis in the transplanted heart in HEART AND VESSELS
  • 1998 Mechanisms of Exercise Response in Denervated Heart After Transplant in HEART REPLACEMENT
  • 1998 Muscle Blood Pump Driven by Roller Screw Linear Actuator in HEART REPLACEMENT
  • 1998 Development and Clinical Application of Silicon-Coated, Leak-Free Oxygenator with a Built-in Hemoconcentration Function in HEART REPLACEMENT
  • 1998 The “Cool Seal” Concept: A Low-Temperature Mechanical Seal with Recirculating Purge System for Rotary Blood Pumps in HEART REPLACEMENT
  • 1998 First Experience of Novacor Implant at the Heart Institute of Japan in HEART REPLACEMENT
  • 1996-07 Combined aortic and mitral valve replacement in an adult with mucopolysaccharidosis (Maroteaux-Lamy syndrome) in HEART AND VESSELS
  • 1996 Low Hemolytic Intraventricular Axial Flow Blood Pump Integrated with Totally Implantable Bearing Purge System in HEART REPLACEMENT
  • 1996 Possibility of Circulatory Assist Using Xenograft: Immunological Assessment in HEART REPLACEMENT
  • 1996 In Vitro Evaluation of Six Different Segmented Polyurethanes and HEMA/St Block Copolymer Using Epifluorescent Video Microscopy in HEART REPLACEMENT
  • 1996 Bearing Seizure in a Rotational Blood Pump: Mechanism and Potential Solutions in HEART REPLACEMENT
  • 1996 Nonthrombogenic Modification of Blood-Contacting Surfaces of Ventricular Assist Devices in HEART REPLACEMENT
  • 1996 Different Applications of Circulatory Support After Surgery for Valvular and for Ischemic Heart Disease in HEART REPLACEMENT
  • 1996 Improvement of Percutaneous Veno-Arterial Bypass System Toward Longer and More Physiological Assist in HEART REPLACEMENT
  • 1995-11 Long-term results of aortic valve translocation for mycotic periannular abscess: Comparative study of Danielson’s original method and our threadless method in HEART AND VESSELS
  • 1993 Development and Intermediate Results of a New Short Durable Balloon for Intraaortic Balloon Pumping in HEART REPLACEMENT
  • 1993 Trans-Mitral Ventricular Uptake for Temporary Left Ventricular Support Without Blood Stagnation in HEART REPLACEMENT
  • 1993 Antithrombogenic Regimen for Clinical Use of Pneumatic Ventricular Assist Device in HEART REPLACEMENT
  • 1993 Development of a Miniature Intraventricular Axial Flow Blood Pump as a Fully Implantable Left Ventricular Assist Device for Bridge Use in HEART REPLACEMENT
  • 1993 Improved Patency of HEMA/Styrene Block Copolymer-Coated Small Vessel Prosthesis Without Neointima Formation in HEART REPLACEMENT
  • 1993 Non-Invasive Monitoring for Cardiac Rejection Using Impedance Plethysmograms in HEART REPLACEMENT
  • 1993 Development of Straight Path Centrifugal Pump in HEART REPLACEMENT
  • 1993 Low-Heparinized Left or Biventricular Bypass with Oxygenation: Possibility of an Alternative Cardiopulmonary Support in Lung Transplantation in HEART REPLACEMENT
  • 1993 Functional Evaluation of Dynamic Cardiomyoplasty in Chronic Heart Failure Model* in HEART REPLACEMENT
  • JSON-LD is the canonical representation for SciGraph data.

    TIP: You can open this SciGraph record using an external JSON-LD service: JSON-LD Playground Google SDTT

        "@context": "https://springernature.github.io/scigraph/jsonld/sgcontext.json", 
        "affiliation": [
            "affiliation": {
              "id": "https://www.grid.ac/institutes/grid.430395.8", 
              "type": "Organization"
            "isCurrent": true, 
            "type": "OrganizationRole"
            "id": "https://www.grid.ac/institutes/grid.413415.6", 
            "type": "Organization"
            "id": "https://www.grid.ac/institutes/grid.5290.e", 
            "type": "Organization"
            "id": "https://www.grid.ac/institutes/grid.410818.4", 
            "type": "Organization"
        "familyName": "Koyanagi", 
        "givenName": "Hitoshi", 
        "id": "sg:person.0777751144.04", 
        "sameAs": [
        "sdDataset": "persons", 
        "sdDatePublished": "2019-03-07T14:40", 
        "sdLicense": "https://scigraph.springernature.com/explorer/license/", 
        "sdPublisher": {
          "name": "Springer Nature - SN SciGraph project", 
          "type": "Organization"
        "sdSource": "s3://com-uberresearch-data-dimensions-researchers-20181010/20181011/dim_researchers/base/researchers_417.json", 
        "type": "Person"

    Download the RDF metadata as:  json-ld nt turtle xml License info


    JSON-LD is a popular format for linked data which is fully compatible with JSON.

    curl -H 'Accept: application/ld+json' 'https://scigraph.springernature.com/person.0777751144.04'

    N-Triples is a line-based linked data format ideal for batch operations.

    curl -H 'Accept: application/n-triples' 'https://scigraph.springernature.com/person.0777751144.04'

    Turtle is a human-readable linked data format.

    curl -H 'Accept: text/turtle' 'https://scigraph.springernature.com/person.0777751144.04'

    RDF/XML is a standard XML format for linked data.

    curl -H 'Accept: application/rdf+xml' 'https://scigraph.springernature.com/person.0777751144.04'


    Preview window. Press ESC to close (or click here)