Chiho Tokunanga

Summary

Affiliation: University of Tsukuba
Country: Japan

Publications

  1. doi request reprint Effects of landiolol hydrochloride on intractable tachyarrhythmia after pediatric cardiac surgery
    Chiho Tokunaga
    Department of Cardiovascular Surgery, University of Tsukuba, Ibaraki, Japan Department of Pediatric Cardiology, University of Tsukuba, Ibaraki, Japan Electronic address
    Ann Thorac Surg 95:1685-8. 2013
  2. doi request reprint Surgical removal of infected pacemaker leads without cardiopulmonary bypass after failed extraction using the Excimer Laser Sheath Extraction System
    Chiho Tokunaga
    Department of Cardiovascular Surgery and Cardiology, Graduate School of Comprehensive Human Science, University of Tsukuba, 1 1 1 Tennoudai, Tsukuba, Ibaraki 305 7565, Japan
    J Artif Organs 15:94-8. 2012
  3. pmc Fibrinogen decreases cardiomyocyte contractility through an ICAM-1-dependent mechanism
    John H Boyd
    University of British Columbia Critical Care Research Laboratories, St Paul s Hospital, 1081 Burrard Street, Vancouver, BC, V6Z 1Y6, Canada
    Crit Care 12:R2. 2008
  4. doi request reprint Giant coronary artery aneurysm with pulmonary artery fistula in a patient on chronic hemodialysis
    Chiho Tokunaga
    Department of Cardiovascular Surgery, University of Tsukuba, Ibaraki, Japan
    Ann Thorac Surg 89:963-5. 2010
  5. ncbi request reprint Erythropoietin enhances arterioles more significantly than it does capillaries in an infarcted rat heart model
    Tomohiro Imazuru
    Graduate School of Comprehensive Human Sciences, University of Tsukuba, Tsukuba, Ibaraki, Japan
    Int Heart J 50:801-10. 2009
  6. doi request reprint The minimum coronary artery diameter in which coronary spasm can be identified by synchrotron radiation coronary angiography
    Shonosuke Matsushita
    Cardiovascular Surgery, University of Tsukuba, 1 1 1 Tennodai, Tsukuba, Ibaraki 305 8575, Japan
    Eur J Radiol 68:S84-8. 2008
  7. doi request reprint Kawashima procedure after staged unifocalizations in asplenia with major aortopulmonary collateral arteries
    Yukiko Ban
    Department of Cardiovascular Surgery, University of Tsukuba, Tsukuba, Japan
    Ann Thorac Surg 89:971-3. 2010
  8. ncbi request reprint Sex difference in peripheral arterial response to cold exposure
    Fujio Sato
    Department of Cardiovascular Surgery, Graduate School of Comprehensive Human Science, University of Tsukuba, Japan
    Circ J 72:1367-72. 2008
  9. ncbi request reprint Palliative open heart surgery in an infant with factor VII deficiency
    Chiho Tokunaga
    Department of Cardiovascular Surgery, University of Tsukuba, Tsukuba 305 8575, Japan
    Ann Thorac Surg 76:2093-4. 2003

Collaborators

  • Yuji Hiramatsu
  • Shonosuke Matsushita
  • Masakazu Abe
  • Shinji Akishima
  • Chiho Tokunaga
  • Yuzuru Sakakibara
  • Shinya Kanemoto
  • Yoshiharu Enomoto
  • Fujio Sato
  • Hitoshi Horigome
  • Tomohiro Imazuru
  • Yukiko Ban
  • Kazuyuki Hyodo
  • Miho Takahashi-Igari
  • John H Boyd
  • Mio Noma
  • Kazutaka Aonuma
  • Hideyuki Kato
  • Akito Imai
  • Yumiko Oishi Tanaka
  • Yutaka Watanabe
  • Ryon M Bateman
  • Ehsan Y Davani
  • Keith R Walley
  • Yinjin Wang
  • Greg Haljan
  • Edmond H Chau

Detail Information

Publications9

  1. doi request reprint Effects of landiolol hydrochloride on intractable tachyarrhythmia after pediatric cardiac surgery
    Chiho Tokunaga
    Department of Cardiovascular Surgery, University of Tsukuba, Ibaraki, Japan Department of Pediatric Cardiology, University of Tsukuba, Ibaraki, Japan Electronic address
    Ann Thorac Surg 95:1685-8. 2013
    ..The drug has higher β1:β2 selectivity ratio and a less negative inotropic effect. This study retrospectively evaluates the efficacy and safety of landiolol in the management of tachyarrhythmias after pediatric cardiac surgery...
  2. doi request reprint Surgical removal of infected pacemaker leads without cardiopulmonary bypass after failed extraction using the Excimer Laser Sheath Extraction System
    Chiho Tokunaga
    Department of Cardiovascular Surgery and Cardiology, Graduate School of Comprehensive Human Science, University of Tsukuba, 1 1 1 Tennoudai, Tsukuba, Ibaraki 305 7565, Japan
    J Artif Organs 15:94-8. 2012
    ..Also, for emergent situations, we believe that close backup by a cardiovascular surgical team should be considered essential for performing the Excimer Laser Sheath Lead Extraction safely...
  3. pmc Fibrinogen decreases cardiomyocyte contractility through an ICAM-1-dependent mechanism
    John H Boyd
    University of British Columbia Critical Care Research Laboratories, St Paul s Hospital, 1081 Burrard Street, Vancouver, BC, V6Z 1Y6, Canada
    Crit Care 12:R2. 2008
    ..We investigated whether fibrinogen and fibrinogen degradation products, including D-dimer, could alter cardiomyocyte contractile function through interaction with ICAM-1 found on inflamed cardiomyocytes...
  4. doi request reprint Giant coronary artery aneurysm with pulmonary artery fistula in a patient on chronic hemodialysis
    Chiho Tokunaga
    Department of Cardiovascular Surgery, University of Tsukuba, Ibaraki, Japan
    Ann Thorac Surg 89:963-5. 2010
    ..The patient's restrictive cardiac dysfunction was improved after aneurysm resection. Surgical resection should be considered for giant coronary artery aneurysm with restrictive cardiac dysfunction...
  5. ncbi request reprint Erythropoietin enhances arterioles more significantly than it does capillaries in an infarcted rat heart model
    Tomohiro Imazuru
    Graduate School of Comprehensive Human Sciences, University of Tsukuba, Tsukuba, Ibaraki, Japan
    Int Heart J 50:801-10. 2009
    ..7 and 119 +/- 2.1 in the Epo and control groups, respectively (P < 0.00005). Epo enhanced arterioles more significantly than it did capillaries in this infarcted rat heart model...
  6. doi request reprint The minimum coronary artery diameter in which coronary spasm can be identified by synchrotron radiation coronary angiography
    Shonosuke Matsushita
    Cardiovascular Surgery, University of Tsukuba, 1 1 1 Tennodai, Tsukuba, Ibaraki 305 8575, Japan
    Eur J Radiol 68:S84-8. 2008
    ..However, synchrotron radiation coronary angiography (SRCA) can identify coronary arteries down to 100 microm in diameter in the beating heart and 50 microm in arrested heart...
  7. doi request reprint Kawashima procedure after staged unifocalizations in asplenia with major aortopulmonary collateral arteries
    Yukiko Ban
    Department of Cardiovascular Surgery, University of Tsukuba, Tsukuba, Japan
    Ann Thorac Surg 89:971-3. 2010
    ..Cyanosis, respiratory distress, and ventricular function improved...
  8. ncbi request reprint Sex difference in peripheral arterial response to cold exposure
    Fujio Sato
    Department of Cardiovascular Surgery, Graduate School of Comprehensive Human Science, University of Tsukuba, Japan
    Circ J 72:1367-72. 2008
    ..The present study used synchrotron radiation micro-angiography (SRMA) to examine the hypothesis that this feeling is derived from a sex difference in the vascular response to coldness...
  9. ncbi request reprint Palliative open heart surgery in an infant with factor VII deficiency
    Chiho Tokunaga
    Department of Cardiovascular Surgery, University of Tsukuba, Tsukuba 305 8575, Japan
    Ann Thorac Surg 76:2093-4. 2003
    ..We conclude that an appropriate replacement therapy is needed to control bleeding during open heart surgery with factor VII deficiency...