Naomi Izumida

Summary

Country: Japan

Publications

  1. pmc Coronary artery spasm induced by carotid sinus massage
    M Nishizaki
    Department of Cardiology, Yokohama Minami Kyosai Hospital, 500 Mutsuura, Kanazawaku, Yokohama Kanagawa, 236 0032, Japan
    Heart 84:E2. 2000
  2. doi request reprint Classification and assessment of computerized diagnostic criteria for Brugada-type electrocardiograms
    Mitsuhiro Nishizaki
    Department of Cardiology, Yokohama Minami Kyosai Hospital, Yokohama, Kanagawa, Japan
    Heart Rhythm 7:1660-6. 2010
  3. doi request reprint ST-T wave changes in a patient complicated with vasospastic angina and Brugada syndrome: differential responses to acetylcholine in right and left coronary artery
    Mitsuhiro Nishizaki
    Department of Cardiology, Yokohama Minami Kyosai Hospital, 1 21 1 Mutsuura Higashi, Kanazawa Ku, Yokohama 236 0037, Japan
    Heart Vessels 23:201-5. 2008
  4. ncbi request reprint Influence of meals on variations of ST segment elevation in patients with Brugada syndrome
    Mitsuhiro Nishizaki
    Department of Cardiology, Yokohama Minami Kyosai Hospital, Yokohama, Japan
    J Cardiovasc Electrophysiol 19:62-8. 2008
  5. ncbi request reprint Spontaneous T wave alternans in a patient with Brugada syndrome--responses to intravenous administration of class I antiarrhythmic drug, glucose tolerance test, and atrial pacing
    Mitsuhiro Nishizaki
    Department of Cardiology, Yokohama Minami Kyosai Hospital, Yokohama, Japan
    J Cardiovasc Electrophysiol 16:217-20. 2005
  6. ncbi request reprint Low risk for arrhythmic events in asymptomatic patients with drug-induced type 1 ECG. Do patients with drug-induced Brugada type ECG have poor prognosis? (Con)
    Mitsuhiro Nishizaki
    Department of Cardiology, Yokohama Minami Kyosai Hospital, Yokohama, Japan
    Circ J 74:2464-73. 2010
  7. ncbi request reprint Case report: alternating exit sites in reentry circuit of ventricular tachycardia with nonischemic cardiomyopathy - relationship between ablation site and inner loop
    M Nishizaki
    Department of Cardiology, Yokohama Minami Kyosai Hospital, Kanagawa, Japan
    J Interv Card Electrophysiol 5:471-5. 2001
  8. ncbi request reprint Effects of glucose-induced insulin secretion on ST segment elevation in the Brugada syndrome
    Mitsuhiro Nishizaki
    Department of Cardiology, Yokohama Minami Kyosai Hospital, Kanagawa, Yokohama, Japan
    J Cardiovasc Electrophysiol 14:243-9. 2003
  9. ncbi request reprint Effects of glucose-induced insulin secretion on ventricular repolarization in patients with congenital long QT syndrome
    Mitsuhiro Nishizaki
    Department of Cardiology, Yokohama Minami Kyosai Hospital, Kanagawa, Japan
    Circ J 66:35-40. 2002
  10. ncbi request reprint Unexpected mexiletine responses of a mutant cardiac Na+ channel implicate the selectivity filter as a structural determinant of antiarrhythmic drug access
    Koji Sasaki
    Department of Cardiovascular Medicine, Hokkaido University Graduate School of Medicine, Sapporo, Japan
    Mol Pharmacol 66:330-6. 2004

Collaborators

Detail Information

Publications18

  1. pmc Coronary artery spasm induced by carotid sinus massage
    M Nishizaki
    Department of Cardiology, Yokohama Minami Kyosai Hospital, 500 Mutsuura, Kanazawaku, Yokohama Kanagawa, 236 0032, Japan
    Heart 84:E2. 2000
    ..The vasospasm induced by carotid sinus massage was reproducible over several minutes and resolved spontaneously. Coronary artery spasm may be provoked by the enhanced vagal activation due to carotid sinus massage...
  2. doi request reprint Classification and assessment of computerized diagnostic criteria for Brugada-type electrocardiograms
    Mitsuhiro Nishizaki
    Department of Cardiology, Yokohama Minami Kyosai Hospital, Yokohama, Kanagawa, Japan
    Heart Rhythm 7:1660-6. 2010
    ....
  3. doi request reprint ST-T wave changes in a patient complicated with vasospastic angina and Brugada syndrome: differential responses to acetylcholine in right and left coronary artery
    Mitsuhiro Nishizaki
    Department of Cardiology, Yokohama Minami Kyosai Hospital, 1 21 1 Mutsuura Higashi, Kanazawa Ku, Yokohama 236 0037, Japan
    Heart Vessels 23:201-5. 2008
    ..These electrocardiographic changes in response to acetylcholine administration into each coronary artery are compatible with pathogenesis of vasospastic angina and Brugada syndrome, respectively...
  4. ncbi request reprint Influence of meals on variations of ST segment elevation in patients with Brugada syndrome
    Mitsuhiro Nishizaki
    Department of Cardiology, Yokohama Minami Kyosai Hospital, Yokohama, Japan
    J Cardiovasc Electrophysiol 19:62-8. 2008
    ..Glucose-induced insulin secretion is one of the contributing factors to fluctuation of ST segment elevation in Brugada syndrome...
  5. ncbi request reprint Spontaneous T wave alternans in a patient with Brugada syndrome--responses to intravenous administration of class I antiarrhythmic drug, glucose tolerance test, and atrial pacing
    Mitsuhiro Nishizaki
    Department of Cardiology, Yokohama Minami Kyosai Hospital, Yokohama, Japan
    J Cardiovasc Electrophysiol 16:217-20. 2005
    ..Na+ channel mutation may contribute to the genesis of his ECG changes...
  6. ncbi request reprint Low risk for arrhythmic events in asymptomatic patients with drug-induced type 1 ECG. Do patients with drug-induced Brugada type ECG have poor prognosis? (Con)
    Mitsuhiro Nishizaki
    Department of Cardiology, Yokohama Minami Kyosai Hospital, Yokohama, Japan
    Circ J 74:2464-73. 2010
    ....
  7. ncbi request reprint Case report: alternating exit sites in reentry circuit of ventricular tachycardia with nonischemic cardiomyopathy - relationship between ablation site and inner loop
    M Nishizaki
    Department of Cardiology, Yokohama Minami Kyosai Hospital, Kanagawa, Japan
    J Interv Card Electrophysiol 5:471-5. 2001
    ....
  8. ncbi request reprint Effects of glucose-induced insulin secretion on ST segment elevation in the Brugada syndrome
    Mitsuhiro Nishizaki
    Department of Cardiology, Yokohama Minami Kyosai Hospital, Kanagawa, Yokohama, Japan
    J Cardiovasc Electrophysiol 14:243-9. 2003
    ..Insulin has been shown to affect QT dispersion in healthy volunteers, as well as result in abnormality of ventricular repolarization in patients with congenital long QT syndrome...
  9. ncbi request reprint Effects of glucose-induced insulin secretion on ventricular repolarization in patients with congenital long QT syndrome
    Mitsuhiro Nishizaki
    Department of Cardiology, Yokohama Minami Kyosai Hospital, Kanagawa, Japan
    Circ J 66:35-40. 2002
    ..The findings suggest that glucose-induced insulin secretion plays a role in inducing abnormalities and inhomogeneity of ventricular repolarization in patients with LQTS...
  10. ncbi request reprint Unexpected mexiletine responses of a mutant cardiac Na+ channel implicate the selectivity filter as a structural determinant of antiarrhythmic drug access
    Koji Sasaki
    Department of Cardiovascular Medicine, Hokkaido University Graduate School of Medicine, Sapporo, Japan
    Mol Pharmacol 66:330-6. 2004
    ..We propose that the Na(+) channel selectivity filter region is a structural determinant for the antiarrhythmic drug sensitivity in addition to gating properties of the indigenous Na(+) channels that govern the state-dependent drug block...
  11. ncbi request reprint A mutant cardiac sodium channel with multiple biophysical defects associated with overlapping clinical features of Brugada syndrome and cardiac conduction disease
    Nobumasa Shirai
    Department of Cardiovascular Medicine, Hokkaido University Graduate School of Medicine, Kita 15, Nishi 7, Kita ku, Sapporo 060 8638, Japan
    Cardiovasc Res 53:348-54. 2002
    ..We have studied the biophysical properties of an IVF mutation (S1710L) that exhibited an unusual clinical phenotype: rate-dependent bundle branch block without manifestation of Brugada-type ECG pattern...
  12. ncbi request reprint 17-year follow-up study of a patient with obstructive hypertrophic cardiomyopathy with a deletion mutation in the cardiac myosin binding protein C gene
    Akiyoshi Ogimoto
    The Second Department of Internal Medicine, Ehime University School of Medicine, Osen gun, Japan
    Circ J 68:174-7. 2004
    ..Paroxysmal atrial fibrillation occurred at the age of 52 and progressed to chronic atrial fibrillation at the age of 53. He had congestive heart failure at the age of 58...
  13. ncbi request reprint Anti-KCNH2 antibody-induced long QT syndrome: novel acquired form of long QT syndrome
    Kazufumi Nakamura
    J Am Coll Cardiol 50:1808-9. 2007
  14. pmc A novel mutation in KCNQ1 associated with a potent dominant negative effect as the basis for the LQT1 form of the long QT syndrome
    Yoshiyasu Aizawa
    Masonic Medical Research Laboratory, Utica, New York 13501 1787, USA
    J Cardiovasc Electrophysiol 18:972-7. 2007
    ..Long QT Syndrome (LQTS) is an inherited disorder characterized by prolonged QT intervals and life-threatening polymorphic ventricular tachyarrhythmias. LQT1 caused by KCNQ1 mutations is the most common form of LQTS...
  15. ncbi request reprint Successful outcome in a pregnant woman with isolated noncompaction of the left ventricular myocardium
    Yoshiko Munehisa
    Division of Cardiovascular and Respiratory Medicine, Department of Internal Medicine, Akita University School of Medicine
    Intern Med 46:285-9. 2007
    ..Interestingly, echocardiography demonstrated INVM in both the child and mother. This report is the first description of a successful pregnancy in a patient with familial INVM...
  16. ncbi request reprint Clinical significance of T-wave alternans in hypertrophic cardiomyopathy
    Nami Kuroda
    Department of Internal Medicine, Kobe University Graduate School of Medicine, Chuoku, Japan
    Circ J 66:457-62. 2002
    ..9+/-1.1 vs 0.7+/-0.5; p<0.05). TWA in HCM correlates with histopathological changes, especially disarray and ventricular tachyarrhythmia, and measuring it may be a noninvasive means of detecting high-risk patients with HCM...
  17. ncbi request reprint Functional characterization of a trafficking-defective HCN4 mutation, D553N, associated with cardiac arrhythmia
    Kazuo Ueda
    Department of Molecular Pathogenesis, Medical Research Institute and Laboratory of Genome Diversity, School of Biomedical Science, Tokyo Medical and Dental University, Tokyo 101 0062, Japan
    J Biol Chem 279:27194-8. 2004
    ....
  18. ncbi request reprint Novel C-terminus frameshift mutation, 1122fs/147, of HERG in LQT2: additional amino acids generated by frameshift cause accelerated inactivation
    Tetsuo Sasano
    Department of Cardiovascular Disease, Medical Research Institute, Tokyo Medical and Dental University, 1 5 45 Yushima, Bunkyo ku, Tokyo 113 8510, Japan
    J Mol Cell Cardiol 37:1205-11. 2004
    ..To understand further the role of C-terminus region, we performed a functional analysis of a novel frameshift mutation (1122fs/147) identified in a Japanese long QT syndrome 2 (LQT2) patient who had recurrent episodes of syncope...