Research Topics
Genomes and Genes | Hiroshi InoueSummaryAffiliation: University of Toyama Country: Japan Publications
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Publications
Canine model of Brugada syndrome using regional epicardial cooling of the right ventricular outflow tractKunihiro Nishida
Second Department of Internal Medicine, Toyama Medical and Pharmaceutical University, Toyama, Japan
J Cardiovasc Electrophysiol 15:936-41. 2004..CONCLUSION: Localized epicardial cooling of the RVOT could be an in vivo experimental model of Brugada syndrome...
Enalapril preserves sinus node function in a canine atrial fibrillation model induced by rapid atrial pacingMasao Sakabe
Second Department of Internal Medicine, Toyama Medical and Pharmaceutical University, Toyama, Japan
J Cardiovasc Electrophysiol 16:1209-14. 2005..CONCLUSIONS: Rapid atrial pacing impaired SN function through IF and AT of the SN. Enalapril prevented these pacing-induced degenerative changes and improved SN function...
Thromboembolism in patients with nonvalvular atrial fibrillation: comparison between Asian and Western countriesHiroshi Inoue
Second Department of Internal Medicine, Toyama University Hospital, 2630 Sugitani, Toyama City, Toyama 930 0194, Japan
J Cardiol 61:1-7. 2013..New oral anticoagulants have been launched in Japan as an alternative to warfarin. The management strategy for AF patients needs to be modified based on the data obtained from Japanese patients...
Prevalence of atrial fibrillation in the general population of Japan: an analysis based on periodic health examinationHiroshi Inoue
Second Department of Internal Medicine, Graduate School of Medicine, University of Toyama, Sugitani, Toyama, Japan
Int J Cardiol 137:102-7. 2009..The age- and gender-specific prevalence rate of atrial fibrillation (AF) in the general population of Japan was determined using the data from periodic health examinations in 2003...
Accumulation of risk factors increases risk of thromboembolic events in patients with nonvalvular atrial fibrillationHiroshi Inoue
Second Department of Internal Medicine, University of Toyama, Toyama, Japan
Circ J 70:651-6. 2006..To validate this hypothesis, a post hoc analysis was performed to determine the relationship of risk levels and thromboembolic events in patients with NVAF from our previous prospective study...
Sex-related differences in the risk factor profile and medications of patients with atrial fibrillation recruited in J-TRACEHiroshi Inoue
Department of Internal Medicine, University of Toyama, Toyama, Japan
Circ J 74:650-4. 2010..Whether such a difference exists for Japanese patients with AF is unclear, so data from J-TRACE were used to investigate this issue...
d,l-Sotalol reverses abbreviated atrial refractoriness and prevents promotion of atrial fibrillation in a canine model with left ventricular dysfunction induced by atrial tachypacingTamotsu Sakamoto
Second Department of Internal Medicine, University of Toyama, Japan
Circ J 73:1820-8. 2009..This study evaluated antiarrhythmic effects of d,l-sotalol in a canine atrial fibrillation (AF) model with left ventricular dysfunction...
Accumulation of risk factors enhances the prothrombotic state in atrial fibrillationKazumasa Ohara
Second Department of Internal Medicine, University of Toyama, 2630 Sugitani, Toyama 930 0194, Japan
Int J Cardiol 126:316-21. 2008..The present study was conducted to investigate the relation between the accumulation of the risk factors of thromboembolism and the levels of hemostatic markers in patients with nonvalvular atrial fibrillation (NVAF)...
UGT2B7*3 did not affect the pharmacokinetics of R- and S-carvedilol in healthy JapaneseMutsuko Honda
Graduate School of Medicine and Pharmaceutical Sciences, University of Toyama, Toyama, Japan
Drug Metab Pharmacokinet 22:382-6. 2007....
D-dimer level influences thromboembolic events in patients with atrial fibrillationTakashi Nozawa
Second Department of Internal Medicine, Toyama Medical and Pharmaceutical University, 2630 Sugitani, Toyama, 930-0194, Nagasaki, Japan
Int J Cardiol 109:59-65. 2006..CONCLUSIONS: D-dimer level in combination with clinical risk factors could effectively predict subsequent thromboembolic events in patients with NVAF even when treated with warfarin...
Influence of CYP2D6 genotype on metoprolol plasma concentration and beta-adrenergic inhibition during long-term treatment: a comparison with bisoprololTakashi Nozawa
Second Department of Internal Medicine, Toyama Medical and Pharmaceutical University, 2630 Sugitani, Toyama 930 0194, Japan
J Cardiovasc Pharmacol 46:713-20. 2005..In contrast, bisoprolol has a relatively constant beta-adrenergic inhibition independent of CYP2D6 genotype...
Chronic kidney disease and CHADS(2) score independently predict cardiovascular events and mortality in patients with nonvalvular atrial fibrillationKeiko Nakagawa
Second Department of Internal Medicine, University of Toyama, Toyama, Japan
Am J Cardiol 107:912-6. 2011..Long-term mortality, cardiac events, and stroke risk were >8 times higher when decreased eGFR (<60 ml/min/1.73 m(2)) was present with higher CHADS(2) score (≥2)...
Multiple regression analysis of pharmacogenetic variability of carvedilol disposition in 54 healthy Japanese volunteersMutsuko Honda
Graduate School of Pharmaceutical Sciences, University of Toyama, Sugitani, Japan
Biol Pharm Bull 29:772-8. 2006..On the other hand, CYP2C9*3, CYP2C19*2, CYP2C19*3, CYP3A5*3, UGT2B7*2, and MDR1 C3435T did not significantly affect the pharmacokinetics of carvedilol in Japanese subjects...
Supersensitive response to isoproterenol in patients with marked global reduction of cardiac metaiodobenzylguanidine uptakeNaohiro Yoshida
The Second Department of Internal Medicine, Toyama Medical and Pharmaceutical University, Toyama, Japan
Circ J 67:745-9. 2003..4%) and II (2.6+/-1.7 mm and 8.9+/-7.9%). The present results suggest that the sympathetically denervated human heart is supersensitive to IP and the exaggerated responses may be caused, at least in part, by a postsynaptic mechanism...
Anticoagulation control quality affects the D-dimer levels of atrial fibrillation patientsYosuke Nakatani
Second Department of Internal Medicine, Graduate School of Medicine, University of Toyama, Japan
Circ J 76:317-21. 2012..Anticoagulation control quality affects the incidence of thromboembolic events in atrial fibrillation (AF) patients. However, the effects of anticoagulation control quality on the prothrombotic state of AF patients are unclear...
Fluvastatin attenuates diabetes-induced cardiac sympathetic neuropathy in association with a decrease in oxidative stressAkira Matsuki
Second Department of Internal Medicine, Graduate School of Medicine, University of Toyama, 2630 Sugitani, Toyama 930 0194, Japan
Circ J 74:468-75. 2010..Increased oxidative stress might contribute to diabetic (DM) neuropathy, so the effects of long-term treatment with fluvastatin (FL) on myocardial oxidative stress and cardiac sympathetic neural function were investigated in diabetic rats...
Thoracic aortic plaque enhances hypercoagulability in patients with nonrheumatic atrial fibrillationKeiko Nakagawa
Second Department of Internal Medicine, University of Toyama, Japan
Circ J 71:52-6. 2007..The relationship between plasma hemostatic markers and aortic atherosclerosis was determined in patients with AF or in sinus rhythm (SR)...
Influence of beta-adrenoceptor blockade on the myocardial accumulation of fatty acid tracer and its intracellular metabolism in the heart after ischemia-reperfusion injuryNorio Igarashi
Second Department of Internal Medicine, Faculty of Medicine, University of Toyama, Toyama 930-0194, Japan
Circ J 70:1509-14. 2006..The administration of beta-blockade before ischemia could accelerate the recovery from ischemia-reperfusion injury by inhibiting myocardial FA accumulation before beta-oxidation...
Evaluation of fatty acid metabolism in hearts after ischemia-reperfusion injury using a dual-isotope autoradiographic approach and tissue assay for metabolites of tracerNorio Igarashi
Second Department of Internal Medicine, Toyama Medical and Pharmaceutical University, 2630 Sugitani, Toyama 930-0194, Japan
J Nucl Med 46:160-4. 2005..CONCLUSION: Normal uptake of fatty acid tracer early after reperfusion does not always imply preserved intracellular fatty acid oxidation. However, reduction of tracer uptake might reflect impaired fatty acid oxidation...
Repeated sauna therapy attenuates ventricular remodeling after myocardial infarction in rats by increasing coronary vascularity of noninfarcted myocardiumMitsuo Sobajima
The Second Department of Internal Medicine, Graduate School of Medicine, University of Toyama, Sugitani, Toyama, Japan
Am J Physiol Heart Circ Physiol 301:H548-54. 2011..In conclusion, ST attenuates cardiac remodeling after MI, at least in part, through improving coronary vascularity in the noninfarcted myocardium. Repeated ST might serve as a novel noninvasive therapy for patients with MI...
Combination therapy of candesartan with statin inhibits progression of atherosclerosis more than statin alone in patients with coronary artery diseaseTakayuki Suzuki
Second Department of Internal Medicine, Graduate School of Medicine, University of Toyama, Toyama, Japan
Coron Artery Dis 22:352-8. 2011..However, it remains unclear whether combination therapy of RAS inhibitor with statin could inhibit plaque progression more than statin alone...
Central sympathetic inhibition augments sleep-related ultradian rhythm of parasympathetic tone in patients with chronic heart failureTsugiyoshi Yamazaki
The Second Department of Internal Medicine, Toyama Medical and Pharmaceutical University, Toyama, Japan
Circ J 69:1052-6. 2005..01). CONCLUSIONS: Central sympathoinhibition augments a sleep-related ultradian rhythm of parasympathetic tone, suggesting a potential benefit to autonomic balancing and sleep quality in patients with chronic heart failure...
Transient hypercapnic stress causes exaggerated and prolonged elevation of cardiac and renal interstitial norepinephrine levels in conscious hypertensive ratsMitsuo Sobajima
The Second Dept of Internal Medicine, Graduate School of Medicine, Univ of Toyama, 2630 Sugitani, Toyama 930 0194, Japan
Am J Physiol Heart Circ Physiol 300:H2214-20. 2011..In conclusion, transient hypercapnic stress causes exaggerated and prolonged elevation of iNE levels in the heart as well as in kidneys of SS animals...
Left atrial appendage function and abnormal hypercoagulability in patients with atrial flutterKenji Sakurai
Second Department of Internal Medicine, Toyama Medical and Pharmaceutical University, Sugitani, Toyama, Japan
Chest 124:1670-4. 2003..However, patients with AFL and impaired LAA function are at potentially high risk for thromboembolism and might require anticoagulation...
Effects of anticoagulation intensity on hemostatic markers in patients with non-valvular atrial fibrillationTakashi Nozawa
Second Department of Internal Medicine, Toyama Medical and Pharmaceutical University, Sugitani, Japan
Circ J 68:29-34. 2004..2 and D-dimer in patients with NVAF, and might be favorable in Japanese patients with NVAF in view of the balance between prevention of thromboembolism and the adverse effect by warfarin (ie, bleeding)...
Present status of anticoagulation treatment in Japanese patients with atrial fibrillation: a report from the J-RHYTHM RegistryHirotsugu Atarashi
Department of Internal Medicine, Nippon Medical School Tama Nagayama Hospital, Tokyo, Japan
Circ J 75:1328-33. 2011..Underuse and an inadequate range for the international normalized ratio (INR) for warfarin use are still problems in the management of the patients with atrial fibrillation (AF) in Japan...
Tranilast prevents atrial remodeling and development of atrial fibrillation in a canine model of atrial tachycardia and left ventricular dysfunctionYosuke Nakatani
Second Department of Internal Medicine, University of Toyama, Toyama, Japan
J Am Coll Cardiol 61:582-8. 2013..This study sought to assess the effects of tranilast on atrial remodeling in a canine atrial fibrillation (AF) model...
Nonlinear mixed effects model analysis of the pharmacokinetics of metoprolol in routinely treated Japanese patientsMasato Taguchi
Graduate School of Pharmaceutical Sciences, Toyama Medical and Pharmaceutical University, Sugitani, Japan
Biol Pharm Bull 27:1642-8. 2004....
Drug-induced changes in fibrillation cycle length and organization index can predict chemical cardioversion of long-lasting atrial fibrillation with bepridil alone or in combination with aprindineAkira Fujiki
The Second Department of Internal Medicine, Toyama Medical and Pharmaceutical University, Sugitani, Toyama, Japan
Circ J 68:1139-45. 2004..The aim of this study was to investigate whether drug-induced changes in fibrillation wave characteristics can predict pharmacological conversion of long lasting persistent atrial fibrillation (AF)...
Plaque regression in one artery is not necessarily associated with parallel changes in other vascular bedsTakayuki Suzuki
Second Department of Internal Medicine, Graduate School of Medicine, University of Toyama, 2630 Sugitani, Toyama, 930 0194, Japan
Heart Vessels 26:242-51. 2011..Changes in soft plaques over 2 years paralleled those of VWAs in both coronary arteries. In conclusion, the progression or regression of atherosclerotic plaques is inhomogeneous among the vascular beds of patients with CAD...
Early repolarization in Wolff-Parkinson-White syndrome: prevalence and clinical significanceKoichi Mizumaki
Second Department of Internal Medicine, Graduate School of Medicine, University of Toyama, 2630 Sugitani, Toyama 930 0194, Japan
Europace 13:1195-200. 2011..The present study was designed to evaluate the prevalence and clinical significance of ER in patients with WPW syndrome...
Clinical and transesophageal echocardiographic variables for prediction of thromboembolic events in patients with nonvalvular atrial fibrillation at low-intermediate riskEtsuko Sasahara
Department of Neurology, Toyama University Hospital, Toyama, Japan
J Cardiol 60:484-8. 2012..There is no clear consensus about antithrombotic treatment in atrial fibrillation (AF) patients at low-intermediate thromboembolic risk. Transesophageal echocardiography (TEE) is useful for prediction of thromboembolic events in AF...
Discrepant recovery course of sympathetic neuronal function and beta-adrenoceptors in rat hearts after reperfusion following transient ischemiaBun ichi Kato
The Second Department of Internal Medicine, Toyama Medical and Pharmaceutical University, Toyama, Japan
J Nucl Med 45:1074-80. 2004..Accordingly, this study was performed to investigate serial changes in sympathetic neuronal function and beta-adrenoceptors after transient myocardial ischemia...
Role of central sympathoexcitation in enhanced hypercapnic chemosensitivity in patients with heart failureKunihiro Yamada
Second Department of Internal Medicine, Toyama Medical and Pharmaceutical University, Toyama, Japan
Am Heart J 148:964-70. 2004....
Effects of the angiotensin-converting enzyme inhibitor enalapril on sympathetic neuronal function and beta-adrenergic desensitization in heart failure after myocardial infarction in ratsAkihiko Igawa
2nd Department of Internal Medicine, Toyama Medical and Pharmaceutical University, 2630 Sugitani, Toyama 930-0194, Japan
Jpn Heart J 43:675-88. 2002..These results suggest that the major effect of the ACE inhibitor enalapril in the treatment of heart failure is not due to sympathoinhibition or restoration of beta-adrenergic pathway in this model of heart failure...
Enalapril prevents perpetuation of atrial fibrillation by suppressing atrial fibrosis and over-expression of connexin43 in a canine model of atrial pacing-induced left ventricular dysfunctionMasao Sakabe
Second Department of Internal Medicine, Toyama Medical and Pharmaceutical University, Toyama, Japan
J Cardiovasc Pharmacol 43:851-9. 2004..3 +/- 2.2 versus 1.1 +/- 1.1%, P < 0.05). CONCLUSIONS: Enalapril suppressed atrial pacing-induced AF with tachycardia-mediated cardiomyopathy by suppressing interstitial fibrosis, connexin43 over-expression and conduction delay...
Bradycardia-dependent ECG changes in Brugada syndromeKoichi Mizumaki
The Second Department of Internal Medicine, Faculty of Medicine, University of Toyama, Toyama, Japan
Circ J 70:896-901. 2006..The present study aimed to examine the difference in bradycardia-dependent changes in the ECG of symptomatic and asymptomatic BS patients...
Pharmacokinetics of R- and S-carvedilol in routinely treated Japanese patients with heart failureIsao Horiuchi
Graduate School of Medicine and Pharmaceutical Sciences, University of Toyama, 2630 Sugitani, Toyama 930 0194, Japan
Biol Pharm Bull 31:976-80. 2008..89 and 1.52 l/h/kg, respectively, considerably lower than those estimated previously in healthy subjects. These results suggested that the pharmacokinetics of R- and S-carvedilol was altered significantly by heart failure...
Circadian dynamics of heart rate and physical activity in patients with heart failureTsugiyoshi Yamazaki
The Second Department of Internal Medicine, Toyama Medical and Pharmaceutical University, Toyama, Japan
Clin Exp Hypertens 27:241-9. 2005....
Nonlinear mixed effects model analysis of the pharmacokinetics of routinely administered bepridil in Japanese patients with arrhythmiasMasato Taguchi
Graduate School of Pharmaceutical Sciences, University of Toyama, Sugitani, Japan
Biol Pharm Bull 29:517-21. 2006..On the other hand, no significant effect of the CYP3A5 polymorphism was observed on the pharmacokinetics of bepridil. In addition, aprindine seemed to reduce the oral clearance of bepridil in the patients with the CYP2D6*10 allele...
Ischemic preconditioning accelerates the fatty acid oxidation of rat heartsAkira Matsuki
The Second Department of Internal Medicine, Graduate School of Medicine, University of Toyama, Sugitani, Toyama, Japan
Int J Cardiol 132:405-10. 2009..The purpose of the present study was to clarify the effects of IPC on myocardial accumulation of fatty acid (FA) tracer and its intracellular metabolism...
Vagal activity modulates spontaneous augmentation of ST elevation in the daily life of patients with Brugada syndromeKoichi Mizumaki
Second Department of Internal Medicine, Toyama Medical and Pharmaceutical University, Toyama, Japan
J Cardiovasc Electrophysiol 15:667-73. 2004..The aim of the present study was to elucidate the relation between spontaneous augmentation of ST elevation and changes in autonomic nervous activities in the daily life of patients with Brugada syndrome...
Attenuated respiratory modulation of chemoreflex-mediated sympathoexcitation in patients with chronic heart failureHiroshi Ueno
Second Department of Internal Medicine, Toyama Medical and Pharmaceutical University, Sugitani, Toyama, Japan
J Card Fail 10:236-43. 2004....
Pulse-synchronous sympathetic burst power as a new index of sympathoexcitation in patients with heart failureYoshitaka Oda
Second Dept. of Internal Medicine, Toyama Medical and Pharmaceutical University, 2630 Sugitani, Toyama 930-0194, Japan
Am J Physiol Heart Circ Physiol 287:H1821-7. 2004..001). The sympathetic burst power reflects both burst frequency and amplitude independently of the absolute values and provides a sensitive new index for interindividual comparisons of sympathetic activity in patients with heart failure...
Vagal activity modulates spontaneous augmentation of J-wave elevation in patients with idiopathic ventricular fibrillationKoichi Mizumaki
Second Department of Internal Medicine, Graduate School of Medicine, University of Toyama, Toyama, Japan
Heart Rhythm 9:249-55. 2012..Although J-wave elevation in the inferolateral leads could be related to idiopathic ventricular fibrillation (IVF), little is known about the pathophysiologic characteristics of J-wave elevation in patients with IVF...
Effect of repeated sauna treatment on exercise tolerance and endothelial function in patients with chronic heart failureTakashi Ohori
Second Department of Internal Medicine, Graduate School of Medicine, University of Toyama, Japan
Am J Cardiol 109:100-4. 2012..In conclusion, repeated sauna therapy in patients with chronic heart failure improves exercise tolerance in association with improvement in endothelial function...
Effect of genetic variation of IL-13 on airway remodeling in bronchial asthmaHiromi Nagashima
Division of Pulmonary Medicine, Allergy, and Rheumatology, Department of Internal Medicine, Iwate Medical University School of Medicine, Japan
Allergol Int 60:291-8. 2011..Therefore, we investigated whether Q110/Q110 accelerated the decline in pulmonary function and development of airway remodeling of asthmatic patients in the general population...
Relation of interleukin-6 and C-reactive protein levels to sinus maintenance after pharmacological cardioversion in persistent atrial fibrillationAkira Fujiki
Second Department of Internal Medicine, Faculty of Medicine, University of Toyama, Toyama, Japan
J Cardiovasc Pharmacol 50:264-6. 2007....
Postprandial augmentation of bradycardia-dependent ST elevation in patients with Brugada syndromeKoichi Mizumaki
Second Department of Internal Medicine, Graduate School of Medicine, University of Toyama, Toyama, Japan
J Cardiovasc Electrophysiol 18:839-44. 2007..Recently, glucose-induced insulin secretion was also reported to contribute to fluctuation of ST elevation. Therefore, we assessed the effects of taking meals on the ST-RR relationship in the daily life of patients with Brugada syndrome...
Attitudes of Japanese cardiologists toward anticoagulation for nonvalvular atrial fibrillation and reasons for its underuseHiroshi Inoue
Second Department of Internal Medicine, Toyama Medical and Pharmaceutical University, Toyama, Japan
Circ J 68:417-21. 2004....
Entrainment mapping of dual-loop macroreentry in common atrial flutter: new insights into the atrial flutter circuitAkira Fujiki
Second Department of Internal Medicine, Toyama Medical and Pharmaceutical University, Toyama, Japan
J Cardiovasc Electrophysiol 15:679-85. 2004..The aim of this study was to determine using entrainment mapping whether the reentrant circuit of common type atrial flutter (AFL) is single loop or dual loop...
Saturated glucose uptake capacity and impaired fatty acid oxidation in hypertensive hearts before development of heart failureNozomu Fujii
Second Department of Internal Medicine, Toyama Medical and Pharmaceutical University, Toyama 930-0194, Japan
Am J Physiol Heart Circ Physiol 287:H760-6. 2004..These changes in both glucose and fatty acid metabolism that occur in association with myocardial hypertrophy may have a pathogenic role in the subsequent development of heart failure...
Dynamic changes in the QT-R-R relationship during head-up tilt test in patients with vasovagal syncopeKoichi Mizumaki
Second Department of Internal Medicine, Toyama Medical and Pharmaceutical University, Sugitani, Toyama, Japan
Ann Noninvasive Electrocardiol 10:16-24. 2005..This study aimed to evaluate dynamic response of QT interval to transient changes in R-R interval during vasovagal syncope (VVS) induced by head-up tilt test...
Prothrombotic activity is increased in patients with nonvalvular atrial fibrillation and risk factors for embolismHiroshi Inoue
The Second Department of Internal Medicine, Toyama Medical and Pharmaceutical University, 2630 Sugitani, Toyama 930-0194, Japan
Chest 126:687-92. 2004..CONCLUSIONS: NVAF patients whose conditions were complicated with risk factors for embolism could be in the prothrombotic state. Advanced age is a strong predictor of the prothrombotic state in NVAF patients...
Impact of preinterventional plaque composition and eccentricity on late-acquired incomplete stent apposition after sirolimus-eluting stent implantation: an intravascular ultrasound radiofrequency analysisTakao Sato
The Second Department of Internal Medicine, University of Toyama, Toyama, Japan
Coron Artery Dis 23:432-7. 2012....
Rate control and quality of life in patients with permanent atrial fibrillation: the Quality of Life and Atrial Fibrillation (QOLAF) StudyTakayuki Tsuneda
The Second Department of Internal Medicine, University of Toyama, Japan
Circ J 70:965-70. 2006..CONCLUSION: These results indicate that CAA is preferable to digitalis when monotherapy is selected for short-term improvement of QOL and exercise tolerance in patients with permanent AF...
Brief episode of myocardial ischemia before prolonged ischemia attenuates cardiac sympathetic nerve injuryTeruo Nakadate
The Second Department of Internal Medicine, University of Toyama, School of Medicine, Toyama, Japan
Circ J 70:919-25. 2006..CONCLUSION: A brief episode of ischemia attenuates the sympathetic neural injury caused by subsequent prolonged ischemia and this protective effect is associated with attenuation of NE release during the prolonged ischemia...
Pharmacological cardioversion of persistent atrial fibrillation with and without a history of drug-resistant paroxysmal atrial fibrillationAkira Fujiki
The Second Department of Internal Medicine, Faculty of Medicine, University of Toyama, Japan
Circ J 70:1138-41. 2006..Whether a history of drug-resistant paroxysmal AF (PAF) would affect the outcome of pharmacological conversion of persistent AF by bepridil or in combination with aprindine was evaluated in the present study...
Repolarization dynamics in patients with idiopathic ventricular fibrillation: pharmacological therapy with bepridil and disopyramideMasataka Sugao
The Second Department of Internal Medicine, Toyama Medical and Pharmaceutical University, Toyama, Japan
J Cardiovasc Pharmacol 45:545-9. 2005..Not only J wave and ST elevation but also shorter QT intervals at slower heart rates may represent an electrophysiological substrate for development of VF episodes in these specific IVF patients...
Maintenance of sinus rhythm and recovery of atrial mechanical function after cardioversion with bepridil or in combination with aprindine in long-lasting persistent atrial fibrillationAkira Fujiki
The Second Department of Internal Medicine, Toyama Medical and Pharmaceutical University, Toyama, Japan
Circ J 68:834-9. 2004..Bepridil alone or in combination with aprindine is effective for termination of persistent AF...
The Japan Thrombosis Registry for Atrial Fibrillation, Coronary or Cerebrovascular Events (J-TRACE): a nation-wide, prospective large cohort study; the study designHideki Origasa
Division of Biostatistics and Clinical Epidemiology, University of Toyama School of Medicine and Pharmaceutical Sciences, 2630 Sugitani, Toyama 930 0194, Japan
Circ J 72:991-7. 2008....
Relation of the severity of mitral regurgitation to thromboembolic risk in patients with atrial fibrillationNobuyuki Fukuda
The Second Department of Internal Medicine, University of Toyama, Japan
Int J Cardiol 146:197-201. 2011..Although mitral regurgitation (MR) could be protective against left atrial (LA) blood stasis, the relationship between the severity of MR and thromboembolic risk has not been clarified in patients with AF...
Early administration of fluvastatin, but not at the onset of ischemia or reperfusion, attenuates myocardial ischemia-reperfusion injury through the nitric oxide pathway rather than its antioxidant propertyAkira Matsuki
Second Department of Internal Medicine, Faculty of Medicine, University of Toyama, Sugitani, Toyama, Japan
Circ J 70:1643-9. 2006..CONCLUSIONS: The present results indicate that pretreatment with FV, but not just before ischemia or reperfusion, attenuates IR injury primarily through the nitric oxide pathway, not through its antioxidant property...
Fasudil attenuates myocardial fibrosis in association with inhibition of monocyte/macrophage infiltration in the heart of DOCA/salt hypertensive ratsKazuhiro Ishimaru
Second Department of Internal Medicine, University of Toyama, Toyama, Japan
J Cardiovasc Pharmacol 50:187-94. 2007....
Circadian changes in autonomic function in conscious rats with heart failure: effects of amiodarone on sympathetic surgeTakashi Ohori
The Second Department of Internal Medicine, University of Toyama, 2630 Sugitani, Toyama 930 0194, Japan
Auton Neurosci 159:20-5. 2011..Our experimental system could detect sympathetic surge in conscious rats. Amiodarone suppressed the sympathetic surge, which could explain, at least in part, beneficial effects of amiodarone in patients with CHF...
Junctional rhythm associated with ventriculoatrial block during slow pathway ablation in atypical atrioventricular nodal re-entrant tachycardiaAkira Fujiki
The Second Department of Internal Medicine, Faculty of Medicine, University of Toyama, 2630 Sugitani, Toyama 930 0194, Japan
Europace 10:982-7. 2008..We assessed responses to slow pathway ablation with respect to the appearance of ventriculoatrial (VA) block during junctional rhythm in both typical and atypical types of atrioventricular nodal re-entrant tachycardia (AVNRT)...
Relation of left atrial blood stasis to clinical risk factors in atrial fibrillationKazumasa Ohara
The Second Department of Internal Medicine University of Toyama, Toyama, Sugitani, Toyama, Japan
Int J Cardiol 132:210-5. 2009....
Significant impairment of left atrial function in patients with cardioembolic stroke caused by paroxysmal atrial fibrillationYoshiharu Taguchi
Department of Neurology at Toyama University Hospital, Toyama, Japan
Intern Med 49:1727-32. 2010..The present study examined the differences in echocardiographic findings between patients with CE caused by Paf (the Paf-CE group) and those with non-cardiogenic embolic ischemic stroke (the Non-CE group)...
Role of KLF15 in regulation of hepatic gluconeogenesis and metformin actionMototsugu Takashima
Department of Internal Medicine, Division of Diabetes, Metabolism, and Endocrinology, Kobe University Graduate School of Medicine, Kobe, Japan
Diabetes 59:1608-15. 2010....
Narrow QRS ventricular tachycardia from the posterior mitral annulus without involvement of the His-Purkinje system in a patient with prior inferior myocardial infarctionTamotsu Sakamoto
Second Department of Internal Medicine, Faculty of Medicine, University of Toyama, 2630 Sugitani, Toyama, 930 0194, Japan
Heart Vessels 25:170-3. 2010..Synchronized excitation of both ventricles from the posterior infarcted mitral annulus in this patient may make the QRS width during VT narrow, without involvement of the His-Purkinje system...
Bepridil reverses atrial electrical remodeling and L-type calcium channel downregulation in a canine model of persistent atrial tachycardiaKunihiro Nishida
Second Department of Internal Medicine, Faculty of Medicine, University of Toyama, Toyama, Japan
J Cardiovasc Electrophysiol 18:765-72. 2007..This study tested whether bepridil, a multichannel blocker, would reverse electrical remodeling induced by persistent atrial tachycardia...
Investigation of optimal anticoagulation strategy for stroke prevention in Japanese patients with atrial fibrillation--the J-RHYTHM Registry study designHirotsugu Atarashi
Department of Internal Medicine, Nippon Medical School Tama Nagayama Hospital, Tokyo, Japan
J Cardiol 57:95-9. 2011..In order to prevent stroke in atrial fibrillation (AF) lower international normalized ratios (INR) (1.6-2.6) were recommended for elderly Japanese patients, but only one clinical study supported this recommendation...
Repolarization abnormality in idiopathic ventricular fibrillation: assessment using 24-hour QT-RR and QaT-RR relationshipsAkira Fujiki
Second Department of Internal Medicine, Toyama Medical and Pharmaceutical University, Sugitani, Toyama, Japan
J Cardiovasc Electrophysiol 15:59-63. 2004..We hypothesized that IVF patients have unique repolarization dynamics related to a reduced fast Na current and a prominent transient outward current...
Parametric system identification of arterial baroreflex with random perturbation of blood pressure in normal subjectsKunihiro Yamada
Second Department of Internal Medicine, Toyama Medical and Pharmaceutical University, Toyama, Japan
J Cardiovasc Pharmacol 42:S11-3. 2003..This method would potentially be of great use in helping us gain insights into a closed-loop system of complex and dynamic cardiovascular regulation in humans...
Atorvastatin-induced changes in plasma coenzyme q10 and brain natriuretic peptide in patients with coronary artery diseaseTakayuki Suzuki
Second Department of Internal Medicine, Graduate School of Medicine, University of Toyama, Toyama, Japan
Int Heart J 49:423-33. 2008..However, ATO-induced decreases in CoQ10 might not increase oxidative stress...
Usefulness and safety of bepridil in converting persistent atrial fibrillation to sinus rhythmAkira Fujiki
The Second Department of Internal Medicine, Toyama Medical and Pharmaceutical University, Toyama, Japan
Am J Cardiol 92:472-5. 2003..Bepridil is effective and safe for terminating long-lasting persistent AF...
Double potentials at successful catheter ablation site of left-sided retrograde accessory pathway: mitral isthmus block or conduction through coronary sinus musculatureAkira Fujiki
The Second Department of Internal Medicine, Faculty of Medicine, University of Toyama, 2630 Sugitani, Toyama 930 0194, Japan
Int J Cardiol 117:90-6. 2007..We studied three patients who had orthodromic atrioventricular reentrant tachycardia (AVRT) using left lateral accessory pathway (AP), with difficulty in identifying the earliest site of retrograde atrial activation...
Deficiency of testosterone associates with the substrate of atrial fibrillation in the rat modelTakayuki Tsuneda
The Second Department of Internal Medicine, University of Toyama, Toyama, Japan
J Cardiovasc Electrophysiol 20:1055-60. 2009..Since the prevalence of atrial fibrillation (AF) increases progressively with aging, especially in men, we hypothesized that testosterone might affect the occurrence of AF...
Roles of PDGF receptor-beta in the structure and function of postnatal kidney glomerulusTaizo Nakagawa
Second Department of Internal Medicine, Graduate School of Medicine and Pharmaceutical Sciences for Research, University ofToyama, and Fujikoshi Hospital, 2630, Sugitani, Toyama 930 0194, Japan
Nephrol Dial Transplant 26:458-68. 2011..In contrast to the well-established role of PDGFR-β in the development of kidney glomerulus, its role in adult kidney glomerulus remains controversial...
Impact of sleeping position on central sleep apnea/Cheyne-Stokes respiration in patients with heart failureShuji Joho
Second Department of Internal Medicine, Toyama University Hospital, Toyama, Japan
Sleep Med 11:143-8. 2010..The present study determines the influence of sleeping position on central sleep apnea (CSA) in patients with heart failure (HF)...
The effects of light on sex determination in gametophytes of the fern Ceratopteris richardiiHiroyuki Kamachi
Graduate School of Science and Engineering, University of Toyama, 3190 Gofuku, Toyama 930 8555, Japan
J Plant Res 120:629-34. 2007..The results of experiments with a photomorphogenic mutant also suggested that phytochrome may be involved in the action of red light...
Pharmacological cardioversion of long-lasting atrial fibrillationAkira Fujiki
The Second Department of Internal Medicine, Faculty of Medicine, Toyama University, Toyama, Japan
Circ J 71:A69-74. 2007..Although the precise mechanism of cardioversion by bepridil is not clear, reversal of the remodeled atria may play an important role...
Relation between transverse conduction capability and the anatomy of the crista terminalis in patients with atrial flutter and atrial fibrillation: analysis by intracardiac echocardiographyKoichi Mizumaki
The Second Department of Internal Medicine, Toyama Medical and Pharmaceutical University, Sugitani, Japan
Circ J 66:1113-8. 2002..05). Therefore, the transverse conduction block of CT was more likely to occur in a thick CT. A limited transverse conduction capability of the CT is related to its thickness and might contribute to the development of typical AFL...
[Brugada syndrome occurring in an identical twin: a case report]Masao Sakabe
Second Department of Internal Medicine, Toyama Medical and Pharmaceutical University, Faculty of Medicine, Sugitani 2630, Toyama, Toyama 930-0194
J Cardiol 40:111-5. 2002..Although SCN5A mutation is considered to be associated with Brugada syndrome, the present results suggest that the genetic factor is not the only factor responsible for the pathogenesis of Brugada syndrome...
Angiotensin-converting enzyme-gene polymorphism is associated with collagen I synthesis and QT dispersion in essential hypertensionToru Takahashi
Second Department of Internal Medicine, Toyama Medical and Pharmaceutical University, Toyama, Japan
J Hypertens 21:985-91. 2003..This study tested the hypothesis that abnormal QT dispersion, an indicator of arrhythmogenic risk, is associated with angiotensin-converting enzyme (ACE) gene polymorphism and abnormalities of collagen metabolism...
Proportion and prognosis of healthy people with coved or saddle-back type ST segment elevation in the right precordial leads during 10 years follow-upMasao Sakabe
The Second Department of Internal Medicine, Toyama Medical and Pharmaceutical University, Toyama, Japan
Eur Heart J 24:1488-93. 2003..22% and the risk of fatal arrhythmias was low (1/393.5 subject-years)...
Principles of medical management of atrial fibrillation: rhythm control versus rate controlHiroshi Inoue
Second Department of Internal Medicine, Toyama Medical and Pharmaceutical University, Toyama
Intern Med 43:162-3. 2004
[Dual atrioventricular nodal pathways]Tamotsu Sakamoto
Second Department of Internal Medicine, Graduate School of Medicine, University of Toyama
Nippon Rinsho . 2007
Role of fibrillation cycle length in spontaneous and drug-induced termination of human atrial fibrillationAkira Fujiki
The Second Department of Internal Medicine, Toyama Medical and Pharmaceutical University, Toyama, Japan
Circ J 67:391-5. 2003..Spontaneous termination in the morning may be caused by an abrupt increase in FCL related to vagolytic autonomic balance...
Disparate force-frequency effects of pimobendan and dobutamine in conscious dogs with tachycardia-induced cardiomyopathyShuji Joho
Second Department of Internal Medicine, Toyama Medical and Pharmaceutical University, Toyama, Japan
J Card Fail 8:423-30. 2002..CONCLUSIONS: Mild amplification of FFR observed in pimobendan suggests that this agent could be used more safely than beta-adrenergic agent when heart rate is increased, as seen with exercise...
Cardiac sympathetic denervation modulates the sympathoexcitatory response to acute myocardial ischemiaShuji Joho
Second Department of Internal Medicine, Toyama Medical and Pharmaceutical University, Toyama, Japan
J Am Coll Cardiol 39:436-42. 2002..344%, p < 0.05). CONCLUSIONS: These findings suggest that if the provoked ischemia is not severe, cardiac sympathetic denervation could prevent ischemia-induced sympathoexcitation...
Dose-response effect of flecainide in patients with symptomatic paroxysmal atrial fibrillation and/or flutter monitored with trans-telephonic electrocardiography: a multicenter, placebo-controlled, double-blind trialHirotsugu Atarashi
Department of Internal Medicine, Nippon Medical School, Tama Nagayama Hospital, Japan
Circ J 71:294-300. 2007....
Novel LAMP-2 mutation in a family with Danon disease presenting with hypertrophic cardiomyopathyNobuhiro Dougu
Department of Neurology, Toyama University Hospital, Toyama University Hospital, Toyama, Japan
Circ J 73:376-80. 2009..573delA) in exon 5. The 2 affected sisters were also heterozygous for the same mutation. Functional analyses of this novel LAMP2 mutation are mandatory...
[Electrocardiographic findings]Hidehiko Nagasawa
Second Department of Internal Medicine, Faculty of Medicine, University of Toyama
Nippon Rinsho 64:176-80. 2006
Effects of long-term renal sympathetic denervation on heart failure after myocardial infarction in ratsTakashi Nozawa
Second Department of Internal Medicine, Toyama Medical and Pharmaceutical University, Japan
Heart Vessels 16:51-6. 2002..Increased renal sympathetic nerve activity might contribute to the progression of heart failure after MI...
Propofol induced marked prolongation of QT interval in a patient with acute myocardial infarctionMasao Sakabe
Second Department of Internal Medicine, Toyama Medical and Pharmaceutical University, Sugitani, Toyama, Japan
Anesthesiology 97:265-6. 2002
Investigation of the optimal treatment strategy for atrial fibrillation in JapanTakeshi Yamashita
J-RHYTHM Clinical Trial Center, The Cardiovascular Institute, Tokyo, Japan
Circ J 67:738-41. 2003....
Identification of a novel splice site mutation of the CSPG2 gene in a Japanese family with Wagner syndromeTatsuro Miyamoto
Division of Genetic Information, Institute for Genome Research, The University of Tokushima, Tokushima, Japan
Invest Ophthalmol Vis Sci 46:2726-35. 2005..To investigate the genetic basis and clinical variability of Wagner syndrome, a rare, dominantly inherited vitreoretinopathy...
Double-blind placebo-controlled trial of aprindine and digoxin for the prevention of symptomatic atrial fibrillationHirotsugu Atarashi
First Department of Internal Medicine, Nippon Medical School, Tama City, Tokyo, Japan
Circ J 66:553-6. 2002..In conclusion, neither aprindine nor digoxin had a significant effect on preventing relapse of symptomatic AF; however, recurrence of AF occurred later with aprindine than with placebo or digoxin...
Complex atrial reentrant circuits evaluated by entrainment mapping using a multielectrode basket catheterKunihiro Nishida
The Second Department of Internal Medicine and Toyama Medical and Pharmaceutical University, Japan
Circ J 68:168-71. 2004..Entrainment mapping using a multielectrode basket catheter is very useful for identifying complex atrial reentrant circuits...
Novel mutant phenotypes of a dark-germinating mutant dkg1 in the fern Ceratopteris richardiiHiroyuki Kamachi
Department of Environmental Biology and Chemistry, Faculty of Science, Toyama University, Gofuku, Toyama 930 8555, Japan
J Plant Res 117:163-70. 2004..These results indicate that the DKG1 gene is pleiotropic and is involved in several phytochrome-mediated responses in the gametophyte development of C. richardii...
