Akira Tamura

Summary

Affiliation: Oita University
Country: Japan

Publications

  1. doi request reprint Gender differences in symptoms during 60-second balloon occlusion of the coronary artery
    Akira Tamura
    Internal Medicine 2, Oita University, Yufu, Japan
    Am J Cardiol 111:1751-4. 2013
  2. pmc Prevalence of gastroduodenal ulcers/erosions in patients taking low-dose aspirin with either 15 mg/day of lansoprazole or 40 mg/day of famotidine: the OITA-GF study 2
    Akira Tamura
    Internal Medicine 2, Oita University, Yufu, Japan
    BMC Res Notes 6:116. 2013
  3. doi request reprint Obstructive sleep apnea increases hemoglobin A1c levels regardless of glucose tolerance status
    Akira Tamura
    Internal Medicine 2, Oita University, Yufu, Japan
    Sleep Med 13:1050-5. 2012
  4. doi request reprint A new electrocardiographic criterion to differentiate between Takotsubo cardiomyopathy and anterior wall ST-segment elevation acute myocardial infarction
    Akira Tamura
    Internal Medicine, Faculty of Medicine, Oita University, Yufu, Japan
    Am J Cardiol 108:630-3. 2011
  5. doi request reprint Prevalence and independent factors for gastroduodenal ulcers/erosions in asymptomatic patients taking low-dose aspirin and gastroprotective agents: the OITA-GF study
    A Tamura
    Internal Medicine 2, Oita University, Idaigaoka 1 1, Hasama machi, Yufu 879 5593, Japan
    QJM 104:133-9. 2011
  6. doi request reprint Upright T waves in lead aVR are associated with cardiac death or hospitalization for heart failure in patients with a prior myocardial infarction
    Kumie Torigoe
    Internal Medicine 2, Faculty of Medicine, Oita University, Idaigaoka 1 1, Hasama machi, Yufu, 879 5593, Japan
    Heart Vessels 27:548-52. 2012
  7. doi request reprint The number of leads with fragmented QRS is independently associated with cardiac death or hospitalization for heart failure in patients with prior myocardial infarction
    Kumie Torigoe
    Internal Medicine 2, Oita University, Idaigaoka 1 1, Hasama machi, Yufu 879 5593, Japan
    J Cardiol 59:36-41. 2012
  8. ncbi request reprint Effect of preinfarction angina pectoris on myocardial blush grade after reperfusion in first anterior wall acute myocardial infarction
    Akira Tamura
    Second Department of Internal Medicine, Faculty of Medicine, Oita University, Hasama, Oita, Japan
    Circ J 70:698-702. 2006
  9. ncbi request reprint Carvedilol reduces the severity of central sleep apnea in chronic heart failure
    Akira Tamura
    Internal Medicine 2, Faculty of Medicine, Oita University, Yufu, Japan
    Circ J 73:295-8. 2009
  10. doi request reprint Efficacy of single-bolus administration of sodium bicarbonate to prevent contrast-induced nephropathy in patients with mild renal insufficiency undergoing an elective coronary procedure
    Akira Tamura
    Internal Medicine 2, Oita University, Yufu, Japan
    Am J Cardiol 104:921-5. 2009

Collaborators

Detail Information

Publications38

  1. doi request reprint Gender differences in symptoms during 60-second balloon occlusion of the coronary artery
    Akira Tamura
    Internal Medicine 2, Oita University, Yufu, Japan
    Am J Cardiol 111:1751-4. 2013
    ..9, p = 0.02). In conclusion, non-chest pain symptoms during the 60-second balloon occlusion of the coronary artery were more common in women than in men, supporting the presence of the gender difference in myocardial ischemic symptoms...
  2. pmc Prevalence of gastroduodenal ulcers/erosions in patients taking low-dose aspirin with either 15 mg/day of lansoprazole or 40 mg/day of famotidine: the OITA-GF study 2
    Akira Tamura
    Internal Medicine 2, Oita University, Yufu, Japan
    BMC Res Notes 6:116. 2013
    ..We conducted a cross-sectional study to compare the prevalence of gastroduodenal ulcers or erosions in patients taking LDA with either 40 mg/day of famotidine or 15 mg/day of lansoprazole for at least three months...
  3. doi request reprint Obstructive sleep apnea increases hemoglobin A1c levels regardless of glucose tolerance status
    Akira Tamura
    Internal Medicine 2, Oita University, Yufu, Japan
    Sleep Med 13:1050-5. 2012
    ..We sought to clarify the association between the severity of obstructive sleep apnea (OSA) and hemoglobin A1c (HbA1c) levels...
  4. doi request reprint A new electrocardiographic criterion to differentiate between Takotsubo cardiomyopathy and anterior wall ST-segment elevation acute myocardial infarction
    Akira Tamura
    Internal Medicine, Faculty of Medicine, Oita University, Yufu, Japan
    Am J Cardiol 108:630-3. 2011
    ..In conclusion, using the magnitude of ST-segment elevation measured at the J point, a new electrocardiographic criterion is proposed with an acceptable ability to differentiate TC from AA-STEMI...
  5. doi request reprint Prevalence and independent factors for gastroduodenal ulcers/erosions in asymptomatic patients taking low-dose aspirin and gastroprotective agents: the OITA-GF study
    A Tamura
    Internal Medicine 2, Oita University, Idaigaoka 1 1, Hasama machi, Yufu 879 5593, Japan
    QJM 104:133-9. 2011
    ....
  6. doi request reprint Upright T waves in lead aVR are associated with cardiac death or hospitalization for heart failure in patients with a prior myocardial infarction
    Kumie Torigoe
    Internal Medicine 2, Faculty of Medicine, Oita University, Idaigaoka 1 1, Hasama machi, Yufu, 879 5593, Japan
    Heart Vessels 27:548-52. 2012
    ..The analysis of T-wave amplitude in lead aVR provides useful prognostic information in patients with a prior MI...
  7. doi request reprint The number of leads with fragmented QRS is independently associated with cardiac death or hospitalization for heart failure in patients with prior myocardial infarction
    Kumie Torigoe
    Internal Medicine 2, Oita University, Idaigaoka 1 1, Hasama machi, Yufu 879 5593, Japan
    J Cardiol 59:36-41. 2012
    ..The objective of the study was to clarify the prognostic significance of the number of leads with fQRS in prior myocardial infarction (MI)...
  8. ncbi request reprint Effect of preinfarction angina pectoris on myocardial blush grade after reperfusion in first anterior wall acute myocardial infarction
    Akira Tamura
    Second Department of Internal Medicine, Faculty of Medicine, Oita University, Hasama, Oita, Japan
    Circ J 70:698-702. 2006
    ..The aim of the present study was to clarify the effect of preinfarction angina pectoris (PIA) on myocardial blush grade (MBG), a simple marker of myocardial tissue-level reperfusion, in acute myocardial infarction (AMI)...
  9. ncbi request reprint Carvedilol reduces the severity of central sleep apnea in chronic heart failure
    Akira Tamura
    Internal Medicine 2, Faculty of Medicine, Oita University, Yufu, Japan
    Circ J 73:295-8. 2009
    ..1+/-1.5 to 3.1+/-3.4, P=0.04). Conclusion This preliminary study shows that treatment with carvedilol reduces the severity of CSA in patients with CHF, but that episodes of obstructive sleep apnea sometimes increase after the treatment...
  10. doi request reprint Efficacy of single-bolus administration of sodium bicarbonate to prevent contrast-induced nephropathy in patients with mild renal insufficiency undergoing an elective coronary procedure
    Akira Tamura
    Internal Medicine 2, Oita University, Yufu, Japan
    Am J Cardiol 104:921-5. 2009
    ....
  11. ncbi request reprint Circadian variation in symptomatic subacute stent thrombosis after bare metal coronary stent implantation
    Akira Tamura
    Second Department of Internal Medicine, Oita University, Oita, Japan
    Am J Cardiol 97:195-7. 2006
    ..9%) developed symptomatic SAT. Results of the present study indicate that onset of symptomatic SAT is more frequent between 6:00 A.M. and 12:00 P.M. than at any other measured 6-hour period during the day...
  12. doi request reprint Washout rate of cardiac iodine-123 metaiodobenzylguanidine is high in chronic heart failure patients with central sleep apnea
    Akira Tamura
    Internal Medicine 2, Faculty of Medicine, Oita University, Yufu, Japan
    J Card Fail 16:728-33. 2010
    ....
  13. doi request reprint Association between coronary spastic angina pectoris and obstructive sleep apnea
    Akira Tamura
    Internal Medicine 2, Faculty of Medicine, Oita University, Idaigaoka 1 1, Hasama machi, Yufu 879 5593, Japan
    J Cardiol 56:240-4. 2010
    ..However, the association between coronary spastic angina pectoris (CSA) and OSA has not been investigated. Accordingly, we examined this association...
  14. doi request reprint Relationship between the severity of obstructive sleep apnea and impaired glucose metabolism in patients with obstructive sleep apnea
    Akira Tamura
    Second Department of Internal Medicine, Faculty of Medicine, Oita University, Yufu, Japan
    Respir Med 102:1412-6. 2008
    ..Accordingly, we sought to clarify this relationship in Japanese patients with OSA...
  15. doi request reprint ST-segment deviation in lead aVR on admission is not associated with left ventricular function at predischarge in first anterior wall ST-segment elevation acute myocardial infarction
    Yukie Goto
    Internal Medicine, Faculty of Medicine, Oita University, Yufu, Japan
    Am J Cardiol 108:625-9. 2011
    ..In conclusion, ST-segment deviation in lead aVR on admission is not associated with LV function at predischarge in first anterior wall acute ST-segment elevation myocardial infarction...
  16. ncbi request reprint Incidental detection of cancers and other non-cardiac abnormalities on coronary multislice computed tomography
    Yoshiyuki Kawano
    Second Department of Internal Medicine, Oita University, Yufu, Japan
    Am J Cardiol 99:1608-9. 2007
    ....
  17. ncbi request reprint Comparison of sarpogrelate and ticlopidine in bare metal coronary stent implantation
    Akira Tamura
    Second Department of Internal Medicine, Oita University, Idaigaoka 1 1, Hasama machi, Yufu, Oita 879 5593, Japan
    Int J Cardiol 126:79-83. 2008
    ..Accordingly, we sought to clarify whether treatment with sarpogrelate is clinically useful in bare metal coronary stenting...
  18. doi request reprint Determinants of ST-segment level in lead aVR in anterior wall acute myocardial infarction with ST-segment elevation
    Munenori Kotoku
    Internal Medicine 2, Oita University, Yufu, Japan
    J Electrocardiol 42:112-7. 2009
    ..This study aimed to clarify the determinants of ST-segment level in lead aVR in anterior wall acute myocardial infarction (AAMI)...
  19. doi request reprint Significance of a prominent Q wave in lead negative aVR (-aVR) in acute anterior myocardial infarction
    Munenori Kotoku
    Internal Medicine 2, Oita University, Idaigaoka 1 1, Yufu, Japan
    J Electrocardiol 43:215-9. 2010
    ..The aim of this study was to clarify the significance of a Q wave in lead negative aVR (-aVR) in anterior wall acute myocardial infarction (AMI)...
  20. doi request reprint Electrocardiographic differentiation between occlusion of the first diagonal branch and occlusion of the left anterior descending coronary artery
    Munenori Kotoku
    Internal Medicine 2, Oita University, Yufu 879 5593, Japan
    J Electrocardiol 42:440-4. 2009
    ....
  21. ncbi request reprint Sinus arrest caused by occlusion of the sinus node artery during percutaneous coronary intervention for lesions of the proximal right coronary artery
    Munenori Kotoku
    Second Department of Internal Medicine, Oita University, Hasama machi, Yufu, Japan
    Heart Vessels 22:389-92. 2007
    ..Even though sinus arrest is caused by the occlusion of the SN artery, this bradyarrhythmia seems to disappear in the short term...
  22. doi request reprint Plasma homocysteine level is unrelated to long-term cardiovascular events in patients with previous percutaneous coronary intervention
    Shigeru Naono
    Internal Medicine 2, Oita University, Idaigaoka 1 1, Hasama machi, Yufu 879 5593, Japan
    J Cardiol 54:21-8. 2009
    ....
  23. ncbi request reprint Significance of neutrophil counts after reperfusion therapy in patients with a first anterior wall acute myocardial infarction
    Kazuhiro Shinozaki
    Second Department of Internal Medicine, Oita University, Japan
    Circ J 69:526-9. 2005
    ..However, the significance of the neutrophil count after reperfusion therapy has not been elucidated...
  24. ncbi request reprint Relationship between beta-blocker treatment and the severity of central sleep apnea in chronic heart failure
    Akira Tamura
    Second Department of Internal Medicine, Faculty of Medicine, Oita University, Hasama, Yufu, Oita 879 5593, Japan
    Chest 131:130-5. 2007
    ..We sought to examine the relationship between use of beta-blockers and the severity of central sleep apnea (CSA) in patients with chronic heart failure...
  25. doi request reprint Abnormal P-wave terminal force in lead V1 is associated with cardiac death or hospitalization for heart failure in prior myocardial infarction
    Gang Liu
    Internal Medicine 2, Faculty of Medicine, Oita University, Idaigaoka 1 1, Hasama machi, Yufu, 879 5593, Japan
    Heart Vessels 28:690-5. 2013
    ..The analysis of P waves in lead V1 should provide useful prognostic information in patients with prior MI. ..
  26. doi request reprint Associations of positive T wave in lead aVR with hemodynamic, coronary, and left ventricular angiographic findings in anterior wall old myocardial infarction
    Kazuhiro Shinozaki
    Internal Medicine 2, Oita University, Yufu, Japan
    J Cardiol 57:160-4. 2011
    ..Accordingly, in the present study, we sought to clarify the associations of the positive T wave in lead aVR with hemodynamic, coronary angiographic, and left ventriculographic findings in anterior wall old MI...
  27. doi request reprint Influence of the severity of obstructive sleep apnea on heart rate
    Yoshiyuki Kawano
    Internal Medicine 2, Faculty of Medicine, Oita University, Idaigaoka 1 1, Hasama machi, Yufu 879 5593, Japan
    J Cardiol 56:27-34. 2010
    ..We sought to clarify the influence of the severity of obstructive sleep apnea (OSA) on heart rate (HR) in patients with OSA...
  28. doi request reprint Association between the severity of obstructive sleep apnea and the ratio of low-density lipoprotein cholesterol to high-density lipoprotein cholesterol
    Yoshiyuki Kawano
    Internal Medicine 2, Faculty of Medicine, Oita University, Yufu 879 5593, Japan
    Metabolism 61:186-92. 2012
    ..These findings suggest that LDL-C/HDL-C increases in proportion to the severity of OSA, which may contribute partly to an increased risk for cardiovascular events in OSA patients...
  29. ncbi request reprint Nitric oxide synthase and NMDA receptor expressions in cavernoma tissues with epileptogenesis
    T Kamida
    Department of Neurosurgery, Oita University Faculty of Medicine, 1 1 Idaigaoka, Hasama machi, Oita, Japan
    Acta Neurol Scand 116:368-73. 2007
    ..To investigate the contribution of nitric oxide (NO) and the glutamate systems to epileptogenicity of cavernoma (CA)...
  30. doi request reprint Neuroprotective effects of edaravone, a free radical scavenger, on the rat hippocampus after pilocarpine-induced status epilepticus
    T Kamida
    Department of Neurosurgery, Oita University, Faculty of Medicine, 1 1 Idaigaoka, Hasama machi, Oita 879 5593, Japan
    Seizure 18:71-5. 2009
    ..The neuroprotective effects of edaravone on pilocarpine-induced seizures in rats were investigated...
  31. ncbi request reprint The relationship between paired pulse magnetic MEP and surgical prognosis in patients with intractable epilepsy
    T Kamida
    Department of Neurosurgery, Oita University Faculty of Medicine, 1 1 Idaigaoka, Hasama machi, Oita 879 5593, Japan
    Seizure 16:113-9. 2007
    ..To assess whether paired pulse magnetic motor evoked potential (MEP) can predict surgical prognosis in patients with intractable epilepsy...
  32. doi request reprint Severe obstructive sleep apnoea is independently associated with pulmonary artery dilatation
    Yoshiyuki Kawano
    Internal Medicine 2, Oita University, Yufu, Japan
    Respirology 18:1148-51. 2013
    ..To test this hypothesis, we examined the association between OSA severity and pulmonary artery dilatation...
  33. ncbi request reprint Multislice computed tomographic findings of a pseudoaneurysm of a saphenous vein graft
    Shigeru Naono
    Second Department of Internal Medicine, Oita University, Oita, Japan
    Intern Med 46:631-2. 2007
  34. ncbi request reprint Klippel-Feil syndrome accompanied by pulmonary artery sling
    Yoshiyuki Kawano
    The Second Department of Internal Medicine, Faculty of Medicine, Oita University, Yufu, Japan
    Intern Med 47:327. 2008
  35. doi request reprint Association between obstructive sleep apnea and premature supraventricular contractions
    Yoshiyuki Kawano
    Internal Medicine 2, Faculty of Medicine, Oita University, Yufu, Japan
    J Cardiol 63:69-72. 2014
    ..The exact association between obstructive sleep apnea (OSA) and premature supraventricular contractions (PSVCs) has not been established...
  36. ncbi request reprint Circulating tenascin-C levels in patients with idiopathic dilated cardiomyopathy
    Nobuko Aso
    Second Department of Internal Medicine, Oita University, Oita, Japan
    Am J Cardiol 94:1468-70. 2004
    ....
  37. ncbi request reprint [Coronary artery disease and H. pylori eradication]
    Akira Tamura
    Department of Infectious Diseases, Faculty of Medicine, Oita University
    Nihon Rinsho 63:312-5. 2005
  38. ncbi request reprint Association of peripheral mononuclear cells containing Chlamydia pneumoniae DNA with acute coronary syndrome and stable coronary artery disease in Japanese subjects
    Nobuko Aso
    Second Department of Internal Medicine, Faculty of Medicine, Oita University, Oita, Japan
    Clin Infect Dis 39:366-72. 2004
    ..pneumoniae DNA in PBMCs in patients with ACS or stable CAD was comparable to that in control populations. Furthermore, the presence of circulating C. pneumoniae was strongly associated with seasonal variability...