カテーテルアブレーション治療は通常、X線透視装置を用いて行われますが、透視装置の使用により患者さんや医療従事者に被曝リスクが生じます。当院では、「Near Zero Fluoroscopy」Ablation(非透視下のアブレーション)を採用し、被曝リスクを大幅に低減しています。この手法では、3Dマッピング装置と心腔内超音波を併用し、透視装置の使用をほぼ必要としない治療が可能です。
Apple Watchなどのスマートウォッチで不整脈(主には心房細動)と診断された方、動悸などの自覚症状がある時の心電図記録をお持ちの方、あるいは健康診断で心電図異常を指摘された方が、心電図記録の画像ファイル(PDF, JPEG, PNG)を上記相談フォームから送ると、医師が無料で心電図読影をして医療機関を受診すべきかどうか、をメールでアドバイス致します。
Repeat drug-eluting stent implantation for in-stent restenosis: first- or second-generation stent. Yamashita K, Ochiai M, Yakushiji T, Ebara S, Okabe T, Yamamoto MH, Saito S, Hoshimoto K, Isomura N, Araki H, Obara C. J Invasive Cardiol. 2012 Nov;24(11):574-8.
2014年
Local injection of tissue-plasminogen activator using a pulse spray catheter as a treatment option for proximal deep vein thrombosis: A case report. Okabe T, Araki H, Yakushiji T, Ebara S, Yamashita K, Yamamoto MH, Saito S, Hoshimoto K, Amemiya K, Isomura N, Obara C, Ochiai M. J Cardiol Cases. 2014 Jun 27;10(5):163-166. doi: 10.1016/j.jccase.2014.05.011. eCollection 2014 Nov.
Association between increased epicardial adipose tissue volume and coronary plaque composition. Yamashita K, Yamamoto MH, Ebara S, Okabe T, Saito S, Hoshimoto K, Yakushiji T, Isomura N, Araki H, Obara C, Ochiai M. Heart Vessels. 2014 Sep;29(5):569-77. doi: 10.1007/s00380-013-0398-y. Epub 2013 Aug 28.
2015年
Long-term outcomes of catheter ablation of ventricular tachycardia in patients with structural heart disease. Goya M, Fukunaga M, Hiroshima K, Hayashi K, Makihara Y, Nagashima M, An Y, Ohe S, Yamashita K, Ando K, Yokoi H, Iwabuchi M, Katayama K, Ito T, Niu H. J Arrhythm. 2015 Feb;31(1):22-8. doi: 10.1016/j.joa.2014.06.001. Epub 2014 Jul 3.
The Efficacy of Tolvaptan in Congestive Heart Failure Patients with and Without Hypoalbuminemia: A Pilot Study. Okabe T, Yakushiji T, Igawa W, Ono M, Kido T, Ebara S, Yamashita K, Yamamoto MH, Saito S, Hoshimoto K, Amemiya K, Isomura N, Araki H, Ochiai M. Cardiovasc Ther. 2015 Oct;33(5):275-81. doi: 10.1111/1755-5922.12142.
Importance of nonpulmonary vein foci in catheter ablation for paroxysmal atrial fibrillation. Hayashi K, An Y, Nagashima M, Hiroshima K, Ohe M, Makihara Y, Yamashita K, Yamazato S, Fukunaga M, Sonoda K, Ando K, Goya M. Heart Rhythm. 2015 Sep;12(9):1918-24. doi: 10.1016/j.hrthm.2015.05.003. Epub 2015 May 8.
2016年
Steroid pulse therapy was effective for cardiac sarcoidosis with ventricular tachycardia and systolic dysfunction. Okabe T, Yakushiji T, Hiroe M, Oyama Y, Igawa W, Ono M, Kido T, Ebara S, Yamashita K, Yamamoto MH, Saito S, Hoshimoto K, Kisaki A, Isomura N, Araki H, Ochiai M. ESC Heart Fail. 2016 Dec;3(4):288-292. doi: 10.1002/ehf2.12095. Epub 2016 Jul 4.
Lead extractions in patients with cardiac implantable electronic device infections: Single center experience. Goya M, Nagashima M, Hiroshima K, Hayashi K, Makihara Y, Fukunaga M, An Y, Ohe M, Yamazato S, Sonoda K, Yamashita K, Katayama K, Ito T, Niu H, Ando K, Yokoi H, Iwabuchi M. J Arrhythm. 2016 Aug;32(4):308-12. doi: 10.1016/j.joa.2016.02.004. Epub 2016 Mar 22.
Impact of Catheter Ablation for Paroxysmal Atrial Fibrillation in Patients With Sick Sinus Syndrome – Important Role of Non-Pulmonary Vein Foci. Hayashi K, Fukunaga M, Yamaji K, An Y, Nagashima M, Hiroshima K, Ohe M, Makihara Y, Yamashita K, Ando K, Iwabuchi M, Goya M. Circ J. 2016;80(4):887-94. doi: 10.1253/circj.CJ-15-1384. Epub 2016 Mar 2.
2017年
Serial 3-Vessel Optical Coherence Tomography and Intravascular Ultrasound Analysis of Changing Morphologies Associated With Lesion Progression in Patients With Stable Angina Pectoris. Yamamoto MH, Yamashita K, Matsumura M, Fujino A, Ishida M, Ebara S, Okabe T, Saito S, Hoshimoto K, Amemiya K, Yakushiji T, Isomura N, Araki H, Obara C, McAndrew T, Ochiai M, Mintz GS, Maehara A. Circ Cardiovasc Imaging. 2017 Sep;10(9):e006347. doi: 10.1161/CIRCIMAGING.117.006347.
Relationship between worsening renal function and long-term cardiovascular mortality in heart failure patients. Okabe T, Yakushiji T, Kido T, Oyama Y, Igawa W, Ono M, Ebara S, Yamashita K, Yamamoto MH, Saito S, Amemiya K, Isomura N, Araki H, Ochiai M. Int J Cardiol. 2017 Mar 1;230:47-52. doi: 10.1016/j.ijcard.2016.12.101. Epub 2016 Dec 21.
Morphological assessment of chronic total occlusions by combined coronary computed tomographic angiography and intravascular ultrasound imaging. Yamamoto MH, Maehara A, Poon M, Guo J, Yamashita K, Yakushiji T, Saito S, Koyama K, Mintz GS, Ochiai M. Eur Heart J Cardiovasc Imaging. 2017 Mar 1;18(3):315-322. doi: 10.1093/ehjci/jew077.
2018年
Association of Epicardial Adipose Tissue Volume and Total Coronary Plaque Burden in Patients with Coronary Artery Disease. Yamashita K, Yamamoto MH, Igawa W, Ono M, Kido T, Ebara S, Okabe T, Saito S, Amemiya K, Isomura N, Araki H, Ochiai M. Int Heart J. 2018 Nov 28;59(6):1219-1226. doi: 10.1536/ihj.17-709. Epub 2018 Oct 25.
Serum zinc concentration in patients with acute myocardial infarction in percutaneous coronary intervention era. Okabe T, Yakushiji T, Shimazu S, Saito J, Kimura T, Oyama Y, Igawa W, Ono M, Kido T, Ebara S, Yamashita K, Yamamoto MH, Amemiya K, Isomura N, Ochiai M. PLoS One. 2018 Aug 30;13(8):e0203074. doi: 10.1371/journal.pone.0203074. eCollection 2018.
Clinical Risk Factors for Postoperative Atrial Fibrillation among Patients after Cardiac Surgery. Yamashita K, Hu N, Ranjan R, Selzman CH, Dosdall DJ. Thorac Cardiovasc Surg. 2019 Mar;67(2):107-116. doi: 10.1055/s-0038-1667065. Epub 2018 Aug 2.
Distance between the left atrium and the vertebral body is predictive of esophageal movement in serial MR imaging. Yamashita K, Quang C, Schroeder JD, DiBella E, Han F, MacLeod R, Dosdall DJ, Ranjan R. J Interv Card Electrophysiol. 2018 Jul;52(2):149-156. doi: 10.1007/s10840-018-0348-9. Epub 2018 Mar 12.
The association between high-dose loop diuretic use at discharge and cardiovascular mortality in patients with heart failure. Okabe T, Yakushiji T, Kido T, Oyama Y, Igawa W, Ono M, Ebara S, Yamashita K, Yamamoto MH, Saito S, Amemiya K, Isomura N, Ochiai M. ESC Heart Fail. 2018 Feb;5(1):87-94. doi: 10.1002/ehf2.12221. Epub 2017 Oct 2.
2019年
The Effective Contact Force to Minimize Edema Relative to Chronic Lesion Formation During Radiofrequency Ablation in Ventricular Wall. Yamashita K, Ghafoori E, Silvernagel J, Ashton J, J Dosdall D, MacLeod R, Ranjan R. Int Heart J. 2019 Nov 30;60(6):1407-1414. doi: 10.1536/ihj.19-128. Epub 2019 Nov 15.
Changes in atrial electrophysiological and structural substrate and their relationship to histology in a long-term chronic canine atrial fibrillation model. Yamashita K, Silvernagel J, Kwan E, Kamali R, Ghafoori E, MacLeod R, Dosdall DJ, Ranjan R. Pacing Clin Electrophysiol. 2019 Jul;42(7):930-936. doi: 10.1111/pace.13730. Epub 2019 Jun 4.
Safety and Efficacy of Tolvaptan for the Prevention of Contrast-Induced Acute Kidney Injury in Patients with Heart Failure and Chronic Kidney Disease. Yamashita K, Igawa W, Ono M, Kido T, Okabe T, Yamamoto MH, Amemiya K, Isomura N, Araki H, Ochiai M. Kidney Dis (Basel). 2019 Mar;5(2):100-106. doi: 10.1159/000494724. Epub 2018 Nov 29.
Effect of cutting balloon after rotational atherectomy in severely calcified coronary artery lesions as assessed by optical coherence tomography.
Amemiya K, Yamamoto MH, Maehara A, Oyama Y, Igawa W, Ono M, Kido T, Ebara S, Okabe T, Yamashita K, Hoshimoto K, Saito S, Yakushiji T, Isomura N, Araki H, Mintz GS, Ochiai M.
Catheter Cardiovasc Interv. 2019 Dec 1;94(7):936-944. doi: 10.1002/ccd.28278. Epub 2019 Apr 11.
Impact of recanalization of chronic total occlusion on left ventricular electrical remodeling. Yamashita K, Igawa W, Ono M, Kido T, Okabe T, Isomura N, Araki H, Ochiai M. Pacing Clin Electrophysiol. 2019 Jun;42(6):712-721. doi: 10.1111/pace.13691. Epub 2019 Apr 25.
Imaging for Risk Stratification in Atrial Fibrillation with Heart Failure. Yamashita K, Ranjan R. Cardiol Clin. 2019 May;37(2):147-156. doi: 10.1016/j.ccl.2019.01.007. Epub 2019 Feb 22.
Preoperative imaging in search of ventricular tachycardia circuit. Yamashita K, Ranjan R. Heart Rhythm. 2019 Apr;16(4):595-596. doi: 10.1016/j.hrthm.2018.11.012. Epub 2018 Nov 14.
Characterization of edema after cryo and radiofrequency ablations based on serial magnetic resonance imaging. Yamashita K, Kholmovski E, Ghafoori E, Kamali R, Kwan E, Lichter J, MacLeod R, Dosdall DJ, Ranjan R. J Cardiovasc Electrophysiol. 2019 Feb;30(2):255-262. doi: 10.1111/jce.13785. Epub 2018 Nov 21.
2020年
Poor prognosis of heart failure patients with in-hospital worsening renal function and elevated BNP at discharge. Okabe T, Yakushiji T, Kido T, Kimura T, Asukai Y, Shimazu S, Saito J, Oyama Y, Igawa W, Ono M, Ebara S, Yamashita K, Yamamoto MH, Amemiya K, Isomura N, Ochiai M. ESC Heart Fail. 2020 Oct;7(5):2912-2921. doi: 10.1002/ehf2.12901. Epub 2020 Jul 9.
Chronic stent recoil in severely calcified coronary artery lesions. A serial optical coherence tomography study. Amemiya K, Maehara A, Yamamoto MH, Oyama Y, Igawa W, Ono M, Kido T, Ebara S, Okabe T, Yamashita K, Isomura N, Mintz GS, Ochiai M. Int J Cardiovasc Imaging.2020 Sep;36(9):1617-1626. doi: 10.1007/s10554-020-01876-8. Epub 2020 May 27.
Blanking period after radiofrequency ablation for atrial fibrillation guided by ablation lesion maturation based on serial MR imaging. Yamashita K, Kwan E, Kamali R, Ghafoori E, Steinberg BA, MacLeod RS, Dosdall DJ, Ranjan Rv J Cardiovasc Electrophysiol. 2020 Feb;31(2):450-456. doi: 10.1111/jce.14340. Epub 2020 Jan 21.
Effective Ablation Settings That Predict Chronic Scar After Left Atrial Ablation. Yamashita K, Kamali R, Kwan E, MacLeod RS, Dosdall DJ, Ranjan R. JACC Clin Electrophysiol. 2020 Feb;6(2):143-152. doi: 10.1016/j.jacep.2019.10.001. Epub 2019 Nov 27.
The impact of worsening renal function with elevated B-type natriuretic peptide at discharge on 1-year prognosis in heart failure patients. Okabe T, Kido T, Kimura T, Yakushiji T, Asukai Y, Shimazu S, Saito J, Oyama Y, Igawa W, Ono M, Ebara S, Yamashita K, Yamamoto MH, Amemiya K, Isomura N, Ochiai M. Sci Rep. 2020 Mar 10;10(1):4451. doi: 10.1038/s41598-020-61404-5.
The impact of worsening renal function with elevated B-type natriuretic peptide at discharge on 1-year prognosis in heart failure patients. Okabe T, Kido T, Kimura T, Yakushiji T, Asukai Y, Shimazu S, Saito J, Oyama Y, Igawa W, Ono M, Ebara S, Yamashita K, Yamamoto MH, Amemiya K, Isomura N, Ochiai M. Sci Rep. 2020 Mar 10;10(1):4451. doi: 10.1038/s41598-020-61404-5.
Effective Ablation Settings That Predict Chronic Scar After Left Atrial Ablation. Yamashita K, Kamali R, Kwan E, MacLeod RS, Dosdall DJ, Ranjan R. JACC Clin Electrophysiol. 2020 Feb;6(2):143-152. doi: 10.1016/j.jacep.2019.10.001. Epub 2019 Nov 27.
Blanking period after radiofrequency ablation for atrial fibrillation guided by ablation lesion maturation based on serial MR imaging. Yamashita K, Kwan E, Kamali R, Ghafoori E, Steinberg BA, MacLeod RS, Dosdall DJ, Ranjan R. J Cardiovasc Electrophysiol. 2020 Feb;31(2):450-456. doi: 10.1111/jce.14340. Epub 2020 Jan 21.
Grid-mapping catheters versus PentaRay catheters for left atrial mapping on ensite precision mapping system. Saito J, Yamashita K, Numajiri T, Gibo Y, Usumoto S, Narui S, Fujioka T, Asukai Y, Igawa W, Ono M, Ebara S, Okabe T, Isomura N, Ochiai M. J Cardiovasc Electrophysiol.2022 Jul;33(7):1405-1411. doi: 10.1111/jce.15498. Epub 2022 Apr 28.
2023年
A novel dual-chamber reference technique to detect premature atrial complexes with non-pulmonary vein foci. Furuya K, Kumazawa D, Mizuno Y, Onodera K, Nomura T, Yamashita K.
HeartRhythm Case Rep. 2023 Feb 8;9(5):287-290. doi: 10.1016/j.hrcr.2023.01.014. eCollection 2023 May.
Novel atrial pace-mapping technique based on dual-chamber electrograms to detect non-pulmonary vein foci. Yamashita K, Furuya K, Kumazawa D, Mizuno Y, Onodera K, Nomura T. HeartRhythm Case Rep. 2023 Jul 24;9(10):723-727. doi: 10.1016/j.hrcr.2023.07.014. eCollection 2023 Oct.
2024年
Optimal treatment of biatrial tachycardia diagnosed by one-chamber mapping within an ultrahigh-resolution mapping system. Mizuno Y, Kumazawa D, Maeda M, Onodera K, Nomura T, Yamashita K. J Cardiol Cases. 2023 Sep 26;29(1):19-22. doi: 10.1016/j.jccase.2023.09.001. eCollection 2024 Jan.
The effect of ablation settings on lesion characteristics with DiamondTemp ablation system: An ex vivo experiment. Nomura T, Maeda M, Kumazawa D, Mizuno Y, Onodera K, Toyoda S, Yamashita K. J Arrhythm. 2023 Dec 6;40(1):109-117. doi: 10.1002/joa3.12970. eCollection 2024 Feb.
Novel simultaneous mapping technique to treat multifocal atrial tachycardia. Yamashita K, Maeda M, Kumazawa D, Mizuno Y, Onodera K, Nomura T. J Cardiol Cases. 2023 Nov 23;29(2):67-72. doi: 10.1016/j.jccase.2023.10.010. eCollection 2024 Feb
Intracardiac electrogram-based atrial pace mapping for detecting the earliest activation site in atrial arrhythmias. Yamashita K, Furuya K, Sato Y, Kinebuchi Y, Funayama K, Masano T, Maeda M, Kumazawa D, Mizuno Y, Onodera K, Nomura T. Heart Rhythm. 2024 Aug;21(8):1400-1408. doi: 10.1016/j.hrthm.2024.02.028. Epub 2024 Feb 17.
Multicenter prospective observational study to clarify the current status and clinical outcome in Japanese patients who have an indication for implantable cardioverter defibrillator (ICD) or wearable cardioverter defibrillator (WCD) (TRANSITION JAPAN-ICD/WCD study): Rationale and design of a prospective, multicenter, observational, comparative study.
Ikeya Y, Okumura Y, Kogawa R, Nagashima K, Nakai T, Yokoyama K, Iso K, Kato T, Tsuda T, Tachibana E, Hayashida S, Fukaya H, Ishizue N, Hayashi H, Kuroda S, Sonoda K, Nakahara S, Hori Y, Harada M, Murakami M, Iwasaki YK, Aizawa Y, Shimizu W, Fukamizu S, Takami M, Kusano K, Ishibashi K, Harada T, Nakajima I, Tabuchi H, Kunimoto M, Shoda M, Higuchi S, Morishima I, Kanzaki Y, Kato R, Ikeda Y, Makimoto H, Kabutoya T, Kario K, Arimoto T, Ninomiya Y, Yoshimoto I, Sasaki S, Kondo Y, Chiba T, Yamashita K, Mizuno Y, Inoue M, Ueyama T, Koyama J, Tsurugi T, Orita Y, Asano T, Shinke T, Tanno K, Murotani K; TRANSITION JAPAN‐ICD/WCD study. J Arrhythm. 2024 Mar 27;40(3):423-433. doi: 10.1002/joa3.13028. eCollection 2024 Jun.
Back flip technique for pulmonary vein isolation: A case of radiofrequency ablation for paroxysmal atrial fibrillation in a patient with dextrocardia, situs inversus, and interrupted inferior vena cava. Mizuno Y, Munehisa Y, Kumazawa D, Onodera K, Nomura T, Yamashita K. HeartRhythm Case Rep. 2024 Apr 4;10(6):432-436. doi: 10.1016/j.hrcr.2024.03.014. eCollection 2024 Jun.
Helix-fixation leadless pacemaker delivery catheter reeling in intracardiac tissue and becoming stuck: A case report. Nomura T, Kumazawa D, Onodera K, Mizuno Y, Toyoda S, Yamashita K. HeartRhythm Case Rep. 2024 May 3;10(7):479-482. doi: 10.1016/j.hrcr.2024.04.010. eCollection 2024 Jul
Voltage-guided pulmonary vein isolation for atrial fibrillation. Kishihara J, Fukaya H, Yamashita K, Ono M, Igawa W, Saito J, Takano M, Ishizue N, Nakamura H, Matsuura G, Oikawa J. Heart Rhythm. 2024 Aug 22:S1547-5271(24)03239-9. doi: 10.1016/j.hrthm.2024.08.041. Online ahead of print.
Transvenous extraction of a left bundle branch area pacing lead and an attempt to reimplant it: A case report. Nomura T, Isawa T, Onodera K, Toyoda S, Yamashita K, Honda T. JHeartRhythm Case Rep. 2024 Jun 25;10(9):671-675. doi: 10.1016/j.hrcr.2024.06.017. eCollection 2024 Sep.
Transvenous extraction and reimplantation procedures for quadripolar left ventricular leads with an active fixation side helix. Nomura T, Isawa T, Toyoda S, Yamashita K, Honda T. J Arrhythm. 2024 Aug 21;40(5):1206-1209. doi: 10.1002/joa3.13134. eCollection 2024 Oct.
Individualized right anterior oblique view for reproducible left bundle branch area pacing procedures for each patient. Onodera K, Kumazawa D, Mizuno Y, Nomura T, Satomi K, Yamashita K. HeartRhythm Case Rep. 2024 Aug 7;10(11):825-829. doi: 10.1016/j.hrcr.2024.08.005. eCollection 2024 Nov.
Author’s reply to “An important step to avoid complications with leadless pacemaker implants and retrievals”. Nomura T, Yamashita K.
HeartRhythm Case Rep. 2024 Aug 8;10(10):767-768. doi: 10.1016/j.hrcr.2024.08.002. eCollection 2024 Oct.
A case of identifying an epicardial non-pulmonary vein premature atrial complex using intracardiac pace-match scoring. Mizuno Y, Kumazawa D, Onodera K, Nomura T, Satomi K, Yamashita K. HeartRhythm Case Rep. 2024 Sep 6;10(12):922-926. doi: 10.1016/j.hrcr.2024.09.001. eCollection 2024 Dec.