1
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Kasai Y, Morita J, Kitai T, Munakata Y, Suzuki K, Okada T, Kasai J, Fujita T. Retrograde Pull-through Approach with Double Guiding Catheters When Antegrade Left Ventricular Lead Implantation Is Infeasible. CJC Open 2024; 6:573-576. [PMID: 38559337 PMCID: PMC10980892 DOI: 10.1016/j.cjco.2023.11.016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2023] [Accepted: 11/15/2023] [Indexed: 04/04/2024] Open
Affiliation(s)
- Yuhei Kasai
- Department of Cardiology, Sapporo Cardiovascular Clinic, Sapporo, Japan
| | - Junji Morita
- Department of Cardiology, Sapporo Cardiovascular Clinic, Sapporo, Japan
| | - Takayuki Kitai
- Department of Cardiology, Sapporo Cardiovascular Clinic, Sapporo, Japan
| | - Yumetsugu Munakata
- Department of Clinical Enginerring, Sapporo Cardiovascular Clinic, Sapporo, Japan
| | - Kota Suzuki
- Department of Clinical Enginerring, Sapporo Cardiovascular Clinic, Sapporo, Japan
| | - Takuya Okada
- Department of Clinical Enginerring, Sapporo Cardiovascular Clinic, Sapporo, Japan
| | - Jungo Kasai
- Toyota Technological Institute at Chicago, Chicago, Illinois, USA
| | - Tsutomu Fujita
- Department of Cardiology, Sapporo Cardiovascular Clinic, Sapporo, Japan
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2
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Kasai Y, Morita J, Haraguchi T, Kitai T. Successful implantation of a left ventricular lead for cardiac resynchronization therapy upgrade via an occluded subclavian vein using the balloon-target puncture technique. Eur Heart J Case Rep 2024; 8:ytae110. [PMID: 38454955 PMCID: PMC10919385 DOI: 10.1093/ehjcr/ytae110] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2024] [Revised: 02/12/2024] [Accepted: 02/21/2024] [Indexed: 03/09/2024]
Affiliation(s)
- Yuhei Kasai
- Department of Cardiology, Sapporo Cardiovascular Clinic, North 49, East 16, 8-1, Higashi Ward, Sapporo, Hokkaido 007-0849, Japan
| | - Junji Morita
- Department of Cardiology, Sapporo Cardiovascular Clinic, North 49, East 16, 8-1, Higashi Ward, Sapporo, Hokkaido 007-0849, Japan
| | - Takuya Haraguchi
- Department of Cardiology, Sapporo Cardiovascular Clinic, North 49, East 16, 8-1, Higashi Ward, Sapporo, Hokkaido 007-0849, Japan
| | - Takayuki Kitai
- Department of Cardiology, Sapporo Cardiovascular Clinic, North 49, East 16, 8-1, Higashi Ward, Sapporo, Hokkaido 007-0849, Japan
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3
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Kasai Y, Kasai J, Kitai T, Horita R, Morita J, Fujita T. Silent steam pop detected by transesophageal echocardiography for premature ventricular contractions originating from the aortomitral continuity. J Echocardiogr 2024; 22:61-62. [PMID: 37120477 PMCID: PMC10917827 DOI: 10.1007/s12574-023-00602-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2022] [Revised: 03/03/2023] [Accepted: 04/18/2023] [Indexed: 05/01/2023]
Affiliation(s)
- Yuhei Kasai
- Department of Cardiology, Sapporo Cardiovascular Clinic, Sapporo, Hokkaido, Japan.
| | | | - Takayuki Kitai
- Department of Cardiology, Sapporo Cardiovascular Clinic, Sapporo, Hokkaido, Japan
| | - Ryo Horita
- Department of Cardiology, Sapporo Cardiovascular Clinic, Sapporo, Hokkaido, Japan
| | - Junji Morita
- Department of Cardiology, Sapporo Cardiovascular Clinic, Sapporo, Hokkaido, Japan
| | - Tsutomu Fujita
- Department of Cardiology, Sapporo Cardiovascular Clinic, Sapporo, Hokkaido, Japan
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Kasai Y, Kitai T, Morita J, Okada T, Kasai J, Fujita T. Purkinje de-networking using a ripple map with a novel multielectrode mapping catheter for a ventricular fibrillation storm in a patient supported by an Impella device after an acute coronary syndrome. HeartRhythm Case Rep 2024; 10:208-212. [PMID: 38496742 PMCID: PMC10943542 DOI: 10.1016/j.hrcr.2023.12.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/19/2024] Open
Affiliation(s)
- Yuhei Kasai
- Department of Cardiology, Asia Medical Group, Sapporo Heart Center, Sapporo Cardiovascular Clinic, Sapporo, Japan
| | - Takayuki Kitai
- Department of Cardiology, Asia Medical Group, Sapporo Heart Center, Sapporo Cardiovascular Clinic, Sapporo, Japan
| | - Junji Morita
- Department of Cardiology, Asia Medical Group, Sapporo Heart Center, Sapporo Cardiovascular Clinic, Sapporo, Japan
| | - Takuya Okada
- Department of Clinical Engineering, Asia Medical Group, Sapporo Heart Center, Sapporo Cardiovascular Clinic, Sapporo, Japan
| | - Jungo Kasai
- Toyota Technological Institute at Chicago, Chicago, Illinois
| | - Tsutomu Fujita
- Department of Cardiology, Asia Medical Group, Sapporo Heart Center, Sapporo Cardiovascular Clinic, Sapporo, Japan
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Kasai Y, Haraguchi T, Kitai T, Morita J, Tsujimoto M, Kasai J, Fujita T. Successful transvenous retrieval of an electrode ring dislodged from a novel visualized steerable sheath by inflation of a balloon inside the ring. J Cardiol Cases 2024; 29:63-66. [PMID: 38362578 PMCID: PMC10865133 DOI: 10.1016/j.jccase.2023.10.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2023] [Revised: 09/15/2023] [Accepted: 10/11/2023] [Indexed: 02/17/2024] Open
Abstract
The VIZIGO sheath (Biosense Webster, Irvine, CA, USA) is used for catheter ablation (CA) of atrial arrhythmia. In this case report, we describe a complication associated with the VIZIGO sheath and present a successful bailout method. An 82-year-old woman with paroxysmal atrial fibrillation (AF) and atrial tachycardia (AT) was referred to our hospital after experiencing palpitations for 6 months. She underwent CA using the VIZIGO sheath and a fixed Swartz sheath (St. Jude Inc., St. Paul, MN, USA). Pulmonary vein isolation and left atrial posterior wall isolation were performed to address AF and AT. Following ablation, the Swartz sheath was removed; however, the VIZIGO sheath showed resistance to removal. A wire was inserted into the VIZIGO sheath for removal, but the distal electrode ring detached in the vessel. To retrieve the electrode ring, a Mustang over-the-wire angioplasty balloon was dilated inside the ring and withdrawn with the ring. After venography and confirmation of a hemostatic seal, the ablation procedure was completed. The patient experienced postoperative anemia, which was resolved by erythrocyte transfusion. No further paroxysmal AF or AT occurred during the 1-year follow-up. In conclusion, the VIZIGO sheath's distal electrode ring may become detached during CA, and the detached ring can be successfully retrieved using our original bailout technique. Learning objective This case report highlights the unique complication of electrode ring detachment associated with the novel visualized steerable sheath (VIZIGO; Biosense Webster, Irvine, CA, USA) during catheter ablation procedures and presents the successful technique as a bailout method for retrieving the dislodged ring. The technique involves dilating a non-compliant over-the-wire angioplasty balloon inside the ring and withdrawing it along with the detached ring.
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Affiliation(s)
- Yuhei Kasai
- Department of Cardiovascular Medicine, Sapporo Cardiovascular Clinic, Sapporo, Japan
| | - Takuya Haraguchi
- Department of Cardiovascular Medicine, Sapporo Cardiovascular Clinic, Sapporo, Japan
| | - Takayuki Kitai
- Department of Cardiovascular Medicine, Sapporo Cardiovascular Clinic, Sapporo, Japan
| | - Junji Morita
- Department of Cardiovascular Medicine, Sapporo Cardiovascular Clinic, Sapporo, Japan
| | - Masanaga Tsujimoto
- Department of Cardiovascular Medicine, Sapporo Cardiovascular Clinic, Sapporo, Japan
| | - Jungo Kasai
- Toyota Technological Institute at Chicago, Chicago, IL, USA
| | - Tsutomu Fujita
- Department of Cardiovascular Medicine, Sapporo Cardiovascular Clinic, Sapporo, Japan
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Kasai Y, Morita J, Kitai T, Fujita T. Successful detection of supraventricular tachycardia following ST elevation due to vasospastic angina using an insertable cardiac monitor in a patient with recurrent syncope: a case report. Eur Heart J Case Rep 2023; 7:ytad504. [PMID: 37954568 PMCID: PMC10633680 DOI: 10.1093/ehjcr/ytad504] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Revised: 09/28/2023] [Accepted: 10/06/2023] [Indexed: 11/14/2023]
Affiliation(s)
- Yuhei Kasai
- Department of Cardiology, Sapporo Cardiovascular Clinic, Sapporo, Hokkaido, Japan
| | - Junji Morita
- Department of Cardiology, Sapporo Cardiovascular Clinic, Sapporo, Hokkaido, Japan
| | - Takayuki Kitai
- Department of Cardiology, Sapporo Cardiovascular Clinic, Sapporo, Hokkaido, Japan
| | - Tsutomu Fujita
- Department of Cardiology, Sapporo Cardiovascular Clinic, Sapporo, Hokkaido, Japan
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Okada T, Morita J, Kitai T, Fujita T, Kondo Y. Oversensing caused by trapped air in the header of subcutaneous cardioverter-defibrillator generator. J Arrhythm 2023; 39:803-806. [PMID: 37799797 PMCID: PMC10549796 DOI: 10.1002/joa3.12912] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2023] [Revised: 07/19/2023] [Accepted: 08/09/2023] [Indexed: 10/07/2023] Open
Abstract
In this study, we report two cases with oversensing due to air accumulation in the subcutaneous implantable cardioverter-defibrillator (S-ICD) device generator header. If trapped air in the header of the device is suspected, the re-connection procedure should be considered or the primary vector must be used, which might prevent oversensing.
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Affiliation(s)
- Takuya Okada
- Department of Clinical Engineering, Sapporo Heart CenterSapporo Cardiovascular ClinicSapporoJapan
| | - Junji Morita
- Department of Cardiovascular Medicine, Sapporo Heart CenterSapporo Cardiovascular ClinicSapporoJapan
| | - Takayuki Kitai
- Department of Cardiovascular Medicine, Sapporo Heart CenterSapporo Cardiovascular ClinicSapporoJapan
| | - Tsutomu Fujita
- Department of Cardiovascular Medicine, Sapporo Heart CenterSapporo Cardiovascular ClinicSapporoJapan
| | - Yusuke Kondo
- Department of Cardiovascular MedicineChiba University Graduate School of MedicineChibaJapan
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Kasai Y, Kasai J, Haraguchi T, Kitai T, Morita J, Okada T, Tsujimoto M, Fujita T. Lock and dock: Two-step transvenous retrieval of a fractured femoral sheath with a vascular snare via the right internal jugular vein. J Cardiol Cases 2023; 28:176-179. [PMID: 37818439 PMCID: PMC10562096 DOI: 10.1016/j.jccase.2023.06.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2023] [Revised: 06/08/2023] [Accepted: 06/09/2023] [Indexed: 10/12/2023] Open
Abstract
An 86-year-old male with progressive palpitations and dyspnea was referred to our hospital for heart failure treatment. Catheter ablation was performed for atrial flutter as we suspected tachycardia-induced cardiomyopathy as the cause of the patient's heart failure. Due to difficulty securing a peripheral venous route, a 6-Fr sheath was inserted via the right common femoral vein prior to administering general anesthesia. While attempting to insert a mapping catheter, the 6-Fr sheath became lodged and subsequently fractured during removal. Percutaneous transvenous retrieval using an 8-Fr sheath was unsuccessful, and a switch to a right internal jugular vein approach with a 16-Fr sheath was necessary for successful retrieval. The following two-step retrieval ("lock and dock") was then performed: 1) lock: a vascular snare was used to catch the remaining wire crossing into the fractured sheath lumen to prevent the risk of sheath migration to the right ventricle or the pulmonary artery, and 2) dock: the same snare was subsequently used to catch the fractured sheath. The planned catheter ablation was then successfully performed, without any complications. Learning objective Our case presents, "lock and dock," a novel approach for percutaneous transvenous retrieval that involves two steps: a vascular snare is used to catch the wire and subsequently the fractured sheath. This use of a vascular snare and a large-diameter sheath through the right internal jugular vein effectively reduces the possibility of fractured sheath migration.
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Affiliation(s)
- Yuhei Kasai
- Department of Cardiology, Asia Medical Group, Sapporo Heart Center, Sapporo Cardiovascular Clinic, Sapporo, Japan
| | - Jungo Kasai
- Paul G. Allen School of Computer Science & Engineering, University of Washington, Seattle, WA, USA
| | - Takuya Haraguchi
- Department of Cardiology, Asia Medical Group, Sapporo Heart Center, Sapporo Cardiovascular Clinic, Sapporo, Japan
| | - Takayuki Kitai
- Department of Cardiology, Asia Medical Group, Sapporo Heart Center, Sapporo Cardiovascular Clinic, Sapporo, Japan
| | - Junji Morita
- Department of Cardiology, Asia Medical Group, Sapporo Heart Center, Sapporo Cardiovascular Clinic, Sapporo, Japan
| | - Takuya Okada
- Department of Clinical Engineering, Asia Medical Group, Sapporo Heart Center, Sapporo Cardiovascular Clinic, Sapporo, Japan
| | - Masanaga Tsujimoto
- Department of Cardiology, Asia Medical Group, Sapporo Heart Center, Sapporo Cardiovascular Clinic, Sapporo, Japan
| | - Tsutomu Fujita
- Department of Cardiology, Asia Medical Group, Sapporo Heart Center, Sapporo Cardiovascular Clinic, Sapporo, Japan
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Kasai Y, Kitai T, Morita J, Okada T, Kasai J, Fujita T. Successful, urgent, single-stage endo-epicardial catheter ablation with a surgically subxiphoid pericardial window for a drug-resistant ventricular tachycardia storm in an extremely old hemodialysis patient with ischemic cardiomyopathy. HeartRhythm Case Rep 2023; 9:736-740. [PMID: 38047188 PMCID: PMC10691947 DOI: 10.1016/j.hrcr.2023.07.018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/05/2023] Open
Affiliation(s)
- Yuhei Kasai
- Department of Cardiology, Sapporo Cardiovascular Clinic, Sapporo, Japan
| | - Takayuki Kitai
- Department of Cardiology, Sapporo Cardiovascular Clinic, Sapporo, Japan
| | - Junji Morita
- Department of Cardiology, Sapporo Cardiovascular Clinic, Sapporo, Japan
| | - Takuya Okada
- Department of Clinical Engineering, Sapporo Cardiovascular Clinic, Sapporo, Japan
| | - Jungo Kasai
- Paul G. Allen School of Computer Science & Engineering, University of Washington, Seattle, Washington
| | - Tsutomu Fujita
- Department of Cardiology, Sapporo Cardiovascular Clinic, Sapporo, Japan
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Kasai Y, Kitai T, Morita J, Okada T, Kasai J, Fujita T. Successful catheter ablation for verapamil-sensitive idiopathic left ventricular tachycardia guided by dual post-QRS wave P1 potentials after catheter-induced mechanical block. HeartRhythm Case Rep 2023; 9:671-675. [PMID: 37746557 PMCID: PMC10511895 DOI: 10.1016/j.hrcr.2023.07.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/26/2023] Open
Affiliation(s)
- Yuhei Kasai
- Department of Cardiology, Asia Medical Group, Sapporo Heart Center, Sapporo Cardiovascular Clinic, Sapporo, Japan
| | - Takayuki Kitai
- Department of Cardiology, Asia Medical Group, Sapporo Heart Center, Sapporo Cardiovascular Clinic, Sapporo, Japan
| | - Junji Morita
- Department of Cardiology, Asia Medical Group, Sapporo Heart Center, Sapporo Cardiovascular Clinic, Sapporo, Japan
| | - Takuya Okada
- Department of Clinical Engineering, Asia Medical Group, Sapporo Heart Center, Sapporo Cardiovascular Clinic, Sapporo, Japan
| | - Jungo Kasai
- Paul G. Allen School of Computer Science & Engineering, University of Washington, Seattle, Washington
| | - Tsutomu Fujita
- Department of Cardiology, Asia Medical Group, Sapporo Heart Center, Sapporo Cardiovascular Clinic, Sapporo, Japan
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Kasai Y, Haraguchi T, Morita J, Kitai T, Okada T, Tamura T, Munakata Y, Tsujimoto M, Kasai J, Fujita T. Wire ThRoUgh Snare Twice (Wire TRUST) technique: A novel method to grasp a lead with inaccessible ends as a supportive femoral approach for transvenous lead extraction. J Cardiovasc Electrophysiol 2023; 34:1990-1995. [PMID: 37579218 DOI: 10.1111/jce.16041] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/22/2023] [Revised: 07/18/2023] [Accepted: 08/07/2023] [Indexed: 08/16/2023]
Abstract
INTRODUCTION Transvenous lead extraction (TLE) is a crucial procedure for managing cardiac implantable electronic devices. The use of a combined superior and femoral approach has been found to enhance the success rate of TLE. This report introduces a novel technique, named "Wire ThRoUgh Snare Twice" (Wire TRUST), for effectively grasping a lead without a free end during TLE. METHOD The Wire TRUST technique was applied in a case involving a 49-year-old male patient requiring TLE due to electrical artifact on the right ventricular (RV) lead, replacement of the RV lead, and pacemaker generator exchange. The Wire TRUST technique involved the insertion of a 4-Fr pigtail catheter and a 6-Fr snare catheter through the 14-Fr sheath inserted from the right common femoral vein. The 4-Fr pigtail catheter was hooked to the RV lead under multidirectional fluoroscopic guidance in the right atrium. The 0.014-in. guidewire was advanced through the pigtail catheter, crossing the RV lead until reaching the inferior vena cava. Subsequently, the distal end of the 0.014-in. guidewire was captured using a snare and pulled, facilitating externalization of the guidewire. After externalization, both ends of the 0.014-in. guidewire were passed through the snare outside the body and reinserted into the 14-Fr sheath. By simultaneously advancing and closing the snare while applying tension to the 0.014-in. guidewire, a secure grip on the lead without free ends was achieved. RESULTS The Wire TRUST technique enabled successful lead extraction and replacement without any complications. The technique facilitated the co-axial alignment of the powered sheath with the RV lead, ensuring safe and efficient extraction. CONCLUSION The Wire TRUST technique presents a novel and effective approach for grasping leads with inaccessible ends during TLE.
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Affiliation(s)
- Yuhei Kasai
- Asia Medical Group, Department of Cardiology, Sapporo CardioVascular Clinic, Sapporo Heart Center, Sapporo, Japan
| | - Takuya Haraguchi
- Asia Medical Group, Department of Cardiology, Sapporo CardioVascular Clinic, Sapporo Heart Center, Sapporo, Japan
| | - Junji Morita
- Asia Medical Group, Department of Cardiology, Sapporo CardioVascular Clinic, Sapporo Heart Center, Sapporo, Japan
| | - Takayuki Kitai
- Asia Medical Group, Department of Cardiology, Sapporo CardioVascular Clinic, Sapporo Heart Center, Sapporo, Japan
| | - Takuya Okada
- Asia Medical Group, Department of Clinical Engineering, Sapporo CardioVascular Clinic, Sapporo Heart Center, Sapporo, Japan
| | - Takashi Tamura
- Asia Medical Group, Department of Clinical Engineering, Sapporo CardioVascular Clinic, Sapporo Heart Center, Sapporo, Japan
| | - Yumetsugu Munakata
- Asia Medical Group, Department of Clinical Engineering, Sapporo CardioVascular Clinic, Sapporo Heart Center, Sapporo, Japan
| | - Masanaga Tsujimoto
- Asia Medical Group, Department of Cardiology, Sapporo CardioVascular Clinic, Sapporo Heart Center, Sapporo, Japan
| | - Jungo Kasai
- Paul G. Allen School of Computer Science and Engineering, University of Washington, Seattle, Washington, USA
| | - Tsutomu Fujita
- Asia Medical Group, Department of Cardiology, Sapporo CardioVascular Clinic, Sapporo Heart Center, Sapporo, Japan
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Okada T, Morita J, Kasai Y, Kitai T, Fujita T. Usefulness of "heart-shaped sign" during "spaghetti twisting" technique in transvenous lead extraction. J Arrhythm 2023; 39:627-629. [PMID: 37560273 PMCID: PMC10407192 DOI: 10.1002/joa3.12890] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2023] [Revised: 06/07/2023] [Accepted: 06/18/2023] [Indexed: 08/11/2023] Open
Affiliation(s)
- Takuya Okada
- Department of Clinical Engineering, Sapporo Heart CenterSapporo Cardiovascular ClinicSapporoJapan
| | - Junji Morita
- Department of Cardiology, Sapporo Heart CenterSapporo Cardiovascular ClinicSapporoJapan
| | - Yuhei Kasai
- Department of Cardiology, Sapporo Heart CenterSapporo Cardiovascular ClinicSapporoJapan
| | - Takayuki Kitai
- Department of Cardiology, Sapporo Heart CenterSapporo Cardiovascular ClinicSapporoJapan
| | - Tsutomu Fujita
- Department of Cardiology, Sapporo Heart CenterSapporo Cardiovascular ClinicSapporoJapan
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Morita J, Kondo Y, Haraguchi T, Kitai T, Fujita T. Rocket-shape crossing technique: A combination of lead extraction and modified venoplasty for device upgrade with venous occlusion. J Arrhythm 2023; 39:621-622. [PMID: 37560292 PMCID: PMC10407171 DOI: 10.1002/joa3.12875] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Revised: 04/24/2023] [Accepted: 05/16/2023] [Indexed: 08/11/2023] Open
Abstract
This case discusses an upgrade method to cardiac resynchronization therapy defibrillator for a 54 year old man with superior vena cava occlusion. Right ventricular lead extraction with modified venoplasty, Rocket shape Crossing Technique (RCT), was performed. In RCT the integration of the inflated balloon, halfway inside the laser sheath, and the laser sheath are advanced through the occlusion like a rocket shape crossing.
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Affiliation(s)
- Junji Morita
- Department of Cardiovascular MedicineSapporo Heart Center, Sapporo Cardiovascular ClinicSapporoJapan
| | - Yusuke Kondo
- Department of Cardiovascular MedicineChiba University Graduate School of MedicineChibaJapan
| | - Takuya Haraguchi
- Department of Cardiovascular MedicineSapporo Heart Center, Sapporo Cardiovascular ClinicSapporoJapan
| | - Takayuki Kitai
- Department of Cardiovascular MedicineSapporo Heart Center, Sapporo Cardiovascular ClinicSapporoJapan
| | - Tsutomu Fujita
- Department of Cardiovascular MedicineSapporo Heart Center, Sapporo Cardiovascular ClinicSapporoJapan
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Kitai T, Kasai Y, Kasai J, Morita J, Fujita T. Iatrogenic left atrial calcification after catheter ablation for atrial fibrillation confirmed by histological assessment. Eur Heart J Case Rep 2023; 7:ytad407. [PMID: 37637093 PMCID: PMC10456206 DOI: 10.1093/ehjcr/ytad407] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2023] [Revised: 07/12/2023] [Accepted: 08/15/2023] [Indexed: 08/29/2023]
Affiliation(s)
- Takayuki Kitai
- Department of Cardiology, Sapporo Cardio Vascular Clinic, Sapporo Heart Center, North 49, East 16, 8-1, Higashi Ward, Sapporo, Hokkaido 007-0849, Japan
| | - Yuhei Kasai
- Department of Cardiology, Sapporo Cardio Vascular Clinic, Sapporo Heart Center, North 49, East 16, 8-1, Higashi Ward, Sapporo, Hokkaido 007-0849, Japan
| | - Jungo Kasai
- Paul G. Allen School of Computer Science and Engineering, University of Washington Seattle Campus, Seattle, WA, USA
| | - Junji Morita
- Department of Cardiology, Sapporo Cardio Vascular Clinic, Sapporo Heart Center, North 49, East 16, 8-1, Higashi Ward, Sapporo, Hokkaido 007-0849, Japan
| | - Tsutomu Fujita
- Department of Cardiology, Sapporo Cardio Vascular Clinic, Sapporo Heart Center, North 49, East 16, 8-1, Higashi Ward, Sapporo, Hokkaido 007-0849, Japan
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Kitai T, Kasai Y, Kasai J, Otake R, Horita R, Shitan H, Morita J, Fujita T. Iatrogenic Aortic Regurgitation After Catheter Ablation of Aortic Right-left Interleaflet Triangle. JACC Clin Electrophysiol 2023:S2405-500X(23)00160-3. [PMID: 37086224 DOI: 10.1016/j.jacep.2023.02.021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2023] [Revised: 02/24/2023] [Accepted: 02/28/2023] [Indexed: 04/23/2023]
Affiliation(s)
- Takayuki Kitai
- Department of Cardiology, Sapporo Cardio Vascular Clinic, Sapporo Heart Center, Sapporo, Hokkaido, Japan.
| | - Yuhei Kasai
- Department of Cardiology, Sapporo Cardio Vascular Clinic, Sapporo Heart Center, Sapporo, Hokkaido, Japan
| | - Jungo Kasai
- University of Washington Seattle Campus, Paul G. Allen School of Computer Science & Engineering, Seattle, Washington, USA
| | - Ryo Otake
- Department of Cardiology, Sapporo Cardio Vascular Clinic, Sapporo Heart Center, Sapporo, Hokkaido, Japan
| | - Ryo Horita
- Department of Cardiology, Sapporo Cardio Vascular Clinic, Sapporo Heart Center, Sapporo, Hokkaido, Japan
| | - Hidemasa Shitan
- Department of Cardiology, Sapporo Cardio Vascular Clinic, Sapporo Heart Center, Sapporo, Hokkaido, Japan
| | - Junji Morita
- Department of Cardiology, Sapporo Cardio Vascular Clinic, Sapporo Heart Center, Sapporo, Hokkaido, Japan
| | - Tsutomu Fujita
- Department of Cardiology, Sapporo Cardio Vascular Clinic, Sapporo Heart Center, Sapporo, Hokkaido, Japan
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Kasai Y, Kasai J, Kitai T, Morita J, Fujita T. Iatrogenic Left Ventricular Pseudoaneurysm After Successful Radiofrequency Catheter Ablation for Premature Ventricular Contraction Originating From the Posterior Papillary Muscles. Circ J 2023; 87:464. [PMID: 36504082 DOI: 10.1253/circj.cj-22-0553] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Yuhei Kasai
- Department of Cardiology, Sapporo Cardio Vascular Clinic
| | | | - Takayuki Kitai
- Department of Cardiology, Sapporo Cardio Vascular Clinic
| | - Junji Morita
- Department of Cardiology, Sapporo Cardio Vascular Clinic
| | - Tsutomu Fujita
- Department of Cardiology, Sapporo Cardio Vascular Clinic
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17
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Morita J, Kondo Y, Hachinohe D, Kitai T, Fujita T. Retrieval of an infectious leadless pacemaker with vegetation. J Arrhythm 2023; 39:71-73. [PMID: 36733319 PMCID: PMC9885316 DOI: 10.1002/joa3.12814] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2022] [Revised: 12/04/2022] [Accepted: 12/26/2022] [Indexed: 01/06/2023] Open
Abstract
This case discusses the retrieval of a pacemaker with vegetation from a 78-year-old man. It suggests that grasping side of Micra body and pulling Micra into Agilis sheath is a possible technique for retrieval.
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Affiliation(s)
- Junji Morita
- Department of CardiologySapporo Cardiovascular ClinicSapporoJapan
| | - Yusuke Kondo
- Department of Cardiovascular MedicineChiba University Graduate School of MedicineChibaJapan
| | | | - Takayuki Kitai
- Department of CardiologySapporo Cardiovascular ClinicSapporoJapan
| | - Tsutomu Fujita
- Department of CardiologySapporo Cardiovascular ClinicSapporoJapan
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18
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Morita J, Kondo Y, Okada T, Kitai T, Kasai Y, Fujita T. Predictors of Pacing Capture Threshold Exacerbation After Leadless Pacemaker Implantation. Int Heart J 2023; 64:602-605. [PMID: 37518341 DOI: 10.1536/ihj.22-698] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 08/01/2023]
Abstract
The predictors of pacing capture threshold (PCT) exacerbation after leadless pacemaker implantation remain unknown. We analyzed the predictors of poor PCT by identifying risk factors using multivariate logistic regression analysis for 211 patients with leadless pacemaker implantation. Twenty patients met the criteria for elevated PCT levels and were categorized in the poor PCT group. Multivariate analyses revealed that PCT (P < 0.0001) and pacing impedance (P = 0.03) were independent predictors of PCT exacerbation. Elevated PCT levels and low pacing impedance during leadless pacemaker implantation were potential risk factors for the replacement of leadless pacemakers after the procedure.
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Affiliation(s)
- Junji Morita
- Department of Cardiovascular Medicine, Sapporo Heart Center, Sapporo Cardiovascular Clinic
| | - Yusuke Kondo
- Department of Cardiovascular Medicine, Chiba University Graduate School of Medicine
| | - Takuya Okada
- Department of Clinical Engineering, Sapporo Heart Center, Sapporo Cardiovascular Clinic
| | - Takayuki Kitai
- Department of Cardiovascular Medicine, Sapporo Heart Center, Sapporo Cardiovascular Clinic
| | - Yuhei Kasai
- Department of Cardiovascular Medicine, Sapporo Heart Center, Sapporo Cardiovascular Clinic
| | - Tsutomu Fujita
- Department of Cardiovascular Medicine, Sapporo Heart Center, Sapporo Cardiovascular Clinic
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Morita Y, Morita J, Kondo Y, Tanabe K. Occurrence of Torsade de Pointes prior to complete lead connection during pacemaker implantation. Indian Pacing Electrophysiol J 2022; 22:254-257. [PMID: 35870802 PMCID: PMC9463488 DOI: 10.1016/j.ipej.2022.07.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2022] [Revised: 06/26/2022] [Accepted: 07/18/2022] [Indexed: 11/30/2022] Open
Abstract
Torsade de Pointes (TdP) can be triggered by a pacing spike on the T-wave, due to pacemaker undersensing. However, it is not widely known that this phenomenon can occur even during pacemaker implantation. An 84-year-old woman underwent pacemaker implantation for the treatment of a complete atrioventricular block with dyspnea. During the procedure, immediately following ventricular lead insertion and before torque wrench tightening, TdP was observed. Ventricular pacing was initiated by inserting the lead into the header of the generator; however, sensing remained unstable. T-waves associated with undersensed PVCs and ventricular pacing occurred simultaneously, resulting in a spike on the T-wave and TdP.
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Affiliation(s)
- Yusuke Morita
- Department of Cardiology, Sapporo Heart Center, Sapporo Cardio Vascular Clinic, Sapporo, Japan; Division of Cardiology, Shimane University Faculty of Medicine, Shimane, Japan
| | - Junji Morita
- Department of Cardiology, Sapporo Heart Center, Sapporo Cardio Vascular Clinic, Sapporo, Japan.
| | - Yusuke Kondo
- Department of Cardiovascular Medicine, Chiba University Graduate School of Medicine, Chiba, Japan
| | - Kazuaki Tanabe
- Division of Cardiology, Shimane University Faculty of Medicine, Shimane, Japan
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Kitai T, Kasai Y, Kasai J, Morita J, Fujita T. Mediastinal Hematoma Associated With Radiofrequency Catheter Ablation of Atrial Fibrillation. Circ J 2022; 86:2041. [DOI: 10.1253/circj.cj-22-0174] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Takayuki Kitai
- Department of Cardiology, Sapporo Cardio Vascular Clinic
| | - Yuhei Kasai
- Department of Cardiology, Sapporo Cardio Vascular Clinic
| | | | - Junji Morita
- Department of Cardiology, Sapporo Cardio Vascular Clinic
| | - Tsutomu Fujita
- Department of Cardiology, Sapporo Cardio Vascular Clinic
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21
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Morita J, Kondo Y, Morita Y, Kitai T, Fujita T. Impact of optimal septal pacing with a novel catheter delivery system. Heart Rhythm O2 2022; 3:393-395. [PMID: 36097463 PMCID: PMC9463684 DOI: 10.1016/j.hroo.2022.05.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
Affiliation(s)
- Junji Morita
- Department of Cardiology, Sapporo Heart Center, Sapporo Cardiovascular Clinic, Sapporo, Japan
- Address reprint requests and correspondence: Dr Junji Morita, Department of Cardiology, Sapporo Heart Center, Sapporo Cardiovascular Clinic, 16-8-1 Kita 49 Jou-higashi, Higashi-ku, Sapporo 007-0849, Japan.
| | - Yusuke Kondo
- Department of Cardiovascular Medicine, Chiba University Graduate School of Medicine, Chiba Japan
| | - Yusuke Morita
- Department of Cardiology, Sapporo Heart Center, Sapporo Cardiovascular Clinic, Sapporo, Japan
- Division of Cardiology, Shimane University Faculty of Medicine, Shimane, Japan
| | - Takayuki Kitai
- Department of Cardiology, Sapporo Heart Center, Sapporo Cardiovascular Clinic, Sapporo, Japan
| | - Tsutomu Fujita
- Department of Cardiology, Sapporo Heart Center, Sapporo Cardiovascular Clinic, Sapporo, Japan
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Ishikawa K, Sasaki H, Ogushi Y, Niikura A, Ota T, Ichimura Y, Hashimoto Y, Kurokawa I, Sugishita H, Tanifuji S, Yamagishi M, Shimoyama H, Ota M, Oshinomi K, Hayashi K, Morita J, Shichijo T, Fukagai T, Sugawara S. Lipid abnormality, current diabetes and age affect erectile hardness ∼ An analysis of data from complete medical checkups performed at a single hospital in Japan. J Sex Med 2022. [DOI: 10.1016/j.jsxm.2022.03.421] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Morita Y, Morita J, Kondo Y, Kitai T, Fujita T, Tanabe K. Septal pacing using an inner guiding catheter without an outer sheath: A case series. HeartRhythm Case Rep 2021; 8:214-216. [PMID: 35492845 PMCID: PMC9039547 DOI: 10.1016/j.hrcr.2021.12.013] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022] Open
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Morita J, Yamaji K, Nagashima M, Kondo Y, Sadohara Y, Hirokami J, Kuji R, Korai K, Fukunaga M, Hiroshima K, Ando K, Goya M. Predictors of lead break during transvenous lead extraction. J Arrhythm 2021; 37:645-652. [PMID: 34141017 PMCID: PMC8207345 DOI: 10.1002/joa3.12524] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2020] [Revised: 02/16/2021] [Accepted: 03/02/2021] [Indexed: 11/05/2022] Open
Abstract
BACKGROUND The incidence, predictors, and clinical impact of lead break during transvenous lead extraction (TLE) were previously unknown. METHODS We included consecutive patients who underwent TLE between September 2013 and July 2019 at our institute. Lead break during removal was defined as lead stretching and becoming misshapen, as assessed by fluoroscopy. RESULTS A total of 246 patients underwent TLE for 501 leads. At a patient level, complete success was achieved in 226 patients (91.9%). At a lead level, 481 leads (96.0%) were completely removed and 101 leads (20.1%) were broken during the procedure. Of 392 identified pacemaker leads, 71 (18.3%) were broken during the TLE procedure. A multivariable analysis confirmed high lead age (odds ratio [OR] 1.12, 95% confidence interval (CI) 1.07-1.17; P < .001), passive leads (OR 2.29 95% CI 1.09-4.80; P = .028), coradial leads (OR 3.45 95% CI 1.72-6.92; P < .001), and insulators made of nonpolyurethane (OR 2.38 95% CI 1.03-5.26; P = .04) as predictors of lead break. Broken leads needed longer procedure times and were associated with a higher rate of cardiac tamponade. CONCLUSIONS Lead age, coradial bipolar leads, passive leads, and leads without polyurethane insulation were predictors of lead break and could increase the difficulty of lead extraction.
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Affiliation(s)
- Junji Morita
- Department of CardiologyKokura Memorial HospitalKitakyushuJapan
| | - Kyohei Yamaji
- Department of CardiologyKokura Memorial HospitalKitakyushuJapan
| | | | - Yusuke Kondo
- Department of Cardiovascular MedicineChiba University Graduate School of MedicineChibaJapan
| | - Yohei Sadohara
- Department of CardiologyKokura Memorial HospitalKitakyushuJapan
| | - Jun Hirokami
- Department of CardiologyKokura Memorial HospitalKitakyushuJapan
| | - Rei Kuji
- Department of CardiologyKokura Memorial HospitalKitakyushuJapan
| | - Kengo Korai
- Department of CardiologyKokura Memorial HospitalKitakyushuJapan
| | - Masato Fukunaga
- Department of CardiologyKokura Memorial HospitalKitakyushuJapan
| | | | - Kenji Ando
- Department of CardiologyKokura Memorial HospitalKitakyushuJapan
| | - Masahiko Goya
- Department of Cardiovascular MedicineTokyo Medical and Dental UniversityTokyoJapan
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Hirokami J, Hiroshima K, Yamaji K, Korai K, Nagashima M, Fukunaga M, Morita J, Yamamoto K, Ando K, Goya M. Relationship Between Fractionated Signal Areas in the Atrial Muscle During Sinus Rhythm and Atrial Pacing and Non-Pulmonary Vein Foci. Circ Arrhythm Electrophysiol 2020; 13:e008667. [DOI: 10.1161/circep.120.008667] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Affiliation(s)
- Jun Hirokami
- Department of Cardiology, Kokura Memorial Hospital, Kitakyushu (J.H., K.H., K.Y., K.K., M.N., M.F., J.M., K.Y., K.A., M.G.)
| | - Kenichi Hiroshima
- Department of Cardiology, Kokura Memorial Hospital, Kitakyushu (J.H., K.H., K.Y., K.K., M.N., M.F., J.M., K.Y., K.A., M.G.)
| | - Kyohei Yamaji
- Department of Cardiology, Kokura Memorial Hospital, Kitakyushu (J.H., K.H., K.Y., K.K., M.N., M.F., J.M., K.Y., K.A., M.G.)
| | - Kengo Korai
- Department of Cardiology, Kokura Memorial Hospital, Kitakyushu (J.H., K.H., K.Y., K.K., M.N., M.F., J.M., K.Y., K.A., M.G.)
| | - Michio Nagashima
- Department of Cardiology, Kokura Memorial Hospital, Kitakyushu (J.H., K.H., K.Y., K.K., M.N., M.F., J.M., K.Y., K.A., M.G.)
| | - Masato Fukunaga
- Department of Cardiology, Kokura Memorial Hospital, Kitakyushu (J.H., K.H., K.Y., K.K., M.N., M.F., J.M., K.Y., K.A., M.G.)
| | - Junji Morita
- Department of Cardiology, Kokura Memorial Hospital, Kitakyushu (J.H., K.H., K.Y., K.K., M.N., M.F., J.M., K.Y., K.A., M.G.)
| | - Kei Yamamoto
- Department of Cardiology, Kokura Memorial Hospital, Kitakyushu (J.H., K.H., K.Y., K.K., M.N., M.F., J.M., K.Y., K.A., M.G.)
| | - Kenji Ando
- Department of Cardiology, Kokura Memorial Hospital, Kitakyushu (J.H., K.H., K.Y., K.K., M.N., M.F., J.M., K.Y., K.A., M.G.)
| | - Masahiko Goya
- Department of Cardiology, Kokura Memorial Hospital, Kitakyushu (J.H., K.H., K.Y., K.K., M.N., M.F., J.M., K.Y., K.A., M.G.)
- Department of Cardiovascular Medicine, Tokyo Medical and Dental University, Tokyo, Japan (M.G.)
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Nagashima M, Morita J, Fukunaga M, Hiroshima K, Ando K. P4861Safety and effectiveness of transvenous lead extraction in octogenarians. Eur Heart J 2018. [DOI: 10.1093/eurheartj/ehy563.p4861] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
| | - J Morita
- Kokura Memorial Hospital, Kitakyushu, Japan
| | - M Fukunaga
- Kokura Memorial Hospital, Kitakyushu, Japan
| | | | - K Ando
- Kokura Memorial Hospital, Kitakyushu, Japan
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27
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Morita J, Fukunaga M, Hiroshima K, Nagashima M, Miura M, Ando K. Retrieval of a Micra transcatheter pacing system in a heart with a preexisting lead. Indian Pacing Electrophysiol J 2018; 18:183-184. [PMID: 29807136 PMCID: PMC6160494 DOI: 10.1016/j.ipej.2018.05.001] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2018] [Revised: 04/19/2018] [Accepted: 05/24/2018] [Indexed: 11/16/2022] Open
Abstract
We report the case of a 74-year-old man with a previously implanted pacemaker lead. He had undergone Medtronic™ Micra Transcatheter Pacing System (TPS, Medtronic plc, MN, USA) implantation because of lead fracture. We implanted a new TPS and retrieved the dislodged one. We used a multiple-loop snare (EN snare®) and an 8.5F steerable sheath (Agilis NXT; St. Jude Medical, St Paul, MN, USA). The TPS was obstructed by the chordae tendineae of the tricuspid valve and the pacemaker lead. We pushed the TPS to the apex site; this enabled us to move the TPS away from the chordae tendineae and pacemaker lead. The TPS body was caught in the inferior vena cava and was successfully retrieved. To our knowledge, this is the first case reporting TPS retrieval in a heart with preexisting lead.
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Affiliation(s)
- Junji Morita
- Department of Cardiology, Kokura Memorial Hospital, Japan.
| | | | | | | | - Mizuki Miura
- Department of Cardiology, Kokura Memorial Hospital, Japan
| | - Kenji Ando
- Department of Cardiology, Kokura Memorial Hospital, Japan
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Tohoku S, Hiroshima K, Nagashima M, Fukunaga M, Morita J, Yamamoto K, Iseda T, Ando K. P933Successful cryoballoon ablation of persistent atrial fibrillation in a case of persistent left superior vena cava. Europace 2018. [DOI: 10.1093/europace/euy015.534] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Affiliation(s)
- S Tohoku
- Kokura memorial hospital, department of cardilogy, Kitakyushu, Japan
| | - K Hiroshima
- Kokura memorial hospital, department of cardilogy, Kitakyushu, Japan
| | - M Nagashima
- Kokura memorial hospital, department of cardilogy, Kitakyushu, Japan
| | - M Fukunaga
- Kokura memorial hospital, department of cardilogy, Kitakyushu, Japan
| | - J Morita
- Kokura memorial hospital, department of cardilogy, Kitakyushu, Japan
| | - K Yamamoto
- Kokura memorial hospital, department of cardilogy, Kitakyushu, Japan
| | - T Iseda
- Kokura memorial hospital, department of cardilogy, Kitakyushu, Japan
| | - K Ando
- Kokura memorial hospital, department of cardilogy, Kitakyushu, Japan
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Tohoku S, Hiroshima K, Nagashima M, Fukunaga M, Morita J, Yamamoto K, Iseda T, Ando K. P1172The impact of esophageal width on esophageal temperature monitoring by using the multi-sensor probe with 2-dimensional, sinusoid-shape. Europace 2018. [DOI: 10.1093/europace/euy015.657] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
- S Tohoku
- Kokura memorial hospital, department of cardilogy, Kitakyushu, Japan
| | - K Hiroshima
- Kokura memorial hospital, department of cardilogy, Kitakyushu, Japan
| | - M Nagashima
- Kokura memorial hospital, department of cardilogy, Kitakyushu, Japan
| | - M Fukunaga
- Kokura memorial hospital, department of cardilogy, Kitakyushu, Japan
| | - J Morita
- Kokura memorial hospital, department of cardilogy, Kitakyushu, Japan
| | - K Yamamoto
- Kokura memorial hospital, department of cardilogy, Kitakyushu, Japan
| | - T Iseda
- Kokura memorial hospital, department of cardilogy, Kitakyushu, Japan
| | - K Ando
- Kokura memorial hospital, department of cardilogy, Kitakyushu, Japan
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Nagashima M, Morita J, Tohoku S, Ando K. HYBRID MINIMALLY INVASIVE APPROACH FOR TRANSVENOUS LEAD EXTRACTION IN HIGH-RISK PATIENTS. J Am Coll Cardiol 2018. [DOI: 10.1016/s0735-1097(18)30902-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Nagashima M, Morita J, Ando K. SAFETY AND EFFECTIVENESS OF TRANSVENOUS LEAD EXTRACTION IN OCTOGENARIANS. J Am Coll Cardiol 2018. [DOI: 10.1016/s0735-1097(18)30903-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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Shikama T, Miura M, Shirai S, Hayashi M, Morita J, Nagashima M, Ando K. Leadless Pacemaker Implantation Following Transcatheter Aortic Valve Implantation Using SAPIEN 3. Korean Circ J 2018; 48:534-535. [PMID: 29856150 PMCID: PMC5986755 DOI: 10.4070/kcj.2018.0024] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2018] [Revised: 03/06/2018] [Accepted: 03/14/2018] [Indexed: 11/14/2022] Open
Affiliation(s)
- Taku Shikama
- Department of Cardiology, Kokura Memorial Hospital, Kitakyushu, Japan
| | - Mizuki Miura
- Department of Cardiology, Kokura Memorial Hospital, Kitakyushu, Japan.
| | - Shinichi Shirai
- Department of Cardiology, Kokura Memorial Hospital, Kitakyushu, Japan
| | - Masaomi Hayashi
- Department of Cardiology, Kokura Memorial Hospital, Kitakyushu, Japan
| | - Junji Morita
- Department of Cardiology, Kokura Memorial Hospital, Kitakyushu, Japan
| | - Michio Nagashima
- Department of Cardiology, Kokura Memorial Hospital, Kitakyushu, Japan
| | - Kenji Ando
- Department of Cardiology, Kokura Memorial Hospital, Kitakyushu, Japan
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Morita J, Aoyama T, Sugano N, Sato T, Amano S, Nagashima T, Ishikawa Y, Taguri M, Yamanaka T, Yamamoto Y, Oshima T, Yukawa N, Rino Y, Masuda M. Randomized phase II study of TJ-54 (Yokukansan) for postoperative delirium in gastrointestinal and lung malignancy patients. Ann Oncol 2017. [DOI: 10.1093/annonc/mdx676.014] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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34
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Kawahata I, Lai Y, Morita J, Kato S, Ohtaku S, Tomioka Y, Tabuchi A, Tsuda M, Sumi-Ichinose C, Kondo K, Izumi Y, Kume T, Akaike A, Ohashi K, Mizuno K, Hasegawa K, Ichinose H, Kobayashi K, Yamakuni T. V-1/CP complex formation is required for genetic co-regulation of adult nigrostriatal dopaminergic function via the RHO/MAL/SRF pathway in vitro and in vivo. J Neurol Sci 2017. [DOI: 10.1016/j.jns.2017.08.1021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Ando K, Nagashima M, Iseda T, Tohoku S, Morita J, Fukunaga M, Hiroshima K. 073_16212 Gender-Related Clinical Outcomes Of Catheter Ablation For Paroxysmal Atrial Fibrillation. JACC Clin Electrophysiol 2017. [DOI: 10.1016/j.jacep.2017.09.113] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Nakamura T, Oshima M, Yasuda M, Shimamura A, Morita J, Uegaki K. Alteration of molecular assembly of peroxiredoxins from hyperthermophilic archaea. J Biochem 2017; 162:415-422. [DOI: 10.1093/jb/mvx045] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2017] [Accepted: 06/09/2017] [Indexed: 11/14/2022] Open
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Nagashima M, Morita J, Iseda T, Tohoku S, Tanaka Y, Hiroshima K, Fukunaga M, Ando K. P1514Safety and effectiveness of pacemaker and implantable cardioverter defibrillator leads using a excimer laser sheath. Europace 2017. [DOI: 10.1093/ehjci/eux158.140] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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38
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Morita J, Iseda T, Ando K, Tohoku S, Fukunaga M, Nagashima M, Hiroshima K, Ando K. P889Relationship between the presence of non-pulmonary vein foci and the recurrence of atrial fibrillation in catheter ablation for persistent atrial fibrillation. Europace 2017. [DOI: 10.1093/ehjci/eux151.071] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Tohoku S, Hiroshima K, Nagashima M, Fukunaga M, Morita J, Iseda T, Ando K. P1749Outcomes of transvenous lead extraction in nonagenarians. Europace 2017. [DOI: 10.1093/ehjci/eux161.059] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Tohoku S, Hiroshima K, Nagashima M, Fukunaga M, Morita J, Iseda T, Ando K. P1750Long-term outcome after transvenous lead extraction. Europace 2017. [DOI: 10.1093/ehjci/eux161.060] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Nagashima M, Tanaka Y, Tohoku S, Hiroshima K, Iseda T, Morita J, Fukunaga M, Ando K. P1515Hybrid minimally invasive approach for transvenous lead extraction: a feasible technique in high-risk patients. Europace 2017. [DOI: 10.1093/ehjci/eux158.141] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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Nagashima M, Iseda T, Tanaka Y, Tohoku S, Ando K, Morita J, Hiroshima K, Ando K. P1424Safety and efficacy of ablation of paroxysmal atrial fibrillation in elderly patients. Europace 2017. [DOI: 10.1093/ehjci/eux158.052] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Iseda T, Hiroshima K, Nagashima M, Morita J, Tohoku S, Ando K, Ando K. P1710Effectiveness of additional substrate modification for recurrent paroxysmal atrial fibrillation patients. Europace 2017. [DOI: 10.1093/ehjci/eux161.020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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Iseda T, Hiroshima K, Nagashima M, Morita J, Tohoku S, Ando K, Ando K. 1161Efficacy of non-vitamin k antagonist oral anticoagulants for perioperative complication in patients with atrial fibrillation undergoing catheter ablation. Europace 2017. [DOI: 10.1093/ehjci/eux153] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Morita J, Ando K, Iseda T, Tohoku S, Fukunaga M, Nagashima M, Hiroshima K, Ando K. P1499Management of anticoagulation in perioperative period of cardiac implantable electrophysiological devices. Europace 2017. [DOI: 10.1093/ehjci/eux158.125] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Nakamura T, Yonezawa Y, Tsuchiya Y, Niiyama M, Ida K, Oshima M, Morita J, Uegaki K. Substrate recognition of N,N′-diacetylchitobiose deacetylase from Pyrococcus horikoshii. J Struct Biol 2016; 195:286-293. [DOI: 10.1016/j.jsb.2016.07.015] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2016] [Revised: 07/20/2016] [Accepted: 07/22/2016] [Indexed: 10/21/2022]
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Nakamura T, Niiyama M, Hashimoto W, Ida K, Abe M, Morita J, Uegaki K. Multiple crystal forms of N,N'-diacetylchitobiose deacetylase from Pyrococcus furiosus. Acta Crystallogr F Struct Biol Commun 2015; 71:657-62. [PMID: 26057790 PMCID: PMC4461325 DOI: 10.1107/s2053230x15005695] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2015] [Accepted: 03/20/2015] [Indexed: 11/10/2022] Open
Abstract
Native N,N'-diacetylchitobiose deacetylase from Pyrococcus furiosus (Pf-Dac) and its selenomethionine derivative (Se-Pf-Dac) were crystallized and analyzed in the presence and absence of cadmium ion. The four crystal structures fell into three different crystal-packing groups, with the cadmium-free Pf-Dac and Se-Pf-Dac belonging to the same space group, with homologous unit-cell parameters. The crystal structures in the presence of cadmium contained distorted octahedral cadmium complexes coordinated by three chlorides, two O atoms and an S or Se atom from the N-terminal methionine or selenomethionine, respectively. The N-terminal cadmium complex was involved in crystal contacts between symmetry-related molecules through hydrogen bonding to the N-termini. While all six N-termini of Se-Pf-Dac were involved in cadmium-complex formation, only two of the Pf-Dac N-termini participated in complex formation in the Cd-containing crystal, resulting in different crystal forms. These differences are discussed in light of the higher stability of the Cd-Se bond than the Cd-S bond. This work provides an example of the contribution of cadmium towards determining protein crystal quality and packing depending on the use of the native protein or the selenomethionine derivative.
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Affiliation(s)
- Tsutomu Nakamura
- National Institute of Advanced Industrial Science and Technology, Ikeda, Osaka 563-8577, Japan
| | - Mayumi Niiyama
- National Institute of Advanced Industrial Science and Technology, Ikeda, Osaka 563-8577, Japan
| | - Wakana Hashimoto
- National Institute of Advanced Industrial Science and Technology, Ikeda, Osaka 563-8577, Japan
- Faculty of Human Life and Science, Doshisha Women’s College of Liberal Arts, Kyoto 602-0893, Japan
| | - Kurumi Ida
- National Institute of Advanced Industrial Science and Technology, Ikeda, Osaka 563-8577, Japan
- Faculty of Human Life and Science, Doshisha Women’s College of Liberal Arts, Kyoto 602-0893, Japan
| | - Manabu Abe
- Graduate School of Science, Hiroshima University, Higashi-Hiroshima, Hiroshima 739-8526, Japan
| | - Junji Morita
- Faculty of Human Life and Science, Doshisha Women’s College of Liberal Arts, Kyoto 602-0893, Japan
| | - Koichi Uegaki
- National Institute of Advanced Industrial Science and Technology, Ikeda, Osaka 563-8577, Japan
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