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Kowlgi GN, Giudicessi JR, Barake W, Bos JM, Ackerman MJ. Efficacy of intentional permanent atrial pacing in the long‐term management of congenital long QT syndrome. J Cardiovasc Electrophysiol 2021; 32:782-789. [DOI: 10.1111/jce.14920] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/29/2020] [Revised: 12/21/2020] [Accepted: 01/02/2021] [Indexed: 12/11/2022]
Affiliation(s)
- Gurukripa N. Kowlgi
- Division of Heart Rhythm Services, Department of Cardiovascular Medicine, Windland Smith Rice Genetic Heart Rhythm Clinic Mayo Clinic Rochester Minnesota USA
| | - John R. Giudicessi
- Division of Heart Rhythm Services, Department of Cardiovascular Medicine, Windland Smith Rice Genetic Heart Rhythm Clinic Mayo Clinic Rochester Minnesota USA
| | - Walid Barake
- Division of Heart Rhythm Services, Department of Cardiovascular Medicine, Windland Smith Rice Genetic Heart Rhythm Clinic Mayo Clinic Rochester Minnesota USA
| | - J. Martijn Bos
- Windland Smith Rice Sudden Death Genomics Laboratory, Department of Molecular Pharmacology and Experimental Therapeutics, Mayo Clinic College of Biomedical Sciences Mayo Clinic Rochester Minnesota USA
| | - Michael J. Ackerman
- Division of Heart Rhythm Services, Department of Cardiovascular Medicine, Windland Smith Rice Genetic Heart Rhythm Clinic Mayo Clinic Rochester Minnesota USA
- Division of Pediatric Cardiology, Department of Pediatric and Adolescent Medicine Mayo Clinic Rochester Minnesota USA
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Riesz TJ, Pap R, Sághy L. Converging “railroad track” appearance on the interval plot of ventricular arrhythmia episodes stored by an ICD. Pacing Clin Electrophysiol 2019; 42:1144-1145. [DOI: 10.1111/pace.13753] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/04/2019] [Revised: 06/12/2019] [Accepted: 06/19/2019] [Indexed: 11/28/2022]
Affiliation(s)
- Tamás János Riesz
- Electrophysiology Division, Second Department of Internal Medicine and Cardiology CentreUniversity of Szeged Szeged Hungary
| | - Róbert Pap
- Electrophysiology Division, Second Department of Internal Medicine and Cardiology CentreUniversity of Szeged Szeged Hungary
| | - László Sághy
- Electrophysiology Division, Second Department of Internal Medicine and Cardiology CentreUniversity of Szeged Szeged Hungary
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Sun YX, Gao J, Jiang CY, Xue YM, Xu YZ, Liu G, Guo JH, Sheng X, Ye Y, He H, Zhao YT, Barajas-Martinez H, Fu GS, Hu D. T Wave Safety Margin during the Process of ICD Implantation As a Novel Predictor of T Wave Oversensing. Front Physiol 2017; 8:659. [PMID: 28919866 PMCID: PMC5585188 DOI: 10.3389/fphys.2017.00659] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2017] [Accepted: 08/18/2017] [Indexed: 11/13/2022] Open
Abstract
Introduction: T wave oversensing (TWOS) is a major drawback of implantable cardioverter defibrillator (ICD) and data on predictors of TWOS in ICD is limited. We aimed to calculate a novel index of T wave safety margin (TWSM) and assess its potential for evaluating TWOS during the procedure of ICD implantation. Methods and Results: Thirty-two consecutive patients with ICD implantation were enrolled. During each procedure of ICD implantation, different ICD generators were connected to implanted sensing lead through active-fixation leads and bridging cables. R and T wave amplitudes were measured on ICD printouts according to the gain. The ICDs were programed to the most sensitive settings to reveal possible TWOS. A novel index TWSM was calculated according to the corresponding sensing algorithm of ICD. There was discrepancy of R wave amplitudes measured by different ICDs (P < 0.01). In Fortify and Teligen ICDs, T wave amplitudes showed no difference (P > 0.05) and TWSMs were sufficiently high (post sensing: 13.0 ± 7.6 and 28.3 ± 16.5, respectively, post pacing: 5.0 ± 2.2 and 4.6 ± 0.9, respectively). In nine patients with 10 TWOS episodes detected during the procedure of ICD implantation, generators with the highest TWSM were chosen. Only one TWOS episode during pacing was recorded during the 25 ± 7 mo follow-up period. Conclusions: We first propose the index of TWSM during ICD implantation as a potentially efficient predictor for TWOS. Evaluation of TWSM might help to reduce TWOS episodes in patients with high risk of TWOS. Prospective studies are warranted to validate this index and its potential to reduce TWOS episodes.
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Affiliation(s)
- Ya-Xun Sun
- Department of Cardiology, Sir Run Run Shaw Hospital, Zhejiang University School of MedicineHangzhou, China
| | - Jing Gao
- Department of Cardiology, Sir Run Run Shaw Hospital, Zhejiang University School of MedicineHangzhou, China
| | - Chen-Yang Jiang
- Department of Cardiology, Sir Run Run Shaw Hospital, Zhejiang University School of MedicineHangzhou, China
| | - Yu-Mei Xue
- Department of Cardiology, Guangdong Cardiovascular Institute, Guangdong General HospitalGuangzhou, China
| | - Yi-Zhou Xu
- Department of Cardiology, Hangzhou First People's HospitalHangzhou, China
| | - Gang Liu
- Department of Cardiology, First Hospital of Hebei Medical UniversityShijiazhuang, China
| | - Ji-Hong Guo
- Division of Cardiology, Peking University People's HospitalBeijing, China
| | - Xia Sheng
- Department of Cardiology, Sir Run Run Shaw Hospital, Zhejiang University School of MedicineHangzhou, China
| | - Yang Ye
- Department of Cardiology, Sir Run Run Shaw Hospital, Zhejiang University School of MedicineHangzhou, China
| | - Hong He
- Department of Cardiology, Sir Run Run Shaw Hospital, Zhejiang University School of MedicineHangzhou, China
| | - Yun-Tao Zhao
- Department of Cardiology, Aerospace Center HospitalBeijing, China
| | | | - Guo-Sheng Fu
- Department of Cardiology, Sir Run Run Shaw Hospital, Zhejiang University School of MedicineHangzhou, China
| | - Dan Hu
- Masonic Medical Research LaboratoryUtica, NY, United States.,Department of Cardiology and Cardiovascular Research Institute, Renmin Hospital of Wuhan UniversityWuhan, China
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The Jervell and Lange-Nielsen syndrome; atrial pacing combined with ß-blocker therapy, a favorable approach in young high-risk patients with long QT syndrome? Heart Rhythm 2016; 13:2186-2192. [DOI: 10.1016/j.hrthm.2016.07.020] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/23/2015] [Indexed: 11/17/2022]
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