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Mouser N, Ivanov A, Bhave P. An analysis of a 4:2 atrioventricular block, a rare occurrence. HeartRhythm Case Rep 2024; 10:525-528. [PMID: 39155895 PMCID: PMC11328553 DOI: 10.1016/j.hrcr.2024.05.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/20/2024] Open
Affiliation(s)
- Nicholas Mouser
- Division of Cardiovascular Medicine, Wake Forest University School of Medicine, Winston-Salem, North Carolina
| | - Alexander Ivanov
- Division of Cardiovascular Medicine, Wake Forest University School of Medicine, Winston-Salem, North Carolina
| | - Prashant Bhave
- Division of Cardiovascular Medicine, Wake Forest University School of Medicine, Winston-Salem, North Carolina
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2
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Doundoulakis I, Tsiachris D, Kordalis A, Koliastasis L, Soulaidopoulos S, Arsenos P, Xintarakou A, Bartsioka LI, Dilaveris P, Vlachopoulos C, Sideris S, Tsioufis K, Gatzoulis KA. Management of Patients With Unexplained Syncope: Derivation and Validation of a Simplified 2-Step Diagnostic Approach. J Am Heart Assoc 2023; 12:e031659. [PMID: 37982260 PMCID: PMC10727290 DOI: 10.1161/jaha.123.031659] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/06/2023] [Accepted: 09/19/2023] [Indexed: 11/21/2023]
Abstract
BACKGROUND The aim of this study was to develop a structured 2-step approach, based on noninvasive diagnostic criteria, that led to an electrophysiology study in patients with unexplained syncope. METHODS AND RESULTS Two independent cohorts were used: the derivation cohort with 665 patients based on electronic health record data to develop our 2-step diagnostic approach, and the validation cohort based on 160 prospectively screened patients, presenting with unexplained syncope episodes. Noninvasive electrocardiographic and imaging markers and an electrophysiology study-based invasive assessment were combined. A positive diagnostic approach according to our study's prespecified criteria resulted in a decision to proceed with a permanent pacemaker/implantable cardioverter-defibrillator. The primary end point was the time until the event of recurrent syncope (syncope-free survival). Number needed to treat was calculated for patients with a positive diagnostic approach. The number of patients with unexplained syncope and borderline sinus bradycardia needed to treat was 5, and the number of patients with unexplained syncope and bundle branch block needed to treat was 3 over a mean follow-up of ≈4 years. After the structured 2-step approach, the primary outcome occurred in 14 of 82 (17.1%) with a pacemaker/implantable cardioverter-defibrillator and 19 of 57 (33%) with a negative approach, with a mean follow-up of ≈2.5 years (29.29±12.58 months, P=0.03). CONCLUSIONS The low number needed to treat in the derivation cohort and the low percentage of syncope recurrence in the validation cohort supports the proposed 2-step electrophysiology-inclusive algorithm as a potentially low-cost, 1-day, structured tool for these patients.
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Affiliation(s)
- Ioannis Doundoulakis
- First Department of CardiologyNational and Kapodistrian University, Hippokration General HospitalAthensGreece
| | - Dimitris Tsiachris
- First Department of CardiologyNational and Kapodistrian University, Hippokration General HospitalAthensGreece
| | - Athanasios Kordalis
- First Department of CardiologyNational and Kapodistrian University, Hippokration General HospitalAthensGreece
| | - Leonidas Koliastasis
- First Department of CardiologyNational and Kapodistrian University, Hippokration General HospitalAthensGreece
| | - Stergios Soulaidopoulos
- First Department of CardiologyNational and Kapodistrian University, Hippokration General HospitalAthensGreece
| | - Petros Arsenos
- First Department of CardiologyNational and Kapodistrian University, Hippokration General HospitalAthensGreece
| | - Anastasia Xintarakou
- First Department of CardiologyNational and Kapodistrian University, Hippokration General HospitalAthensGreece
| | - Lamprini Iro Bartsioka
- First Department of CardiologyNational and Kapodistrian University, Hippokration General HospitalAthensGreece
| | - Polychronis Dilaveris
- First Department of CardiologyNational and Kapodistrian University, Hippokration General HospitalAthensGreece
| | - Charalambos Vlachopoulos
- First Department of CardiologyNational and Kapodistrian University, Hippokration General HospitalAthensGreece
| | - Skevos Sideris
- First Department of CardiologyNational and Kapodistrian University, Hippokration General HospitalAthensGreece
| | - Konstantinos Tsioufis
- First Department of CardiologyNational and Kapodistrian University, Hippokration General HospitalAthensGreece
| | - Konstantinos A. Gatzoulis
- First Department of CardiologyNational and Kapodistrian University, Hippokration General HospitalAthensGreece
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Doundoulakis I, Tsiachris D, Kordalis A, Soulaidopoulos S, Arsenos P, Xintarakou A, Koliastasis L, Vlachakis PK, Tsioufis K, Gatzoulis KA. Management of Patients With Unexplained Syncope and Bundle Branch Block: Predictive Factors of Recurrent Syncope. Cureus 2023; 15:e35827. [PMID: 37033500 PMCID: PMC10075189 DOI: 10.7759/cureus.35827] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/05/2023] [Indexed: 03/08/2023] Open
Abstract
Syncope in patients with bundle branch block (BBB) is often due to advanced atrioventricular (AV) block. The objective of the present "real-world" study was to evaluate the optimal management in patients with unexplained syncope and BBB and to identify factors that predict the recurrence of syncope. This is a single-center observational prospective registry of 131 consecutive patients undergoing invasive electrophysiology study (EPS) for recurrent unexplained presyncope or syncope attacks and BBB. When the EPS-derived diagnosis was reached, a decision to proceed with a permanent pacemaker was offered to the patient. An implantable loop recorder was inserted in the rest of the population. A total of 131 consecutive patients with unexplained syncope and BBB (67.2% male; age 63.7 ± 16.5 years) underwent EPS during the study period. The distribution of conduction disturbance patterns was as follows: isolated left bundle branch block (LBBB): 23.7%; LBBB with first AV block: 8.4%; isolated right bundle branch block (RBBB): 10.7%; RBBB with first AV block: 8.4%; isolated left anterior/posterior fascicular block: 13%; left anterior/posterior fascicular block with first AV block: 5.3%; isolated bifascicular block: 16.8%; and bifascicular block with first AV block: 13.7%. In the multivariate analysis, the only predictors of recurrent syncope were bifascicular block (hazard ratio (HR): 4.16, 95% confidence interval (CI): 1.29, 13.41, P: 0.017) and HV interval ≥ 60 msec (HR: 3.58, 95% CI: 1.12, 11.46, P: 0.032). An EPS-based strategy identifies a subset of patients who will benefit from permanent pacing. HV interval ≥ 60 msec and the presence of a bifascicular block were strongly related to syncope recurrence.
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Neira V, Enriquez A, Sheldon R, Hanson MG, Maxey C, Baranchuk A. Impact of bundle branch block morphology on outcomes of patients with syncope and bifascicular block: A SPRITELY (POST 3) substudy. Heart Rhythm 2023; 20:31-36. [PMID: 36184061 DOI: 10.1016/j.hrthm.2022.09.018] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/27/2022] [Revised: 09/15/2022] [Accepted: 09/22/2022] [Indexed: 01/10/2023]
Abstract
BACKGROUND Permanent pacing is often considered for patients with syncope and bifascicular block. OBJECTIVE The purpose of this study was to determine whether QRS morphology or other electrocardiographic characteristics can identify patients who may benefit from permanent pacing. METHODS The Syncope: Pacing or Recording in the Later Years (SPRITELY) trial was a multicenter trial that randomized patients with bifascicular block and syncope (n = 115) to empiric pacemaker implantation vs implantable loop recorder (ILR) monitoring. In this SPRITELY subanalysis, baseline 12-lead electrocardiograms were evaluated for bundle branch block (BBB) morphology, QRS width, and PR and QT intervals and their impact on clinical outcomes was assessed. RESULTS There were 41 patients with left BBB (36%), 69 patients with right bundle branch block (RBBB) and left anterior fascicular block (60%), and 5 patients with RBBB and left posterior fascicular block (4%). Pacemaker implant compared with ILR was associated with a significant reduction of major study-related events (MSREs) in both patients with left BBB (23.8% vs 78.9%; P = .001) and those with RBBB (27% vs 72.9%; P < .0001). Similarly, a reduction of MSREs was observed in both patients with trifascicular block (23% vs 84.6%; P < .0001) and those with bifascicular block (26.6% vs 68.9%; P = .002). In the group randomized to ILR monitoring, the type of BBB was not a predictor of recurrent syncope (P = .30), bradycardia requiring pacemaker (P = .15), or MSREs (P = .42). The presence of PR interval prolongation or QRS width in this group did not predict MSREs (P = .22 and P = .96, respectively). CONCLUSION In patients with syncope and bifascicular block, pacemaker implantation reduces adverse events as compared with ILR monitoring, irrespective of the type of BBB or the presence of PR interval prolongation.
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Affiliation(s)
- Victor Neira
- Division of Cardiology, Queen's University, Kingston, Ontario, Canada
| | - Andres Enriquez
- Division of Cardiology, Queen's University, Kingston, Ontario, Canada
| | - Robert Sheldon
- Libin Cardiovascular Institute of Alberta, University of Calgary, Calgary, Alberta, Canada
| | - Matthew G Hanson
- Division of Cardiology, Queen's University, Kingston, Ontario, Canada
| | - Connor Maxey
- Libin Cardiovascular Institute of Alberta, University of Calgary, Calgary, Alberta, Canada
| | - Adrian Baranchuk
- Division of Cardiology, Queen's University, Kingston, Ontario, Canada.
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Francisco-Pascual J, Rivas-Gándara N, Maymi-Ballesteros M, Badia-Molins C, Bach-Oller M, Benito B, Pérez-Rodón J, Santos-Ortega A, Roca-Luque I, Rodríguez-Silva J, Jordán-Marchite P, Moya-Mitjans À, Ferreira-González I. Arrhythmic risk in single or recurrent episodes of unexplained syncope with complete bundle branch block. REVISTA ESPANOLA DE CARDIOLOGIA (ENGLISH ED.) 2022:S1885-5857(22)00323-1. [PMID: 36539183 DOI: 10.1016/j.rec.2022.11.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/22/2022] [Accepted: 11/21/2022] [Indexed: 12/23/2022]
Abstract
INTRODUCTION AND OBJECTIVES Patients with a single syncopal episode (SSE) and complete bundle branch block (cBBB) are frequently managed more conservatively than patients with recurrent episodes (RSE). The objective of this study was to analyze if there are differences between patients with single or recurrent unexplained syncope and cBBB in arrhythmic risk, the diagnostic yield of tests, and clinical outcomes. METHODS Cohort study of consecutive patients with unexplained syncope and cBBB with a median follow-up time of 3 years. The patients were evaluated via a stepwise workup protocol based on electrophysiological study (EPS) and long-term follow-up with an implantable cardiac monitor. RESULTS Of the 503 patients included in the study, 238 (47.3%) had had only 1 syncopal episode. The risk of an arrhythmic syncope was similar in both groups (58.8% in SSE vs 57.0% in RSE; P=.68), also after adjustment for possible confounding variables (HR, 1.06; 95%CI, 0.81-1.38; P=.674). No significant differences between the groups were found in the EPS results and implantable cardiac monitor diagnostic yield. A total of 141 (59.2%) patients with SSE and 154 (58.1%) patients with RSE required cardiac device implantation (P=.797). After appropriate treatment, 35 (7%) patients had recurrence of syncope. The recurrence rate and mortality were also similar in both groups. CONCLUSIONS Patients with cBBB and unexplained syncope are at high risk of an arrhythmic etiology, even after the first syncopal episode. Patients with SSE and RSE have a similar arrhythmic risk and similar outcomes, and therefore there is no clinical justification for not managing them in the same manner.
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Affiliation(s)
- Jaume Francisco-Pascual
- Unitat d'Arrítmies, Servei de Cardiologia, Hospital Universitari Vall d'Hebron i Vall d'Hebron Institut de Recerca (VHIR), Vall d'Hebron Barcelona Hospital Campus, Barcelona, Spain; Departament de Medicina, Universitat Autònoma de Barcelona, Bellaterra, Barcelona, Spain; Centro de Investigación Biomédica en Red de Enfermedades Cardiovasculares (CIBERCV), Spain.
| | - Nuria Rivas-Gándara
- Unitat d'Arrítmies, Servei de Cardiologia, Hospital Universitari Vall d'Hebron i Vall d'Hebron Institut de Recerca (VHIR), Vall d'Hebron Barcelona Hospital Campus, Barcelona, Spain; Departament de Medicina, Universitat Autònoma de Barcelona, Bellaterra, Barcelona, Spain; Centro de Investigación Biomédica en Red de Enfermedades Cardiovasculares (CIBERCV), Spain.
| | - Manel Maymi-Ballesteros
- Servei de Cardiologia, Hospital Universitari Vall d'Hebron i Vall d'Hebron Institut de Recerca (VHIR), Vall d'Hebron Barcelona Hospital Campus, Barcelona, Spain
| | - Clara Badia-Molins
- Servei de Cardiologia, Hospital Universitari Vall d'Hebron i Vall d'Hebron Institut de Recerca (VHIR), Vall d'Hebron Barcelona Hospital Campus, Barcelona, Spain
| | - Montserrat Bach-Oller
- Servei de Cardiologia, Hospital Universitari Vall d'Hebron i Vall d'Hebron Institut de Recerca (VHIR), Vall d'Hebron Barcelona Hospital Campus, Barcelona, Spain
| | - Begoña Benito
- Unitat d'Arrítmies, Servei de Cardiologia, Hospital Universitari Vall d'Hebron i Vall d'Hebron Institut de Recerca (VHIR), Vall d'Hebron Barcelona Hospital Campus, Barcelona, Spain; Departament de Medicina, Universitat Autònoma de Barcelona, Bellaterra, Barcelona, Spain; Centro de Investigación Biomédica en Red de Enfermedades Cardiovasculares (CIBERCV), Spain
| | - Jordi Pérez-Rodón
- Unitat d'Arrítmies, Servei de Cardiologia, Hospital Universitari Vall d'Hebron i Vall d'Hebron Institut de Recerca (VHIR), Vall d'Hebron Barcelona Hospital Campus, Barcelona, Spain; Departament de Medicina, Universitat Autònoma de Barcelona, Bellaterra, Barcelona, Spain; Centro de Investigación Biomédica en Red de Enfermedades Cardiovasculares (CIBERCV), Spain
| | - Alba Santos-Ortega
- Unitat d'Arrítmies, Servei de Cardiologia, Hospital Universitari Vall d'Hebron i Vall d'Hebron Institut de Recerca (VHIR), Vall d'Hebron Barcelona Hospital Campus, Barcelona, Spain; Departament de Medicina, Universitat Autònoma de Barcelona, Bellaterra, Barcelona, Spain; Centro de Investigación Biomédica en Red de Enfermedades Cardiovasculares (CIBERCV), Spain
| | - Ivo Roca-Luque
- Unitat d'Arrítmies, Servei de Cardiologia, Hospital Universitari Vall d'Hebron i Vall d'Hebron Institut de Recerca (VHIR), Vall d'Hebron Barcelona Hospital Campus, Barcelona, Spain; Centro de Investigación Biomédica en Red de Enfermedades Cardiovasculares (CIBERCV), Spain; Unitat d'Arrítmies, Institut Clinic Cardiovascular, Hospital Clínic, Barcelona, Spain
| | - Jesús Rodríguez-Silva
- Unitat d'Arrítmies, Servei de Cardiologia, Hospital Universitari Vall d'Hebron i Vall d'Hebron Institut de Recerca (VHIR), Vall d'Hebron Barcelona Hospital Campus, Barcelona, Spain
| | - Pablo Jordán-Marchite
- Unitat d'Arrítmies, Servei de Cardiologia, Hospital Universitari Vall d'Hebron i Vall d'Hebron Institut de Recerca (VHIR), Vall d'Hebron Barcelona Hospital Campus, Barcelona, Spain
| | - Àngel Moya-Mitjans
- Unitat d'Arrítmies, Servei de Cardiologia, Hospital Universitari Vall d'Hebron i Vall d'Hebron Institut de Recerca (VHIR), Vall d'Hebron Barcelona Hospital Campus, Barcelona, Spain; Servei de Cardiologia, Hospital Universitari Dexeus, Barcelona, Spain
| | - Ignacio Ferreira-González
- Departament de Medicina, Universitat Autònoma de Barcelona, Bellaterra, Barcelona, Spain; Servei de Cardiologia, Hospital Universitari Vall d'Hebron i Vall d'Hebron Institut de Recerca (VHIR), Vall d'Hebron Barcelona Hospital Campus, Barcelona, Spain; Centro de Investigación Biomédica en Red de Epidemiología y Salud Pública (CIBERESP), Spain
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Carlow M, Seecheran R, Seecheran V, Persad S, Giddings S, Raza S, Dookie T, Seecheran N. Presyncope in a Patient Status Post Pectus Excavatum Repair. Int Med Case Rep J 2021; 14:385-391. [PMID: 34135644 PMCID: PMC8197592 DOI: 10.2147/imcrj.s315868] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2021] [Accepted: 05/22/2021] [Indexed: 11/23/2022] Open
Abstract
Pectus excavatum (PEX) is an anterior chest wall deformity with sternal depression relative to the costal cartilages. We describe a patient status post remote PEX repair who presented with presyncope attributed to bifascicular block, partial right ventricular outflow tract (RVOT) obstruction, and right coronary artery (RCA) ischemia. Key Clinical Message: The clinician should be cognizant of the hemodynamic impact and electrocardiographic changes in a symptomatic patient status post pectus excavatum repair.
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Affiliation(s)
- Mikhail Carlow
- Cardiology Unit, Advanced Cardiovascular Institute, Port of Spain, Trinidad and Tobago
| | - Rajeev Seecheran
- Department of Medicine, North Central Regional Health Authority, Mt. Hope, Trinidad and Tobago
| | - Valmiki Seecheran
- Department of Medicine, North Central Regional Health Authority, Mt. Hope, Trinidad and Tobago
| | - Sangeeta Persad
- Department of Medicine, North Central Regional Health Authority, Mt. Hope, Trinidad and Tobago
| | - Stanley Giddings
- Department of Clinical Medical Sciences, University of the West Indies, St. Augustine, Trinidad and Tobago
| | - Sadi Raza
- Department of Cardiovascular Services, HeartPlace Dallas, Dallas, TX, USA
| | - Taarik Dookie
- Cardiology Unit, Advanced Cardiovascular Institute, Port of Spain, Trinidad and Tobago
| | - Naveen Seecheran
- Department of Clinical Medical Sciences, University of the West Indies, St. Augustine, Trinidad and Tobago
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Abstract
Bradyarrhythmias represent a common pathology in the intensive care unit (ICU) with etiologies of varying severity. Treatment has often been focused on correcting underlying causes and may require pacing for urgent hemodynamic support. In recent years, there has been interest in physiologic pacing modalities which avoid the dyssynchrony from right ventricular (RV) only pacing. Cardiac resynchronization therapy (CRT) through biventricular pacing is a well-established device-based electrical therapy in patients with wide QRS and heart failure. Recently, it has been shown that biventricular pacing may also be pursued for hemodynamic rescue in the ICU setting. Efforts to re-engage the conduction system with His bundle pacing or further downstream have also emerged as alternative means to deliver resynchronization, with early applications in the ICU now being reported. The goal of the review is to examine bradyarrhythmia causes and management in the ICU as well as investigate new approaches in physiologic pacing and their potential roles in critically ill patients.
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Affiliation(s)
- Jonathan Lattell
- Center for Arrhythmia Care
- Heart and Vascular Institute, University of Chicago Pritzker School of Medicine, The University of Chicago Medicine, Chicago, IL, USA
| | - Gaurav A Upadhyay
- Center for Arrhythmia Care
- Heart and Vascular Institute, University of Chicago Pritzker School of Medicine, The University of Chicago Medicine, Chicago, IL, USA
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Luna-López R, Datino T, Espinosa MÁ, Fernández-Avilés F, Arenal Á. Permanent atrioventricular block after flecainide testing. REVISTA ESPANOLA DE CARDIOLOGIA (ENGLISH ED.) 2020; 73:177-178. [PMID: 31631050 DOI: 10.1016/j.rec.2019.06.016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/15/2019] [Accepted: 06/26/2019] [Indexed: 06/10/2023]
Affiliation(s)
- Raquel Luna-López
- Servicio de Cardiología, Hospital General Universitario Gregorio Marañón, Instituto de Investigación Sanitaria del Hospital General Universitario Gregorio Marañón, CIBERCV, Universidad Complutense de Madrid, Madrid, Spain
| | - Tomás Datino
- Servicio de Cardiología, Hospital General Universitario Gregorio Marañón, Instituto de Investigación Sanitaria del Hospital General Universitario Gregorio Marañón, CIBERCV, Universidad Complutense de Madrid, Madrid, Spain.
| | - María Ángeles Espinosa
- Servicio de Cardiología, Hospital General Universitario Gregorio Marañón, Instituto de Investigación Sanitaria del Hospital General Universitario Gregorio Marañón, CIBERCV, Universidad Complutense de Madrid, Madrid, Spain
| | - Francisco Fernández-Avilés
- Servicio de Cardiología, Hospital General Universitario Gregorio Marañón, Instituto de Investigación Sanitaria del Hospital General Universitario Gregorio Marañón, CIBERCV, Universidad Complutense de Madrid, Madrid, Spain
| | - Ángel Arenal
- Servicio de Cardiología, Hospital General Universitario Gregorio Marañón, Instituto de Investigación Sanitaria del Hospital General Universitario Gregorio Marañón, CIBERCV, Universidad Complutense de Madrid, Madrid, Spain
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Luna-López R, Datino T, Espinosa MÁ, Fernández-Avilés F, Arenal Á. Bloqueo auriculoventricular permanente tras test de flecainida. Rev Esp Cardiol (Engl Ed) 2020. [DOI: 10.1016/j.recesp.2019.06.020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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10
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Syncope, conduction disturbance, and negative electrophysiological test: Predictive factors and risk score to predict pacemaker implantation during follow-up. Heart Rhythm 2019; 16:905-912. [PMID: 30576876 DOI: 10.1016/j.hrthm.2018.12.015] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/02/2018] [Indexed: 12/27/2022]
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11
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Das A, Chatterjee S. Feasibility of RA-LV pacing in patients with symptomatic left bundle branch block: a pilot study. Heart Vessels 2019; 34:1552-1558. [PMID: 30963301 DOI: 10.1007/s00380-019-01390-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/07/2018] [Accepted: 03/22/2019] [Indexed: 11/29/2022]
Abstract
Several studies have reported the adverse effects of right ventricular apical pacing. Permanent His bundle pacing is proved to be the most physiological. But it can be technically difficult sometimes. One recent large multicenter randomized trial showed that pacing from left ventricular apex or mid-lateral wall has the greatest potential to prevent pacing-induced reduction of cardiac pump function (by maintaining left ventricular mechanical synchrony) and, therefore, can be considered as physiological site. In our study, we have wanted to see the outcome of left ventricular pacing through coronary sinus branch with active fixation bipolar lead as a routine pacing technique in patients with symptomatic left bundle branch block. In our study we have recruited 27 patients for left ventricular pacing through coronary sinus branch (as done in cardiac resynchronization therapy) with active fixation bipolar lead and 33 patients for right ventricular apical pacing (control) and compared left ventricular pacing with right ventricular apical pacing in patients with history of syncope with left bundle branch block in baseline electrocardiography who presented with atrio-ventricular block or prolonged HV interval (≥ 70 ms) on electrophysiology study in term of procedure and fluoroscopy time and short-term lead performance and left ventricular function. The results of our study showed that left ventricular pacing through a tributary of coronary sinus is associated with shortened QRS duration (21.10 ± 3.92 ms) and better LV function (higher left ventricular ejection fraction 64.00 ± 3.03 vs. 59.73 ± 6.73 and lower left ventricular diastolic internal diameter 4.58 ± 0.32 vs. 5.23 ± 0.40 cm) in comparison to right ventricular apical pacing. However, the total procedure time and fluoroscopy time was significantly higher (73.75 ± 11.02 vs. 63.32 ± 6.06 min and 7.08 ± 1.48 vs. 5.02 ± 1.39 min, respectively) in left ventricular pacing group. The results of this study indicate that transvenous left ventricular epicardial pacing may be an option for physiological pacing in patients with symptomatic left bundle branch block.
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Affiliation(s)
- Asit Das
- Department of Cardiology, IPGME&R and SSKM Hospital, Flat-B1, GB-43, Narayantala (west), DB Nagar, Kolkata, West Bengal, 700059, India.
| | - Suman Chatterjee
- Department of Cardiology, IPGME&R and SSKM Hospital, Flat-B1, GB-43, Narayantala (west), DB Nagar, Kolkata, West Bengal, 700059, India
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Roca-Luque I, Francisco-Pasqual J, Oristrell G, Rodríguez-García J, Santos-Ortega A, Martin-Sanchez G, Rivas-Gandara N, Perez-Rodon J, Ferreira-Gonzalez I, García-Dorado D, Moya-Mitjans A. Flecainide Versus Procainamide in Electrophysiological Study in Patients With Syncope and Wide QRS Duration. JACC Clin Electrophysiol 2019; 5:212-219. [PMID: 30784693 DOI: 10.1016/j.jacep.2018.09.015] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2018] [Revised: 09/07/2018] [Accepted: 09/20/2018] [Indexed: 12/14/2022]
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13
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Pham TH, Amsterdam E, Glassy MS. Syncope With Bifascicular Block Due to Infra-Hisian Wenckebach Conduction Abnormality. JAMA Intern Med 2018; 178:1408-1410. [PMID: 30128476 DOI: 10.1001/jamainternmed.2018.3951] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Affiliation(s)
- Tai H Pham
- Division of Cardiovascular Medicine, University of California (Davis) Medical Center, Sacramento
| | - Ezra Amsterdam
- Division of Cardiovascular Medicine, University of California (Davis) Medical Center, Sacramento
| | - Matthew S Glassy
- Division of Cardiovascular Medicine, University of California (Davis) Medical Center, Sacramento
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14
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Syncope and bundle branch block. Herzschrittmacherther Elektrophysiol 2018; 29:161-165. [PMID: 29696347 DOI: 10.1007/s00399-018-0560-4] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2018] [Accepted: 04/03/2018] [Indexed: 01/14/2023]
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15
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Bogossian H, Frommeyer G, Göbbert K, Hasan F, Nguyen QS, Ninios I, Mijic D, Bandorski D, Hoeltgen R, Seyfarth M, Lemke B, Eckardt L, Zarse M. Is there a prognostic relevance of electrophysiological studies in bundle branch block patients? Clin Cardiol 2017; 40:575-579. [PMID: 28294370 DOI: 10.1002/clc.22700] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/17/2016] [Revised: 02/03/2017] [Accepted: 02/09/2017] [Indexed: 11/07/2022] Open
Abstract
BACKGROUND The present European guidelines suggest a diagnostic electrophysiological (EP) study to determine indication for cardiac pacing in patients with bundle branch block and unexplained syncope. We evaluated the prognostic relevance of an EP study for mortality and the development of permanent complete atrioventricular (AV) block in patients with symptomatic bifascicular block and first-degree AV block. HYPOTHESIS The HV interval is a poor prognostic marker to predict the development of permanent AV block in patients with symptomatic bifascicular block (BFB) and AV block I°. METHODS Thirty consecutive patients (mean age, 74.8 ± 8.6 years; 25 males) with symptomatic BFB and first-degree AV block underwent an EP study before device implantation, according to current guidelines. For 53 ± 31 months, patients underwent yearly follow-up screening for syncope or higher-degree AV block. RESULTS Thirty patients presented with prolonged HV interval during the EP study (mean, 82.2 ± 20.1 ms; range, 57-142 ms), classified into 3 groups: group 1, <70 ms (mean, 62 ± 4 ms; range, 57-67 ms; n = 7), group 2, >70 to ≤100 ms (mean, 80 ± 8 ms; range, 70-97 ms; n = 18), and group 3, >100 ms (mean, 119 ± 14 ms; range, 107-142 ms; n = 5). According to the guidelines, patients in groups 2 and 3 received a pacemaker. The length of the HV interval was not associated with the later development of third-degree AV block or with increased mortality. CONCLUSIONS Our present study suggests that an indication for pacemaker implantation based solely on a diagnostic EP study with prolongation of the HV interval is not justified.
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Affiliation(s)
- Harilaos Bogossian
- Department of Cardiology and Angiology, Lüdenscheid Clinic, Märkische Clinics GmbH, Lüdenscheid, Germany
- Department of Cardiology, Witten/Herdecke University, Germany
| | - Gerrit Frommeyer
- Division of Electrophysiology, Department of Cardiovascular Medicine, University of Münster, Germany
| | - Kornelius Göbbert
- Department of Cardiology and Angiology, Lüdenscheid Clinic, Märkische Clinics GmbH, Lüdenscheid, Germany
| | - Fuad Hasan
- Department of Cardiology and Angiology, Lüdenscheid Clinic, Märkische Clinics GmbH, Lüdenscheid, Germany
| | - Quy Suu Nguyen
- Department of Cardiology and Angiology, Lüdenscheid Clinic, Märkische Clinics GmbH, Lüdenscheid, Germany
| | - Ilias Ninios
- Department of Cardiology and Angiology, Lüdenscheid Clinic, Märkische Clinics GmbH, Lüdenscheid, Germany
| | - Dejan Mijic
- Department of Cardiology and Angiology, Lüdenscheid Clinic, Märkische Clinics GmbH, Lüdenscheid, Germany
| | - Dirk Bandorski
- Department of Cardiology and Angiology, Lüdenscheid Clinic, Märkische Clinics GmbH, Lüdenscheid, Germany
| | - Reinhard Hoeltgen
- Medical Clinic-Cardiology/Electrophysiology, Westmünsterland Clinic, St. Agnes-Hospital Bocholt I, Bocholt, Germany
| | - Melchior Seyfarth
- Department of Cardiology, HELIOS University Hospital Wuppertal, Germany
- Department of Cardiology, Witten/Herdecke University, Germany
| | - Bernd Lemke
- Department of Cardiology and Angiology, Lüdenscheid Clinic, Märkische Clinics GmbH, Lüdenscheid, Germany
| | - Lars Eckardt
- Division of Electrophysiology, Department of Cardiovascular Medicine, University of Münster, Germany
| | - Markus Zarse
- Department of Cardiology and Angiology, Lüdenscheid Clinic, Märkische Clinics GmbH, Lüdenscheid, Germany
- Department of Cardiology, Witten/Herdecke University, Germany
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Israel C, Bänsch D, Breithardt O, Butter C, Klingenheben T, Kolb C, Lemke B, Wiegand U, Nowak B. Kommentar zu den neuen ESC-Leitlinien zur Schrittmacher- und kardialen Resynchronisationstherapie. DER KARDIOLOGE 2015. [DOI: 10.1007/s12181-014-0650-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Corcoran SJ, Davis LM. Cardiac Implantable Electronic Device Therapy for Bradyarrhythmias and Tachyarrhythmias. Heart Lung Circ 2012; 21:328-37. [DOI: 10.1016/j.hlc.2012.03.009] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2011] [Revised: 03/12/2012] [Accepted: 03/14/2012] [Indexed: 11/27/2022]
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Krahn AD, Morillo CA, Kus T, Manns B, Rose S, Brignole M, Sheldon RS. Empiric pacemaker compared with a monitoring strategy in patients with syncope and bifascicular conduction block--rationale and design of the Syncope: Pacing or Recording in ThE Later Years (SPRITELY) study. Europace 2012; 14:1044-8. [DOI: 10.1093/europace/eus005] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Abstract
This article contains a review of the current status of remote monitoring and follow-up involving cardiac pacing devices and of the latest developments in cardiac resynchronization therapy. In addition, the most important articles published in the last year are discussed.
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Azocar D, Ruiz-Granell R, Ferrero A, Martínez-Brotons Á, Izquierdo M, Domínguez E, Palau P, Morell S, García-Civera R. Síncope y bloqueo de rama. Rendimiento del uso escalonado del estudio electrofisiológico y de la monitorización electrocardiográfica prolongada. Rev Esp Cardiol 2011; 64:213-9. [DOI: 10.1016/j.recesp.2010.10.016] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2010] [Accepted: 10/17/2010] [Indexed: 10/18/2022]
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