1
|
Vamos M, Zsigmond EJ, Biffi M, Gausz FD, Keller N, Kupo P, Szili-Torok T, Ziacchi M, Benz AP, Spittler R, Vagvolgyi A. Efficacy and safety of the subcutaneous implantable cardioverter-defibrillator in patients with and without obesity: A meta-analysis. Heart Rhythm 2024:S1547-5271(24)02902-3. [PMID: 39019386 DOI: 10.1016/j.hrthm.2024.07.021] [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: 06/03/2024] [Revised: 06/25/2024] [Accepted: 07/11/2024] [Indexed: 07/19/2024]
Abstract
BACKGROUND The subcutaneous implantable cardioverter-defibrillator (S-ICD) has emerged as an alternative to transvenous systems for prevention of sudden cardiac death. However, concerns have been raised regarding its efficacy and safety in obese individuals. OBJECTIVE The purpose of this study was to perform a meta-analysis to evaluate the efficacy and safety of the S-ICD in patients with obesity by assessing the relationship between body mass index (BMI) and clinical outcomes. METHODS A comprehensive search of multiple databases was conducted for English-language peer-reviewed studies reporting clinical outcomes in S-ICD recipients with (BMI ≥30 kg/m2) and without obesity (BMI <30 kg/m2). Data on preimplantation screening failure, defibrillation testing, complications, appropriate and inappropriate shocks, and survival were analyzed using standard, random-effects, meta-analytical techniques. RESULTS Twenty-nine studies involving 20,486 patients were included. There was no statistically significant difference in mean BMI values of patients with failed or successful preimplantation screening (mean difference -0.60 kg/m2; 95% confidence interval [CI] -2.06 to 0.86). Obesity was associated with higher rates of failed defibrillation testing at ≤65 J (odds ratio [OR] 2.16; 95% CI 1.39-3.35), and malpositioning/suboptimal positioning occurred more frequently in obese compared to nonobese patients (OR 3.37; 95% CI 1.76-6.44). Increased BMI as a continuous variable (per increase in 1 kg/m2 BMI) was associated with elevated defibrillation thresholds (OR 1.05; 95% CI 1.03-1.08); higher risk of complications (hazard ratio [HR] 1.04; 95% CI 1.02-1.05); a trend toward an increased number of appropriate shocks (HR 1.02; 95% CI 1.00-1.04); and no significant increase in the risk of inappropriate shocks (HR 1.01; 95% CI 0.99-1.03). CONCLUSION This meta-analysis underscores the importance of considering obesity in S-ICD implantation decisions. Although S-ICD remains effective in obese patients, attention to potential technical challenges and higher complication rates is warranted.
Collapse
Affiliation(s)
- Mate Vamos
- Cardiac Electrophysiology Division, Cardiology Center, Department of Internal Medicine, University of Szeged, Szeged, Hungary.
| | - Elod-Janos Zsigmond
- Central Hospital of Northern Pest-Military Hospital, Budapest, Hungary; Doctoral School of Clinical Medicine, University of Szeged, Szeged, Hungary
| | - Mauro Biffi
- Department of Cardiology, IRCCS Azienda Ospedaliero Universitaria di Bologna, Bologna, Italy
| | - Flora Diana Gausz
- Cardiac Electrophysiology Division, Cardiology Center, Department of Internal Medicine, University of Szeged, Szeged, Hungary
| | - Nora Keller
- Central Pharmacy, Albert Szent-Györgyi Medical Centre, University of Szeged, Szeged, Hungary
| | - Peter Kupo
- Heart Institute, Medical School, University of Pecs, Pecs, Hungary
| | - Tamas Szili-Torok
- Cardiac Electrophysiology Division, Cardiology Center, Department of Internal Medicine, University of Szeged, Szeged, Hungary
| | - Matteo Ziacchi
- Department of Cardiology, IRCCS Azienda Ospedaliero Universitaria di Bologna, Bologna, Italy
| | - Alexander P Benz
- Department of Cardiology, University Medical Center Mainz, Johannes Gutenberg-University, Mainz, Germany; Population Health Research Institute, McMaster University, Hamilton, Canada
| | - Raphael Spittler
- Department of Cardiology, University Medical Center Mainz, Johannes Gutenberg-University, Mainz, Germany
| | - Anna Vagvolgyi
- Endocrinology and Diabetology Center, Department of Internal Medicine, University of Szeged, Szeged, Hungary
| |
Collapse
|
2
|
Kohli U, von Alvensleben J, Srinivasan C. Subcutaneous Implantable Cardioverter Defibrillators in Pediatrics and Congenital Heart Disease. Card Electrophysiol Clin 2023; 15:e1-e16. [PMID: 38030336 DOI: 10.1016/j.ccep.2023.09.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2023]
Abstract
Subcutaneous implantable cardioverter defibrillators (S-ICDs) are being used with increased frequency in children and patients with congenital heart disease. Vascular access complexities, intracardiac shunts, and specific anatomies make these devices particularly appealing for some of these patients. Alternative screening, implantation, and programming techniques should be considered based on patient size, body habitus, anatomy, procedural history, and preference. Appropriate and inappropriate shock rates are generally comparable to those seen with transvenous devices. Complications such as infection can occur, although their severity is likely to be less than that seen with transvenous devices. Technical advances are likely to further broaden S-ICD applicability.
Collapse
Affiliation(s)
- Utkarsh Kohli
- Division of Pediatric Cardiology, Department of Pediatrics, West Virginia University School of Medicine and West Virginia University Children's Heart Center, 64 Medical Center Drive, Robert C. Byrd Health Science Center, PO Box 9214, Morgantown, WV 26506-9214, USA.
| | - Johannes von Alvensleben
- Children's Hospital Colorado, University of Colorado School of Medicine, 13123 East 16th Avenue, Aurora, CO 80045 720-777-1234, USA
| | - Chandra Srinivasan
- The Children's Hospital of Philadelphia; University of Perelman School of Medicine, 3401 Civic Center Boulevard, Philadelphia, PA 19104, USA
| |
Collapse
|
3
|
Calvagna GM, Valsecchi S. Simultaneous subcutaneous implantable cardioverter-defibrillator and leadless pacemaker implantation for patients at high risk of infection: a retrospective case series report. J Interv Card Electrophysiol 2023:10.1007/s10840-023-01684-9. [PMID: 37938506 DOI: 10.1007/s10840-023-01684-9] [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: 07/26/2023] [Accepted: 10/25/2023] [Indexed: 11/09/2023]
Abstract
BACKGROUND The subcutaneous implantable cardioverter defibrillator (S-ICD) and leadless pacemaker (LP) are alternative options for patients at high risk of infection requiring ICD and pacing therapy. In this analysis, we described the simultaneous implantation of S-ICD and LP in patients with high infectious risk. METHODS The study cohort comprised patients referred to our institution for ICD implantation due to high-risk factors of infection. RESULTS Between 2018 and 2022, 13 patients were referred, including 11 with infected ICD and 2 for first ICD implantation in the presence of high-risk factors. In cases of infected ICD, successful extraction was performed using a mechanical dilatation technique. Reimplantation was delayed until resolution of infection with antibiotic therapy. The devices were implanted during a single procedure, with S-ICD implantation following LP placement for verification of sensing adequacy through surface ECG screening. Suitable vectors for sensing during inhibited and ventricular pacing were identified in all patients. Defibrillation testing was effective, and no issues with double counting or undersensing were observed. The postoperative period was uneventful, and during a median follow-up of 35 months, no complications or infections were reported. The median ventricular pacing percentage was 5%, and a single inappropriate shock episode due to myopotential interference was reported and resolved by reprogramming the sensing vector. CONCLUSION Simultaneous implantation of S-ICD and LP is feasible and safe in patients at high risk of infection requiring both ICD and pacing therapy. This combined approach provides an effective solution for these patients.
Collapse
|
4
|
Conte G, Cattaneo F, de Asmundis C, Berne P, Vicentini A, Namdar M, Scalone A, Klersy C, Caputo ML, Demarchi A, Özkartal T, Salghetti F, Casu G, Passarelli I, Mameli S, Shah D, Burri H, De Ferrari G, Brugada P, Auricchio A. Impact of SMART Pass filter in patients with ajmaline-induced Brugada syndrome and subcutaneous implantable cardioverter-defibrillator eligibility failure: results from a prospective multicentre study. Europace 2022; 24:845-854. [PMID: 34499723 PMCID: PMC9071063 DOI: 10.1093/europace/euab230] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2021] [Accepted: 08/11/2021] [Indexed: 12/03/2022] Open
Abstract
AIMS Ajmaline challenge can unmask subcutaneous implantable cardioverter-defibrillator (S-ICD) screening failure in patients with Brugada syndrome (BrS) and non-diagnostic baseline electrocardiogram (ECG). The efficacy of the SMART Pass (SP) filter, a high-pass filter designed to reduce cardiac oversensing (while maintaining an appropriate sensing margin), has not yet been assessed in patients with BrS. The aim of this prospective multicentre study was to investigate the effect of the SP filter on dynamic Brugada ECG changes evoked by ajmaline and to assess its value in reducing S-ICD screening failure in patients with drug-induced Brugada ECGs. METHODS AND RESULTS The S-ICD screening with conventional automated screening tool (AST) was performed during ajmaline challenge in subjects with suspected BrS. The S-ICD recordings were obtained before, during and after ajmaline administration and evaluated by the means of a simulation model that emulates the AST behaviour with and without SP filter. A patient was considered suitable for S-ICD if at least one sensing vector was acceptable in all tested postures. A sensing vector was considered acceptable in the presence of QRS amplitude >0.5 mV, QRS/T-wave ratio >3.5, and sense vector score >100. Of the 126 subjects (mean age: 42 ± 14 years, males: 61%, sensing vectors: 6786), 46 (36%) presented with an ajmaline-induced Brugada type 1 ECG. Up to 30% of subjects and 40% of vectors failed the screening during the appearance of Brugada type 1 ECG evoked by ajmaline. The S-ICD screening failure rate was not significantly reduced in patients with Brugada ECGs when SP filter was enabled (30% vs. 24%). Similarly, there was only a trend in reduction of vector-failure rate attributable to the SP filter (from 40% to 36%). The most frequent reason for screening failure was low QRS amplitude or low QRS/T-wave ratio. None of these patients was implanted with an S-ICD. CONCLUSION Patients who pass the sensing screening during ajmaline can be considered good candidates for S-ICD implantation, while those who fail might be susceptible to sensing issues. Although there was a trend towards reduction of vector sensing failure rate when SP filter was enabled, the reduction in S-ICD screening failure in patients with Brugada ECGs did not reach statistical significance. CLINICAL TRIAL REGISTRATION https://clinicaltrials.gov Unique Identifier NCT04504591.
Collapse
Affiliation(s)
- Giulio Conte
- Division of Cardiology, Cardiocentro Ticino, Lugano, Switzerland
- Centre for Computational Medicine in Cardiology, Faculty of Informatics, Università della Svizzera Italiana, Lugano, Switzerland
- Faculty of Biomedical Sciences, USI, Lugano, Switzerland
| | - Fabio Cattaneo
- Division of Cardiology, Cardiocentro Ticino, Lugano, Switzerland
| | - Carlo de Asmundis
- Heart Rhythm Management Centre, Universitair Ziekenhuis Brussel—Postgraduate program Cardiac Electrophysiology and Pacing, Vrije Universiteit Brussel, Brussels, Belgium
| | - Paola Berne
- Cardiology Department, Ospedale San Francesco, Nuoro, Italy
| | - Alessandro Vicentini
- Elettrofisiologia ed Elettrostimolazione, Divisione di Cardiologia, IRCCS Policlinico S. Matteo, Pavia, Italy
| | - Mehdi Namdar
- Cardiology Department, University Hospital of Geneva, Switzerland
| | | | - Catherine Klersy
- Service of Biometry and Clinical Epidemiology, Fondazione IRCCS Policlinico San Matteo, Pavia, Italy
| | | | - Andrea Demarchi
- Division of Cardiology, Cardiocentro Ticino, Lugano, Switzerland
| | - Tardu Özkartal
- Division of Cardiology, Cardiocentro Ticino, Lugano, Switzerland
| | - Francesca Salghetti
- Heart Rhythm Management Centre, Universitair Ziekenhuis Brussel—Postgraduate program Cardiac Electrophysiology and Pacing, Vrije Universiteit Brussel, Brussels, Belgium
| | - Gavino Casu
- Cardiology Department, Ospedale San Francesco, Nuoro, Italy
| | - Ilaria Passarelli
- Elettrofisiologia ed Elettrostimolazione, Divisione di Cardiologia, IRCCS Policlinico S. Matteo, Pavia, Italy
| | | | - Dipen Shah
- Cardiology Department, University Hospital of Geneva, Switzerland
| | - Haran Burri
- Cardiology Department, University Hospital of Geneva, Switzerland
| | - Gaetano De Ferrari
- Elettrofisiologia ed Elettrostimolazione, Divisione di Cardiologia, IRCCS Policlinico S. Matteo, Pavia, Italy
| | - Pedro Brugada
- Heart Rhythm Management Centre, Universitair Ziekenhuis Brussel—Postgraduate program Cardiac Electrophysiology and Pacing, Vrije Universiteit Brussel, Brussels, Belgium
| | - Angelo Auricchio
- Division of Cardiology, Cardiocentro Ticino, Lugano, Switzerland
- Centre for Computational Medicine in Cardiology, Faculty of Informatics, Università della Svizzera Italiana, Lugano, Switzerland
- Faculty of Biomedical Sciences, USI, Lugano, Switzerland
| |
Collapse
|
5
|
Wang L, Javadekar N, Rajagopalan A, Rogovoy NM, Haq KT, Broberg CS, Tereshchenko LG. Eligibility for subcutaneous implantable cardioverter-defibrillator in congenital heart disease. Heart Rhythm 2021; 17:860-869. [PMID: 32354451 DOI: 10.1016/j.hrthm.2020.01.016] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/13/2019] [Accepted: 01/08/2020] [Indexed: 02/02/2023]
Abstract
BACKGROUND Adult congenital heart disease (ACHD) patients can benefit from a subcutaneous implantable cardioverter-defibrillator (S-ICD). OBJECTIVE The purpose of this study was to assess left- and right-sided S-ICD eligibility in ACHD patients, use machine learning to predict S-ICD eligibility in ACHD patients, and transform 12-lead electrocardiogram (ECG) to S-ICD 3-lead ECG, and vice versa. METHODS ACHD outpatients (n = 101; age 42 ± 14 years; 52% female; 85% white; left ventricular ejection fraction [LVEF] 56% ± 9%) were enrolled in a prospective study. Supine and standing 12-lead ECG were recorded simultaneously with a right- and left-sided S-ICD 3-lead ECG. Peak-to-peak QRS and T amplitudes; RR, PR, QT, QTc, and QRS intervals; Tmax, and R/Tmax (31 predictor variables) were tested. Model selection, training, and testing were performed using supine ECG datasets. Validation was performed using standing ECG datasets and an out-of-sample non-ACHD population (n = 68; age 54 ± 16 years; 54% female; 94% white; LVEF 61% ± 8%). RESULTS Forty percent of participants were ineligible for S-ICD. Tetralogy of Fallot patients passed right-sided screening (57%) more often than left-sided screening (21%; McNemar χ2P = .025). Female participants had greater odds of eligibility (adjusted odds ratio [OR] 5.9; 95% confidence interval [CI] 1.6-21.7; P = .008). Validation of the ridge models was satisfactory for standing left-sided (receiver operating characteristic area under the curve [ROC AUC] 0.687; 95% CI 0.582-0.791) and right-sided (ROC AUC 0.655; 95% CI 0.549-0.762) S-ICD eligibility prediction. Validation of transformation matrices showed satisfactory agreement (<0.1 mV difference). CONCLUSION Nearly half of the contemporary ACHD population is ineligible for S-ICD. The odds of S-ICD eligibility are greater for female than for male ACHD patients. Machine learning prediction of S-ICD eligibility can be used for screening of S-ICD candidates.
Collapse
Affiliation(s)
- Linda Wang
- Oregon Health & Science University, Knight Cardiovascular Institute, Portland, Oregon
| | - Neeraj Javadekar
- Oregon Health & Science University, Knight Cardiovascular Institute, Portland, Oregon
| | - Ananya Rajagopalan
- Oregon Health & Science University, Knight Cardiovascular Institute, Portland, Oregon
| | - Nichole M Rogovoy
- Oregon Health & Science University, Knight Cardiovascular Institute, Portland, Oregon
| | - Kazi T Haq
- Oregon Health & Science University, Knight Cardiovascular Institute, Portland, Oregon
| | - Craig S Broberg
- Oregon Health & Science University, Knight Cardiovascular Institute, Portland, Oregon
| | - Larisa G Tereshchenko
- Oregon Health & Science University, Knight Cardiovascular Institute, Portland, Oregon.
| |
Collapse
|
6
|
Köbe J, Willy K, Eckardt L, Baumgartner H, Wasmer K. Narrative review of: risk stratification and implantable cardioverter-defibrillator therapy in adults with congenital heart disease. Cardiovasc Diagn Ther 2021; 11:538-549. [PMID: 33968632 DOI: 10.21037/cdt-20-633] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Fortunately, the population of adults with congenital heart disease (ACHD) is growing due to improved operation techniques. Life expectancy is continuously rising, nevertheless, sudden cardiac death is one of the leading causes of mortality in ACHD late after initial diagnosis. Risk stratification in ACHD remains challenging as large study results are missing, congenital defects and operation methods differ considerably between individual patients and results from acquired heart diseases are often not conferrable. The purpose of this narrative review is to objectively summarize the current knowledge on arrhythmogenic risk of ACHD and to give an overview on implantable cardioverter-defibrillator (ICD) therapy in this collective. Remarkable progress has been made in electrophysiological understanding of critical areas of slow conduction especially in patients with Tetralogy of Fallot (ToF). In patients with transposition of the great arteries after atrial baffling (Mustard/Senning procedure) atrial arrhythmias play a crucial role in sudden cardiac death. ICD therapy in ACHD may pose special technical challenges due to limited access for intracardiac leads. The introduction of the totally subcutaneous ICD improved therapeutic options for ACHD especially when contraindications for transvenous leads are present. Risk stratification in ACHD has to be seen as a team approach, requires thorough understanding of congenital heart defects and the operation techniques and needs unconventional technical approaches in some cases.
Collapse
Affiliation(s)
- Julia Köbe
- Department of Cardiology II - Electrophysiology, University Hospital Muenster, Muenster, Germany
| | - Kevin Willy
- Department of Cardiology II - Electrophysiology, University Hospital Muenster, Muenster, Germany
| | - Lars Eckardt
- Department of Cardiology II - Electrophysiology, University Hospital Muenster, Muenster, Germany
| | - Helmut Baumgartner
- Department of Cardiology III, Adult Congenital and Valvular Heart Disease, University Hospital Muenster, Muenster, Germany
| | - Kristina Wasmer
- Department of Cardiology II - Electrophysiology, University Hospital Muenster, Muenster, Germany
| |
Collapse
|
7
|
Zormpas C, Silber‐Peest AS, Eiringhaus J, Hillmann HA, Hohmann S, Müller‐Leisse J, Westhoff‐Bleck M, Veltmann C, Duncker D. Eligibility for subcutaneous implantable cardioverter-defibrillator in adults with congenital heart disease. ESC Heart Fail 2021; 8:1502-1508. [PMID: 33538124 PMCID: PMC8006645 DOI: 10.1002/ehf2.13243] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2020] [Revised: 12/30/2020] [Accepted: 01/19/2021] [Indexed: 01/06/2023] Open
Abstract
AIMS Patients with adult congenital heart disease (ACHD) carry an increased risk for sudden cardiac death. Implantable cardioverter-defibrillator (ICD) therapy may be challenging in these patients due to anatomical barriers, repeated cardiac surgery, or complicated transvenous access. Thus, the subcutaneous ICD (S-ICD) can be a promising alternative in this patient population. Patients with ACHD show significant electrocardiogram (ECG) abnormalities, which could affect S-ICD sensing because it depends on surface ECG. METHODS AND RESULTS One hundred patients with ACHD were screened for S-ICD eligibility. Standard ECG-based screening test and automated S-ICD screening test were performed in all patients. Sixty-six patients (66%) were male. Underlying congenital heart disease (CHD) was mainly CHD of great complexity (71%) and moderate complexity (29%), including repaired tetralogy of Fallot (20%), which was the most common entity. Thirty-seven patients (37%) already had a pacemaker (23%) or ICD (14%) implanted. Automated screening test identified 83 patients (83%) eligible for S-ICD implantation in either left parasternal position (78%) or right parasternal position (75%). Absence of sinus rhythm, QRS duration, and a paced QRS complex were associated with S-ICD screening failure in univariate analysis. Receiver operating characteristic curve and multivariate analysis revealed a QRS duration ≥148 ms as the only independent predictor for S-ICD screening failure. CONCLUSIONS Patients with ACHD show satisfactory eligibility rates (83%) for S-ICD implantation utilizing the automated screening test, including patients with CHD of high complexity. S-ICD therapy should be considered with caution in ACHD patients with a QRS duration ≥148 ms and/or need for ventricular pacing.
Collapse
MESH Headings
- Adult
- Death, Sudden, Cardiac/epidemiology
- Death, Sudden, Cardiac/etiology
- Death, Sudden, Cardiac/prevention & control
- Defibrillators, Implantable
- Eligibility Determination
- Heart Defects, Congenital/complications
- Heart Defects, Congenital/diagnosis
- Heart Defects, Congenital/therapy
- Humans
- Male
- Patient Selection
Collapse
Affiliation(s)
- Christos Zormpas
- Hannover Heart Rhythm Center, Department of Cardiology and AngiologyHannover Medical SchoolCarl‐Neuberg‐Str. 1HannoverD‐30625Germany
- Department of Cardiology and AngiologyHannover Medical SchoolHannoverGermany
| | | | - Jörg Eiringhaus
- Hannover Heart Rhythm Center, Department of Cardiology and AngiologyHannover Medical SchoolCarl‐Neuberg‐Str. 1HannoverD‐30625Germany
- Department of Cardiology and AngiologyHannover Medical SchoolHannoverGermany
| | - Henrike A.K. Hillmann
- Hannover Heart Rhythm Center, Department of Cardiology and AngiologyHannover Medical SchoolCarl‐Neuberg‐Str. 1HannoverD‐30625Germany
- Department of Cardiology and AngiologyHannover Medical SchoolHannoverGermany
| | - Stephan Hohmann
- Hannover Heart Rhythm Center, Department of Cardiology and AngiologyHannover Medical SchoolCarl‐Neuberg‐Str. 1HannoverD‐30625Germany
- Department of Cardiology and AngiologyHannover Medical SchoolHannoverGermany
| | - Johanna Müller‐Leisse
- Hannover Heart Rhythm Center, Department of Cardiology and AngiologyHannover Medical SchoolCarl‐Neuberg‐Str. 1HannoverD‐30625Germany
- Department of Cardiology and AngiologyHannover Medical SchoolHannoverGermany
| | | | - Christian Veltmann
- Hannover Heart Rhythm Center, Department of Cardiology and AngiologyHannover Medical SchoolCarl‐Neuberg‐Str. 1HannoverD‐30625Germany
- Department of Cardiology and AngiologyHannover Medical SchoolHannoverGermany
| | - David Duncker
- Hannover Heart Rhythm Center, Department of Cardiology and AngiologyHannover Medical SchoolCarl‐Neuberg‐Str. 1HannoverD‐30625Germany
- Department of Cardiology and AngiologyHannover Medical SchoolHannoverGermany
| |
Collapse
|
8
|
Kaczmarek K, Kałowski M, Krzysztof Wranicz J, Ptaszyńsk P, Cygankiewicz I. Conventional and alternative preimplantation ECG screening for subcutaneous ICD in high risk hypertrophic cardiomyopathy patients. J Electrocardiol 2019; 58:68-73. [PMID: 31770668 DOI: 10.1016/j.jelectrocard.2019.11.044] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2019] [Revised: 11/04/2019] [Accepted: 11/18/2019] [Indexed: 11/17/2022]
Abstract
INTRODUCTION Patients with hypertrophic cardiomyopathy (HCM) relatively often fail preimplantation ECG screening for subcutaneous implantable cardioverter-defibrillator (S-ICD). We aimed to evaluate impact of conventional and alternative ECG electrodes placement on eligibility for S-ICD implantation in HCM patients at high risk of sudden cardiac death (SCD). We hypothesized that modified electrodes placement will influence QRS-T morphology and thus it will increase S-ICD eligibility in the screening process. MATERIAL AND METHODS This study enrolled 17 HCM patients at high risk of SCD (5-year SCD risk above 5%) referred for an ICD implantation. ECG screening for S-ICD eligibility in horizontal and vertical position was performed in each patient, in two different screening electrodes configuration: conventional (recommended by manufacturer) and alternative (precordial electrodes shifted rightwards and lateral electrodes dorsally). We evaluated QRS and T waves amplitude as well as T wave index. Primary, secondary and alternate sensing vectors were assessed. RESULTS Preimplantation ECG screening with alternative electrodes placement resulted in more sensing vectors that were screened successfully (77 vs. 88, p = 0.05). Modified screening combined with a standard one allowed more patients to qualify for S-ICD implantation (17/17 vs. 12/17, p = 0.04). Electrocardiographically, the alternative positioning of ECG electrodes resulted in significant decrease in absolute values of QRS complex and T waves amplitudes in almost all sensing vectors, which was responsible for successful screening. CONCLUSIONS The use of alternative placement of screening electrodes may be a valuable method to increase eligibility for S-ICD implantation in HCM patients at high risk of SCD.
Collapse
Affiliation(s)
- Krzysztof Kaczmarek
- Department of Electrocardiology, Medical University of Lodz, Pomorska 251, 92-213 Lodz, Poland.
| | - Michał Kałowski
- Department of Electrocardiology, Medical University of Lodz, Pomorska 251, 92-213 Lodz, Poland
| | - Jerzy Krzysztof Wranicz
- Department of Electrocardiology, Medical University of Lodz, Pomorska 251, 92-213 Lodz, Poland.
| | - Pawel Ptaszyńsk
- Department of Electrocardiology, Medical University of Lodz, Pomorska 251, 92-213 Lodz, Poland.
| | - Iwona Cygankiewicz
- Department of Electrocardiology, Medical University of Lodz, Pomorska 251, 92-213 Lodz, Poland.
| |
Collapse
|
9
|
Chubb H, Motonaga KS. Cardiac resynchronization and implantable defibrillators in adults with congenital heart disease. Heart Fail Rev 2019; 25:657-670. [PMID: 31754907 DOI: 10.1007/s10741-019-09886-y] [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] [Indexed: 11/24/2022]
Abstract
Cardiac resynchronization therapy (CRT) and implantable cardioverter defibrillators (ICDs) are well-established therapies for adult patients with heart failure that have been shown to improve morbidity and mortality. However, the benefits and indications for use in adults with congenital heart disease (ACHD) are less defined with no significant large prospective studies in this population. There are, however, multiple retrospective studies that demonstrate the efficacy of these devices in the ACHD population. These indicate a role for both CRT and ICDs in select patients with ACHD. The clinician and patient must balance the risks and benefits, summarized in complex evidence that reflects the heterogeneity of the ACHD patient group, and apply them in a patient-specific manner to optimize the utility of CRT and ICDs.
Collapse
Affiliation(s)
- Henry Chubb
- Division of Pediatric Cardiology, Department of Pediatrics, Stanford University, Palo Alto, CA, USA. .,Division of Pediatric Cardiothoracic Surgery, Department of Cardiothoracic Surgery, Stanford University, Palo Alto, CA, USA. .,Heart Center Research Core, Stanford University, 780 Welch Road, Palo Alto, CA, 94304-5701, USA.
| | - Kara S Motonaga
- Division of Pediatric Cardiology, Department of Pediatrics, Stanford University, Palo Alto, CA, USA
| |
Collapse
|
10
|
Arias MA, Pachón M, Sánchez-Iglesias I, Loughlin G, Martín-Sierra C, Puchol A, Sabatel F, Rodríguez-Padial L. Impact of routine right parasternal electrocardiographic screening in assessing eligibility for subcutaneous implantable cardioverter-defibrillator. J Cardiovasc Electrophysiol 2019; 31:103-111. [PMID: 31724763 DOI: 10.1111/jce.14275] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/13/2019] [Revised: 10/21/2019] [Accepted: 11/06/2019] [Indexed: 11/29/2022]
Abstract
INTRODUCTION Between 7% and 15% of patients with an indication for an implantable cardioverter-defibrillator (ICD) are not eligible for implantation of a subcutaneous implantable cardioverter-defibrillator (S-ICD) on the basis of the result of the conventional left parasternal electrocardiographic screening (LPES). Our objective was to determine the impact of systematically performing right parasternal electrocardiographic screening (RPES) in addition to conventional LPES, in terms of increasing both the total percentage of potentially eligible patients for S-ICD implantation and the number of suitable vectors per patient. METHODS AND RESULTS Consecutive patients from the outpatient device clinic who already had an implanted ICD, and no requirement for pacing were enrolled. Conventional left parasternal electrode position and right parasternal electrode positions were used. The automatic screening tool was used to analyze the recordings. Screenings were performed in the supine and standing positions. Overall, 209 patients were included. The mean age was 63.4 ± 13 years, 59.8% had ischemic heart disease, mean QRS duration was 100 ± 31 ms, and 69.9% had a primary prevention ICD indication. Based on conventional isolated LPES, 12.9% of patients were not eligible for S-ICD compared with 11.5% based on RPES alone (P = .664). Considering LPES and RPES together, only 7.2% of patients were not eligible for S-ICD (P < .001). Moreover, the number of patients with more than one suitable vector increased from 66.5% with isolated LPES to 82.3% (23.7% absolute increase [P < .001]). CONCLUSION Adding an automated RPES to the conventional automated LPES increased patient eligibility for the S-ICD significantly. Moreover, combined screening increased the number of suitable vectors per eligible patient.
Collapse
Affiliation(s)
- Miguel A Arias
- Arrhythmia Unit, Department of Cardiology, Complejo Hospitalario Universitario de Toledo, Toledo, Spain
| | - Marta Pachón
- Arrhythmia Unit, Department of Cardiology, Complejo Hospitalario Universitario de Toledo, Toledo, Spain
| | - Iván Sánchez-Iglesias
- Department of Psychobiology and Behavioral Sciences Methods, Complutense University of Madrid, Madrid, Spain
| | - Gerard Loughlin
- Arrhythmia Unit, Department of Cardiology, Complejo Hospitalario Universitario de Toledo, Toledo, Spain
| | - Cristina Martín-Sierra
- Arrhythmia Unit, Department of Cardiology, Complejo Hospitalario Universitario de Toledo, Toledo, Spain
| | - Alberto Puchol
- Arrhythmia Unit, Department of Cardiology, Complejo Hospitalario Universitario de Toledo, Toledo, Spain
| | - Fernando Sabatel
- Arrhythmia Unit, Department of Cardiology, Complejo Hospitalario Universitario de Toledo, Toledo, Spain
| | - Luis Rodríguez-Padial
- Arrhythmia Unit, Department of Cardiology, Complejo Hospitalario Universitario de Toledo, Toledo, Spain
| |
Collapse
|
11
|
Diagnostic and Therapeutic Approach to Arrhythmias in Adult Congenital Heart Disease. CURRENT TREATMENT OPTIONS IN CARDIOVASCULAR MEDICINE 2019; 21:44. [PMID: 31342289 DOI: 10.1007/s11936-019-0749-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
PURPOSE OF REVIEW Adult survivors of congenital heart disease (CHD) are at increased risk of arrhythmia. The goal of this review is to outline diagnostic and therapeutic approaches to arrhythmia in adult CHD patients. RECENT FINDINGS Macro-reentrant atrial tachyarrhythmia is the most common arrhythmia encountered in adults with CHD. Approximately 25% of hospitalizations associated with arrhythmia. The risk of ventricular arrhythmia is estimated as high as 25-100 times that for the general population and increased after two decades. Routine ambulatory monitoring is important for arrhythmia risk assessment in adults with CHD. There are limitations, potential adverse effects, and risk of recurrence with antiarrhythmic drugs, catheter ablation, and surgical approaches. Adults with CHD suffer various forms of arrhythmia, are at increased risk of sudden death, and require special consideration for medical and interventional therapy.
Collapse
|
12
|
Garside H, Leyva F, Hudsmith L, Marshall H, de Bono J. Eligibility for subcutaneous implantable cardioverter defibrillators in the adult congenital heart disease population. PACING AND CLINICAL ELECTROPHYSIOLOGY: PACE 2018; 42:65-70. [DOI: 10.1111/pace.13537] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/20/2018] [Revised: 09/03/2018] [Accepted: 10/03/2018] [Indexed: 11/29/2022]
Affiliation(s)
- Hannah Garside
- Department of Cardiology; Queen Elizabeth Hospital; Birmingham United Kingdom
| | - Francisco Leyva
- Department of Cardiology; Queen Elizabeth Hospital; Birmingham United Kingdom
- Aston Medical Research Institute, Aston Medical School; Aston University; Birmingham United Kingdom
| | - Lucy Hudsmith
- Department of Cardiology; Queen Elizabeth Hospital; Birmingham United Kingdom
| | - Howard Marshall
- Department of Cardiology; Queen Elizabeth Hospital; Birmingham United Kingdom
| | - Joseph de Bono
- Department of Cardiology; Queen Elizabeth Hospital; Birmingham United Kingdom
| |
Collapse
|
13
|
Afzal MR, Lastinger L, Weiss R. Subcutaneous defibrillators in the adult congenital heart disease population: One size does not fit all: Comment on "Eligibility for subcutaneous implantable cardioverter defibrillators in the adult congenital heart disease population". PACING AND CLINICAL ELECTROPHYSIOLOGY: PACE 2018; 42:71-72. [PMID: 30394546 DOI: 10.1111/pace.13538] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/24/2018] [Accepted: 10/25/2018] [Indexed: 11/29/2022]
Affiliation(s)
- Muhammad R Afzal
- Division of Cardiovascular Medicine, Electrophysiology Section, The Ohio State University Wexner Medical Center, Columbus, Ohio
| | - Lauren Lastinger
- Division of Cardiovascular Medicine, Adult Congenital Heart Disease Section, Nationwide Children's Hospital, The Ohio State University Wexner Medical Center, Columbus, Ohio
| | - Raul Weiss
- Division of Cardiovascular Medicine, Electrophysiology Section, The Ohio State University Wexner Medical Center, Columbus, Ohio
| |
Collapse
|
14
|
2017 AHA/ACC/HRS guideline for management of patients with ventricular arrhythmias and the prevention of sudden cardiac death. Heart Rhythm 2018; 15:e73-e189. [DOI: 10.1016/j.hrthm.2017.10.036] [Citation(s) in RCA: 177] [Impact Index Per Article: 29.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/23/2017] [Indexed: 02/07/2023]
|
15
|
Al-Khatib SM, Stevenson WG, Ackerman MJ, Bryant WJ, Callans DJ, Curtis AB, Deal BJ, Dickfeld T, Field ME, Fonarow GC, Gillis AM, Granger CB, Hammill SC, Hlatky MA, Joglar JA, Kay GN, Matlock DD, Myerburg RJ, Page RL. 2017 AHA/ACC/HRS Guideline for Management of Patients With Ventricular Arrhythmias and the Prevention of Sudden Cardiac Death: A Report of the American College of Cardiology/American Heart Association Task Force on Clinical Practice Guidelines and the Heart Rhythm Society. Circulation 2018; 138:e272-e391. [PMID: 29084731 DOI: 10.1161/cir.0000000000000549] [Citation(s) in RCA: 249] [Impact Index Per Article: 41.5] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
| | - William G Stevenson
- Writing committee members are required to recuse themselves from voting on sections to which their specific relationships with industry may apply; see Appendix 1 for detailed information. †ACC/AHA Representative. ‡HRS Representative. §ACC/AHA Task Force on Performance Measures Liaison/HFSA Representative. ‖ACC/AHA Task Force on Clinical Practice Guidelines Liaison
| | - Michael J Ackerman
- Writing committee members are required to recuse themselves from voting on sections to which their specific relationships with industry may apply; see Appendix 1 for detailed information. †ACC/AHA Representative. ‡HRS Representative. §ACC/AHA Task Force on Performance Measures Liaison/HFSA Representative. ‖ACC/AHA Task Force on Clinical Practice Guidelines Liaison
| | - William J Bryant
- Writing committee members are required to recuse themselves from voting on sections to which their specific relationships with industry may apply; see Appendix 1 for detailed information. †ACC/AHA Representative. ‡HRS Representative. §ACC/AHA Task Force on Performance Measures Liaison/HFSA Representative. ‖ACC/AHA Task Force on Clinical Practice Guidelines Liaison
| | - David J Callans
- Writing committee members are required to recuse themselves from voting on sections to which their specific relationships with industry may apply; see Appendix 1 for detailed information. †ACC/AHA Representative. ‡HRS Representative. §ACC/AHA Task Force on Performance Measures Liaison/HFSA Representative. ‖ACC/AHA Task Force on Clinical Practice Guidelines Liaison
| | - Anne B Curtis
- Writing committee members are required to recuse themselves from voting on sections to which their specific relationships with industry may apply; see Appendix 1 for detailed information. †ACC/AHA Representative. ‡HRS Representative. §ACC/AHA Task Force on Performance Measures Liaison/HFSA Representative. ‖ACC/AHA Task Force on Clinical Practice Guidelines Liaison
| | - Barbara J Deal
- Writing committee members are required to recuse themselves from voting on sections to which their specific relationships with industry may apply; see Appendix 1 for detailed information. †ACC/AHA Representative. ‡HRS Representative. §ACC/AHA Task Force on Performance Measures Liaison/HFSA Representative. ‖ACC/AHA Task Force on Clinical Practice Guidelines Liaison
| | - Timm Dickfeld
- Writing committee members are required to recuse themselves from voting on sections to which their specific relationships with industry may apply; see Appendix 1 for detailed information. †ACC/AHA Representative. ‡HRS Representative. §ACC/AHA Task Force on Performance Measures Liaison/HFSA Representative. ‖ACC/AHA Task Force on Clinical Practice Guidelines Liaison
| | - Michael E Field
- Writing committee members are required to recuse themselves from voting on sections to which their specific relationships with industry may apply; see Appendix 1 for detailed information. †ACC/AHA Representative. ‡HRS Representative. §ACC/AHA Task Force on Performance Measures Liaison/HFSA Representative. ‖ACC/AHA Task Force on Clinical Practice Guidelines Liaison
| | - Gregg C Fonarow
- Writing committee members are required to recuse themselves from voting on sections to which their specific relationships with industry may apply; see Appendix 1 for detailed information. †ACC/AHA Representative. ‡HRS Representative. §ACC/AHA Task Force on Performance Measures Liaison/HFSA Representative. ‖ACC/AHA Task Force on Clinical Practice Guidelines Liaison
| | - Anne M Gillis
- Writing committee members are required to recuse themselves from voting on sections to which their specific relationships with industry may apply; see Appendix 1 for detailed information. †ACC/AHA Representative. ‡HRS Representative. §ACC/AHA Task Force on Performance Measures Liaison/HFSA Representative. ‖ACC/AHA Task Force on Clinical Practice Guidelines Liaison
| | - Christopher B Granger
- Writing committee members are required to recuse themselves from voting on sections to which their specific relationships with industry may apply; see Appendix 1 for detailed information. †ACC/AHA Representative. ‡HRS Representative. §ACC/AHA Task Force on Performance Measures Liaison/HFSA Representative. ‖ACC/AHA Task Force on Clinical Practice Guidelines Liaison
| | - Stephen C Hammill
- Writing committee members are required to recuse themselves from voting on sections to which their specific relationships with industry may apply; see Appendix 1 for detailed information. †ACC/AHA Representative. ‡HRS Representative. §ACC/AHA Task Force on Performance Measures Liaison/HFSA Representative. ‖ACC/AHA Task Force on Clinical Practice Guidelines Liaison
| | - Mark A Hlatky
- Writing committee members are required to recuse themselves from voting on sections to which their specific relationships with industry may apply; see Appendix 1 for detailed information. †ACC/AHA Representative. ‡HRS Representative. §ACC/AHA Task Force on Performance Measures Liaison/HFSA Representative. ‖ACC/AHA Task Force on Clinical Practice Guidelines Liaison
| | - José A Joglar
- Writing committee members are required to recuse themselves from voting on sections to which their specific relationships with industry may apply; see Appendix 1 for detailed information. †ACC/AHA Representative. ‡HRS Representative. §ACC/AHA Task Force on Performance Measures Liaison/HFSA Representative. ‖ACC/AHA Task Force on Clinical Practice Guidelines Liaison
| | - G Neal Kay
- Writing committee members are required to recuse themselves from voting on sections to which their specific relationships with industry may apply; see Appendix 1 for detailed information. †ACC/AHA Representative. ‡HRS Representative. §ACC/AHA Task Force on Performance Measures Liaison/HFSA Representative. ‖ACC/AHA Task Force on Clinical Practice Guidelines Liaison
| | - Daniel D Matlock
- Writing committee members are required to recuse themselves from voting on sections to which their specific relationships with industry may apply; see Appendix 1 for detailed information. †ACC/AHA Representative. ‡HRS Representative. §ACC/AHA Task Force on Performance Measures Liaison/HFSA Representative. ‖ACC/AHA Task Force on Clinical Practice Guidelines Liaison
| | - Robert J Myerburg
- Writing committee members are required to recuse themselves from voting on sections to which their specific relationships with industry may apply; see Appendix 1 for detailed information. †ACC/AHA Representative. ‡HRS Representative. §ACC/AHA Task Force on Performance Measures Liaison/HFSA Representative. ‖ACC/AHA Task Force on Clinical Practice Guidelines Liaison
| | - Richard L Page
- Writing committee members are required to recuse themselves from voting on sections to which their specific relationships with industry may apply; see Appendix 1 for detailed information. †ACC/AHA Representative. ‡HRS Representative. §ACC/AHA Task Force on Performance Measures Liaison/HFSA Representative. ‖ACC/AHA Task Force on Clinical Practice Guidelines Liaison
| |
Collapse
|
16
|
Eligibility of cardiac resynchronization therapy patients for subcutaneous implantable cardioverter defibrillators. J Interv Card Electrophysiol 2018; 54:49-54. [PMID: 30187250 DOI: 10.1007/s10840-018-0437-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/24/2018] [Accepted: 08/03/2018] [Indexed: 10/28/2022]
Abstract
BACKGROUND Before subcutaneous implantable cardioverter defibrillator (S-ICD) implantation, the adequacy of sensing is required to be verified through surface ECG screening. Our objective was to determine whether S-ICD can be considered as a supplementary therapy in patients who are receiving biventricular (BIV) pacing. METHODS We evaluated 48 patients with BIV devices to determine S-ICD candidacy during BIV, left ventricular (LV), right ventricular (RV) pacing, and intrinsic conduction (left bundle branch block-LBBB) by using an automated screening tool. Eligibility was defined by the presence of at least one appropriate vector in the supine and standing positions. RESULTS Eligibility was verified during BIV pacing in 34 (71%) patients. In patients screened-out, QRS duration was longer (p = 0.035) and ischemic cardiomyopathy was more frequent (p = 0.027). LV-only pacing was associated with a lower passing rate (46%) (p < 0.001 versus BIV). The LBBB QRS morphology during inhibited ventricular pacing was acceptable in 51% of patients. The QRS generated by RV pacing was acceptable in 25% of patients. In patients who passed the screening test during BIV, the QRS was not acceptable in 76% during RV pacing (i.e., accidental loss of LV capture). The concomitant adequacy during inhibited ventricular pacing (i.e., possible intrinsic conduction) was not assessed in 40% of patients. CONCLUSIONS S-ICD may be a supplemental therapy in the majority of CRT patients. Standard BIV pacing should be preferred to the LV-only pacing mode, as it is more frequently associated with adequacy of S-ICD sensing. Spontaneous LBBB and RV-paced QRS morphologies are frequently inadequate. Therefore, in patients selected for concomitant S-ICD and CRT implantation, accidental loss of LV capture or possible intrinsic conduction must be prevented.
Collapse
|
17
|
Al-Khatib SM, Stevenson WG, Ackerman MJ, Bryant WJ, Callans DJ, Curtis AB, Deal BJ, Dickfeld T, Field ME, Fonarow GC, Gillis AM, Granger CB, Hammill SC, Hlatky MA, Joglar JA, Kay GN, Matlock DD, Myerburg RJ, Page RL. 2017 AHA/ACC/HRS Guideline for Management of Patients With Ventricular Arrhythmias and the Prevention of Sudden Cardiac Death: A Report of the American College of Cardiology/American Heart Association Task Force on Clinical Practice Guidelines and the Heart Rhythm Society. J Am Coll Cardiol 2018; 72:e91-e220. [PMID: 29097296 DOI: 10.1016/j.jacc.2017.10.054] [Citation(s) in RCA: 700] [Impact Index Per Article: 116.7] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
|
18
|
Sakhi R, Yap SC, Michels M, Schinkel AFL, Kauling RM, Roos-Hesselink JW, Theuns DAMJ. Evaluation of a novel automatic screening tool for determining eligibility for a subcutaneous implantable cardioverter-defibrillator. Int J Cardiol 2018; 272:97-101. [PMID: 30005832 DOI: 10.1016/j.ijcard.2018.07.037] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/04/2018] [Revised: 06/25/2018] [Accepted: 07/05/2018] [Indexed: 11/19/2022]
Abstract
BACKGROUND The manufacturer has developed a new ECG screening tool to determine eligibility for the subcutaneous ICD (S-ICD), the "automatic screening tool" (AST), which may render manual ECG-screening unnecessary. The aim of the study was to determine the eligibility for the S-ICD using two methods (manual ECG-screening versus AST) in different patient categories including patients with cardiomyopathy, congenital heart disease and inherited primary arrhythmia syndrome. METHODS We prospectively evaluated the ECG suitability for an S-ICD in consecutive patients at our outpatient clinic between February and June 2017. The primary endpoint of the study was ECG eligibility defined as at least 1 successful vector in both supine and sitting postures. RESULTS A total of 254 patients (167 men; mean age 45 ± 16 years) were screened using both methods. Overall, there was a high ECG eligibility using either method (93% versus 92%, P = 0.45). Overall agreement between both methods was 94%. Patients with hypertrophic cardiomyopathy (HCM) more often had a failed screening test using either test in comparison to the patients without HCM (manual: odds ratio [OR] 3.3, 95% confidence interval [CI] 1.2-9.3, P = 0.02; AST: OR 3.0, 95% CI 1.2-7.6, P = 0.02). CONCLUSION AST showed a high agreement with manual ECG-screening for S-ICD. Overall there was a high ECG eligibility for S-ICD, although patients with HCM had a lower passing rate irrespective of the screening method.
Collapse
Affiliation(s)
- Rafi Sakhi
- Department of Cardiology, Erasmus Medical Center, Rotterdam, the Netherlands
| | - Sing-Chien Yap
- Department of Cardiology, Erasmus Medical Center, Rotterdam, the Netherlands
| | - Michelle Michels
- Department of Cardiology, Erasmus Medical Center, Rotterdam, the Netherlands
| | - Arend F L Schinkel
- Department of Cardiology, Erasmus Medical Center, Rotterdam, the Netherlands
| | - R Martijn Kauling
- Department of Cardiology, Erasmus Medical Center, Rotterdam, the Netherlands
| | | | | |
Collapse
|
19
|
Silvetti MS, Pazzano V, Verticelli L, Battipaglia I, Saputo FA, Albanese S, Lovecchio M, Valsecchi S, Drago F. Subcutaneous implantable cardioverter-defibrillator: is it ready for use in children and young adults? A single-centre study. Europace 2018; 20:1966-1973. [DOI: 10.1093/europace/euy139] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2018] [Accepted: 05/28/2018] [Indexed: 01/30/2023] Open
Affiliation(s)
- Massimo Stefano Silvetti
- Pediatric Cardiology and Cardiac Arrhythmias Unit, Department of Pediatric Cardiology and Cardiac Surgery, Bambino Gesù Children’s Hospital and Research Institute, Palidoro, Via Torre di Palidoro 1, Palidoro-Fiumicino, Rome, Italy
| | - Vincenzo Pazzano
- Pediatric Cardiology and Cardiac Arrhythmias Unit, Department of Pediatric Cardiology and Cardiac Surgery, Bambino Gesù Children’s Hospital and Research Institute, Palidoro, Via Torre di Palidoro 1, Palidoro-Fiumicino, Rome, Italy
| | - Letizia Verticelli
- Pediatric Cardiology and Cardiac Arrhythmias Unit, Department of Pediatric Cardiology and Cardiac Surgery, Bambino Gesù Children’s Hospital and Research Institute, Palidoro, Via Torre di Palidoro 1, Palidoro-Fiumicino, Rome, Italy
| | - Irma Battipaglia
- Pediatric Cardiology and Cardiac Arrhythmias Unit, Department of Pediatric Cardiology and Cardiac Surgery, Bambino Gesù Children’s Hospital and Research Institute, Palidoro, Via Torre di Palidoro 1, Palidoro-Fiumicino, Rome, Italy
| | - Fabio Anselmo Saputo
- Pediatric Cardiology and Cardiac Arrhythmias Unit, Department of Pediatric Cardiology and Cardiac Surgery, Bambino Gesù Children’s Hospital and Research Institute, Palidoro, Via Torre di Palidoro 1, Palidoro-Fiumicino, Rome, Italy
| | - Sonia Albanese
- Heart Surgery Team, Department of Pediatric Cardiology and Cardiac Surgery, Bambino Gesù Children’s Hospital and Research Institute, Palidoro, Rome, Italy
| | | | - Sergio Valsecchi
- Heart Surgery Team, Department of Pediatric Cardiology and Cardiac Surgery, Bambino Gesù Children’s Hospital and Research Institute, Palidoro, Rome, Italy
| | - Fabrizio Drago
- Pediatric Cardiology and Cardiac Arrhythmias Unit, Department of Pediatric Cardiology and Cardiac Surgery, Bambino Gesù Children’s Hospital and Research Institute, Palidoro, Via Torre di Palidoro 1, Palidoro-Fiumicino, Rome, Italy
| |
Collapse
|
20
|
Subcutaneous implantable cardioverter defibrillator eligibility according to a novel automated screening tool and agreement with the standard manual electrocardiographic morphology tool. J Interv Card Electrophysiol 2018; 52:61-67. [PMID: 29502193 DOI: 10.1007/s10840-018-0326-2] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/28/2017] [Accepted: 02/06/2018] [Indexed: 11/26/2022]
|
21
|
Bogush N, Espinosa RE, Cannon BC, Wackel PL, Okamura H, Friedman PA, McLeod CJ. Selecting the right defibrillator in the younger patient: Transvenous, epicardial or subcutaneous? Int J Cardiol 2018; 250:133-138. [DOI: 10.1016/j.ijcard.2017.09.213] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/17/2017] [Revised: 09/16/2017] [Accepted: 09/29/2017] [Indexed: 01/22/2023]
|
22
|
Bettin M, Dechering D, Frommeyer G, Larbig R, Löher A, Reinke F, Köbe J, Eckardt L. Right versus left parasternal electrode position in the entirely subcutaneous ICD. Clin Res Cardiol 2017; 107:389-394. [PMID: 29285623 DOI: 10.1007/s00392-017-1194-y] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/31/2017] [Accepted: 12/19/2017] [Indexed: 01/20/2023]
Abstract
OBJECTIVES The subcutaneous implantable cardioverter defibrillator (S-ICD®) has been established as an alternative to conventional transvenous ICD for the prevention of sudden cardiac death. Initial studies have shown safety and efficacy of the system with a left parasternal (LP) electrode. However, several case studies reported a right parasternal (RP) position. The purpose of this study was to analyze shock efficacy and safety of an RP electrode position. METHODS Between June 2010 and May 2016, 120 S-ICD® were implanted at our institution. On the basis of the heart location on preoperative chest radiography (CXR), the investigators decided on an RP (n = 52) or LP electrode position (n = 68). All perioperative induced VF episodes, and spontaneous appropriate and inappropriate episodes during follow-up were analyzed. RESULTS Patients with an RP electrode did not differ in terms of age, sex, or ejection fraction. A statistically significant difference in underlying cardiac disease was observed between the RP and LP electrode group, with more patients with channelopathies in the RP electrode group and more patients with non-ischemic cardiomyopathy in the LP electrode group. During a mean follow-up of 24.3 ± 19.5 months, 27 appropriate (19 in the LP group and 8 in the RP group) and 28 inappropriate (18 LP and 10 RP) ICD shocks occurred (p value = NS). CONCLUSIONS In the present study, an RP electrode position was chosen on the basis of chest radiographic characteristics and was efficient in terms of sensing and shock efficacy. Thus, a right-sided electrode implant might be an alternative if a left-sided electrode implant is inadequate. It might also be favorable for young patients with narrow heart silhouettes in the midsagittal position.
Collapse
Affiliation(s)
- Markus Bettin
- Division of Clinical and Experimental Electrophysiology, Department of Cardiology and Angiology, University Hospital Münster, Albert-Schweitzer-Campus 1, Gebäude A1, 48149, Münster, Germany.
| | - Dirk Dechering
- Division of Clinical and Experimental Electrophysiology, Department of Cardiology and Angiology, University Hospital Münster, Albert-Schweitzer-Campus 1, Gebäude A1, 48149, Münster, Germany
| | - Gerrit Frommeyer
- Division of Clinical and Experimental Electrophysiology, Department of Cardiology and Angiology, University Hospital Münster, Albert-Schweitzer-Campus 1, Gebäude A1, 48149, Münster, Germany
| | - Robert Larbig
- Division of Clinical and Experimental Electrophysiology, Department of Cardiology and Angiology, University Hospital Münster, Albert-Schweitzer-Campus 1, Gebäude A1, 48149, Münster, Germany
| | - Andreas Löher
- Division of Cardiac Surgery, Department of Cardiothoracic Surgery, University Hospital Münster, Münster, Germany
| | - Florian Reinke
- Division of Clinical and Experimental Electrophysiology, Department of Cardiology and Angiology, University Hospital Münster, Albert-Schweitzer-Campus 1, Gebäude A1, 48149, Münster, Germany
| | - Julia Köbe
- Division of Clinical and Experimental Electrophysiology, Department of Cardiology and Angiology, University Hospital Münster, Albert-Schweitzer-Campus 1, Gebäude A1, 48149, Münster, Germany
| | - Lars Eckardt
- Division of Clinical and Experimental Electrophysiology, Department of Cardiology and Angiology, University Hospital Münster, Albert-Schweitzer-Campus 1, Gebäude A1, 48149, Münster, Germany
| |
Collapse
|
23
|
Nishii N, Tachibana M, Morimoto Y, Kawada S, Miyoshi A, Sugiyama H, Nakagawa K, Watanabe A, Nakamura K, Morita H, Ito H. Initial experience with the subcutaneous implantable cardioverter-defibrillator in a single Japanese center. J Arrhythm 2017; 33:338-341. [PMID: 28765769 PMCID: PMC5529595 DOI: 10.1016/j.joa.2017.02.004] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2016] [Revised: 01/23/2017] [Accepted: 02/19/2017] [Indexed: 11/24/2022] Open
Abstract
BACKGROUND The subcutaneous implantable cardioverter-defibrillator (S-ICD) is recognized as a viable alternative to the transvenous ICD. The safety and efficacy of this device has been demonstrated in Western countries, but studies with S-ICD implantation in Japanese patients have not been reported. METHODS AND RESULTS Twelve patients received an S-ICD implant in our institute between February and September 2016. All S-ICDs were successfully implanted without complications. One appropriate and one inappropriate therapy was identified. CONCLUSIONS S-ICD implantation appears to provide a viable alternative to transvenous ICD implantation for some Japanese patients. However, we should perform careful follow-up of patients to eliminate inappropriate therapy.
Collapse
Affiliation(s)
- Nobuhiro Nishii
- Department of Cardiovascular Therapeutics, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, Okayama, Japan
| | - Motomi Tachibana
- Department of Cardiovascular Medicine, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, Okayama, Japan
| | - Yoshimasa Morimoto
- Department of Cardiovascular Medicine, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, Okayama, Japan
| | - Satoshi Kawada
- Department of Cardiovascular Medicine, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, Okayama, Japan
| | - Akihito Miyoshi
- Department of Cardiovascular Medicine, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, Okayama, Japan
| | - Hiroyasu Sugiyama
- Department of Cardiovascular Medicine, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, Okayama, Japan
| | - Koji Nakagawa
- Department of Cardiovascular Medicine, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, Okayama, Japan
| | - Atsuyuki Watanabe
- Department of Cardiovascular Medicine, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, Okayama, Japan
| | - Kazufumi Nakamura
- Department of Cardiovascular Medicine, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, Okayama, Japan
| | - Hiroshi Morita
- Department of Cardiovascular Therapeutics, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, Okayama, Japan
| | - Hiroshi Ito
- Department of Cardiovascular Medicine, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, Okayama, Japan
| |
Collapse
|
24
|
NISHIYAMA TAKAHIKO, KIMURA TAKEHIRO, NISHIYAMA NOBUHIRO, AIZAWA YOSHIYASU, FUKUDA KEIICHI, TAKATSUKI SEIJI. Discrimination between QRS and T Waves Using a Right Parasternal Lead for S-ICD in a Patient with a Single Ventricle. Pacing Clin Electrophysiol 2017; 40:904-907. [DOI: 10.1111/pace.13046] [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: 10/10/2016] [Revised: 12/19/2016] [Accepted: 01/30/2017] [Indexed: 12/01/2022]
Affiliation(s)
- TAKAHIKO NISHIYAMA
- Department of Cardiology; Keio University School of Medicine; Tokyo Japan
| | - TAKEHIRO KIMURA
- Department of Cardiology; Keio University School of Medicine; Tokyo Japan
| | - NOBUHIRO NISHIYAMA
- Department of Cardiology; Keio University School of Medicine; Tokyo Japan
| | - YOSHIYASU AIZAWA
- Department of Cardiology; Keio University School of Medicine; Tokyo Japan
| | - KEIICHI FUKUDA
- Department of Cardiology; Keio University School of Medicine; Tokyo Japan
| | - SEIJI TAKATSUKI
- Department of Cardiology; Keio University School of Medicine; Tokyo Japan
| |
Collapse
|
25
|
Ferrero P, Ali H, Barman P, Foresti S, Lupo P, D’Elia E, Cappato R, Stuart AG. Entirely subcutaneous defibrillator and complex congenital heart disease: Data on long-term clinical follow-up. World J Cardiol 2017; 9:547-552. [PMID: 28706590 PMCID: PMC5491472 DOI: 10.4330/wjc.v9.i6.547] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/29/2016] [Revised: 01/31/2017] [Accepted: 05/24/2017] [Indexed: 02/06/2023] Open
Abstract
AIM To describe the long-term follow-up of patients with complex congenital heart disease who underwent subcutaneous implantable cardiac defibrillator (S-ICD), focusing on local complications, appropriate and inappropriate shocks.
METHODS Patients with complex congenital heart disease underwent S-ICD implant in two centers with the conventional technique. Data at follow-up were retrieved from clinical notes and institutional database.
RESULTS Eight patients were implanted in two centres between 2010 and 2016. Median age at implant was 37.5 years (range 13-57). All patients who were deemed suitable for S-ICD implant passed the pre-procedural screening. Three patients were previously implanted with a anti-bradycardia device, one of whom with CRT. In one patient the device was explanted due to local infection. During the total median follow-up of 874 d, one patient had an appropriate and one inappropriate shock triggered by fast atrial tachycardia. None of the patients had inappropriate shocks secondary to T wave oversensing or electrical interference with anti- bradycardia devices.
CONCLUSION S-ICD appears to be effective and safe in patients with complex congenital heart disease.
Collapse
|
26
|
Alonso P, Osca J, Rueda J, Cano O, Pimenta P, Andres A, Sancho MJ, Martinez L. Conventional and right-sided screening for subcutaneous ICD in a population with congenital heart disease at high risk of sudden cardiac death. Ann Noninvasive Electrocardiol 2017; 22. [PMID: 28508439 DOI: 10.1111/anec.12461] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/01/2017] [Accepted: 03/22/2017] [Indexed: 11/27/2022] Open
Abstract
BACKGROUND Information regarding suitability for subcutaneous defibrillator (sICD) implantation in tetralogy of Fallot (ToF) and systemic right ventricle is scarce and needs to be further explored. The main objective of our study was to determine the proportion of patients with ToF and systemic right ventricle eligible for sICD with both, standard and right-sided screening methods. Secondary objectives were: (i) to study sICD eligibility specifically in patients at high risk of sudden cardiac death, (ii) to identify independent predictors for sICD eligibility, and (iii) to compare the proportion of eligible patients in a nonselected ICD population. METHODS We recruited 102 patients with ToF, 33 with systemic right ventricle, and 40 consecutive nonselected patients. Conventional electrocardiographic screening was performed as usual. Right-sided alternative screening was studied by positioning the left-arm and right-arm electrodes 1 cm right lateral of the xiphoid midline. The Boston Scientific ECG screening tool was utilized. RESULTS In high-risk patients with ToF, eligibility was higher with right-sided screening in comparison with standard screening (61% vs. 44%; p = .018). Eligibility in high-risk right ventricle population was identical with both screening methods (77%, p = ns). The only independent predictor for sICD eligibility was QRS duration. CONCLUSION In high-risk patients with ToF, right-sided implantation of the sICD could be an alternative to a conventional ICD. In patients with a systemic right ventricle, implantation of a sICD is an alternative to a conventional sICD.
Collapse
Affiliation(s)
- Pau Alonso
- Electrophysiology Section, Department of Cardiology, La Fe University Hospital, Valencia, Spain
| | - Joaquín Osca
- Electrophysiology Section, Department of Cardiology, La Fe University Hospital, Valencia, Spain
| | - Joaquín Rueda
- Adult Congenital Heart Disease Unit, Department of Cardiology, La Fe University Hospital, Valencia, Spain
| | - Oscar Cano
- Electrophysiology Section, Department of Cardiology, La Fe University Hospital, Valencia, Spain
| | - Pedro Pimenta
- Electrophysiology Section, Department of Cardiology, La Fe University Hospital, Valencia, Spain
| | - Ana Andres
- Electrophysiology Section, Department of Cardiology, La Fe University Hospital, Valencia, Spain
| | - María José Sancho
- Electrophysiology Section, Department of Cardiology, La Fe University Hospital, Valencia, Spain
| | - Luis Martinez
- Department of Cardiology, La Fe University Hospital, Valencia, Spain
| |
Collapse
|
27
|
Cecchin F, Halpern DG. Cardiac Arrhythmias in Adults with Congenital Heart Disease: Pacemakers, Implantable Cardiac Defibrillators, and Cardiac Resynchronization Therapy Devices. Card Electrophysiol Clin 2017; 9:319-328. [PMID: 28457245 DOI: 10.1016/j.ccep.2017.02.013] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
Implanting cardiac rhythm medical devices in adults with congenital heart disease requires training in congenital heart disease. The techniques and indications for device implantation are specific to the anatomic diagnosis and state of disease progression. It often requires a team of physicians and is best performed at a specialized adult congenital heart center.
Collapse
Affiliation(s)
- Frank Cecchin
- NYU Langone Medical Center, 550 First Avenue, New York, NY 10016, USA.
| | - Daniel G Halpern
- NYU Langone Medical Center, 550 First Avenue, New York, NY 10016, USA
| |
Collapse
|
28
|
Maury P, Sacher F, Rollin A, Mondoly P, Duparc A, Zeppenfeld K, Hascoet S. Ventricular arrhythmias and sudden death in tetralogy of Fallot. Arch Cardiovasc Dis 2017; 110:354-362. [PMID: 28222965 DOI: 10.1016/j.acvd.2016.12.006] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/25/2016] [Revised: 12/03/2016] [Accepted: 12/05/2016] [Indexed: 11/17/2022]
Abstract
Malignant ventricular arrhythmias and sudden cardiac death may late happen in repaired tetralogy of Fallot, although probably less frequently than previously thought, especially with the advent of new surgical techniques/management. Ventricular tachycardias are caused by reentry around the surgical scars/patches and valves. Many predictive factors have been proposed, which suffer from poor accuracy. There is currently no recommended indication for prophylactic implantable cardioverter defibrillator implantation-except maybe in the case of multiple risk factors-while radiofrequncy ablation may be proposed in secondary prevention with or even without a back-up implantable cardioverter defibrillator in selected cases. Repeated cardiological investigations and monitoring should be proposed for every operated patient.
Collapse
Affiliation(s)
- Philippe Maury
- University Hospital Rangueil, 31059 Toulouse cedex 09, France; Unité Inserm U1048, Toulouse, France.
| | - Frederic Sacher
- Inserm 1045, LIRYC Institute, Bordeaux University Hospital, Bordeaux, France
| | - Anne Rollin
- University Hospital Rangueil, 31059 Toulouse cedex 09, France
| | - Pierre Mondoly
- University Hospital Rangueil, 31059 Toulouse cedex 09, France
| | | | - Katja Zeppenfeld
- Department of Cardiology, C5-P, Leiden University Medical Centre, Leiden, The Netherlands
| | - Sebastien Hascoet
- University Children Hospital, Toulouse, France; Marie-Lannelongue Hospital, Department of Congenital Heart Diseases, Le Plessis-Robinson, France
| | | |
Collapse
|
29
|
Kawabata M, Goya M, Sasaki T, Maeda S, Yagishita A, Shirai Y, Kaneko M, Shiohira S, Isobe M, Hirao K. Surface Electrocardiogram Screening for Subcutaneous Implantable Cardioverter-Defibrillators in Japanese Patients With and Without Brugada Syndrome. Circ J 2017; 81:981-987. [DOI: 10.1253/circj.cj-16-1295] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
| | - Masahiko Goya
- Heart Rhythm Center, Tokyo Medical and Dental University
| | - Takeshi Sasaki
- Heart Rhythm Center, Tokyo Medical and Dental University
| | - Shingo Maeda
- Heart Rhythm Center, Tokyo Medical and Dental University
| | | | | | | | | | - Mitsuaki Isobe
- Department of Cardiovascular Medicine, Tokyo Medical and Dental University
| | - Kenzo Hirao
- Heart Rhythm Center, Tokyo Medical and Dental University
| |
Collapse
|
30
|
Tachibana M, Nishii N, Morimoto Y, Kawada S, Miyoshi A, Sugiyama H, Nakagawa K, Watanabe A, Nakamura K, Morita H, Ito H. Complete right bundle branch block and QRS-T discordance can be the initial clue to detect S-ICD ineligibility. J Cardiol 2016; 70:23-28. [PMID: 28034575 DOI: 10.1016/j.jjcc.2016.11.014] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/22/2016] [Revised: 10/30/2016] [Accepted: 11/11/2016] [Indexed: 11/25/2022]
Abstract
BACKGROUND In order to minimize inappropriate shocks of subcutaneous implantable cardioverter-defibrillators (S-ICD), it is important to recognize who is suitable for S-ICD indication. This study aimed to clarify what types of cardiac disease are likely to fulfill the S-ICD screening criteria and ineligible factors for S-ICD in the standard 12-lead electrocardiogram (ECG). METHODS A total of 348 patients with heart disease were enrolled. They were assessed by supine and standing ECG recording to simulate the 3 S-ICD sensing vectors and standard 12-lead ECG, simultaneously. Clinical and ECG characteristics were analyzed to compare the patients who are eligible and ineligible with S-ICD screening ECG indication. RESULTS The mean age of study patients was 49±21 years and 244 (70%) were men. Nineteen percent of patients were unsuitable for S-ICD. There was no significant difference in ineligibility for S-ICD among cardiac diseases (p=0.48). Univariate analysis showed complete right bundle branch block (CRBBB), QRS-T discordance in lead II, and QRS-T discordance in 3 leads (I, II, and aVF) were more frequent in patients who were ineligible for S-ICD than in the eligible group. Multivariate regression analysis showed CRBBB and QRS-T discordance in 3 leads were independent predictors for ineligibility of S-ICD. CONCLUSION There are no differences in eligibility of S-ICD among types of cardiac diseases. CRBBB and QRS-T discordance were independent predictors for ineligibility.
Collapse
Affiliation(s)
- Motomi Tachibana
- Department of Cardiovascular Medicine, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan.
| | - Nobuhiro Nishii
- Department of Cardiovascular Therapeutics, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
| | - Yoshimasa Morimoto
- Department of Cardiovascular Medicine, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
| | - Satoshi Kawada
- Department of Cardiovascular Medicine, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
| | - Akihito Miyoshi
- Department of Cardiovascular Medicine, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
| | - Hiroyasu Sugiyama
- Department of Cardiovascular Medicine, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
| | - Koji Nakagawa
- Department of Cardiovascular Medicine, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
| | - Atsuyuki Watanabe
- Department of Cardiovascular Medicine, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
| | - Kazufumi Nakamura
- Department of Cardiovascular Medicine, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
| | - Hiroshi Morita
- Department of Cardiovascular Therapeutics, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
| | - Hiroshi Ito
- Department of Cardiovascular Medicine, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
| |
Collapse
|