12 results on '"Michowitz, Yoav"'
Search Results
2. Ethnic differences in patients with Brugada syndrome and arrhythmic events: New insights from Survey on Arrhythmic Events in Brugada Syndrome.
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Milman A, Andorin A, Postema PG, Gourraud JB, Sacher F, Mabo P, Kim SH, Maeda S, Takahashi Y, Kamakura T, Aiba T, Conte G, Juang JJM, Leshem E, Michowitz Y, Fogelman R, Hochstadt A, Mizusawa Y, Giustetto C, Arbelo E, Huang Z, Corrado D, Delise P, Allocca G, Takagi M, Wijeyeratne YD, Mazzanti A, Brugada R, Casado-Arroyo R, Champagne J, Calo L, Sarquella-Brugada G, Jespersen CH, Tfelt-Hansen J, Veltmann C, Priori SG, Behr ER, Yan GX, Brugada J, Gaita F, Wilde AAM, Brugada P, Kusano KF, Hirao K, Nam GB, Probst V, and Belhassen B
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- Adult, Age Distribution, Age of Onset, Aged, Arrhythmias, Cardiac diagnostic imaging, Asian People statistics & numerical data, Brugada Syndrome diagnostic imaging, Comorbidity, Cross-Sectional Studies, Female, Humans, Incidence, Internationality, Male, Middle Aged, Prognosis, Risk Assessment, Severity of Illness Index, Sex Distribution, White People statistics & numerical data, Arrhythmias, Cardiac ethnology, Asian People genetics, Brugada Syndrome ethnology, Death, Sudden, Cardiac ethnology, Electrocardiography methods, White People genetics
- Abstract
Background: There is limited information on ethnic differences between patients with Brugada syndrome (BrS) and arrhythmic events (AEs)., Objective: The purpose of this study was to compare clinical, electrocardiographic (ECG), electrophysiological, and genetic characteristics between white and Asian patients with BrS and AEs., Methods: The Survey on Arrhythmic Events in Brugada Syndrome is a multicenter survey from Western and Asian countries, gathering 678 patients with BrS and first documented AE. After excluding patients with other (n = 14 [2.1%]) or unknown (n = 30 [4.4%]) ethnicity, 364 (53.7%) whites and 270 (39.8%) Asians comprised the study group., Results: There was no difference in AE age onset (41.3 ± 16.1 years in whites vs 43.3 ± 12.3 years in Asians; P = .285). Higher proportions of whites were observed in pediatric and elderly populations. Asians were predominantly men (98.1% vs 85.7% in whites; P < .001) and frequently presented with aborted cardiac arrest (71.1% vs 56%; P < .001). Asians tended to display more spontaneous type 1 BrS-ECG pattern (71.5% vs 64.3%; P = .068). A family history of sudden cardiac death was noted more in whites (29.1% vs 11.5%; P < .001), with a higher rate of SCN5A mutation carriers (40.1% vs 13.2% in Asians; P < .001), as well as more fever-related AEs (8.5% vs 2.9%; P = .011). No difference was observed between the 2 groups regarding history of syncope and ventricular arrhythmia inducibility., Conclusion: There are important differences between Asian and white patients with BrS. Asian patients present almost exclusively as male adults, more often with aborted cardiac arrest and spontaneous type 1 BrS-ECG. However, they have less family history of sudden cardiac death and markedly lower SCN5A mutation rates. The striking difference in SCN5A mutation rates should be tested in future studies., (Copyright © 2019 Heart Rhythm Society. Published by Elsevier Inc. All rights reserved.)
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- 2019
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3. Time-to-first appropriate shock in patients implanted prophylactically with an implantable cardioverter-defibrillator: data from the Survey on Arrhythmic Events in BRUgada Syndrome (SABRUS).
- Author
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Milman A, Hochstadt A, Andorin A, Gourraud JB, Sacher F, Mabo P, Kim SH, Conte G, Arbelo E, Kamakura T, Aiba T, Napolitano C, Giustetto C, Denjoy I, Juang JJM, Maeda S, Takahashi Y, Leshem E, Michowitz Y, Rahkovich M, Jespersen CH, Wijeyeratne YD, Champagne J, Calo L, Huang Z, Mizusawa Y, Postema PG, Brugada R, Wilde AAM, Yan GX, Behr ER, Tfelt-Hansen J, Hirao K, Veltmann C, Leenhardt A, Corrado D, Gaita F, Priori SG, Kusano KF, Takagi M, Delise P, Brugada J, Brugada P, Nam GB, Probst V, and Belhassen B
- Subjects
- Adult, Electrocardiography methods, Female, Humans, Male, Prognosis, Risk Factors, Sex Factors, Surveys and Questionnaires, Time Factors, Brugada Syndrome complications, Brugada Syndrome surgery, Death, Sudden, Cardiac etiology, Death, Sudden, Cardiac prevention & control, Defibrillators, Implantable, Prosthesis Implantation instrumentation, Prosthesis Implantation methods, Prosthesis Implantation statistics & numerical data, Syncope diagnosis
- Abstract
Aims: Data on predictors of time-to-first appropriate implantable cardioverter-defibrillator (ICD) therapy in patients with Brugada Syndrome (BrS) and prophylactically implanted ICD's are scarce., Methods and Results: SABRUS (Survey on Arrhythmic Events in BRUgada Syndrome) is an international survey on 678 BrS patients who experienced arrhythmic event (AE) including 252 patients in whom AE occurred after prophylactic ICD implantation. Analysis was performed on time-to-first appropriate ICD discharge regarding patients' characteristics. Multivariate logistic regression models were utilized to identify which parameters predicted time to arrhythmia ≤5 years. The median time-to-first appropriate ICD therapy was 24.8 ± 2.8 months. A shorter time was observed in patients from Asian ethnicity (P < 0.05), those with syncope (P = 0.001), and those with Class IIa indication for ICD (P = 0.001). A longer time was associated with a positive family history of sudden cardiac death (P < 0.05). Multivariate Cox regression revealed shorter time-to-ICD therapy in patients with syncope [odds ratio (OR) 1.65, P = 0.001]. In 193 patients (76.6%), therapy was delivered during the first 5 years. Factors associated with this time were syncope (OR 0.36, P = 0.001), spontaneous Type 1 Brugada electrocardiogram (ECG) (OR 0.5, P < 0.05), and Class IIa indication (OR 0.38, P < 0.01) as opposed to Class IIb (OR 2.41, P < 0.01). A near-significant trend for female gender was also noted (OR 0.13, P = 0.052). Two score models for prediction of <5 years to shock were built., Conclusion: First appropriate therapy in BrS patients with prophylactic ICD's occurred during the first 5 years in 76.6% of patients. Syncope and spontaneous Type 1 Brugada ECG correlated with a shorter time to ICD therapy., (Published on behalf of the European Society of Cardiology. All rights reserved. © The Author(s) 2018. For permissions, please email: journals.permissions@oup.com.)
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- 2019
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4. Characterization and Management of Arrhythmic Events in Young Patients With Brugada Syndrome.
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Michowitz Y, Milman A, Andorin A, Sarquella-Brugada G, Gonzalez Corcia MC, Gourraud JB, Conte G, Sacher F, Juang JJM, Kim SH, Leshem E, Mabo P, Postema PG, Hochstadt A, Wijeyeratne YD, Denjoy I, Giustetto C, Mizusawa Y, Huang Z, Jespersen CH, Maeda S, Takahashi Y, Kamakura T, Aiba T, Arbelo E, Mazzanti A, Allocca G, Brugada R, Casado-Arroyo R, Champagne J, Priori SG, Veltmann C, Delise P, Corrado D, Brugada J, Kusano KF, Hirao K, Calo L, Takagi M, Tfelt-Hansen J, Yan GX, Gaita F, Leenhardt A, Behr ER, Wilde AAM, Nam GB, Brugada P, Probst V, and Belhassen B
- Subjects
- Ablation Techniques methods, Adolescent, Anti-Arrhythmia Agents therapeutic use, Child, Defibrillators, Implantable statistics & numerical data, Electrocardiography methods, Electrophysiologic Techniques, Cardiac methods, Female, Humans, Male, Medical History Taking statistics & numerical data, Risk Factors, Syncope diagnosis, Syncope epidemiology, Syncope etiology, Young Adult, Arrhythmias, Cardiac diagnosis, Arrhythmias, Cardiac epidemiology, Arrhythmias, Cardiac genetics, Arrhythmias, Cardiac prevention & control, Brugada Syndrome diagnosis, Brugada Syndrome epidemiology, Brugada Syndrome physiopathology, Brugada Syndrome therapy, Heart Arrest diagnosis, Heart Arrest prevention & control, Quinidine therapeutic use, Risk Assessment methods, Secondary Prevention methods
- Abstract
Background: Information on young patients with Brugada syndrome (BrS) and arrhythmic events (AEs) is limited., Objectives: The purpose of this study was to describe their characteristics and management as well as risk factors for AE recurrence., Methods: A total of 57 patients (age ≤20 years), all with BrS and AEs, were divided into pediatric (age ≤12 years; n = 26) and adolescents (age 13 to 20 years; n = 31)., Results: Patients' median age at time of first AE was 14 years, with a majority of males (74%), Caucasians (70%), and probands (79%) who presented as aborted cardiac arrest (84%). A significant proportion of patients (28%) exhibited fever-related AE. Family history of sudden cardiac death (SCD), prior syncope, spontaneous type 1 Brugada electrocardiogram (ECG), inducible ventricular fibrillation at electrophysiological study, and SCN5A mutations were present in 26%, 49%, 65%, 28%, and 58% of patients, respectively. The pediatric group differed from the adolescents, with a greater proportion of females, Caucasians, fever-related AEs, and spontaneous type-1 ECG. During follow-up, 68% of pediatric and 64% of adolescents had recurrent AE, with median time of 9.9 and 27.0 months, respectively. Approximately one-third of recurrent AEs occurred on quinidine therapy, and among the pediatric group, 60% of recurrent AEs were fever-related. Risk factors for recurrent AE included sinus node dysfunction, atrial arrhythmias, intraventricular conduction delay, or large S-wave on ECG lead I in the pediatric group and the presence of SCN5A mutation among adolescents., Conclusions: Young BrS patients with AE represent a very arrhythmogenic group. Current management after first arrhythmia episode is associated with high recurrence rate. Alternative therapies, besides defibrillator implantation, should be considered., (Copyright © 2019 American College of Cardiology Foundation. Published by Elsevier Inc. All rights reserved.)
- Published
- 2019
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5. Gender differences in patients with Brugada syndrome and arrhythmic events: Data from a survey on arrhythmic events in 678 patients.
- Author
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Milman A, Gourraud JB, Andorin A, Postema PG, Sacher F, Mabo P, Conte G, Giustetto C, Sarquella-Brugada G, Hochstadt A, Kim SH, Juang JJM, Maeda S, Takahashi Y, Kamakura T, Aiba T, Leshem E, Michowitz Y, Rahkovich M, Mizusawa Y, Arbelo E, Huang Z, Denjoy I, Wijeyeratne YD, Napolitano C, Brugada R, Casado-Arroyo R, Champagne J, Calo L, Tfelt-Hansen J, Priori SG, Takagi M, Veltmann C, Delise P, Corrado D, Behr ER, Gaita F, Yan GX, Brugada J, Leenhardt A, Wilde AAM, Brugada P, Kusano KF, Hirao K, Nam GB, Probst V, and Belhassen B
- Subjects
- Adolescent, Adult, Aged, Aged, 80 and over, Brugada Syndrome complications, Brugada Syndrome physiopathology, Child, Child, Preschool, Death, Sudden, Cardiac etiology, Death, Sudden, Cardiac prevention & control, Defibrillators, Implantable, Europe epidemiology, Female, Humans, Infant, Japan epidemiology, Male, Middle Aged, Prevalence, Republic of Korea epidemiology, Sex Distribution, Sex Factors, Young Adult, Brugada Syndrome epidemiology, Death, Sudden, Cardiac epidemiology, Electrocardiography, Surveys and Questionnaires
- Abstract
Background: There is limited information on gender differences in patients with Brugada syndrome (BrS) who experienced arrhythmic events (AEs)., Objective: The purpose of this study was to compare clinical, electrocardiographic (ECG), electrophysiological, and genetic characteristics between males and females in patients with BrS with their first AE., Methods: The multicenter Survey on Arrhythmic Events in BRUgada Syndrome collected data on the first AE in 678 patients with BrS including 619 males (91.3%) and 59 females (8.7%) aged 0.27-84 years (mean age 42.5 ± 14.1 years) at the time of AE occurrence., Results: After excluding pediatric patients, it was found that females were older than males (49.5 ± 14.4 years vs 43 ± 12.7 years, respectively; P = .001). Higher proportions of females were observed in the pediatric and elderly populations. In Asians, the male to female ratio for AEs was ≈9-fold higher than that in White. Spontaneous type 1 BrS ECG was associated with an earlier onset of AEs in pediatric females. A similar prevalence (≈65%) of spontaneous type 1 BrS ECG was present in males and females above the age of 60 years. Females less frequently showed spontaneous type 1 BrS ECG (41% vs 69%; P < .001) or arrhythmia inducibility at electrophysiology study (36% vs 66%; P < .001). An SCN5A mutation was more frequently found in females (48% vs 28% in males; P = .007)., Conclusion: This study confirms that female patients with BrS are much rarer, display less type 1 Brugada ECG, and exhibit lower inducibility rates than do males. It shows for the first time that female patients with BrS with AE have higher SCN5A mutation rates as well as the relationship between gender vs age at the onset of AEs and ethnicity., (Copyright © 2018 Heart Rhythm Society. Published by Elsevier Inc. All rights reserved.)
- Published
- 2018
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6. Fever-related arrhythmic events in the multicenter Survey on Arrhythmic Events in Brugada Syndrome.
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Michowitz Y, Milman A, Sarquella-Brugada G, Andorin A, Champagne J, Postema PG, Casado-Arroyo R, Leshem E, Juang JJM, Giustetto C, Tfelt-Hansen J, Wijeyeratne YD, Veltmann C, Corrado D, Kim SH, Delise P, Maeda S, Gourraud JB, Sacher F, Mabo P, Takahashi Y, Kamakura T, Aiba T, Conte G, Hochstadt A, Mizusawa Y, Rahkovich M, Arbelo E, Huang Z, Denjoy I, Napolitano C, Brugada R, Calo L, Priori SG, Takagi M, Behr ER, Gaita F, Yan GX, Brugada J, Leenhardt A, Wilde AAM, Brugada P, Kusano KF, Hirao K, Nam GB, Probst V, and Belhassen B
- Subjects
- Adolescent, Adult, Aged, Brugada Syndrome physiopathology, Child, Child, Preschool, Female, Humans, Infant, Infant, Newborn, Male, Middle Aged, Prognosis, Ventricular Fibrillation physiopathology, Young Adult, Brugada Syndrome complications, Electrocardiography, Fever complications, Surveys and Questionnaires, Ventricular Fibrillation etiology
- Abstract
Background: The literature on fever-related arrhythmic events (AEs) in Brugada syndrome (BrS) is currently limited to few case reports and small series., Objective: The present study aimed to describe the characteristics of fever-related AE in a large cohort of patients with BrS., Methods: The Survey on Arrhythmic Events in Brugada Syndrome is a multicenter study on 678 patients with BrS with first AE documented at the time of aborted cardiac arrest (n = 426) or after prophylactic implantable cardioverter-defibrillator implantation (n = 252)., Results: In 35 of 588 patients (6%) with available information, the AE occurred during a febrile illness. Most of the 35 patients were male (80%), Caucasian (83%), and proband (70%). The mean age at the time of AE was 29 ± 24 years (range 0.3-76 years). Most patients (80%) presented with aborted cardiac arrest and 6 (17%) with arrhythmic storm. Family history of sudden death, history of syncope, and spontaneous type 1 Brugada electrocardiogram were noted in 17%, 40%, and 71% of patients, respectively. Ventricular fibrillation was induced at electrophysiology study in 9 of 19 patients (47%). An SCN5A mutation was found in 14 of 28 patients (50%). The highest proportion of fever-related AE was observed in the pediatric population (age <16 years), with a disproportionally higher event rate in the very young (age 0-5 years) (65%). Males were involved in all age groups and females only in the pediatric and elderly groups. Fever-related AE affected 17 Caucasians aged <24 years, but no Asians aged <24 years., Conclusion: The risk of fever-related AE in BrS markedly varies according to age group, sex, and ethnicity. Taking these factors into account could help the clinical management of patients with BrS with fever., (Copyright © 2018 Heart Rhythm Society. All rights reserved.)
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- 2018
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7. Arrhythmic Events in Brugada Syndrome: A Nationwide Israeli Survey of the Clinical Characteristics, Treatment; and Long-Term Follow-up (ISRABRU-VF).
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Leshem E, Rahkovich M, Mazo A, Suleiman M, Blich M, Laish-Farkash A, Konstantino Y, Fogelman R, Strasberg B, Geist M, Chetboun I, Swissa M, Ilan M, Glick A, Michowitz Y, Rosso R, Glikson M, and Belhassen B
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- Adolescent, Adult, Aged, Aged, 80 and over, Anti-Arrhythmia Agents therapeutic use, Arrhythmias, Cardiac therapy, Brugada Syndrome therapy, Cohort Studies, Comorbidity, Electrocardiography methods, Female, Follow-Up Studies, Humans, Israel epidemiology, Male, Middle Aged, Quinidine therapeutic use, Young Adult, Arrhythmias, Cardiac epidemiology, Arrhythmias, Cardiac physiopathology, Brugada Syndrome epidemiology, Brugada Syndrome physiopathology, Defibrillators, Implantable
- Abstract
Background: Limited information exists about detailed clinical characteristics and management of the small subset of Brugada syndrome (BrS) patients who had an arrhythmic event (AE)., Objectives: To conduct the first nationwide survey focused on BrS patients with documented AE., Methods: Israeli electrophysiology units participated if they had treated BrS patients who had cardiac arrest (CA) (lethal/aborted; group 1) or experienced appropriate therapy for tachyarrhythmias after prophylactic implantable cardioverter defibrillator (ICD) implantation (group 2)., Results: The cohort comprised 31 patients: 25 in group 1, 6 in group 2. Group 1: 96% male, mean CA age 38 years (range 13-84). Nine patients (36%) presented with arrhythmic storm and three had a lethal outcome; 17 (68%) had spontaneous type 1 Brugada electrocardiography (ECG). An electrophysiology study (EPS) was performed on 11 patients with inducible ventricular fibrillation (VF) in 10, which was prevented by quinidine in 9/10 patients. During follow-up (143 ± 119 months) eight patients experienced appropriate shocks, none while on quinidine. Group 2: all male, age 30-53 years; 4/6 patients had familial history of sudden death age < 50 years. Five patients had spontaneous type 1 Brugada ECG and four were asymptomatic at ICD implantation. EPS was performed in four patients with inducible VF in three. During long-term follow-up, five patients received ≥ 1 appropriate shocks, one had ATP for sustained VT (none taking quinidine). No AE recurred in patients subsequently treated with quinidine., Conclusions: CA from BrS is apparently a rare occurrence on a national scale and no AE occurred in any patient treated with quinidine.
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- 2018
8. Profile of patients with Brugada syndrome presenting with their first documented arrhythmic event: Data from the Survey on Arrhythmic Events in BRUgada Syndrome (SABRUS).
- Author
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Milman A, Andorin A, Gourraud JB, Postema PG, Sacher F, Mabo P, Kim SH, Juang JJM, Maeda S, Takahashi Y, Kamakura T, Aiba T, Conte G, Sarquella-Brugada G, Leshem E, Rahkovich M, Hochstadt A, Mizusawa Y, Arbelo E, Huang Z, Denjoy I, Giustetto C, Wijeyeratne YD, Napolitano C, Michowitz Y, Brugada R, Casado-Arroyo R, Champagne J, Calo L, Tfelt-Hansen J, Priori SG, Takagi M, Veltmann C, Delise P, Corrado D, Behr ER, Gaita F, Yan GX, Brugada J, Leenhardt A, Wilde AAM, Brugada P, Kusano KF, Hirao K, Nam GB, Probst V, and Belhassen B
- Subjects
- Adolescent, Adult, Aged, Brugada Syndrome complications, Brugada Syndrome physiopathology, China epidemiology, Death, Sudden, Cardiac epidemiology, Europe epidemiology, Female, Humans, Incidence, Israel epidemiology, Japan epidemiology, Male, Middle Aged, Prognosis, Quebec epidemiology, Republic of Korea epidemiology, Survival Rate trends, Time Factors, United States epidemiology, Young Adult, Brugada Syndrome therapy, Death, Sudden, Cardiac prevention & control, Defibrillators, Implantable, Electrocardiography, Risk Assessment, Surveys and Questionnaires
- Abstract
Background: Detailed information on the profile of patients with Brugada syndrome (BrS) presenting their first arrhythmic event (AE) after prophylactic implantation of an implantable cardioverter-defibrillator (ICD) is limited., Objectives: The objectives of this study were (1) to compare clinical, electrocardiographic, electrophysiologic, and genetic profiles of patients who exhibited their first documented AE as aborted cardiac arrest (group A) with profiles of those in whom the AE was documented after prophylactic ICD implantation (group B) and (2) to characterize group B patients' profile using the class II indications for ICD implantation established by HRS/EHRA/APHRS expert consensus statement in 2013., Methods: A survey of 23 centers from 10 Western and 4 Asian countries enabled data collection of 678 patients with BrS who exhibited their AE (group A, n = 426; group B, n = 252)., Results: The first AE occurred in group B patients 6.7 years later than in group A (mean age 46.1 ± 13.3 years vs 39.4 ± 15.1 years; P < .001). Group B patients had a higher incidence of family history of sudden cardiac death and SCN5A mutations. Of the 252 group B patients, 189 (75%) complied with the HRS/EHRA/APHRS indications whereas the remaining 63 (25%) did not., Conclusion: Patients with BrS with the first AE documented after prophylactic ICD implantation exhibited their AE at a later age with a higher incidence of positive family history of sudden cardiac death and SCN5A mutations as compared with those presenting with aborted cardiac arrest. Only 75% of patients who exhibited an AE after receiving a prophylactic ICD complied with the 2013 class II indications, suggesting that efforts are still required for improving risk stratification., (Copyright © 2018 Heart Rhythm Society. Published by Elsevier Inc. All rights reserved.)
- Published
- 2018
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9. Age of First Arrhythmic Event in Brugada Syndrome: Data From the SABRUS (Survey on Arrhythmic Events in Brugada Syndrome) in 678 Patients.
- Author
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Milman A, Andorin A, Gourraud JB, Sacher F, Mabo P, Kim SH, Maeda S, Takahashi Y, Kamakura T, Aiba T, Conte G, Juang JJM, Leshem E, Rahkovich M, Hochstadt A, Mizusawa Y, Postema PG, Arbelo E, Huang Z, Denjoy I, Giustetto C, Wijeyeratne YD, Napolitano C, Michowitz Y, Brugada R, Casado-Arroyo R, Champagne J, Calo L, Sarquella-Brugada G, Tfelt-Hansen J, Priori SG, Takagi M, Veltmann C, Delise P, Corrado D, Behr ER, Gaita F, Yan GX, Brugada J, Leenhardt A, Wilde AAM, Brugada P, Kusano KF, Hirao K, Nam GB, Probst V, and Belhassen B
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- Adolescent, Adult, Age of Onset, Aged, Female, Humans, Male, Middle Aged, Prognosis, Brugada Syndrome physiopathology, Brugada Syndrome therapy, Defibrillators, Implantable
- Abstract
Background: Data on the age at first arrhythmic event (AE) in Brugada syndrome are from limited patient cohorts. The aim of this study is 2-fold: (1) to define the age at first AE in a large cohort of patients with Brugada syndrome, and (2) to assess the influence of the mode of AE documentation, sex, and ethnicity on the age at first AE., Methods and Results: A survey of 23 centers from 10 Western and 4 Asian countries gathered data from 678 patients with Brugada syndrome (91.3% men) with first AE documented at time of aborted cardiac arrest (group A, n=426) or after prophylactic implantable cardioverter-defibrillator implantation (group B, n=252). The vast majority (94.2%) of the patients were 16 to 70 years old at the time of AE, whereas pediatric (<16 years) and elderly patients (>70 years) comprised 4.3% and 1.5%, respectively. Peak AE rate occurred between 38 and 48 years (mean, 41.9±14.8; range, 0.27-84 years). Group A patients were younger than in Group B by a mean of 6.7 years (46.1±13.2 versus 39.4±15.0 years; P <0.001). In adult patients (≥16 years), women experienced AE 6.5 years later than men ( P =0.003). Whites and Asians exhibited their AE at the same median age (43 years)., Conclusions: SABRUS (Survey on Arrhythmic Events in Brugada Syndrome) presents the first analysis on the age distribution of AE in Brugada syndrome, suggesting 2 age cutoffs (16 and 70 years) that might be important for decision-making. It also allows gaining insights on the influence of mode of arrhythmia documentation, patient sex, and ethnic origin on the age at AE., (© 2017 American Heart Association, Inc.)
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- 2017
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10. Management of Brugada Syndrome: Thirty-Three-Year Experience Using Electrophysiologically Guided Therapy With Class 1A Antiarrhythmic Drugs.
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Belhassen B, Rahkovich M, Michowitz Y, Glick A, and Viskin S
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- Adult, Aged, Aged, 80 and over, Anti-Arrhythmia Agents classification, Brugada Syndrome diagnosis, Brugada Syndrome physiopathology, Cardiac Pacing, Artificial, Electrocardiography, Electrophysiologic Techniques, Cardiac, Female, Humans, Israel, Male, Middle Aged, Time Factors, Treatment Outcome, Ventricular Fibrillation diagnosis, Ventricular Fibrillation physiopathology, Young Adult, Anti-Arrhythmia Agents therapeutic use, Brugada Syndrome drug therapy, Heart Rate drug effects, Ventricular Fibrillation drug therapy
- Abstract
Background: Information on long-term clinical outcome of patients with Brugada syndrome treated with electrophysiologically guided class 1A antiarrhythmic drugs (AAD) is limited., Methods and Results: An aggressive protocol of programmed ventricular stimulation was performed in 96 patients with Brugada syndrome (88% males; mean age, 39.8±15.9 years). Ten patients were cardiac arrest survivors, 27 had presented with syncope, and 59 were asymptomatic. Ventricular fibrillation was induced in 66 patients, including 100%, 74%, and 61% of patients with cardiac arrest, syncope, and no symptoms, respectively. All but 6 of the 66 patients with inducible ventricular fibrillation underwent electrophysiological testing on quinidine (n=54), disopyramide (n=2), or both (n=4). Fifty-four (90%) patients were electrophysiological responders to >1 AAD with similar efficacy rates (≈90%) in all patients groups. Patients with no inducible ventricular fibrillation at baseline were left on no therapy. After a mean follow-up of 113.3±71.5 months, 92 patients were alive, whereas 4 died from noncardiac causes. No arrhythmic event occurred during class 1A AAD therapy in any of electrophysiological drug responders and in patients with no baseline inducible ventricular fibrillation. Arrhythmic events occurred in only 2 cardiac arrest survivors treated with implantable cardioverter-defibrillator alone but did not recur on quinidine. All cases of recurrent syncope (n=12) were attributed to a vasovagal (n=10) or nonarrhythmic mechanism (n=2). Class 1A AAD therapy resulted in 38% incidence of side effects that resolved after drug discontinuation., Conclusions: Our data suggest that electrophysiologically guided class 1A AAD treatment has a place in our therapeutic armamentarium for all types of patients with Brugada syndrome., (© 2015 American Heart Association, Inc.)
- Published
- 2015
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11. Arrhythmic risk stratification by programmed ventricular stimulation in Brugada syndrome: the end of the debate?
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Belhassen B and Michowitz Y
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- Female, Humans, Male, Brugada Syndrome therapy, Defibrillators, Implantable, Electric Stimulation methods, Electrophysiologic Techniques, Cardiac, Forecasting
- Published
- 2015
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12. Time-to-first appropriate shock in patients implanted prophylactically with an implantable cardioverter-defibrillator: data from the Survey on Arrhythmic Events in BRUgada Syndrome (SABRUS).
- Author
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Milman, Anat, Hochstadt, Aviram, Andorin, Antoine, Gourraud, Jean-Baptiste, Sacher, Frederic, Mabo, Philippe, Kim, Sung-Hwan, Conte, Giulio, Arbelo, Elena, Kamakura, Tsukasa, Aiba, Takeshi, Napolitano, Carlo, Giustetto, Carla, Denjoy, Isabelle, Juang, Jimmy J M, Maeda, Shingo, Takahashi, Yoshihide, Leshem, Eran, Michowitz, Yoav, and Rahkovich, Michael
- Abstract
Aims: Data on predictors of time-to-first appropriate implantable cardioverter-defibrillator (ICD) therapy in patients with Brugada Syndrome (BrS) and prophylactically implanted ICD's are scarce.Methods and Results: SABRUS (Survey on Arrhythmic Events in BRUgada Syndrome) is an international survey on 678 BrS patients who experienced arrhythmic event (AE) including 252 patients in whom AE occurred after prophylactic ICD implantation. Analysis was performed on time-to-first appropriate ICD discharge regarding patients' characteristics. Multivariate logistic regression models were utilized to identify which parameters predicted time to arrhythmia ≤5 years. The median time-to-first appropriate ICD therapy was 24.8 ± 2.8 months. A shorter time was observed in patients from Asian ethnicity (P < 0.05), those with syncope (P = 0.001), and those with Class IIa indication for ICD (P = 0.001). A longer time was associated with a positive family history of sudden cardiac death (P < 0.05). Multivariate Cox regression revealed shorter time-to-ICD therapy in patients with syncope [odds ratio (OR) 1.65, P = 0.001]. In 193 patients (76.6%), therapy was delivered during the first 5 years. Factors associated with this time were syncope (OR 0.36, P = 0.001), spontaneous Type 1 Brugada electrocardiogram (ECG) (OR 0.5, P < 0.05), and Class IIa indication (OR 0.38, P < 0.01) as opposed to Class IIb (OR 2.41, P < 0.01). A near-significant trend for female gender was also noted (OR 0.13, P = 0.052). Two score models for prediction of <5 years to shock were built.Conclusion: First appropriate therapy in BrS patients with prophylactic ICD's occurred during the first 5 years in 76.6% of patients. Syncope and spontaneous Type 1 Brugada ECG correlated with a shorter time to ICD therapy. [ABSTRACT FROM AUTHOR]- Published
- 2019
- Full Text
- View/download PDF
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