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Bisceglia C, Limite LR, Baratto F, D'Angelo G, Cireddu M, Della Bella P. Road-Map to Epicardial Approach for Catheter Ablation of Ventricular Tachycardia in Structural Heart Disease: Results From a 10-Year Tertiary-Center Experience. Circ Arrhythm Electrophysiol 2024; 17:e012181. [PMID: 38836351 DOI: 10.1161/circep.123.012181] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Accepted: 05/14/2024] [Indexed: 06/06/2024]
Abstract
BACKGROUND Epicardial approach in ventricular tachycardia (VT) ablation is still regarded as a second-step strategy, due to the risk of complications. We evaluated the frequency that epicardial ablation targets were identified and ablation performed following pericardial access compared with unnecessary pericardial access for different VT causes and potential markers of epicardial VT. METHODS All VT ablation procedures including epicardial approach over a 10-year period were included. First-line epicardial approach was indicated in arrhythmogenic right ventricular cardiomyopathy (ARVC) and postmyocarditis VT; in patients with idiopathic dilated cardiomyopathy (IDCM) and postmyocardial infarction, indications resulted from available imaging techniques or 12-lead VT morphology. The epicardial approach was considered useful if epicardial ablation was performed after epicardial mapping. Feasibility, complications, and long-term outcome were reported. RESULTS Four hundred and eighty-eight subjects with a median age of 60 years (interquartile range, 47-65) and of left ventricle ejection fraction 41% (interquartile range, 30-55) underwent 626 epicardial VT ablations. Percutaneous access had a success rate of 92.2% and a complication rate of 3.6%. Overall, epicardial approach was, respectively, indicated to 11.8% of postmyocardial infarction patients, 49.5% in IDCM, 94% in myocarditis, and 90.7% in ARVC. Epicardial ablation at the first ablation attempt was performed in 9.3% of postmyocardial infarction patients, 28.8% in IDCM, 86.5% in myocarditis, and 81.3% in patients with ARVC. In first-line epicardial group, ARVC and myocarditis showed the highest odds for epicardial ablation (OR, 4.057 [95% CI, 1.299-8.937]; P=0.007; OR, 3.971 [95% CI, 1.376-11.465]; P=0.005, respectively). IDCM independently predicted unnecessary epicardial approach (OR, 2.7 [95% CI, 1.7-4.3]; P<0.001). After a follow-up of 41 months (interquartile range, 19-64), patients with IDCM experienced higher rate of recurrences and mortality compared with other causes. CONCLUSIONS Epicardial approach is integral part of ablation armamentarium regardless of the VT cause, with high feasibility and low complication rate in experienced centers. Our data support its use at first ablation attempt in VTs related to ARVC and myocarditis.
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Affiliation(s)
- Caterina Bisceglia
- Arrhythmia Unit and EP laboratories, San Raffaele Hospital, Milan, Italy
| | - Luca R Limite
- Arrhythmia Unit and EP laboratories, San Raffaele Hospital, Milan, Italy
| | - Francesca Baratto
- Arrhythmia Unit and EP laboratories, San Raffaele Hospital, Milan, Italy
| | - Giuseppe D'Angelo
- Arrhythmia Unit and EP laboratories, San Raffaele Hospital, Milan, Italy
| | - Manuela Cireddu
- Arrhythmia Unit and EP laboratories, San Raffaele Hospital, Milan, Italy
| | - Paolo Della Bella
- Arrhythmia Unit and EP laboratories, San Raffaele Hospital, Milan, Italy
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Tani K, Takami M, Kawamori H, Toba T, Kakizaki S, Fukuzawa K. Sequential approach for the prevention of phrenic nerve injuries during epicardial radiofrequency ablation of ventricular tachycardia. HeartRhythm Case Rep 2023; 9:429-433. [PMID: 37492050 PMCID: PMC10363457 DOI: 10.1016/j.hrcr.2023.04.021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/27/2023] Open
Affiliation(s)
- Kenichi Tani
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Mitsuru Takami
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
- Section of Arrhythmia, Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Hiroyuki Kawamori
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Takayoshi Toba
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Shunsuke Kakizaki
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Koji Fukuzawa
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
- Section of Arrhythmia, Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
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The effects of pneumopericardium during epicardial catheter ablation after dry pericardiocentesis on patients with ventricular arrhythmia. J Interv Card Electrophysiol 2023; 66:373-379. [PMID: 35915196 DOI: 10.1007/s10840-022-01327-5] [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: 05/01/2022] [Accepted: 07/28/2022] [Indexed: 02/08/2023]
Abstract
BACKGROUND Pneumopericardium is a rare complication of epicardial ablation after dry pericardiocentesis to treat ventricular arrhythmia (VA); its exact clinical effects on patients are still unclear. The purpose of this study was to evaluate the clinical effects of pneumopericardium during epicardial ablation on patients with VA. METHODS Patients with VA who underwent epicardial catheter ablation under local anesthesia at West China Hospital of Sichuan University from August 2012 to January 2022 were enrolled in this study. The incidence of pneumopericardium was investigated. The occurrence of major adverse cardiovascular events (MACEs) was evaluated 1 year after the operation. RESULTS A total of 86 VA patients were included in the study. Twenty-two cases had pneumopericardium, with an incidence rate of 25.6%, and 12 (54.55%) patients complained of dyspnea during the procedure with an average occurrence time of 5.4 ± 3.2 min after pericardiocentesis. The blood pressure (BP) decreased significantly, with the mean BP dropping from 119.8/73.2 to 103.5/64.9 mmHg (p < 0.001). None of the cases progressed to tension pneumopericardium. Postoperative follow-up with a median period of 411 days showed that the incidence rate of major adverse cardiovascular events (MACEs), including the composite endpoints of all-cause death, rehospitalization for heart failure, and tachyarrhythmia events, was 36.4% (n = 8) in the pneumopericardium group and 35.5% (n = 23) in the non-pneumopericardium group. The Kaplan-Meier survival analysis showed that there was no statistically significant difference in the incidence of MACEs between the two groups (p = 0.28). CONCLUSIONS The incidence of pneumopericardium during epicardial ablation was relatively high. However, if recognized early and managed properly, it is unlikely to progress to tension pneumopericardium. The occurrence of pneumopericardium during the procedure may not significantly affect the long-term prognosis of patients.
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Conti S, Sabatino F, Cascino A, Ferrara G, Sgarito G. Dexmedetomidine for sedation during epicardial ablation for ventricular tachycardia: a single-center experience. J Interv Card Electrophysiol 2023; 66:79-85. [PMID: 36018425 DOI: 10.1007/s10840-022-01350-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/13/2022] [Accepted: 08/15/2022] [Indexed: 11/28/2022]
Abstract
BACKGROUND Epicardial approach to ventricular tachycardia (VT) ablation is mainly performed under general anesthesia (GA). Although catheter manipulation and ablation in the epicardial space could be painful, GA lowers blood pressure and may interfere with arrhythmia induction and mapping, and the use of muscle relaxants precludes identification of the phrenic nerve (PN). Moreover, an anesthesiologist's presence is required during GA for the whole procedure, which may not always be possible. Therefore, we evaluated the feasibility and safety of epicardial VT ablations performed under conscious sedation using dexmedetomidine in our center. METHODS Between January 2018 and January 2022, all patients who underwent epicardial VT ablation under continuous dexmedetomidine infusion were prospectively included in the study. All patients received premedication 30 min before the epicardial puncture with paracetamol (acetaminophen 10 mg/ml) 1000 mg and ketorolac 30 mg. Sedation protocol included an intravenous bolus of midazolam hydrochloride (0.03-0.05 mg/kg) followed by continuous infusion of dexmedetomidine (0.2-0.7 mcg/kg/h). In addition, an intravenous fentanyl citrate bolus (0.7-1.4 mcg/kg) was given for short-term analgesia, followed by a second dose repeated after 30 to 45 min. Sedation-related complications were defined in case of respiratory failure, severe hypotension, and bradycardia requiring treatment. RESULTS Sixty-nine patients underwent epicardial or endo-epi VT ablation under conscious sedation and were included in the analysis. The mean age was 65.4 ± 12.1 years; forty-six patients were males (66.6%). All patients had drug-refractory recurrent VT. Forty-seven patients (68.1%) had non-ischemic cardiomyopathy (NICM), 13 patients (18.9%) had ischemic-cardiomyopathy (ICM), and 9 patients (13%) had myocarditis. Standard percutaneous sub-xiphoid access was attempted in all patients. Non-inducibility of any VT was achieved in 82.6% (9/9 myocarditis, 10/13 ICM, 38/47 NICM, n = 57/69 patients), inducibility of non-clinical VT in 13% (3/13 ICM, 6/38 NICM, n = 9/69 patients), and failure in 4.3% (3/38 NICM, n = 3/69 patients). Although we observed procedural-related complications in five patients (7.2%), one transient PN palsy, two pericarditis, and two vascular complications, those were not related to the conscious sedation protocol. No respiratory failure, severe hypotension, or bradycardia requiring treatment has been observed among the patients. CONCLUSIONS Prompt availability of anesthesiology support remains crucial for complex procedures such as epicardial VT ablation. Continuous infusion of dexmedetomidine and administration of midazolam and fentanyl seem to be a safe and effective sedation protocol in patients undergoing epicardial VT ablation.
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Affiliation(s)
- Sergio Conti
- Department of Cardiology, Electrophysiology Unit, ARNAS Civico - Di Cristina - Benfratelli, P.Zza Nicola Leotta, 4, 90127, Palermo, Italy.
| | - Francesco Sabatino
- Department of Cardiology, Electrophysiology Unit, ARNAS Civico - Di Cristina - Benfratelli, P.Zza Nicola Leotta, 4, 90127, Palermo, Italy
| | - Antonio Cascino
- Department of Cardiology, Electrophysiology Unit, ARNAS Civico - Di Cristina - Benfratelli, P.Zza Nicola Leotta, 4, 90127, Palermo, Italy
| | - Giuliano Ferrara
- Department of Cardiology, Electrophysiology Unit, ARNAS Civico - Di Cristina - Benfratelli, P.Zza Nicola Leotta, 4, 90127, Palermo, Italy
| | - Giuseppe Sgarito
- Department of Cardiology, Electrophysiology Unit, ARNAS Civico - Di Cristina - Benfratelli, P.Zza Nicola Leotta, 4, 90127, Palermo, Italy
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Tarantino N, Della Rocca DG, Faggioni M, Zhang XD, Mohanty S, Anannab A, Canpolat U, Ayhan H, Bassiouny M, Sahore A, Aytemir K, Sarcon A, Forleo GB, Lavalle C, Horton RP, Trivedi C, Al-Ahmad A, Romero J, Burkhardt DJ, Gallinghouse JG, Di Biase L, Natale A. Epicardial Ablation Complications. Card Electrophysiol Clin 2020; 12:409-418. [PMID: 32771194 DOI: 10.1016/j.ccep.2020.06.004] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
The percutaneous epicardial approach has become an adjunctive tool for electrophysiologists to treat disparate cardiac arrhythmias, including accessory pathways, atrial tachycardia, and particularly ventricular tachycardia. This novel technique prompted a strong impulse to perform epicardial access as an alternative strategy for pacing and defibrillation, left atrial appendage exclusion, heart failure with preserved ejection fraction, and genetically engineered tissue delivery. However, because of the incremental risk of major complications compared with stand-alone endocardial ablation, it is still practiced in a limited number of highly experienced centers across the world.
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Affiliation(s)
- Nicola Tarantino
- Arrhythmia Services, Department of Medicine, Montefiore Medical Center, Albert Einstein College of Medicine, 110 East 210th Street, Bronx, NY 10467, USA
| | - Domenico G Della Rocca
- Texas Cardiac Arrhythmia Institute, St. David's Medical Center, 919 East 32nd Street, Austin, TX 78705, USA.
| | - Michela Faggioni
- Icahn School of Medicine at Mount Sinai, New York, NY, USA; James J Peters Veterans Affairs Medical Center, Bronx, NY, USA
| | - Xiao-Dong Zhang
- Arrhythmia Services, Department of Medicine, Montefiore Medical Center, Albert Einstein College of Medicine, 110 East 210th Street, Bronx, NY 10467, USA
| | - Sanghamitra Mohanty
- Texas Cardiac Arrhythmia Institute, St. David's Medical Center, 919 East 32nd Street, Austin, TX 78705, USA
| | - Alisara Anannab
- Texas Cardiac Arrhythmia Institute, St. David's Medical Center, 919 East 32nd Street, Austin, TX 78705, USA; Department of Cardiovascular Intervention, Central Chest Institute of Thailand, Nonthaburi, Thailand
| | - Ugur Canpolat
- Texas Cardiac Arrhythmia Institute, St. David's Medical Center, 919 East 32nd Street, Austin, TX 78705, USA; Department of Cardiology, Hacettepe University Faculty of Medicine, Sıhhiye, Ankara 06100, Turkey
| | - Huseyin Ayhan
- Texas Cardiac Arrhythmia Institute, St. David's Medical Center, 919 East 32nd Street, Austin, TX 78705, USA; Department of Cardiology, Faculty of Medicine, Yıldırım Beyazıt University, Ankara, Turkey
| | - Mohamed Bassiouny
- Texas Cardiac Arrhythmia Institute, St. David's Medical Center, 919 East 32nd Street, Austin, TX 78705, USA
| | - Anu Sahore
- Texas Cardiac Arrhythmia Institute, St. David's Medical Center, 919 East 32nd Street, Austin, TX 78705, USA
| | - Kudret Aytemir
- Department of Cardiology, Hacettepe University Faculty of Medicine, Sıhhiye, Ankara 06100, Turkey
| | - Annahita Sarcon
- Division of Electrophysiology, University of California San Francisco, San Francisco, CA, USA
| | - Giovanni B Forleo
- Department of Cardiology, Azienda Ospedaliera-Universitaria "Luigi Sacco", Milano, Italy
| | - Carlo Lavalle
- Department of Cardiology, Policlinico Universitario Umberto I, Policlinico Street, Roma 155-00161, Italy
| | - Rodney P Horton
- Texas Cardiac Arrhythmia Institute, St. David's Medical Center, 919 East 32nd Street, Austin, TX 78705, USA
| | - Chintan Trivedi
- Texas Cardiac Arrhythmia Institute, St. David's Medical Center, 919 East 32nd Street, Austin, TX 78705, USA
| | - Amin Al-Ahmad
- Texas Cardiac Arrhythmia Institute, St. David's Medical Center, 919 East 32nd Street, Austin, TX 78705, USA
| | - Jorge Romero
- Arrhythmia Services, Department of Medicine, Montefiore Medical Center, Albert Einstein College of Medicine, 110 East 210th Street, Bronx, NY 10467, USA
| | - David J Burkhardt
- Texas Cardiac Arrhythmia Institute, St. David's Medical Center, 919 East 32nd Street, Austin, TX 78705, USA
| | - Joseph G Gallinghouse
- Texas Cardiac Arrhythmia Institute, St. David's Medical Center, 919 East 32nd Street, Austin, TX 78705, USA
| | - Luigi Di Biase
- Arrhythmia Services, Department of Medicine, Montefiore Medical Center, Albert Einstein College of Medicine, 110 East 210th Street, Bronx, NY 10467, USA; Texas Cardiac Arrhythmia Institute, St. David's Medical Center, 919 East 32nd Street, Austin, TX 78705, USA; Department of Clinical and Experimental Medicine, University of Foggia, Foggia, Italy
| | - Andrea Natale
- Texas Cardiac Arrhythmia Institute, St. David's Medical Center, 919 East 32nd Street, Austin, TX 78705, USA; Interventional Electrophysiology, Scripps Clinic, La Jolla, CA, USA; Department of Cardiology, MetroHealth Medical Center, Case Western Reserve University School of Medicine, Cleveland, OH, USA; Division of Cardiology, Stanford University, Stanford, CA, USA
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Shah RL, Perino A, Obafemi O, Lee A, Badhwar N. Intentional pneumothorax avoids collateral damage: Dynamic phrenic nerve mobilization through intrathoracic insufflation of carbon dioxide. HeartRhythm Case Rep 2020; 5:480-484. [PMID: 31934546 PMCID: PMC6951311 DOI: 10.1016/j.hrcr.2019.07.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
Affiliation(s)
- Rajan L Shah
- Section of Cardiac Electrophysiology, Division of Cardiology, Stanford University School of Medicine, Stanford, California
| | - Alexander Perino
- Section of Cardiac Electrophysiology, Division of Cardiology, Stanford University School of Medicine, Stanford, California
| | - Oluwatomisin Obafemi
- Department of Cardiothoracic Surgery, Stanford University School of Medicine, Stanford, California
| | - Anson Lee
- Department of Cardiothoracic Surgery, Stanford University School of Medicine, Stanford, California
| | - Nitish Badhwar
- Section of Cardiac Electrophysiology, Division of Cardiology, Stanford University School of Medicine, Stanford, California
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