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Lee S, Lee J, Hwang SY, Ju JW, Nam K, Ahn HJ, Lee SR, Choi EK, Jeon Y, Cho YJ. Remimazolam-flumazenil provides fast recovery from general anesthesia compared to propofol during radiofrequency catheter ablation of atrial fibrillation. Sci Rep 2024; 14:12660. [PMID: 38831029 PMCID: PMC11148142 DOI: 10.1038/s41598-024-63578-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2023] [Accepted: 05/30/2024] [Indexed: 06/05/2024] Open
Abstract
The optimal anesthetic agent for radiofrequency catheter ablation (RFCA) of atrial fibrillation (AF) and its impact on the recovery profiles remain uncertain. We compared the recovery and hemodynamic parameters between the remimazolam-flumazenil and propofol groups during RFCA. Patients were randomized into the remimazolam-flumazenil and propofol groups. The primary outcome measure was the time to eye opening following the discontinuation of anesthetic agents. Secondary outcomes included time to extubation, time to discharge from the operating room, intraprocedural hemodynamic variables and postoperative quality outcomes. Fifty-three patients were included in the final analysis (n = 26 in the remimazolam-flumazenil and n = 27 in the propofol group). The time to eye opening was significantly shorter in the remimazolam-flumazenil group compared to the propofol group (median [interquartile range]: 174 [157-216] vs. 353 [230-483] s, P < 0.001). The mean blood pressure and bispectral index were significantly higher in the remimazolam-flumazenil group compared to the propofol group (mean difference [95% CI], 7.2 [1.7-12.7] mmHg and 6 [3-8]; P = 0.011 and < 0.001, respectively), which were within target ranges in both groups. Other secondary outcomes were comparable between the groups. Consequently, remimazolam emerges as a promising anesthetic agent, characterized by rapid recovery and stable hemodynamics, during RFCA of AF.Trial registration: NCT05397886.
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Affiliation(s)
- Seohee Lee
- Department of Anesthesiology and Pain Medicine, Seoul National University Hospital, Seoul National University College of Medicine, 101 Daehak-ro, Jongno-gu, Seoul, 03080, Republic of Korea
- Department of Anesthesiology and Pain Medicine, Ajou University Hospital, Ajou University School of Medicine, Suwon, Republic of Korea
| | - Jaemoon Lee
- Department of Anesthesiology and Pain Medicine, Seoul National University Hospital, Seoul National University College of Medicine, 101 Daehak-ro, Jongno-gu, Seoul, 03080, Republic of Korea
- Department of Anesthesiology and Pain Medicine, Konkuk University Hospital, Konkuk University College of Medicine, Seoul, Republic of Korea
| | - So Yeong Hwang
- Department of Anesthesiology and Pain Medicine, Seoul National University Hospital, Seoul National University College of Medicine, 101 Daehak-ro, Jongno-gu, Seoul, 03080, Republic of Korea
| | - Jae-Woo Ju
- Department of Anesthesiology and Pain Medicine, Seoul National University Hospital, Seoul National University College of Medicine, 101 Daehak-ro, Jongno-gu, Seoul, 03080, Republic of Korea
| | - Karam Nam
- Department of Anesthesiology and Pain Medicine, Seoul National University Hospital, Seoul National University College of Medicine, 101 Daehak-ro, Jongno-gu, Seoul, 03080, Republic of Korea
| | - Hyo-Jeong Ahn
- Department of Internal Medicine, Seoul National University Hospital, Seoul, Republic of Korea
| | - So-Ryoung Lee
- Department of Internal Medicine, Seoul National University Hospital, Seoul, Republic of Korea
- Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Eue-Keun Choi
- Department of Internal Medicine, Seoul National University Hospital, Seoul, Republic of Korea
- Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Yunseok Jeon
- Department of Anesthesiology and Pain Medicine, Seoul National University Hospital, Seoul National University College of Medicine, 101 Daehak-ro, Jongno-gu, Seoul, 03080, Republic of Korea
| | - Youn Joung Cho
- Department of Anesthesiology and Pain Medicine, Seoul National University Hospital, Seoul National University College of Medicine, 101 Daehak-ro, Jongno-gu, Seoul, 03080, Republic of Korea.
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Jet Ventilation Reduces Coronary Sinus Movement in Patients Undergoing Atrial Fibrillation Ablation: An Observational Crossover Study. J Pers Med 2023; 13:jpm13020186. [PMID: 36836420 PMCID: PMC9967483 DOI: 10.3390/jpm13020186] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2022] [Revised: 01/18/2023] [Accepted: 01/18/2023] [Indexed: 01/25/2023] Open
Abstract
BACKGROUND One of the reasons that high-frequency jet ventilation (HFJV) is used is due to the near immobility of thoracic structures. However, no study has quantified the movements of cardiac structures during HFJV compared with normal mechanical ventilation. METHODS After ethical approval and written informed consent, we included 21 patients scheduled for atrial fibrillation ablation in this prospective crossover study. Each patient was ventilated with both normal mechanical ventilation and HFJV. During each ventilation mode, displacements of the cardiac structure were measured by the EnSite Precision mapping system using a catheter placed in the coronary sinus. RESULTS The median [Q1-Q4] displacement was 2.0 [0.6-2.8] mm during HFJV and 10.5 [9.3-13.0] mm during conventional ventilation (p < 0.000001). CONCLUSION This study quantifies the minimal movement of cardiac structures during HFJV compared to standard mechanical ventilation.
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Alvarez CK, Zweibel S, Stangle A, Panza G, May T, Marieb M. Anesthetic Considerations in the Electrophysiology Laboratory: A Comprehensive Review. J Cardiothorac Vasc Anesth 2023; 37:96-111. [PMID: 36357307 DOI: 10.1053/j.jvca.2022.10.013] [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: 06/11/2022] [Revised: 10/02/2022] [Accepted: 10/10/2022] [Indexed: 11/06/2022]
Abstract
Catheter ablation procedures for arrhythmias or implantation and/or extraction of cardiac pacemakers can present many clinical challenges. It is imperative that there is clear communication and understanding between the anesthesiologist and electrophysiologist during the perioperative period regarding the mode of ventilation, hemodynamic considerations, and various procedural complications. This article provides a comprehensive narrative review of the anesthetic techniques and considerations for catheter ablation procedures, ventilatory modes using techniques such as high-frequency jet ventilation, and strategies such as esophageal deviation and luminal temperature monitoring to decrease the risk of esophageal injury during catheter ablation. Various hemodynamic considerations, such as the intraprocedural triaging of cardiac tamponade and fluid administration during catheter ablation, also are discussed. Finally, this review briefly highlights the early research findings on pulse-field ablation, a new and evolving ablation modality.
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Affiliation(s)
- Chikezie K Alvarez
- Hartford HealthCare Heart and Vascular Institute, Hartford, CT; University of Connecticut, Farmington, CT.
| | - Steven Zweibel
- Hartford HealthCare Heart and Vascular Institute, Hartford, CT
| | - Alexander Stangle
- Hartford HealthCare Heart and Vascular Institute, Hartford, CT; University of Connecticut, Farmington, CT
| | - Gregory Panza
- Hartford HealthCare Heart and Vascular Institute, Hartford, CT; University of Connecticut, Farmington, CT
| | - Thomas May
- Hartford HealthCare Heart and Vascular Institute, Hartford, CT
| | - Mark Marieb
- Hartford HealthCare Heart and Vascular Institute, Hartford, CT; Griffin Hospital, Derby, CT
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Gu Y, Lander HL, Abozaid R, Chang FM, Clifford HS, Aktas MK, Lebow BF, Panda K, Wyrobek JA. Anesthetic Management and Considerations for Electrophysiology Procedures. Adv Anesth 2022; 40:131-147. [PMID: 36333043 DOI: 10.1016/j.aan.2022.06.004] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
The number of electrophysiology (EP) procedures being performed has dramatically increased in recent years. This escalation necessitates a full understanding by the general anesthesiologist as to the risks, specific considerations, and comorbidities that accompany these now common procedures. Procedures reviewed in this article include atrial fibrillation and flutter ablation, supraventricular tachycardia ablation, ventricular tachycardia ablation, electrical cardioversion, pacemaker insertion, implantable cardioverter-defibrillator (ICD) insertion, and ICD lead extraction. General anesthetic considerations as well as procedure-specific concerns are discussed. Knowledge of these procedures will add to the anesthesiologist's armamentarium in safely caring for patients in the EP laboratory.
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Affiliation(s)
- Yang Gu
- Department of Anesthesiology and Perioperative Medicine, University of Rochester School of Medicine & Dentistry, 601 Elmwood Avenue, Box 604, Rochester, NY 14642, USA
| | - Heather L Lander
- Department of Anesthesiology and Perioperative Medicine, University of Rochester School of Medicine & Dentistry, 601 Elmwood Avenue, Box 604, Rochester, NY 14642, USA
| | - Ravie Abozaid
- Department of Anesthesiology and Perioperative Medicine, University of Rochester School of Medicine & Dentistry, 601 Elmwood Avenue, Box 604, Rochester, NY 14642, USA
| | - Francis M Chang
- Department of Anesthesiology and Perioperative Medicine, University of Rochester School of Medicine & Dentistry, 601 Elmwood Avenue, Box 604, Rochester, NY 14642, USA
| | - Hugo S Clifford
- Department of Anesthesiology and Perioperative Medicine, University of Rochester School of Medicine & Dentistry, 601 Elmwood Avenue, Box 604, Rochester, NY 14642, USA
| | - Mehmet K Aktas
- Department of Medicine, Cardiology, University of Rochester School of Medicine & Dentistry, 601 Elmwood Ave, Floor G, Strong Ambulatory Care Facility, Rochester, NY 14642, USA
| | - Brandon F Lebow
- Department of Anesthesiology and Perioperative Medicine, University of Rochester School of Medicine & Dentistry, 601 Elmwood Avenue, Box 604, Rochester, NY 14642, USA
| | - Kunal Panda
- Department of Anesthesiology and Perioperative Medicine, University of Rochester School of Medicine & Dentistry, 601 Elmwood Avenue, Box 604, Rochester, NY 14642, USA
| | - Julie A Wyrobek
- Department of Anesthesiology and Perioperative Medicine, University of Rochester School of Medicine & Dentistry, 601 Elmwood Avenue, Box 604, Rochester, NY 14642, USA.
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Phillips V, Schauvliege S, Decloedt A, Van Steenkiste G, van Loon G. Anaesthetic management for cardiac 3D electro‐anatomical mapping and radiofrequency catheter ablation in a horse with sustained atrial tachycardia. VETERINARY RECORD CASE REPORTS 2022. [DOI: 10.1002/vrc2.332] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Victoria Phillips
- Willows Veterinary Centre and Referral Service Highlands Road Shirley UK
- Department of Surgery and Anaesthesia of Domestic Animals Faculty of Veterinary Medicine Ghent University Merelbeke Belgium
| | - Stijn Schauvliege
- Department of Surgery and Anaesthesia of Domestic Animals Faculty of Veterinary Medicine Ghent University Merelbeke Belgium
| | - Annelies Decloedt
- Equine Cardioteam Department of Large Animal Internal Medicine Faculty of Veterinary Medicine Ghent University Merelbeke Belgium
| | - Glenn Van Steenkiste
- Equine Cardioteam Department of Large Animal Internal Medicine Faculty of Veterinary Medicine Ghent University Merelbeke Belgium
| | - Gunther van Loon
- Equine Cardioteam Department of Large Animal Internal Medicine Faculty of Veterinary Medicine Ghent University Merelbeke Belgium
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Siegrist KK, Fernandez Robles C, Kertai MD, Oprea AD. The Electrophysiology Laboratory: Anesthetic Considerations and Staffing Models. J Cardiothorac Vasc Anesth 2021; 35:2775-2783. [PMID: 33773891 DOI: 10.1053/j.jvca.2021.02.050] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/17/2020] [Revised: 02/10/2021] [Accepted: 02/19/2021] [Indexed: 11/11/2022]
Abstract
The electrophysiology laboratory facilitates complex procedures on patients, many of whom have advanced disease processes and extensive comorbidities. Historically, nurses administered sedation as required, but in recent years a shift to anesthesiologist-led sedation has been promoted for patient safety and advanced therapeutic considerations. Uncertainty remains, however, regarding whether the electrophysiology laboratory is best staffed with general or cardiothoracic anesthesiologists. In this article, the authors discuss the anesthetic considerations of some commonly performed electrophysiology and structural cardiac procedures and the pros and cons of staffing with general or cardiothoracic anesthesiologists.
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Affiliation(s)
- Kara K Siegrist
- Division of Cardiothoracic Anesthesiology, Department of Anesthesiology, Vanderbilt University Medical Center, Nashville, TN
| | | | - Miklos D Kertai
- Division of Cardiothoracic Anesthesiology, Department of Anesthesiology, Vanderbilt University Medical Center, Nashville, TN
| | - Adriana D Oprea
- Department of Anesthesiology, Yale School of Medicine, New Haven, CT.
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7
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Zangrillo A, Morselli F, Lombardi G, Yavorovskiy A, Likhvantsev V, Beretta L, Monaco F, Landoni G. Procedural sedation and analgesia for percutaneous high-tech cardiac procedures. Minerva Cardiol Angiol 2020; 69:358-369. [PMID: 32989964 DOI: 10.23736/s2724-5683.20.05211-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
The interest in percutaneous high-tech cardiac procedures has increased in recent years together with its safety and efficacy. In fragile patients, procedural sedation and analgesia are used to perform most of the procedures. General anesthesia remains the technique of choice during the team learning curve and might be required in selected patients or in emergent situations. Despite the high costs of percutaneous high-tech cardiac procedures, the decrease in length of hospital stays, rate of intensive care admission and complications, balance the increase in devices costs. In fragile patients who undergo percutaneous high tech cardiac procedures, the primary role of the anesthesiologist is to prevent the need for postprocedural intensive care unit and complications rate. Starting from the experience of a large university third level hospital we identified the eight most commonly performed contemporary percutaneous high tech cardiac procedures (ventricular tachycardia and atrial fibrillation ablation, protected percutaneous coronary intervention, transcatheter aortic valve implantation, MitraClip® (Abbott Laboratories; Abbott Park, IL, USA), percutaneous patent foramen ovale closure, left atrial appendage closure, and dysfunctional lead extraction), discuss the role of procedural sedation and analgesia in this setting, and explore future perspectives.
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Affiliation(s)
- Alberto Zangrillo
- IRCCS San Raffaele Scientific Institute, Milan, Italy.,IRCCS San Raffaele Hospital, Vita-Salute San Raffaele University, Milan, Italy
| | | | | | - Andrey Yavorovskiy
- Department of Anesthesiology and Intensive Care, First Moscow State Medical University, Moscow, Russia
| | | | - Luigi Beretta
- IRCCS San Raffaele Scientific Institute, Milan, Italy.,IRCCS San Raffaele Hospital, Vita-Salute San Raffaele University, Milan, Italy
| | | | - Giovanni Landoni
- IRCCS San Raffaele Scientific Institute, Milan, Italy - .,IRCCS San Raffaele Hospital, Vita-Salute San Raffaele University, Milan, Italy
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9
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Skala T, Tudos Z, Moravec O, Hutyra M, Precek J, Skalova J, Klementova O, Zapletalova J, Taborsky M. Atrial fibrillation inducibility after pulmonary vein isolation under general anaesthesia. Biomed Pap Med Fac Univ Palacky Olomouc Czech Repub 2019; 164:261-266. [PMID: 30829344 DOI: 10.5507/bp.2019.004] [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: 12/03/2018] [Accepted: 02/25/2019] [Indexed: 01/08/2023] Open
Abstract
AIMS Atrial fibrillation (AF) inducibility with rapid atrial pacing following AF ablation is associated with higher risk of AF recurrence. The predictive value of AF inducibility in paroxysmal AF patients after pulmonary vein isolation (PVI), done under general anaesthesia (GA), remains questionable since GA might alter AF inducibility and/or sustainability. METHODS Consecutive patients (n = 120) with paroxysmal AF without prior catheter ablation (CA) were enlisted in the study. All patients were ablated under GA. We have used a point-by-point CA and elimination of dormant conduction after adenosine in all patients. A predefined stimulation protocol was used to induce arrhythmias after PVI. Regular supraventricular tachycardias were mapped and ablated. Patients were divided into 3 subgroups - noninducible, inducible AF with spontaneous termination in five minutes, inducible AF without spontaneous termination. During 12 months of follow-up, all patients were examined four-times with 7-day ECG recordings. RESULTS There was no statistical difference between the three subgroups in a rate of arrhythmia recurrence (11.1 vs. 27.5 vs. 27.3%, P=0.387), despite a clear trend to a better success rate in the non-inducible group. The subgroups did not differ in left atrial (LA) diameter (41.0±6, 43.0±7, 42.0±5 mm, P=0.962) or in any other baseline parameter. CONCLUSION AF inducibility as well as presence or absence of its early spontaneous termination after PVI done under general anaesthesia in paroxysmal AF patients were not useful as predictors of procedural failure.
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Affiliation(s)
- Tomas Skala
- Department of Internal Medicine I - Cardiology, University Hospital Olomouc, Czech Republic
| | - Zbynek Tudos
- Department of Radiology, University Hospital Olomouc, Czech Republic
| | - Ondrej Moravec
- Department of Internal Medicine I - Cardiology, University Hospital Olomouc, Czech Republic
| | - Martin Hutyra
- Department of Internal Medicine I - Cardiology, University Hospital Olomouc, Czech Republic
| | - Jan Precek
- Department of Internal Medicine I - Cardiology, University Hospital Olomouc, Czech Republic
| | - Jitka Skalova
- Department of Anesthesiology and Intensive Care Medicine, University Hospital Olomouc, Czech Republic
| | - Olga Klementova
- Department of Anesthesiology and Intensive Care Medicine, University Hospital Olomouc, Czech Republic
| | - Jana Zapletalova
- Department of Biophysics, Faculty of Medicine and Dentistry, Palacky University Olomouc, Czech Republic
| | - Milos Taborsky
- Department of Internal Medicine I - Cardiology, University Hospital Olomouc, Czech Republic
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10
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Cronin B, Dalia A, Nguyen QS, Slotto J, Elhassan A, Maus T, Essandoh MK. The Year in Electrophysiology: Selected Highlights From 2018. J Cardiothorac Vasc Anesth 2019; 33:1771-1777. [PMID: 30765206 DOI: 10.1053/j.jvca.2019.01.049] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/13/2019] [Indexed: 01/20/2023]
Abstract
This article is the first in an annual series for the Journal of Cardiothoracic and Vascular Anesthesia. The authors thank the editor-in-chief, Dr. Kaplan, the associate editor-in-chief, Dr. Augoustides, and the editorial board for the opportunity to start this series, namely the research highlights of the year that pertain to electrophysiology in relation to cardiothoracic and vascular anesthesia. This first article focuses on esophageal thermal injury during radiofrequency ablation, perioperative management of patients presenting for ablation procedures, left atrial appendage occlusion devices, and, finally, heart failure diagnostic devices.
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Affiliation(s)
- Brett Cronin
- Department of Anesthesiology, University of California, San Diego, UCSD Medical Center, San Diego, CA.
| | - Adam Dalia
- Division of Cardiac Anesthesiology, Department of Anesthesia, Critical Care and Pain Medicine, Massachusetts General Hospital-Harvard Medical School, Boston, MA
| | | | - James Slotto
- University of California, San Diego, San Diego, CA
| | | | - Timothy Maus
- Department of Anesthesiology, University of California, San Diego, UCSD Medical Center, San Diego, CA
| | - Michael K Essandoh
- Department of Anesthesiology, The Ohio State University Medical Center, Columbus, OH
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11
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Evans AS, Weiner M, Jain A, Patel PA, Jayaraman AL, Townsley MM, Shah R, Gutsche JT, Renew JR, Ha B, Martin AK, Linganna R, Leong R, Bhatt HV, Garcia H, Feduska E, Shaefi S, Feinman JW, Eden C, Weiss SJ, Silvay G, Augoustides JG, Ramakrishna H. The Year in Cardiothoracic and Vascular Anesthesia: Selected Highlights from 2018. J Cardiothorac Vasc Anesth 2018; 33:2-11. [PMID: 30472017 DOI: 10.1053/j.jvca.2018.10.017] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/09/2018] [Indexed: 01/28/2023]
Affiliation(s)
- Adam S Evans
- Anesthesia Associates of Morristown, Morristown, NJ
| | - Menachem Weiner
- Anesthesiology, Perioperative and Pain Medicine, Icahn School of Medicine, Mount Sinai Hospital, New York, NY
| | - Ankit Jain
- Anesthesiology and Perioperative Medicine, Medical College of Georgia, Augusta University, Augusta, GA
| | - Prakash A Patel
- Anesthesiology and Critical Care, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA
| | - Arun L Jayaraman
- Anesthesiology and Perioperative Medicine, Mayo Clinic, Scottsdale, AZ
| | - Mathew M Townsley
- Anesthesiology and Perioperative Medicine, School of Medicine, University of Alabama, Birmingham, AL
| | - Ronak Shah
- Anesthesiology and Critical Care, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA
| | - Jacob T Gutsche
- Anesthesiology and Critical Care, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA
| | - J Ross Renew
- Anesthesiology and Perioperative Medicine, Mayo Clinic, Jacksonville, FL
| | - Bao Ha
- Anesthesiology and Critical Care, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA
| | - Archer K Martin
- Anesthesiology and Perioperative Medicine, Mayo Clinic, Jacksonville, FL
| | - Regina Linganna
- Anesthesiology and Critical Care, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA
| | - Ron Leong
- Anesthesiology and Critical Care, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA
| | - Himani V Bhatt
- Anesthesiology, Perioperative and Pain Medicine, Icahn School of Medicine, Mount Sinai Hospital, New York, NY
| | - Harry Garcia
- Anesthesiology and Critical Care, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA
| | - Eric Feduska
- Anesthesiology and Critical Care, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA
| | - Shahzad Shaefi
- Anesthesia, Critical Care and Pain Medicine, Harvard Medical School, Boston, MA
| | - Jared W Feinman
- Anesthesiology and Critical Care, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA
| | - Caroline Eden
- Anesthesiology, Perioperative and Pain Medicine, Icahn School of Medicine, Mount Sinai Hospital, New York, NY
| | - Stuart J Weiss
- Anesthesiology and Critical Care, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA
| | - George Silvay
- Anesthesiology, Perioperative and Pain Medicine, Icahn School of Medicine, Mount Sinai Hospital, New York, NY
| | - John G Augoustides
- Anesthesiology and Critical Care, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA.
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