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Pajareya P, Srisomwong S, Siranart N, Kaewkanha P, Chumpangern Y, Prasitlumkum N, Kewchareon J, Chokesuwattanaskul R, Tokavanich N. Implantation of a permanent pacemaker following orthotopic heart transplantation: a systematic review and meta-analysis. J Interv Card Electrophysiol 2024:10.1007/s10840-024-01909-5. [PMID: 39190212 DOI: 10.1007/s10840-024-01909-5] [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: 07/22/2024] [Accepted: 08/14/2024] [Indexed: 08/28/2024]
Abstract
BACKGROUND Orthotopic heart transplant (OHT) is among the final armamentariums for end-stage heart disease. Many patients who have had OHT require a post-transplant permanent pacemaker (PPM) implantation due to an abnormal conduction system. We aimed to evaluate the risk of mortality and acute rejection in patients with OHT who had received PPM compared to patients without PPM and to determine predictors for PPM placement in this population. METHODS We comprehensively searched for studies from MEDLINE, EMBASE, and Cochrane databases from inception to September 2023. Inclusion criteria focused on patients who had undergone OHT and PPM implantation post-transplant. Data from each study were combined using a random-effects model. Results were expressed as relative risk (RR) or odd ratios (OR) with a 95% confidence interval (CI). RESULTS A total of 9 studies were included in this meta-analysis incorporating a total of 54,848 patients (3.3% had PPM). The pooled all-cause mortality rate among patients with PPM post-OHT was 26% (95% CI: 19-33%, I2 = 1%). There were no differences between post-heart transplant patients with PPM and those without PPM in risk of all-cause mortality (RR 0.76, 95% CI: 0.43-1.34; I2 = 45%) and acute rejection (RR 1.22, 95% CI: 0.74-2.00, I2 = 59%). Bi-atrial anastomosis was associated with an increased risk of PPM implantation post-OHT (OR 7.74, 95% CI: 3.55-16.91, I2 = 0%), while pre-OHT mechanical circulatory support (MCS) was associated with a decreased risk of PPM implantation post-OHT (OR 0.45, 95% CI 0.27-0.76, I2 = 0%). CONCLUSION There were no significant differences in all-cause mortality or acute rejection between post-OHT recipients who required PPM compared to those who did not receive PPM. Further, bi-atrial anastomosis portended the need for PPM implantation, while MCS was associated with a decreased occurrence of PPM.
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Affiliation(s)
- Patavee Pajareya
- Division of Cardiovascular Medicine, Center of Excellence in Arrhythmia Research, Cardiac Center, Faculty of Medicine, King Chulalongkorn Memorial Hospital, Chulalongkorn University, Bangkok, Thailand
| | - Sathapana Srisomwong
- Faculty of Medicine, Vajira Hospital, Navamindradhiraj University, Bangkok, Thailand
| | - Noppachai Siranart
- Division of Cardiovascular Medicine, Center of Excellence in Arrhythmia Research, Cardiac Center, Faculty of Medicine, King Chulalongkorn Memorial Hospital, Chulalongkorn University, Bangkok, Thailand
- Department of Cardiovascular Medicine, Mayo Clinic, Rochester, USA
| | - Ponthakorn Kaewkanha
- Division of Cardiovascular Medicine, Center of Excellence in Arrhythmia Research, Cardiac Center, Faculty of Medicine, King Chulalongkorn Memorial Hospital, Chulalongkorn University, Bangkok, Thailand
| | - Yanisa Chumpangern
- Faculty of Medicine, Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | | | - Jakrin Kewchareon
- Division of Cardiovascular Medicine, Loma Linda University Health, Loma Linda, California, USA
| | - Ronpichai Chokesuwattanaskul
- Division of Cardiovascular Medicine, Center of Excellence in Arrhythmia Research, Cardiac Center, Faculty of Medicine, King Chulalongkorn Memorial Hospital, Chulalongkorn University, Bangkok, Thailand.
| | - Nithi Tokavanich
- Division of Cardiovascular Medicine, Frankel Cardiovascular Center, University of Michigan Health, Ann Arbor, Michigan, USA
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Boluk A, Sokolski M, Rakowski M, Jura M, Bochenek M, Cielecka M, Przybylski R, Zakliczyński M. Pacemaker Implantation Following Heart Transplantation - Incidence and Risk Factors. Single-Center Experience. Transplant Proc 2024; 56:851-853. [PMID: 38697907 DOI: 10.1016/j.transproceed.2024.03.020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2024] [Accepted: 03/29/2024] [Indexed: 05/05/2024]
Abstract
BACKGROUND Bradyarrhythmias, requiring pacemaker (PM) implantation, are common complications following orthotopic heart transplantation (HTx). Currently used heart transplantation methods are primarily the bicaval technique and the total heart transplantation technique. The aim of the study was to assess the incidence and risk factors, including donor parameters, of conduction disorders requiring pacing after HTx. METHODS A population of 111 (52 ± 13 years, 91 (82%) men) heart recipients was divided into a group requiring PM implantation post-HTx and a group not requiring PM. We compared groups in terms of donor parameters, time of graft ischemia, transport and transplantation, and surgical techniques as the potential risk factors for significant bradyarrhythmias. RESULTS Ten of 111 patients with HTx (9%) required PM implantation. The indication in 7 cases was sinus node dysfunction (SND), in 3 patients it was complete atrioventricular block (AV-block). In the PM group, the age of 48 ± 6 vs 40 ± 11 years (P = .0227) and the body mass index (BMI) 28 ± 3 vs 26 ± 4 kg/m2 (P = .0297) of the donor were significantly higher. There was no influence of organ transport time, ischemia time, and transplantation time. All patients requiring PM implantation were transplanted using the bicaval anastomosis: 10 (100%) vs 71 (70%) in the group not requiring PM (P = .044). CONCLUSIONS The need for PM implantation post-HTx despite using new techniques is still common, especially in the group operated with the bicaval method. In addition, higher donor's age and BMI are risk factors of PM implantation, what is of importance as qualification criteria of donor hearts have been gradually extended.
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Affiliation(s)
- Anna Boluk
- Institute of Heart Disease, Cardiothoracic Surgery Department, University Hospital, Wroclaw, Poland.
| | - Mateusz Sokolski
- Institute of Heart Disease, Cardiothoracic Surgery Department, University Hospital, Wroclaw, Poland; Institute of Heart Disease, Wroclaw Medical University, Wroclaw, Poland
| | - Mateusz Rakowski
- Institute of Heart Disease, Cardiothoracic Surgery Department, University Hospital, Wroclaw, Poland
| | - Maksym Jura
- Institute of Heart Disease, Wroclaw Medical University, Wroclaw, Poland; Institute of Heart Disease, Cardiology Department, University Hospital, Wroclaw, Poland
| | - Maciej Bochenek
- Institute of Heart Disease, Cardiothoracic Surgery Department, University Hospital, Wroclaw, Poland; Institute of Heart Disease, Wroclaw Medical University, Wroclaw, Poland
| | - Magdalena Cielecka
- Institute of Heart Disease, Cardiothoracic Surgery Department, University Hospital, Wroclaw, Poland; Institute of Heart Disease, Wroclaw Medical University, Wroclaw, Poland
| | - Roman Przybylski
- Institute of Heart Disease, Cardiothoracic Surgery Department, University Hospital, Wroclaw, Poland; Institute of Heart Disease, Wroclaw Medical University, Wroclaw, Poland
| | - Michał Zakliczyński
- Institute of Heart Disease, Cardiothoracic Surgery Department, University Hospital, Wroclaw, Poland; Institute of Heart Disease, Wroclaw Medical University, Wroclaw, Poland
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Roth HR, Reinert JP. Methylxanthine Derivatives in the Treatment of Sinus Node Dysfunction: A Systematic Review. Cardiol Rev 2023:00045415-990000000-00159. [PMID: 37909739 DOI: 10.1097/crd.0000000000000609] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/03/2023]
Abstract
While the chronotropic effects of theophylline and aminophylline are well-known, their clinical application in the treatment of sinus node dysfunction has not been established in a review. The purpose of this systematic review is to evaluate the efficacy and safety of methylxanthines in the treatment of bradyarrhythmias associated with sinus node dysfunction. A systematic review was conducted in accordance with PRISMA guidelines on Embase, PubMed, MEDLINE, Cochrane Central, Web of Science, SciELO, Korean Citation Index, Global Index Medicus, and CINAHL through June 2023. A total of 607 studies were identified through the literature search. After applying the inclusion and exclusion criteria, 14 studies were included in this review. The causes of bradyarrhythmias involving the sinoatrial node included acute cervical spinal cord injury, coronavirus disease of 2019, carotid sinus syncope, chronotropic incompetence, heart transplant, and chronic sinus node dysfunction. Theophylline and aminophylline were shown to be effective for increasing heart rate and reducing the reoccurrence of bradyarrhythmias. The data on symptom resolution was conflicting. While many case studies reported a resolution of symptoms, a randomized controlled trial reported no significant difference in symptom scores between the control, theophylline, and pacemaker groups in the treatment of sick sinus syndrome. The incidence of adverse effects was low across all study designs. The data suggests methylxanthines may be useful as an alternative or bridge to nonpharmacologic pacing; however, dosing has yet to be established for various indications. Overall, methylxanthines proved safe and effective as a pharmacologic therapy for bradyarrhythmic manifestations of sinus node dysfunction.
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Affiliation(s)
- Hunter R Roth
- From the Department of Pharmacy Practice, The University of Toledo College of Pharmacy and Pharmaceutical Sciences, Toledo, OH
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4
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Ray L, Geier C, DeWitt KM. Pathophysiology and treatment of adults with arrhythmias in the emergency department, part 2: Ventricular and bradyarrhythmias. Am J Health Syst Pharm 2023; 80:1123-1136. [PMID: 37235971 DOI: 10.1093/ajhp/zxad115] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2023] [Indexed: 05/28/2023] Open
Abstract
PURPOSE This is the second article in a 2-part series reviewing the pathophysiology and treatment considerations for arrhythmias. Part 1 of the series discussed aspects related to treating atrial arrhythmias. Here in part 2, the pathophysiology of ventricular arrhythmias and bradyarrhythmias and current evidence on treatment approaches are reviewed. SUMMARY Ventricular arrhythmias can arise suddenly and are a common cause of sudden cardiac death. Several antiarrhythmics may be effective in management of ventricular arrhythmias, but there is robust evidence to support the use of only a few of these agents, and such evidence was largely derived from trials involving patients with out-of-hospital cardiac arrest. Bradyarrhythmias range from asymptomatic mild prolongation of nodal conduction to severe conduction delays and impending cardiac arrest. Vasopressors, chronotropes, and pacing strategies require careful attention and titration to minimize adverse effects and patient harm. CONCLUSION Ventricular arrhythmias and bradyarrhythmias can be consequential and require acute intervention. As experts in pharmacotherapy, acute care pharmacists can participate in providing high-level intervention by aiding in diagnostic workup and medication selection.
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Affiliation(s)
- Lance Ray
- Denver Health and Hospital Authority, Denver, CO, and Department of Emergency Medicine, University of Colorado, Aurora, CO, USA
| | - Curtis Geier
- San Francisco General Hospital, San Francisco, CA, USA
| | - Kyle M DeWitt
- University of Vermont Medical Center, Burlington, VT, USA
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5
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Wallace MJ, El Refaey M, Mesirca P, Hund TJ, Mangoni ME, Mohler PJ. Genetic Complexity of Sinoatrial Node Dysfunction. Front Genet 2021; 12:654925. [PMID: 33868385 PMCID: PMC8047474 DOI: 10.3389/fgene.2021.654925] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2021] [Accepted: 03/01/2021] [Indexed: 12/13/2022] Open
Abstract
The pacemaker cells of the cardiac sinoatrial node (SAN) are essential for normal cardiac automaticity. Dysfunction in cardiac pacemaking results in human sinoatrial node dysfunction (SND). SND more generally occurs in the elderly population and is associated with impaired pacemaker function causing abnormal heart rhythm. Individuals with SND have a variety of symptoms including sinus bradycardia, sinus arrest, SAN block, bradycardia/tachycardia syndrome, and syncope. Importantly, individuals with SND report chronotropic incompetence in response to stress and/or exercise. SND may be genetic or secondary to systemic or cardiovascular conditions. Current management of patients with SND is limited to the relief of arrhythmia symptoms and pacemaker implantation if indicated. Lack of effective therapeutic measures that target the underlying causes of SND renders management of these patients challenging due to its progressive nature and has highlighted a critical need to improve our understanding of its underlying mechanistic basis of SND. This review focuses on current information on the genetics underlying SND, followed by future implications of this knowledge in the management of individuals with SND.
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Affiliation(s)
- Michael J. Wallace
- Frick Center for Heart Failure and Arrhythmia Research, The Ohio State University Wexner Medical Center, Columbus, OH, United States
- Dorothy M. Davis Heart and Lung Research Institute, The Ohio State University Wexner Medical Center, Columbus, OH, United States
- Department of Physiology and Cell Biology, College of Medicine, The Ohio State University Wexner Medical Center, Columbus, OH, United States
| | - Mona El Refaey
- Frick Center for Heart Failure and Arrhythmia Research, The Ohio State University Wexner Medical Center, Columbus, OH, United States
- Dorothy M. Davis Heart and Lung Research Institute, The Ohio State University Wexner Medical Center, Columbus, OH, United States
- Department of Physiology and Cell Biology, College of Medicine, The Ohio State University Wexner Medical Center, Columbus, OH, United States
| | - Pietro Mesirca
- CNRS, INSERM, Institut de Génomique Fonctionnelle, Université de Montpellier, Montpellier, France
- Laboratory of Excellence ICST, Montpellier, France
| | - Thomas J. Hund
- Frick Center for Heart Failure and Arrhythmia Research, The Ohio State University Wexner Medical Center, Columbus, OH, United States
- Dorothy M. Davis Heart and Lung Research Institute, The Ohio State University Wexner Medical Center, Columbus, OH, United States
- Department of Biomedical Engineering, College of Engineering, The Ohio State University, Columbus, OH, United States
| | - Matteo E. Mangoni
- CNRS, INSERM, Institut de Génomique Fonctionnelle, Université de Montpellier, Montpellier, France
- Laboratory of Excellence ICST, Montpellier, France
| | - Peter J. Mohler
- Frick Center for Heart Failure and Arrhythmia Research, The Ohio State University Wexner Medical Center, Columbus, OH, United States
- Dorothy M. Davis Heart and Lung Research Institute, The Ohio State University Wexner Medical Center, Columbus, OH, United States
- Department of Physiology and Cell Biology, College of Medicine, The Ohio State University Wexner Medical Center, Columbus, OH, United States
- Division of Cardiovascular Medicine, Department of Internal Medicine, College of Medicine, The Ohio State University Wexner Medical Center, Columbus, OH, United States
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Mesirca P, Fedorov VV, Hund TJ, Torrente AG, Bidaud I, Mohler PJ, Mangoni ME. Pharmacologic Approach to Sinoatrial Node Dysfunction. Annu Rev Pharmacol Toxicol 2021; 61:757-778. [PMID: 33017571 PMCID: PMC7790915 DOI: 10.1146/annurev-pharmtox-031120-115815] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
The spontaneous activity of the sinoatrial node initiates the heartbeat. Sino-atrial node dysfunction (SND) and sick sinoatrial (sick sinus) syndrome are caused by the heart's inability to generate a normal sinoatrial node action potential. In clinical practice, SND is generally considered an age-related pathology, secondary to degenerative fibrosis of the heart pacemaker tissue. However, other forms of SND exist, including idiopathic primary SND, which is genetic, and forms that are secondary to cardiovascular or systemic disease. The incidence of SND in the general population is expected to increase over the next half century, boosting the need to implant electronic pacemakers. During the last two decades, our knowledge of sino-atrial node physiology and of the pathophysiological mechanisms underlying SND has advanced considerably. This review summarizes the current knowledge about SND mechanisms and discusses the possibility of introducing new pharmacologic therapies for treating SND.
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Affiliation(s)
- Pietro Mesirca
- Institut de Génomique Fonctionnelle, Université de Montpellier, CNRS, INSERM, 34096 Montpellier, France;
- LabEx Ion Channels Science and Therapeutics (ICST), 06560 Nice, France
| | - Vadim V Fedorov
- Frick Center for Heart Failure and Arrhythmia at the Davis Heart and Lung Research Institute, The Ohio State University, Columbus, Ohio 43210, USA
- Department of Physiology and Cell Biology, The Ohio State University College of Medicine, Wexner Medical Center, Columbus, Ohio 43210, USA
| | - Thomas J Hund
- Frick Center for Heart Failure and Arrhythmia at the Davis Heart and Lung Research Institute, The Ohio State University, Columbus, Ohio 43210, USA
- Department of Biomedical Engineering, The Ohio State University, Columbus, Ohio 43210, USA
| | - Angelo G Torrente
- Institut de Génomique Fonctionnelle, Université de Montpellier, CNRS, INSERM, 34096 Montpellier, France;
- LabEx Ion Channels Science and Therapeutics (ICST), 06560 Nice, France
| | - Isabelle Bidaud
- Institut de Génomique Fonctionnelle, Université de Montpellier, CNRS, INSERM, 34096 Montpellier, France;
- LabEx Ion Channels Science and Therapeutics (ICST), 06560 Nice, France
| | - Peter J Mohler
- Frick Center for Heart Failure and Arrhythmia at the Davis Heart and Lung Research Institute, The Ohio State University, Columbus, Ohio 43210, USA
- Department of Physiology and Cell Biology, The Ohio State University College of Medicine, Wexner Medical Center, Columbus, Ohio 43210, USA
- Department of Internal Medicine, The Ohio State University College of Medicine, Columbus, Ohio 43210, USA
| | - Matteo E Mangoni
- Institut de Génomique Fonctionnelle, Université de Montpellier, CNRS, INSERM, 34096 Montpellier, France;
- LabEx Ion Channels Science and Therapeutics (ICST), 06560 Nice, France
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7
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Allana SS, Rajput FA, Smith JW, Lozonschi L, Liou JI, Johnson M, Kohmoto T, Dhingra R. Amiodarone Use Prior to Cardiac Transplant Impacts Early Post-Transplant Survival. Cardiovasc Drugs Ther 2020; 35:33-40. [PMID: 33074524 DOI: 10.1007/s10557-020-07092-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 10/06/2020] [Indexed: 11/26/2022]
Abstract
PURPOSE It remains unclear if use of amiodarone pre-cardiac transplantation impacts early post-transplant survival. METHODS We selected all patients undergoing heart transplant from 2004 to 2006 with available information using the United Network for Organ Sharing database (n = 4057). Multivariable Cox models compared the risk of death within 30 days post-transplant in patients who were taking amiodarone at the time of transplant listing (n = 1227) to those who were not (n = 2830). RESULTS Mean age was 52 (± 12) years, and 23% were women. Patients who died within 30 days (n = 168) were older; had higher panel reactive antibody levels, higher bilirubin levels, and higher prevalence of prior cardiac surgery; were often at status 1B; and had higher use of amiodarone at listing compared to those who survived (5.3% versus 3.6%; p = 0.02). Cause of death was unknown in 49% and was reported as graft failure in 43% of cases. In multivariable Cox models, patients on amiodarone at the time of listing had 1.56-fold higher risk of post-transplant death within 30 days (95% confidence intervals 1.08-2.27) compared to patients who were not on amiodarone at listing (C-statistic 0.70). CONCLUSION In conclusion, patients who reported taking amiodarone at the time of listing for transplant had a higher risk of death within 30 days post-transplant.
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Affiliation(s)
- Salman S Allana
- Department of Medicine, Cardiovascular Division, School of Medicine & Public Health, University of Wisconsin-Madison, 600 Highland Avenue, E5/582; MC 5710, Madison, WI, 53792, USA
- Cardiovascular Medicine, Medical College of Wisconsin, Milwaukee, WI, USA
| | - Furqan A Rajput
- Department of Medicine, University of Wisconsin-Madison, Madison, WI, USA
| | - Jason W Smith
- Cardiothoracic Surgery, University of Wisconsin-Madison, Madison, WI, USA
| | - Lucian Lozonschi
- Cardiothoracic Surgery, Medical University of South Carolina, Charleston, SC, USA
| | - Jinn-Ing Liou
- Department of Epidemiology and Biostatistics, University of Wisconsin-Madison, Madison, WI, USA
| | - Maryl Johnson
- Department of Medicine, Cardiovascular Division, School of Medicine & Public Health, University of Wisconsin-Madison, 600 Highland Avenue, E5/582; MC 5710, Madison, WI, 53792, USA
| | - Takushi Kohmoto
- Cardiothoracic Surgery, Medical College of Wisconsin, Milwaukee, WI, USA
| | - Ravi Dhingra
- Department of Medicine, Cardiovascular Division, School of Medicine & Public Health, University of Wisconsin-Madison, 600 Highland Avenue, E5/582; MC 5710, Madison, WI, 53792, USA.
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DeFilippis EM, Rubin G, Farr MA, Biviano A, Wan EY, Takeda K, Garan H, Topkara VK, Yarmohammadi H. Cardiac Implantable Electronic Devices Following Heart Transplantation. JACC Clin Electrophysiol 2020; 6:1028-1042. [PMID: 32819520 DOI: 10.1016/j.jacep.2020.06.023] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2020] [Revised: 06/12/2020] [Accepted: 06/27/2020] [Indexed: 11/29/2022]
Abstract
Permanent pacemaker (PPM) implantation is required in a subset of patients (∼10%) for sinus node dysfunction or atrioventricular block both early and late after heart transplantation. The incidence of PPM implantation has decreased to <5% with the advent of bicaval anastamosis transplantation surgery. Pacing dependence upon follow-up has been variably reported. An even smaller percentage of transplantation recipients (1.5% to 3.4%) undergo implantable cardioverter-defibrillator (ICD) placement. Rigorous data are lacking for the use of ICDs in the transplantation population and is largely derived from cohort studies and case series. Sudden cardiac death occurs in approximately 10% of transplantation recipients, but multiple nonarrhythmic factors are believed to be responsible, including acute rejection, late graft failure with electromechanical dissociation, and ischemia due to cardiac allograft vasculopathy. This review provides a comprehensive analysis of the existing data regarding the role for PPMs and ICDs in this population, including leadless PPMs and subcutaneous ICDs, special considerations, and future directions.
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Affiliation(s)
- Ersilia M DeFilippis
- Division of Cardiology, Department of Medicine, Columbia University Irving Medical Center, New York, New York, USA
| | - Geoffrey Rubin
- Division of Cardiology, Department of Medicine, Columbia University Irving Medical Center, New York, New York, USA
| | - Maryjane A Farr
- Division of Cardiology, Department of Medicine, Columbia University Irving Medical Center, New York, New York, USA
| | - Angelo Biviano
- Division of Cardiology, Department of Medicine, Columbia University Irving Medical Center, New York, New York, USA
| | - Elaine Y Wan
- Division of Cardiology, Department of Medicine, Columbia University Irving Medical Center, New York, New York, USA
| | - Koji Takeda
- Division of Cardiothoracic Surgery, Department of Surgery, Columbia University Irving Medical Center, New York, New York, USA
| | - Hasan Garan
- Division of Cardiology, Department of Medicine, Columbia University Irving Medical Center, New York, New York, USA
| | - Veli K Topkara
- Division of Cardiology, Department of Medicine, Columbia University Irving Medical Center, New York, New York, USA
| | - Hirad Yarmohammadi
- Division of Cardiology, Department of Medicine, Columbia University Irving Medical Center, New York, New York, USA.
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Rivinius R, Helmschrott M, Rahm AK, Darche FF, Thomas D, Bruckner T, Doesch AO, Ehlermann P, Katus HA, Zitron E. Combined amiodarone and digitalis therapy before heart transplantation is associated with increased post-transplant mortality. ESC Heart Fail 2020; 7:2082-2092. [PMID: 32608191 PMCID: PMC7524115 DOI: 10.1002/ehf2.12807] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2020] [Revised: 05/04/2020] [Accepted: 05/14/2020] [Indexed: 12/19/2022] Open
Abstract
Aims Amiodarone and digitalis are frequently used drugs in patients with heart failure. Both have separately been linked to reduced post‐transplant survival, but their combined impact on mortality after HTX remains uncertain. This study investigated the effects of combined amiodarone and digitalis use before HTX on post‐transplant outcomes. Methods and results This registry study analysed 600 patients receiving HTX at Heidelberg Heart Center between 1989 and 2016. Patients were stratified by amiodarone and digitalis use before HTX. Analysis included patient characteristics, medication, echocardiographic features, heart rates, permanent pacemaker implantation, atrial fibrillation, and post‐transplant survival including causes of death. One hundred eighteen patients received amiodarone before HTX (19.7%), hereof 67 patients with digitalis (56.8%) and 51 patients without digitalis before HTX (43.2%). Patients with and without amiodarone before HTX showed a similar 1 year post‐transplant survival (72.0% vs. 78.4%, P = 0.11), but patients with combined amiodarone and digitalis before HTX had a worse 1 year post‐transplant survival (64.2%, P = 0.01), along with a higher percentage of death due to transplant failure (P = 0.03). Echocardiographic analysis of these patients showed a higher percentage of an enlarged right ventricle (P = 0.02), left atrium (P = 0.02), left ventricle (P = 0.03), and a higher rate of reduced left ventricular ejection fraction (P = 0.03). Multivariate analysis indicated combined amiodarone and digitalis use before HTX as a significant risk factor for 1 year mortality after HTX (hazard ratio: 1.69; 95% confidence interval: 1.02–2.77; P = 0.04). Conclusions Combined pre‐transplant amiodarone and digitalis therapy is associated with increased post‐transplant mortality.
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Affiliation(s)
- Rasmus Rivinius
- Department of Cardiology, Angiology and Pneumology, Heidelberg University Hospital, Im Neuenheimer Feld 410, Heidelberg, 69120, Germany.,Heidelberg Center for Heart Rhythm Disorders (HCR), Heidelberg University Hospital, Heidelberg, Germany.,German Center for Cardiovascular Research (DZHK) Partner Site Heidelberg/Mannheim, Heidelberg, Germany
| | - Matthias Helmschrott
- Department of Cardiology, Angiology and Pneumology, Heidelberg University Hospital, Im Neuenheimer Feld 410, Heidelberg, 69120, Germany
| | - Ann-Kathrin Rahm
- Department of Cardiology, Angiology and Pneumology, Heidelberg University Hospital, Im Neuenheimer Feld 410, Heidelberg, 69120, Germany.,Heidelberg Center for Heart Rhythm Disorders (HCR), Heidelberg University Hospital, Heidelberg, Germany.,German Center for Cardiovascular Research (DZHK) Partner Site Heidelberg/Mannheim, Heidelberg, Germany
| | - Fabrice F Darche
- Department of Cardiology, Angiology and Pneumology, Heidelberg University Hospital, Im Neuenheimer Feld 410, Heidelberg, 69120, Germany.,Heidelberg Center for Heart Rhythm Disorders (HCR), Heidelberg University Hospital, Heidelberg, Germany.,German Center for Cardiovascular Research (DZHK) Partner Site Heidelberg/Mannheim, Heidelberg, Germany
| | - Dierk Thomas
- Department of Cardiology, Angiology and Pneumology, Heidelberg University Hospital, Im Neuenheimer Feld 410, Heidelberg, 69120, Germany.,Heidelberg Center for Heart Rhythm Disorders (HCR), Heidelberg University Hospital, Heidelberg, Germany.,German Center for Cardiovascular Research (DZHK) Partner Site Heidelberg/Mannheim, Heidelberg, Germany
| | - Tom Bruckner
- Institute for Medical Biometry and Informatics, University of Heidelberg, Heidelberg, Germany
| | - Andreas O Doesch
- Department of Cardiology, Angiology and Pneumology, Heidelberg University Hospital, Im Neuenheimer Feld 410, Heidelberg, 69120, Germany.,Department of Pneumology and Oncology, Asklepios Hospital, Bad Salzungen, Germany
| | - Philipp Ehlermann
- Department of Cardiology, Angiology and Pneumology, Heidelberg University Hospital, Im Neuenheimer Feld 410, Heidelberg, 69120, Germany.,German Center for Cardiovascular Research (DZHK) Partner Site Heidelberg/Mannheim, Heidelberg, Germany
| | - Hugo A Katus
- Department of Cardiology, Angiology and Pneumology, Heidelberg University Hospital, Im Neuenheimer Feld 410, Heidelberg, 69120, Germany.,Heidelberg Center for Heart Rhythm Disorders (HCR), Heidelberg University Hospital, Heidelberg, Germany.,German Center for Cardiovascular Research (DZHK) Partner Site Heidelberg/Mannheim, Heidelberg, Germany
| | - Edgar Zitron
- Department of Cardiology, Angiology and Pneumology, Heidelberg University Hospital, Im Neuenheimer Feld 410, Heidelberg, 69120, Germany.,Heidelberg Center for Heart Rhythm Disorders (HCR), Heidelberg University Hospital, Heidelberg, Germany
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Ustunkaya T, Liang JJ, Lin AN, Shirai Y, Molina M, Owens AT, Acker MA, Bermudez CA, Santangeli P, Nazarian S, Dixit S, Marchlinski FE, Callans DJ. Clinical and procedural characteristics predicting need for chronotropic support and permanent pacing post-heart transplantation. Heart Rhythm 2020; 17:1132-1138. [PMID: 32112873 DOI: 10.1016/j.hrthm.2020.02.021] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/22/2019] [Accepted: 02/14/2020] [Indexed: 10/24/2022]
Abstract
BACKGROUND Postoperative bradycardia can complicate orthotopic heart transplantation (OHT). Previous studies suggested donor age and surgical technique as possible risk factors. However, risk factors in the era of bicaval anastomosis have not been elucidated. OBJECTIVE We sought to examine the association between donor/recipient characteristics with need for chronotropic support and permanent pacemaker (PPM) implantation in patients with OHT. METHODS All patients treated with OHT between January 2003 and January 2018 at the Hospital of the University of Pennsylvania were retrospectively evaluated until June 2018. Chronotropic support was given upon postoperative inability to increase the heart rate to patient's demands and included disproportionate bradycardia and junctional rhythm. RESULTS A total of 820 patients (mean age 51.3 ± 12.6 years; 607, 74% men) underwent 826 OHT procedures (787 patients, 95.3% bicaval anastomosis). Patients who were exposed to amiodarone (odds ratio [OR] 2.30; 95% confidence interval [CI] 1.58-3.34; P < .001) and have older donor (OR 1.02; 95% CI 1.01-1.04; P = .001) were more likely to develop need for chronotropic support. In multivariable analysis, recipient age (OR 1.03; 95% CI 1.00-1.06; P = .04) and biatrial anastomosis (OR 6.12; 95% CI 2.48-15.09) were significantly associated with PPM implantation within 6 months of OHT. No association was found between pre-OHT amiodarone use and PPM implantation. No risk factors assessed were associated with PPM implantation 6 months post-OHT. CONCLUSION Surgical technique and donor age were the main risk factors for the need for chronotropic support post-OHT, whereas surgical technique and recipient age were risk factors for early PPM implantation.
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Affiliation(s)
- Tuna Ustunkaya
- Cardiac Electrophysiology, Department of Medicine, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania; Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas, Texas
| | - Jackson J Liang
- Cardiac Electrophysiology, Department of Medicine, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania; Cardiac Electrophysiology, Department of Medicine, University of Michigan, Ann Arbor, Michigan
| | - Aung N Lin
- Cardiac Electrophysiology, Department of Medicine, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania
| | - Yasuhiro Shirai
- Cardiac Electrophysiology, Department of Medicine, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania
| | - Maria Molina
- Cardiac Surgery, Department of Surgery, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania
| | - Anjali T Owens
- Heart Failure and Transplant, Department of Medicine, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania
| | - Michael A Acker
- Cardiac Surgery, Department of Surgery, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania
| | - Christian A Bermudez
- Cardiac Surgery, Department of Surgery, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania
| | - Pasquale Santangeli
- Cardiac Electrophysiology, Department of Medicine, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania
| | - Saman Nazarian
- Cardiac Electrophysiology, Department of Medicine, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania
| | - Sanjay Dixit
- Cardiac Electrophysiology, Department of Medicine, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania
| | - Francis E Marchlinski
- Cardiac Electrophysiology, Department of Medicine, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania
| | - David J Callans
- Cardiac Electrophysiology, Department of Medicine, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania.
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11
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Uchikawa T, Fujino T, Higo T, Ohtani K, Shiose A, Tsutsui H. Cilostazol Is Useful for the Treatment of Sinus Bradycardia and Associated Hemodynamic Deterioration Following Heart Transplantation. Int Heart J 2019; 60:1222-1225. [DOI: 10.1536/ihj.19-116] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Affiliation(s)
- Tomoki Uchikawa
- Department of Cardiovascular Medicine, Faculty of Medical Sciences, Kyushu University
| | - Takeo Fujino
- Department of Advanced Cardiopulmonary Failure, Faculty of Medical Sciences, Kyushu University
| | - Taiki Higo
- Department of Cardiovascular Medicine, Faculty of Medical Sciences, Kyushu University
| | - Kisho Ohtani
- Department of Cardiovascular Medicine, Faculty of Medical Sciences, Kyushu University
| | - Akira Shiose
- Department of Cardiovascular Surgery, Faculty of Medical Sciences, Kyushu University
| | - Hiroyuki Tsutsui
- Department of Cardiovascular Medicine, Faculty of Medical Sciences, Kyushu University
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12
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Kusumoto FM, Schoenfeld MH, Barrett C, Edgerton JR, Ellenbogen KA, Gold MR, Goldschlager NF, Hamilton RM, Joglar JA, Kim RJ, Lee R, Marine JE, McLeod CJ, Oken KR, Patton KK, Pellegrini CN, Selzman KA, Thompson A, Varosy PD. 2018 ACC/AHA/HRS guideline on the evaluation and management of patients with bradycardia and cardiac conduction delay. Heart Rhythm 2019; 16:e128-e226. [DOI: 10.1016/j.hrthm.2018.10.037] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/26/2018] [Indexed: 12/13/2022]
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13
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Kusumoto FM, Schoenfeld MH, Barrett C, Edgerton JR, Ellenbogen KA, Gold MR, Goldschlager NF, Hamilton RM, Joglar JA, Kim RJ, Lee R, Marine JE, McLeod CJ, Oken KR, Patton KK, Pellegrini CN, Selzman KA, Thompson A, Varosy PD. 2018 ACC/AHA/HRS Guideline on the Evaluation and Management of Patients With Bradycardia and Cardiac Conduction Delay: A Report of the American College of Cardiology/American Heart Association Task Force on Clinical Practice Guidelines and the Heart Rhythm Society. Circulation 2019; 140:e382-e482. [DOI: 10.1161/cir.0000000000000628] [Citation(s) in RCA: 97] [Impact Index Per Article: 19.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
| | | | | | | | - Kenneth A. Ellenbogen
- 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
| | - Michael R. Gold
- 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
- HRS Representative
| | | | | | - José A. Joglar
- ACC/AHA Task Force on Clinical Practice Guidelines Liaison
| | | | | | | | | | | | | | - Cara N. Pellegrini
- 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
- HRS Representative
- Dr. Pellegrini contributed to this article in her personal capacity. The views expressed are her own and do not necessarily represent the views of the US Department of Veterans Affairs or the US government
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14
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Kusumoto FM, Schoenfeld MH, Barrett C, Edgerton JR, Ellenbogen KA, Gold MR, Goldschlager NF, Hamilton RM, Joglar JA, Kim RJ, Lee R, Marine JE, McLeod CJ, Oken KR, Patton KK, Pellegrini CN, Selzman KA, Thompson A, Varosy PD. 2018 ACC/AHA/HRS Guideline on the Evaluation and Management of Patients With Bradycardia and Cardiac Conduction Delay. J Am Coll Cardiol 2019; 74:e51-e156. [DOI: 10.1016/j.jacc.2018.10.044] [Citation(s) in RCA: 151] [Impact Index Per Article: 30.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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15
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Kusumoto FM, Schoenfeld MH, Barrett C, Edgerton JR, Ellenbogen KA, Gold MR, Goldschlager NF, Hamilton RM, Joglar JA, Kim RJ, Lee R, Marine JE, McLeod CJ, Oken KR, Patton KK, Pellegrini CN, Selzman KA, Thompson A, Varosy PD. 2018 ACC/AHA/HRS Guideline on the Evaluation and Management of Patients With Bradycardia and Cardiac Conduction Delay: Executive Summary. J Am Coll Cardiol 2019; 74:932-987. [DOI: 10.1016/j.jacc.2018.10.043] [Citation(s) in RCA: 144] [Impact Index Per Article: 28.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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16
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Kusumoto FM, Schoenfeld MH, Barrett C, Edgerton JR, Ellenbogen KA, Gold MR, Goldschlager NF, Hamilton RM, Joglar JA, Kim RJ, Lee R, Marine JE, McLeod CJ, Oken KR, Patton KK, Pellegrini CN, Selzman KA, Thompson A, Varosy PD. 2018 ACC/AHA/HRS guideline on the evaluation and management of patients with bradycardia and cardiac conduction delay: Executive summary: A Report of the American College of Cardiology/American Heart Association Task Force on Clinical Practice Guidelines, and the Heart Rhythm Society. Heart Rhythm 2018; 16:e227-e279. [PMID: 30412777 DOI: 10.1016/j.hrthm.2018.10.036] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/26/2018] [Indexed: 12/22/2022]
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17
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Kusumoto FM, Schoenfeld MH, Barrett C, Edgerton JR, Ellenbogen KA, Gold MR, Goldschlager NF, Hamilton RM, Joglar JA, Kim RJ, Lee R, Marine JE, McLeod CJ, Oken KR, Patton KK, Pellegrini CN, Selzman KA, Thompson A, Varosy PD. 2018 ACC/AHA/HRS Guideline on the Evaluation and Management of Patients With Bradycardia and Cardiac Conduction Delay: Executive Summary: A Report of the American College of Cardiology/American Heart Association Task Force on Clinical Practice Guidelines, and the Heart Rhythm Society. Circulation 2018; 140:e333-e381. [PMID: 30586771 DOI: 10.1161/cir.0000000000000627] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
| | | | | | | | - Kenneth A Ellenbogen
- 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
| | - Michael R Gold
- 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.,HRS Representative
| | | | | | - José A Joglar
- ACC/AHA Task Force on Clinical Practice Guidelines Liaison
| | | | | | | | | | | | | | - Cara N Pellegrini
- 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.,HRS Representative.,Dr. Pellegrini contributed to this article in her personal capacity. The views expressed are her own and do not necessarily represent the views of the US Department of Veterans Affairs or the US government
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18
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Abstract
The hyperinflation of isoproterenol, a 75-year-old drug, in early 2015 was unbelievable. The attention of health-care professionals, health system administrators, legislators, and the general public was quickly focused on Valeant Pharmaceuticals, purchaser of several generics solely to raise their price. With isoproterenol easily launched toward the top of drug expenditures, pharmacists in many hospitals were forced to engage stakeholders in the investigation and implementation of alternatives, explore utilization and optimize inventory, reduce cost through sterile product preparation, where possible, restrict use to settings that were beneficial to their budget, and become legislative advocates. The alternatives drugs and strategies will be reviewed.
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Affiliation(s)
- Julie D'Ambrosi
- 1 Department of Pharmacy Services, Yale New Haven Hospital, New Haven, CT, USA
| | - Nilesh Amin
- 1 Department of Pharmacy Services, Yale New Haven Hospital, New Haven, CT, USA
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19
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Rivinius R, Helmschrott M, Ruhparwar A, Darche FF, Thomas D, Bruckner T, Katus HA, Doesch AO. Comparison of posttransplant outcomes in patients with no, acute, or chronic amiodarone use before heart transplantation. DRUG DESIGN DEVELOPMENT AND THERAPY 2017; 11:1827-1837. [PMID: 28684901 PMCID: PMC5484508 DOI: 10.2147/dddt.s136948] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Background Major concerns about the safety of pretransplant amiodarone use have been raised. As a result of its long half-life, the cardiac allograft is exposed to amiodarone posing potential risks such as bradycardia, requirement for pacemaker implantation, or increased mortality after heart transplantation (HTX). Objective The aim of this study is to investigate the posttransplant outcomes of patients with no, acute, or chronic amiodarone use before HTX. Methods This retrospective single-center study included 530 adult patients who received HTX between 06/1989 and 12/2012. Patients were stratified by their amiodarone therapy before HTX: no continuous amiodarone use (≤90 days before HTX), acute amiodarone use (≤90 days before HTX), and chronic amiodarone use (>90 days before HTX). Differences between the 3 groups in demographics, posttransplant medication, echocardiographic features, heart rates including occurrences of bradycardia, permanent pacemaker implantation, atrial fibrillation (AF), and survival were analyzed. Results A total of 412 patients (77.7%) were in the “no amiodarone” group, 23 patients (4.4%) in the “acute amiodarone” group, and 95 patients (17.9%) in the “chronic amiodarone” group. Left ventricular ejection fraction (P=0.5819), heart rates including occurrence of bradycardia during posttransplant week 1 (P=0.0979 and P=0.2695), week 2 (P=0.1214 and P=0.8644), week 3 (P=0.1033 and P=0.8894), and week 4 (P=0.2892 and P=0.8644), permanent pacemaker implantation within 30-day (P=0.8644), or overall follow-up after HTX (P=0.8664) were not significant between groups. Patients with chronic pretransplant amiodarone therapy had the lowest rate of early posttransplant AF (P=0.0065). There was no statistically significant difference between groups in 30-day (P=0.8656), 1-year (P=1.0000), 2-year (P=0.8763), 5-year (P=0.5174), or overall posttransplant follow-up mortality (P=0.1936). Conclusion Administration of acute or chronic pretransplant amiodarone was not related to an increased occurrence of bradycardia, requirement for permanent pacemaker implantation, or mortality after HTX. Importantly, chronic amiodarone use effectively reduced early AF after HTX, whereas acute amiodarone use showed no such effect.
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Affiliation(s)
| | | | | | | | - Dierk Thomas
- Department of Cardiology, Angiology and Pneumology
| | - Tom Bruckner
- Institute for Medical Biometry and Informatics, University of Heidelberg, Heidelberg, Germany
| | - Hugo A Katus
- Department of Cardiology, Angiology and Pneumology
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20
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Cooper LB, Mentz RJ, Edwards LB, Wilk AR, Rogers JG, Patel CB, Milano CA, Hernandez AF, Stehlik J, Lund LH. Amiodarone use in patients listed for heart transplant is associated with increased 1-year post-transplant mortality. J Heart Lung Transplant 2017; 36:202-210. [PMID: 27520780 PMCID: PMC5241253 DOI: 10.1016/j.healun.2016.07.009] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2016] [Revised: 06/24/2016] [Accepted: 07/13/2016] [Indexed: 11/26/2022] Open
Abstract
BACKGROUND Pre-transplant amiodarone use has been postulated as a risk factor for morbidity and mortality after orthotopic heart transplantation (OHT). We assessed pre-OHT amiodarone use and tested the hypothesis that it is associated with impaired post-OHT outcomes. METHODS We performed a retrospective cohort analysis of adult OHT recipients from the registry of the International Society for Heart and Lung Transplantation (ISHLT). All patients had been transplanted between 2005 and 2013 and were stratified by pre-OHT amiodarone use. We derived propensity scores using logistic regression with amiodarone use as the dependent variable, and assessed the associations between amiodarone use and outcomes with Kaplan-Meier analysis after matching patients 1:1 based on propensity score, and with Cox regression with adjustment for propensity score. RESULTS Of the 14,944 OHT patients in the study cohort, 32% (N = 4,752) received pre-OHT amiodarone. Amiodarone use was higher in recent years (29% in 2005 to 2007, 32% in 2008 to 2010, 35% in 2011 to 2013). Amiodarone-treated patients were older and more frequently had a history of sudden cardiac death (27% vs 13%) and pre-OHT mechanical circulatory support. Key donor characteristics and allograft ischemia times were similar between groups. In propensity-matched analyses, amiodarone-treated patients had higher rates of cardiac reoperation (15% vs 13%) and permanent pacemaker (5% vs 3%) after OHT and before discharge. Amiodarone-treated patients also had higher 1-year mortality (hazard ratio 1.15, 95% confidence interval 1.02 to 1.30), but the risks of early graft failure, retransplantation and rehospitalization were similar between groups. CONCLUSIONS Amiodarone use before OHT was independently associated with increased 1-year mortality. The need for amiodarone therapy should be carefully and continuously assessed in patients awaiting OHT.
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Affiliation(s)
- Lauren B Cooper
- Duke Clinical Research Institute, Duke University Medical Center, Durham, North Carolina, USA; Division of Cardiology, Department of Medicine, Duke University Medical Center, Durham, North Carolina, USA.
| | - Robert J Mentz
- Duke Clinical Research Institute, Duke University Medical Center, Durham, North Carolina, USA; Division of Cardiology, Department of Medicine, Duke University Medical Center, Durham, North Carolina, USA
| | - Leah B Edwards
- United Network for Organ Sharing, Richmond, Virginia, USA
| | - Amber R Wilk
- United Network for Organ Sharing, Richmond, Virginia, USA
| | - Joseph G Rogers
- Duke Clinical Research Institute, Duke University Medical Center, Durham, North Carolina, USA; Division of Cardiology, Department of Medicine, Duke University Medical Center, Durham, North Carolina, USA
| | - Chetan B Patel
- Duke Clinical Research Institute, Duke University Medical Center, Durham, North Carolina, USA; Division of Cardiology, Department of Medicine, Duke University Medical Center, Durham, North Carolina, USA
| | - Carmelo A Milano
- Duke Clinical Research Institute, Duke University Medical Center, Durham, North Carolina, USA; Division of Cardiovascular & Thoracic Surgery, Department of Surgery, Duke University Medical Center, Durham, North Carolina, USA
| | - Adrian F Hernandez
- Duke Clinical Research Institute, Duke University Medical Center, Durham, North Carolina, USA; Division of Cardiology, Department of Medicine, Duke University Medical Center, Durham, North Carolina, USA
| | - Josef Stehlik
- Department of Cardiovascular Medicine, University of Utah School of Medicine, Salt Lake City, Utah, USA
| | - Lars H Lund
- Department of Medicine, Karolinska Institutet, and Karolinska University Hospital, Stockholm, Sweden
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21
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Abstract
Amiodarone remains one of the preferred antiarrhythmic medications for patients with advanced heart failure awaiting cardiac transplant. However, the long half-life and rapid redistribution of this agent into donor myocardium expose heart transplant recipients to potential adverse outcomes. In reviewing the current body of literature, we found that pre-operative amiodarone exposure can increase the risk of bradycardia post-transplant; however, this is unlikely to require permanent pacemaker implant. Further, amiodarone has several serious drug-drug interactions with calcineurin inhibitors. Clinicians should therefore consider empiric reduction in initial dosing for tacrolimus or cyclosporine, and carefully monitor blood levels for at least 3 months post-transplant. Although the evidence is conflicting, amiodarone exposure pre-operatively may increase the risk of early graft failure and mortality. Amiodarone use should be minimized whenever possible; if amiodarone cannot practically be discontinued in the pre-transplant phase, judicious monitoring for QTc prolongation and ventricular arrhythmia should be implemented after transplant. As most of the studies included in this review suffered from small sample sizes and limited follow-up, additional research in this area is warranted.
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22
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Rivinius R, Helmschrott M, Ruhparwar A, Schmack B, Erbel C, Gleissner CA, Akhavanpoor M, Frankenstein L, Darche FF, Schweizer PA, Thomas D, Ehlermann P, Bruckner T, Katus HA, Doesch AO. Long-term use of amiodarone before heart transplantation significantly reduces early post-transplant atrial fibrillation and is not associated with increased mortality after heart transplantation. DRUG DESIGN DEVELOPMENT AND THERAPY 2016; 10:677-86. [PMID: 26937171 PMCID: PMC4762580 DOI: 10.2147/dddt.s96126] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Background Amiodarone is a frequently used antiarrhythmic drug in patients with end-stage heart failure. Given its long half-life, pre-transplant use of amiodarone has been controversially discussed, with divergent results regarding morbidity and mortality after heart transplantation (HTX). Aim The aim of this study was to investigate the effects of long-term use of amiodarone before HTX on early post-transplant atrial fibrillation (AF) and mortality after HTX. Methods Five hundred and thirty patients (age ≥18 years) receiving HTX between June 1989 and December 2012 were included in this retrospective single-center study. Patients with long-term use of amiodarone before HTX (≥1 year) were compared to those without long-term use (none or <1 year of amiodarone). Primary outcomes were early post-transplant AF and mortality after HTX. The Kaplan–Meier estimator using log-rank tests was applied for freedom from early post-transplant AF and survival. Results Of the 530 patients, 74 (14.0%) received long-term amiodarone therapy, with a mean duration of 32.3±26.3 months. Mean daily dose was 223.0±75.0 mg. Indications included AF, Wolff–Parkinson–White syndrome, ventricular tachycardia, and ventricular fibrillation. Patients with long-term use of amiodarone before HTX had significantly lower rates of early post-transplant AF (P=0.0105). Further, Kaplan–Meier analysis of freedom from early post-transplant AF showed significantly lower rates of AF in this group (P=0.0123). There was no statistically significant difference between patients with and without long-term use of amiodarone prior to HTX in 1-year (P=0.8596), 2-year (P=0.8620), 5-year (P=0.2737), or overall follow-up mortality after HTX (P=0.1049). Moreover, Kaplan–Meier survival analysis showed no statistically significant difference in overall survival (P=0.1786). Conclusion Long-term use of amiodarone in patients before HTX significantly reduces early post-transplant AF and is not associated with increased mortality after HTX.
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Affiliation(s)
- Rasmus Rivinius
- Department of Cardiology, Angiology and Pneumology, Heidelberg University Hospital, Heidelberg, Germany
| | - Matthias Helmschrott
- Department of Cardiology, Angiology and Pneumology, Heidelberg University Hospital, Heidelberg, Germany
| | - Arjang Ruhparwar
- Department of Cardiac Surgery, Heidelberg University Hospital, Heidelberg, Germany
| | - Bastian Schmack
- Department of Cardiac Surgery, Heidelberg University Hospital, Heidelberg, Germany
| | - Christian Erbel
- Department of Cardiology, Angiology and Pneumology, Heidelberg University Hospital, Heidelberg, Germany
| | - Christian A Gleissner
- Department of Cardiology, Angiology and Pneumology, Heidelberg University Hospital, Heidelberg, Germany
| | - Mohammadreza Akhavanpoor
- Department of Cardiology, Angiology and Pneumology, Heidelberg University Hospital, Heidelberg, Germany
| | - Lutz Frankenstein
- Department of Cardiology, Angiology and Pneumology, Heidelberg University Hospital, Heidelberg, Germany
| | - Fabrice F Darche
- Department of Cardiology, Angiology and Pneumology, Heidelberg University Hospital, Heidelberg, Germany
| | - Patrick A Schweizer
- Department of Cardiology, Angiology and Pneumology, Heidelberg University Hospital, Heidelberg, Germany
| | - Dierk Thomas
- Department of Cardiology, Angiology and Pneumology, Heidelberg University Hospital, Heidelberg, Germany
| | - Philipp Ehlermann
- Department of Cardiology, Angiology and Pneumology, Heidelberg University Hospital, Heidelberg, Germany
| | - Tom Bruckner
- Institute for Medical Biometry and Informatics, University of Heidelberg, Heidelberg, Germany
| | - Hugo A Katus
- Department of Cardiology, Angiology and Pneumology, Heidelberg University Hospital, Heidelberg, Germany
| | - Andreas O Doesch
- Department of Cardiology, Angiology and Pneumology, Heidelberg University Hospital, Heidelberg, Germany
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Daoulah A, Ocheltree S, Al-Faifi SM, Ahmed W, Alsheikh-Ali AA, Asrar F, Lotfi A. Sleep apnea and severe bradyarrhythmia--an alternative treatment option: a case report. J Med Case Rep 2015; 9:113. [PMID: 25975802 PMCID: PMC4437673 DOI: 10.1186/s13256-015-0596-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2014] [Accepted: 04/24/2015] [Indexed: 11/22/2022] Open
Abstract
Introduction Sinus arrest, atrio-ventricular block, supraventricular, and ventricular arrhythmias have been reported in patients with sleep apnea syndrome. The arrhythmias usually occur during sleep and contribute to the cardiovascular morbidity and mortality, and the treatment of sleep apnea usually results in the resolution of the brady- arrhythmias. Weight loss, continuous positive airway pressure (CPAP), oral appliances, and upper airway surgery are the recommended treatments, however, compliance and efficacy are issues. Case presentation A 58-year-old Arab man presented with recurrent presyncope. He was subsequently diagnosed with sleep apnea associated with frequent and significant sinus pauses. He presented a treatment challenge because he refused continuous positive airway pressure and pacemaker, however, he was successfully treated with theophylline. Conclusion Frequent and significant sinus pause associated with sleep apnea was successfully treated with theophylline in our patient when the standard treatment of care was refused.
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Affiliation(s)
- Amin Daoulah
- Section of Adult Cardiology, Cardiovascular Department, King Faisal Specialist Hospital & Research Center, P.O. Box 40047, Jeddah, 21499, Kingdom of Saudi Arabia.
| | - Sara Ocheltree
- Internal Medicine Department, University of Alabama Huntsville Regional Medical Campus, Huntsville, Alabama, USA.
| | - Salem M Al-Faifi
- Section of Pulmonology, Internal Medicine Department, King Faisal Specialist Hospital & Research Center, Jeddah, Kingdom of Saudi Arabia.
| | - Waleed Ahmed
- Section of Infectious Disease, Internal Medicine Department, King Faisal Specialist Hospital & Research Center, Jeddah, Kingdom of Saudi Arabia.
| | - Alawi A Alsheikh-Ali
- Heart and Vascular Institute, Sheikh Khalifa Medical City, Abu Dhabi, United Arab Emirates. .,Department of Medicine, Tufts University School of Medicine, Boston, MA, USA.
| | - Farhan Asrar
- Department of Family Medicine, McMaster University, Hamilton, Ontario, Canada. .,Health & Counselling Centre, University of Toronto, Mississauga, Ontario, Canada.
| | - Amir Lotfi
- Baystate Medical Center, Tufts University School of Medicine, Springfield, Massachusetts, USA.
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Vallurupalli S, Aggarwal C, Sewani A, Paydak H. Oral theophylline as temporizing treatment of neck mass induced carotid sinus syncope. Int J Cardiol 2013; 167:e79-80. [DOI: 10.1016/j.ijcard.2013.03.144] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/06/2013] [Accepted: 03/29/2013] [Indexed: 10/26/2022]
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25
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Epstein AE, DiMarco JP, Ellenbogen KA, Estes NAM, Freedman RA, Gettes LS, Gillinov AM, Gregoratos G, Hammill SC, Hayes DL, Hlatky MA, Newby LK, Page RL, Schoenfeld MH, Silka MJ, Stevenson LW, Sweeney MO. 2012 ACCF/AHA/HRS focused update incorporated into the ACCF/AHA/HRS 2008 guidelines for device-based therapy of cardiac rhythm abnormalities: a report of the American College of Cardiology Foundation/American Heart Association Task Force on Practice Guidelines and the Heart Rhythm Society. Circulation 2012; 127:e283-352. [PMID: 23255456 DOI: 10.1161/cir.0b013e318276ce9b] [Citation(s) in RCA: 378] [Impact Index Per Article: 31.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Epstein AE, DiMarco JP, Ellenbogen KA, Estes NAM, Freedman RA, Gettes LS, Gillinov AM, Gregoratos G, Hammill SC, Hayes DL, Hlatky MA, Newby LK, Page RL, Schoenfeld MH, Silka MJ, Stevenson LW, Sweeney MO, Tracy CM, Epstein AE, Darbar D, DiMarco JP, Dunbar SB, Estes NAM, Ferguson TB, Hammill SC, Karasik PE, Link MS, Marine JE, Schoenfeld MH, Shanker AJ, Silka MJ, Stevenson LW, Stevenson WG, Varosy PD. 2012 ACCF/AHA/HRS focused update incorporated into the ACCF/AHA/HRS 2008 guidelines for device-based therapy of cardiac rhythm abnormalities: a report of the American College of Cardiology Foundation/American Heart Association Task Force on Practice Guidelines and the Heart Rhythm Society. J Am Coll Cardiol 2012; 61:e6-75. [PMID: 23265327 DOI: 10.1016/j.jacc.2012.11.007] [Citation(s) in RCA: 561] [Impact Index Per Article: 46.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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Jones DG, Mortsell DH, Rajaruthnam D, Hamour I, Hussain W, Markides V, Banner NR, Wong T. Permanent pacemaker implantation early and late after heart transplantation: Clinical indication, risk factors and prognostic implications. J Heart Lung Transplant 2011; 30:1257-65. [DOI: 10.1016/j.healun.2011.05.010] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2010] [Revised: 05/21/2011] [Accepted: 05/28/2011] [Indexed: 10/18/2022] Open
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Deakin CD, Morrison LJ, Morley PT, Callaway CW, Kerber RE, Kronick SL, Lavonas EJ, Link MS, Neumar RW, Otto CW, Parr M, Shuster M, Sunde K, Peberdy MA, Tang W, Hoek TLV, Böttiger BW, Drajer S, Lim SH, Nolan JP. Part 8: Advanced life support: 2010 International Consensus on Cardiopulmonary Resuscitation and Emergency Cardiovascular Care Science with Treatment Recommendations. Resuscitation 2011; 81 Suppl 1:e93-e174. [PMID: 20956032 DOI: 10.1016/j.resuscitation.2010.08.027] [Citation(s) in RCA: 167] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
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Morrison LJ, Deakin CD, Morley PT, Callaway CW, Kerber RE, Kronick SL, Lavonas EJ, Link MS, Neumar RW, Otto CW, Parr M, Shuster M, Sunde K, Peberdy MA, Tang W, Hoek TLV, Böttiger BW, Drajer S, Lim SH, Nolan JP, Adrie C, Alhelail M, Battu P, Behringer W, Berkow L, Bernstein RA, Bhayani SS, Bigham B, Boyd J, Brenner B, Bruder E, Brugger H, Cash IL, Castrén M, Cocchi M, Comadira G, Crewdson K, Czekajlo MS, Davies SR, Dhindsa H, Diercks D, Dine CJ, Dioszeghy C, Donnino M, Dunning J, El Sanadi N, Farley H, Fenici P, Feeser VR, Foster JA, Friberg H, Fries M, Garcia-Vega FJ, Geocadin RG, Georgiou M, Ghuman J, Givens M, Graham C, Greer DM, Halperin HR, Hanson A, Holzer M, Hunt EA, Ishikawa M, Ioannides M, Jeejeebhoy FM, Jennings PA, Kano H, Kern KB, Kette F, Kudenchuk PJ, Kupas D, La Torre G, Larabee TM, Leary M, Litell J, Little CM, Lobel D, Mader TJ, McCarthy JJ, McCrory MC, Menegazzi JJ, Meurer WJ, Middleton PM, Mottram AR, Navarese EP, Nguyen T, Ong M, Padkin A, Ferreira de Paiva E, Passman RS, Pellis T, Picard JJ, Prout R, Pytte M, Reid RD, Rittenberger J, Ross W, Rubertsson S, Rundgren M, Russo SG, Sakamoto T, Sandroni C, Sanna T, Sato T, Sattur S, Scapigliati A, Schilling R, Seppelt I, Severyn FA, Shepherd G, Shih RD, Skrifvars M, Soar J, Tada K, Tararan S, Torbey M, Weinstock J, Wenzel V, Wiese CH, Wu D, Zelop CM, Zideman D, Zimmerman JL. Part 8: Advanced Life Support. Circulation 2010; 122:S345-421. [DOI: 10.1161/circulationaha.110.971051] [Citation(s) in RCA: 250] [Impact Index Per Article: 17.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Koeppen M, Eckle T, Eltzschig HK. Selective deletion of the A1 adenosine receptor abolishes heart-rate slowing effects of intravascular adenosine in vivo. PLoS One 2009; 4:e6784. [PMID: 19707555 PMCID: PMC2727950 DOI: 10.1371/journal.pone.0006784] [Citation(s) in RCA: 81] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2009] [Accepted: 07/30/2009] [Indexed: 01/02/2023] Open
Abstract
Objective Intravenous adenosine induces temporary bradycardia. This is due to the activation of extracellular adenosine receptors (ARs). While adenosine can signal through any of four ARs (A1AR, A2AAR, A2BAR, A3AR), previous ex vivo studies implicated the A1AR in the heart-rate slowing effects. Here, we used comparative genetic in vivo studies to address the contribution of individual ARs to the heart-rate slowing effects of intravascular adenosine. Methods and Results We studied gene-targeted mice for individual ARs to define their in vivo contribution to the heart-rate slowing effects of adenosine. Anesthetized mice were treated with a bolus of intravascular adenosine, followed by measurements of heart-rate and blood pressure via a carotid artery catheter. These studies demonstrated dose-dependent slowing of the heart rate with adenosine treatment in wild-type, A2AAR−/−, A2BAR−/−, or A3AR−/− mice. In contrast, adenosine-dependent slowing of the heart-rate was completely abolished in A1AR−/− mice. Moreover, pre-treatment with a specific A1AR antagonist (DPCPX) attenuated the heart-rate slowing effects of adenosine in wild-type, A2AAR−/−, or A2BAR−/− mice, but did not alter hemodynamic responses of A1AR−/− mice. Conclusions The present studies combine pharmacological and genetic in vivo evidence for a selective role of the A1AR in slowing the heart rate during adenosine bolus injection.
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Affiliation(s)
- Michael Koeppen
- Mucosal Inflammation Program, Department of Anesthesiology and Perioperative Medicine, University of Colorado Denver, Aurora, Colorado, United States of America
| | - Tobias Eckle
- Mucosal Inflammation Program, Department of Anesthesiology and Perioperative Medicine, University of Colorado Denver, Aurora, Colorado, United States of America
| | - Holger K. Eltzschig
- Mucosal Inflammation Program, Department of Anesthesiology and Perioperative Medicine, University of Colorado Denver, Aurora, Colorado, United States of America
- Department of Anesthesiology and Critical Care Medicine, Tübingen University Hospital, Tübingen, Germany
- * E-mail:
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Epstein AE, DiMarco JP, Ellenbogen KA, Estes NAM, Freedman RA, Gettes LS, Gillinov AM, Gregoratos G, Hammill SC, Hayes DL, Hlatky MA, Newby LK, Page RL, Schoenfeld MH, Silka MJ, Stevenson LW, Sweeney MO, Smith SC, Jacobs AK, Adams CD, Anderson JL, Buller CE, Creager MA, Ettinger SM, Faxon DP, Halperin JL, Hiratzka LF, Hunt SA, Krumholz HM, Kushner FG, Lytle BW, Nishimura RA, Ornato JP, Page RL, Riegel B, Tarkington LG, Yancy CW. ACC/AHA/HRS 2008 Guidelines for Device-Based Therapy of Cardiac Rhythm Abnormalities: a report of the American College of Cardiology/American Heart Association Task Force on Practice Guidelines (Writing Committee to Revise the ACC/AHA/NASPE 2002 Guideline Update for Implantation of Cardiac Pacemakers and Antiarrhythmia Devices) developed in collaboration with the American Association for Thoracic Surgery and Society of Thoracic Surgeons. J Am Coll Cardiol 2008; 51:e1-62. [PMID: 18498951 DOI: 10.1016/j.jacc.2008.02.032] [Citation(s) in RCA: 1101] [Impact Index Per Article: 68.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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ACC/AHA/HRS 2008 Guidelines for device-based therapy of cardiac rhythm abnormalities. Heart Rhythm 2008; 5:e1-62. [PMID: 18534360 DOI: 10.1016/j.hrthm.2008.04.014] [Citation(s) in RCA: 196] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/16/2008] [Indexed: 01/27/2023]
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Epstein AE, DiMarco JP, Ellenbogen KA, Estes NAM, Freedman RA, Gettes LS, Gillinov AM, Gregoratos G, Hammill SC, Hayes DL, Hlatky MA, Newby LK, Page RL, Schoenfeld MH, Silka MJ, Stevenson LW, Sweeney MO, Smith SC, Jacobs AK, Adams CD, Anderson JL, Buller CE, Creager MA, Ettinger SM, Faxon DP, Halperin JL, Hiratzka LF, Hunt SA, Krumholz HM, Kushner FG, Lytle BW, Nishimura RA, Ornato JP, Page RL, Riegel B, Tarkington LG, Yancy CW. ACC/AHA/HRS 2008 Guidelines for Device-Based Therapy of Cardiac Rhythm Abnormalities: a report of the American College of Cardiology/American Heart Association Task Force on Practice Guidelines (Writing Committee to Revise the ACC/AHA/NASPE 2002 Guideline Update for Implantation of Cardiac Pacemakers and Antiarrhythmia Devices): developed in collaboration with the American Association for Thoracic Surgery and Society of Thoracic Surgeons. Circulation 2008; 117:e350-408. [PMID: 18483207 DOI: 10.1161/circualtionaha.108.189742] [Citation(s) in RCA: 935] [Impact Index Per Article: 58.4] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Incidence, Predictors, and Outcomes of Cardiac Pacing After Cardiac Transplantation: An 11-Year Retrospective Analysis. Transplantation 2008; 85:1216-8. [DOI: 10.1097/tp.0b013e31816b677c] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Pieper GM, Roza AM. The complex role of iNOS in acutely rejecting cardiac transplants. Free Radic Biol Med 2008; 44:1536-52. [PMID: 18291116 PMCID: PMC2443548 DOI: 10.1016/j.freeradbiomed.2008.01.020] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/12/2007] [Revised: 01/17/2008] [Accepted: 01/18/2008] [Indexed: 12/13/2022]
Abstract
This review summarizes the evidence for a detrimental role of nitric oxide (NO) derived from inducible NO synthase (iNOS) and/or reactive nitrogen species such as peroxynitrite in acutely rejecting cardiac transplants. In chronic cardiac transplant rejection, iNOS may have an opposing beneficial component. The purpose of this review is primarily to address issues related to acute rejection, which is a recognized risk factor for chronic rejection. The evidence for a detrimental role is based upon strategies involving nonselective NOS inhibitors, NO neutralizers, selective iNOS inhibitors, and iNOS gene deletion in rodent models of cardiac rejection. The review is presented in the context of the impact on various components, including graft survival, histological rejection, and cardiac function, which may contribute to the process of graft rejection in toto. Possible limitations of each strategy are discussed in order to understand better the variance in published findings, including issues related to the potential importance of cell localization of iNOS expression. Finally, the concept of a dual role for NO and its downstream product, peroxynitrite, in rejection vs immune regulation is discussed.
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Affiliation(s)
- Galen M Pieper
- Division of Transplant Surgery, Medical College of Wisconsin, Milwaukee, WI 53226, USA.
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Whitman CB, Schroeder WS, Ploch PJ, Raghavendran K. Efficacy of Aminophylline for Treatment of Recurrent Symptomatic Bradycardia After Spinal Cord Injury. Pharmacotherapy 2008; 28:131-5. [DOI: 10.1592/phco.28.1.131] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Weant KA, Kilpatrick M, Jaikumar S. Aminophylline for the treatment of symptomatic bradycardia and asystole secondary to cervical spine injury. Neurocrit Care 2007; 7:250-2. [PMID: 17589812 DOI: 10.1007/s12028-007-0067-z] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
INTRODUCTION Bradycardia is a common complication of cervical spine damage in the weeks following injury, occurring in up to 100% of patients in some studies. Cardiac arrest and asystole have been reported in as many as 15% of these patients and cardiac events are the main cause of death within the first year. We describe the case of a 25-year-old African-American male involved in a motor vehicle collision who suffered C6-C7 subluxation. METHODS Following cervical discectomy and spinal fusion the patient began to develop progressive bradycardia culminating on hospital day 20 with two asystolic events requiring atropine administration. In an attempt to prevent further events and generate hemodynamic stability, aminophylline therapy was initiated. RESULTS Following day two of therapy, the patient's bradycardia resolved, and no further asystolic events occurred. CONCLUSION There is limited evidence for the use of methylxanthines in the treatment of bradycardia associated with spinal cord injury. In patients with recurrent asystolic events or symptomatic bradycardia the use of these agents should be considered.
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Affiliation(s)
- Kyle A Weant
- Department of Pharmacy, University of North Carolina Hospitals, 101 Manning Drive, Chapel Hill, NC 27514, USA.
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Sodeck GH, Domanovits H, Meron G, Rauscha F, Losert H, Thalmann M, Vlcek M, Laggner AN. Compromising bradycardia: management in the emergency department. Resuscitation 2007; 73:96-102. [PMID: 17212976 DOI: 10.1016/j.resuscitation.2006.08.006] [Citation(s) in RCA: 49] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2006] [Revised: 08/03/2006] [Accepted: 08/04/2006] [Indexed: 11/25/2022]
Abstract
AIM OF THE STUDY Bradycardia may represent a serious emergency. The need for temporary and permanent pacing is unknown. METHODS We analysed a registry for the incidence, symptoms, presenting rhythm, underlying mechanism, management and outcome of patients presenting with compromising bradycardia to the emergency department of a university hospital retrospectively during a 10-year period. RESULTS We identified 277 patients, 173 male (62%), median age 68 (IQR 58-78), median ventricular rate 33 min(-1) (IQR 30-40). The leading symptoms were syncope [94 (33%)], dizziness [61 (22%)], collapse [46 (17%)], angina [46 (17%)] and dyspnoea/heart failure [30 (11%)]. The initial ECG showed high grade AV block [134 (48%)], sinus bradycardia/AV block [46 (17%)], sinuatrial arrest [42 (15%)], bradycardic atrial fibrillation [39 (14%)] and pacemaker-failure [16 (6%)]. The underlying mechanisms were primary disturbance of cardiac automaticity and/or conduction [135 (49%)], adverse drug effect [58 (21%)], acute myocardial infarction [40 (14%)], pacemaker failure [16 (6%)], intoxication [16 (6%)] and electrolyte disorder [12 patients (4%)]. In 107 (39%) patients bed rest resolved the symptoms. Intravenous drugs to increase ventricular rate were given to 170 (61%) patients, 54 (20%) required additional temporary transvenous/transcutaneous pacing. Two severely intoxicated patients could be stabilised only by cardiopulmonary bypass. A permanent pacemaker was implanted in 137 patients (50%). Mortality was 5% at 30 days. CONCLUSION In our cohort, about 20% of the patients presenting with compromising bradycardia required temporary emergency pacing for initial stabilisation, in 50% permanent pacing had to be established.
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Affiliation(s)
- G H Sodeck
- Department of Emergency Medicine, Vienna General Hospital, Medical School, Waehringer Guertel 18-20, A-1090 Vienna, Austria
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2005 International Consensus on Cardiopulmonary Resuscitation and Emergency Cardiovascular Care Science with Treatment Recommendations. Part 4: Advanced life support. Resuscitation 2006; 67:213-47. [PMID: 16324990 DOI: 10.1016/j.resuscitation.2005.09.018] [Citation(s) in RCA: 119] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
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Abstract
Bradycardia and cardiac arrest are known complications of acute spinal cord injuries and are usually temporary. If the general measures of correcting hypoxia and using atropine fail, placement of a temporary followed by a permanent pacemaker is typically considered. We describe 2 very interesting cases of severe symptomatic bradycardia resistant to atropine, where we were able to obviate the use of pacemaker placement by the simple use of intravenous aminophylline. Aminophylline had been used in the past for treating resistant bradycardia in settings such as acute inferior wall myocardial infarction, cardiac transplantation, and so on, but has never been used in the setting of acute spinal cord injuries. Aminophylline probably works in this setting by increasing cyclic adenosine monophosphate (cAMP) and activating the sympathoadrenal system.
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Affiliation(s)
- Venkat R Pasnoori
- Division of Cardiology, University of Louisville, Louisville, KY 40292, USA.
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Coons JC, Shullo M, Schonder K, Kormos R. Terbutaline for chronotropic support in heart transplantation. Ann Pharmacother 2004; 38:586-9. [PMID: 14982976 DOI: 10.1345/aph.1d440] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
Abstract
OBJECTIVE To report the use of oral terbutaline for chronotropic support in a patient who had undergone heart transplantation. CASE SUMMARY A 54-year-old white man received a heart transplant secondary to ischemic dilated cardiomyopathy. His clinical course was uncomplicated until postoperative day 10, when he became hemodynamically compromised despite inotropic therapy (BP 88/53 mm Hg, mean HR 80 beats/min) secondary to stage IIIa rejection. Although a continuous intravenous infusion of dobutamine was maintained, therapy with oral terbutaline 2.5 mg every 6 hours was initiated. Because the patient remained bradycardic on postoperative day 11 (HR 64 beats/min; mean 75), terbutaline was titrated to a dosage of 5 mg every 8 hours. Subsequently, an improvement in the hemodynamic profile (BP 140/78 mm Hg, mean HR 91 beats/min) was noted. Treatment with terbutaline was continued for 13 days and was well tolerated. DISCUSSION As of February 11, 2004, this is the first case, to our knowledge, to describe the use of oral terbutaline therapy for chronotropic support in the setting of acute rejection after heart transplantation. Terbutaline is a beta2-adrenergic agonist that may mediate its effects via direct beta2-receptor stimulation, baroreceptor-mediated increases in sympathetic tone, or via presynaptic beta2-stimulation. Although isoproterenol has been the mainstay of therapy for chronotropic support in this setting, its availability has been an issue in recent years. Terbutaline, therefore, may represent a useful alternative for chronotropic support in the setting of heart transplantation. CONCLUSIONS Terbutaline therapy did not appear to be associated with any significant adverse effects and warrants further application and study in this setting.
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Affiliation(s)
- James C Coons
- University of Pittsburgh Medical Center Health System, and University of Pittsburgh School of Pharmacy, Pittsburgh, PA, USA.
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Goldstein DR, Coffey CS, Benza RL, Nanda NC, Bourge RC. Relative perioperative bradycardia does not lead to adverse outcomes after cardiac transplantation. Am J Transplant 2003; 3:484-91. [PMID: 12694073 DOI: 10.1034/j.1600-6143.2003.00073.x] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
Since the effects of bradycardia after cardiac transplantation are not known, we tested the hypothesis that perioperative bradycardia would lead to an increase in adverse outcomes after cardiac transplantation. We conducted a retrospective case control study with inclusion criterion of a heart rate (HR) less than 80 bpm during the 1st week after transplantation. Control patients were matched for gender, age and time since transplantation. We identified 34 patients as having perioperative bradycardia out of the 174 who underwent cardiac transplantation between 1994 and 1997. The results demonstrated no significant differences in donor ischemic times (180 vs. 183, p = 0.88), operative surgeon (p = 0.62) or pretransplant cardiac disease (p = 0.81) between groups. Bradycardic patients were more likely to be on pretransplant amiodarone (RR = 20.4, p < 0.001). Perioperative bradycardia did not lead to increases in cellular rejection (p = 0.72) or vasculopathy (p = 0.79). The patients prescribed pretransplant amiodarone (n = 14) had a trend toward delayed time to first rejection episode (31.0 vs. 15.5 days, median, p = 0.07). In conclusion, perioperative bradycardia does not increase adverse outcomes after cardiac transplantation and is associated with pretransplant use of amiodarone. Amiodarone may modify the recipients' immune response by delaying the occurrence of rejection.
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Affiliation(s)
- Daniel R Goldstein
- Department of Internal Medicine, Division of Cardiovascular Medicine, Yale University School of Medicine, 3FM-Cardiology, 333 Cedar St, New Haven CT 06520, USA.
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Cawley MJ, Al-Jazairi AS, Stone EA. Intravenous theophylline--an alternative to temporary pacing in the management of bradycardia secondary to AV nodal block. Ann Pharmacother 2001; 35:303-7. [PMID: 11261527 DOI: 10.1345/aph.10106] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
Abstract
OBJECTIVE To report a case of bradycardia secondary to atrioventricular nodal block (AVNB) successfully treated with intravenous theophylline. Intravenous theophylline was used as an alternative to temporary pacing in a patient with sepsis secondary to thermal injury. CASE SUMMARY A 79-year-old white woman with significant cardiac history was admitted with 14.5% total body surface area burns after a house fire. Cardiac events included intermittent episodes of sinus bradycardia complicated by the development of second-degree AVNB and periods of sinus arrest. Intravenous theophylline initiation maintained normal sinus rhythm without further episodes of sinus bradycardia or heart block, thus preventing the need for cardiac pacemaker placement. DISCUSSION This is the first case published in the English-language literature describing the use of intravenous theophylline as an alternative therapy to temporary pacing in a patient with sepsis secondary to thermal injury. Bradyarrhythmic events in sepsis patients have been associated with catecholamine production increasing adenosine formation. High concentrations of adenosine in the areas of the sinoatrial or atrioventricular nodal regions may induce sinus bradycardia or AVNB. Theophylline, an adenosine antagonist, has been identified as a treatment option for such bradyarrhythmic events. CONCLUSIONS Theophylline, a methylxanthine derivative, may represent an alternative to other pharmacologic therapies and temporary pacing in the treatment of bradycardia secondary to AVNB. These agents may represent a pharmacologic alternative in patients in whom other pharmacologic strategies or cardiac pacemaker insertion may be contraindicated.
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Affiliation(s)
- M J Cawley
- Department of Pharmacy Practice and Pharmacy Administration, Philadelphia College of Pharmacy, University of the Sciences in Philadelphia, PA 19104-4495, USA.
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Mader TJ, Bertolet B, Ornato JP, Gutterman JM. Aminophylline in the treatment of atropine-resistant bradyasystole. Resuscitation 2000; 47:105-12. [PMID: 11008148 DOI: 10.1016/s0300-9572(00)00234-3] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Affiliation(s)
- T J Mader
- Department of Emergency Medicine, Baystate Medical Center, 759 Chestnut Street, Springfield, MA 01199, USA.
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Abstract
Recent studies indicate a widening role for adenosine receptors in many therapeutic areas. Adenosine receptors are involved in immunological and inflammatory responses, respiratory regulation, the cardiovascular system, the kidney, various CNS-mediated events including sleep and neuroprotection, as well as central and peripheral pain processes. In this review, the physiological role of adenosine receptors in these key areas is described with reference to the therapeutic potential of adenosine receptor agonists and antagonists.
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Affiliation(s)
- SM Kaiser
- AstraZeneca R & D Griffith University, Brisbane 4111, Australia
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Kaufman LJ, Kofalvi AE, Hong RA, Moreno-Cabral CE, Low LL. Cardioversion of atrial fibrillation with ibutilide in an orthotopic heart transplant patient. J Heart Lung Transplant 1999; 18:1018-20. [PMID: 10561113 DOI: 10.1016/s1053-2498(99)00057-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Affiliation(s)
- L J Kaufman
- St. Francis Medical Center, Honolulu, Hawaii 96817, USA
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Mader TJ, Smithline HA, Gibson P. Aminophylline in undifferentiated out-of-hospital asystolic cardiac arrest. Resuscitation 1999; 41:39-45. [PMID: 10459591 DOI: 10.1016/s0300-9572(99)00029-5] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
Abstract
PRIMARY OBJECTIVE To determine if the introduction of intravenous aminophylline, a nonspecific adenosine receptor antagonist, into the resuscitation algorithm of asystole will increase return of spontaneous circulation when used in undifferentiated prehospital cardiac arrest. METHODS An urban, prehospital, prospective, randomized, double-blind, placebo-controlled trial of nonpregnant normothermic adults suffering nontraumatic out-of-hospital asystolic cardiac arrest. Subjects were treated in accordance with published advanced cardiac life support guidelines and standard pharmacotherapy. They were randomly assigned to receive either placebo or aminophylline along with the initial boluses of atropine and epinephrine. Cardiac rhythms and carotid pulses were monitored throughout the resuscitation. RESULTS Eighty-two patients were entered into the trial. Forty-five patients were assigned to the placebo group and 37 received aminophylline. Nine of 45 controls (20%; 95% CI 10-35%) achieved return of spontaneous circulation compared to ten of 37 (27%; 95% CI 14-44%) in the aminophylline group. CONCLUSIONS We were not able to show a statistically significant improvement in return of spontaneous circulation when aminophylline was given during the early resuscitation phase of undifferentiated asystolic cardiac arrest in the prehospital setting with this sample size.
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Affiliation(s)
- T J Mader
- Department of Emergency Medicine, Tufts University School of Medicine, Boston, MA, USA.
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Toft J, Mortensen J, Hesse B. Risk of atrioventricular block during adenosine pharmacologic stress testing in heart transplant recipients. Am J Cardiol 1998; 82:696-7, A9. [PMID: 9732909 DOI: 10.1016/s0002-9149(98)00392-0] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Pharmacologic stress testing with adenosine in heart transplant recipients implies a high risk of atrioventricular block. Dipyridamole is preferable as a coronary vasodilator.
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Affiliation(s)
- J Toft
- Department of Clinical Physiology and Nuclear Medicine, Centre for Imaging, Informatics and Engineering, Rigshospitalet, Copenhagen University Hospital, Denmark
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Ling CA, Crouch MA. Theophylline for chronic symptomatic bradycardia in the elderly. Ann Pharmacother 1998; 32:837-9. [PMID: 9681101 DOI: 10.1345/aph.17463] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023] Open
Abstract
The treatment of choice for chronic, symptomatic bradycardia is the placement of a cardiac pacemaker. Individuals who refuse or cannot tolerate pacemaker insertion usually require pharmacologic therapy. Hydralazine, prazosin, anticholinergics, and sympathomimetic agents have been administered for this indication, but adverse effects and limited data hinder routine, long-term use. Theophylline has emerged as a reasonable alternative strategy. For the medical management of bradycardia in the elderly, the literature supports theophylline dosages between 400 and 600 mg/d (approximately 8 mg/kg/d) administered in divided doses. This dosage range should result in a steady-state serum concentration between 5 and 15 mg/L. While some investigators recommend potentially higher initial doses (up to 12 mg/kg/d), lower dosages are more appropriate in the elderly due to decreased theophylline clearance. Initial dosage titration may be indicated and prolonged therapy is expected on the basis of the common etiologies of bradycardia in this patient group. Patient specifics such as altered theophylline metabolism (e.g., smoking), drug interactions (e.g., ciprofloxacin), and concomitant disease states (e.g., hepatic disease, heart failure) should always be considered in theophylline dosage recommendations. Clinicians should adjust the theophylline dose on the basis of patient response, including heart rate and clinical symptomatology, as well as measurement of occasional theophylline concentrations, if deemed appropriate. Theophylline should be avoided in the bradycardia-tachycardia manifestations of sick sinus syndrome or when ventricular ectopy is frequent. Additional investigation will further define the role of theophylline in elderly patients with chronic, symptomatic bradycardia.
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Affiliation(s)
- C A Ling
- Department of Pharmacy, Virginia Commonwealth University, Richmond 23298, USA
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Vassallo R, Lipsky JJ. Theophylline: recent advances in the understanding of its mode of action and uses in clinical practice. Mayo Clin Proc 1998; 73:346-54. [PMID: 9559039 DOI: 10.1016/s0025-6196(11)63701-4] [Citation(s) in RCA: 52] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Theophylline, a drug that has been used for several decades, has several different actions at a cellular level, including inhibition of phosphodiesterase isoenzymes, antagonism of adenosine, enhancement of catecholamine secretion, and modulation of calcium fluxes. Recently, theophylline was found to have several immunomodulatory and anti-inflammatory properties, and thus interest in its use in patients with asthma has been renewed. The use of theophylline in the treatment of asthma and chronic obstructive pulmonary disease has diminished with the advent of new medications, but theophylline remains beneficial, especially in the patient with difficult refractory symptoms. In the future, theophylline may be used as treatment for bradyarrhythmias after cardiac transplantation, prophylactic medication to reduce the severity of nephropathy associated with intravenous administration of contrast material, therapy for breathing problems during sleep, and treatment for leukemias.
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Affiliation(s)
- R Vassallo
- Department of Internal Medicine, Mayo Clinic Rochester, Minnesota 55905, USA
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