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Regoli FD, Cattaneo M, Kola F, Thartori A, Bytyci H, Saccarello L, Amoruso M, Di Valentino M, Menafoglio A. Management of hemodynamically stable wide QRS complex tachycardia in patients with implantable cardioverter defibrillators. Front Cardiovasc Med 2023; 9:1011619. [PMID: 36684577 PMCID: PMC9846131 DOI: 10.3389/fcvm.2022.1011619] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2022] [Accepted: 12/12/2022] [Indexed: 01/05/2023] Open
Abstract
Management of hemodynamically stable, incessant wide QRS complex tachycardia (WCT) in patients who already have an implantable cardioverter defibrillator (ICD) is challenging. First-line treatment is performed by medical staff who have no knowledge on programmed ICD therapy settings and there is always some concern for unexpected ICD shock. In these patients, a structured approach is necessary from presentation to therapy. The present review provides a systematic approach in four distinct phases to guide any physician involved in the management of these patients: PHASE I: assessment of hemodynamic status and use of the magnet to temporarily suspend ICD therapies, especially shocks; identification of possible arrhythmia triggers; risk stratification in case of electrical storm (ES). PHASE II The preparation phase includes reversal of potential arrhythmia "triggers", mild patient sedation, and patient monitoring for therapy delivery. Based on resource availability and competences, the most adequate therapeutic approach is chosen. This choice depends on whether a device specialist is readily available or not. In the case of ES in a "high-risk" patient an accelerated patient management protocol is advocated, which considers urgent ventricular tachycardia transcatheter ablation with or without mechanical cardiocirculatory support. PHASE III Therapeutic phase is based on the use of intravenous anti-arrhythmic drugs mostly indicated in this clinical context are presented. Device interrogation is very important in this phase when sustained monomorphic VT diagnosis is confirmed, then ICD ATP algorithms, based on underlying VT cycle length, are proposed. In high-risk patients with intractable ES, intensive patient management considers MCS and transcatheter ablation. PHASE IV The patient is hospitalized for further diagnostics and management aimed at preventing arrhythmia recurrences.
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Affiliation(s)
- François D. Regoli
- Cardiology Service, Ospedale San Giovanni, Cardiocentro Institute, Ente Ospedaliero Cantonale, Bellinzona, Switzerland,Faculty of Biomedical Sciences, Università della Svizzera Italiana (USI), Lugano, Switzerland,*Correspondence: François D. Regoli,
| | - Mattia Cattaneo
- Cardiology Service, Ospedale San Giovanni, Cardiocentro Institute, Ente Ospedaliero Cantonale, Bellinzona, Switzerland
| | - Florenc Kola
- Department of Internal Medicine, Ospedale San Giovanni, Ente Ospedaliero Cantonale, Bellinzona, Switzerland
| | - Albana Thartori
- Department of Internal Medicine, Ospedale San Giovanni, Ente Ospedaliero Cantonale, Bellinzona, Switzerland
| | - Hekuran Bytyci
- Department of Internal Medicine, Ospedale San Giovanni, Ente Ospedaliero Cantonale, Bellinzona, Switzerland
| | - Luca Saccarello
- Department of Internal Medicine, Ospedale San Giovanni, Ente Ospedaliero Cantonale, Bellinzona, Switzerland
| | - Marco Amoruso
- Cardiology Service, Ospedale San Giovanni, Cardiocentro Institute, Ente Ospedaliero Cantonale, Bellinzona, Switzerland
| | - Marcello Di Valentino
- Cardiology Service, Ospedale San Giovanni, Cardiocentro Institute, Ente Ospedaliero Cantonale, Bellinzona, Switzerland,Faculty of Biomedical Sciences, Università della Svizzera Italiana (USI), Lugano, Switzerland
| | - Andrea Menafoglio
- Cardiology Service, Ospedale San Giovanni, Cardiocentro Institute, Ente Ospedaliero Cantonale, Bellinzona, Switzerland
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Azraai M, Miura D, Lin YH, Rodrigues TS, Nadurata V. Incidence and Predictors of Cardiac Implantable Electronic Devices Malfunction with Radiotherapy Treatment. J Clin Med 2022; 11:jcm11216329. [PMID: 36362559 PMCID: PMC9654752 DOI: 10.3390/jcm11216329] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2022] [Revised: 10/13/2022] [Accepted: 10/14/2022] [Indexed: 12/01/2022] Open
Abstract
Aims: To investigate the incidence of cardiac implantable electronic devices (CIED) malfunction with radiotherapy (RT) treatment and assess predictors of CIED malfunction. Methods: A 6-year retrospective analysis of patients who underwent RT with CIED identified through the radiation oncology electronic database. Clinical, RT (cumulative dose, dose per fraction, beam energy, beam energy dose, and anatomical area of RT) and CIED details (type, manufacturer, and device malfunction) were collected from electronic medical records. Results: We identified 441 patients with CIED who underwent RT. CIED encountered a permanent pacemaker (PPM) (78%), cardiac resynchronization therapy—pacing (CRT-P) (2%), an implantable cardioverter defibrillator (ICD) (10%), and a CRT-defibrillator (CRT-D) (10%). The mean cumulative dose of RT was 36 gray (Gy) (IQR 1.8–80 Gy) and the most common beam energy used was photon ≥10 megavolt (MV) with a median dose of 7 MV (IQR 5–18 MV). We further identified 17 patients who had CIED malfunction with RT. This group had a higher cumulative RT dose of 42.5 Gy (20–77 Gy) and a photon dose of 14 MV (12–18 MV). None of the malfunctions resulted in clinical symptoms. Using logistic regression, the predictors of CIED malfunction were photon beam energy use ≥10 MV (OR 5.73; 95% CI, 1.58–10.76), anatomical location of RT above the diaphragm (OR 5.2, 95% CI, 1.82–15.2), and having a CIED from the ICD group (OR 4.6, 95% CI, 0.75–10.2). Conclusion: Clinicians should be aware of predictors of CIED malfunction with RT to ensure the safety of patients.
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Affiliation(s)
- Meor Azraai
- Department of Cardiology, Bendigo Health, Bendigo, VIC 3550, Australia
- Faculty of Medicine, Nursing and Health Sciences, School of Rural Health, Monash University, Melbourne, VIC 3550, Australia
- Correspondence: or ; Tel.: +613-5454-6000
| | - Daisuke Miura
- Department of Cardiology, Bendigo Health, Bendigo, VIC 3550, Australia
| | - Yuan-Hong Lin
- Department of Radiation Oncology, Peter McCallum, Bendigo Health, Bendigo, VIC 3550, Australia
| | - Thalys Sampaio Rodrigues
- Faculty of Medicine, Dentistry and Health Sciences, University of Melbourne, Melbourne, VIC 3010, Australia
| | - Voltaire Nadurata
- Department of Cardiology, Bendigo Health, Bendigo, VIC 3550, Australia
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Azraai M, D'Souza D, Nadurata V. Current Clinical Practice in Patients With Cardiac Implantable Electronic Devices (CIED) Undergoing Radiotherapy (RT). Heart Lung Circ 2021; 31:327-340. [PMID: 34844904 DOI: 10.1016/j.hlc.2021.10.020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2021] [Revised: 10/05/2021] [Accepted: 10/25/2021] [Indexed: 11/26/2022]
Abstract
Patients with cardiac implantable electronic devices (CIED) undergoing radiotherapy (RT) are more common due to ageing of the population. With newer CIEDs implementing the complementary metal-oxide semiconductor (CMOS) technology which allows the miniaturisation of CIED, it is also more susceptible to RT. Effects of RT on CIED ranges from device interference, device operational/memory errors of permanent damage. These malfunctions can cause life threatening clinical effects. Cumulative dose is not the only component of RT that causes CIED malfunction, as neutron use and dose rate effect also affects CIEDs. The management of this patient cohort in clinical practice is inconsistent due to lack of a consistent guideline from manufacturers and physician specialty societies. Our review will focus on the current clinical practice and the recent updated guidelines of managing patients with CIED undergoing RT. We aim to simplify the evidence and provide a simple and easy to use guide based on the recent guidelines.
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Affiliation(s)
- Meor Azraai
- Department of Cardiology, Bendigo Health, Bendigo, Vic, Australia.
| | - Daniel D'Souza
- Department of Cardiology, Bendigo Health, Bendigo, Vic, Australia
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Azraai M, D'Souza D, Lin YH, Nadurata V. Current clinical practice in patients with cardiac implantable electronic devices undergoing radiotherapy: a literature review. Europace 2021; 24:362-374. [PMID: 34516616 DOI: 10.1093/europace/euab241] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2021] [Accepted: 08/25/2021] [Indexed: 12/25/2022] Open
Abstract
Patients with cardiac implantable electronic devices (CIED) undergoing radiotherapy (RT) are more common due to the ageing of the population. With newer CIEDs' implementing the complementary metal-oxide semiconductor (CMOS) technology which allows the miniaturization of CIED, it is also more susceptible to RT. Effects of RT on CIED ranges from device interference, device operational/memory errors of permanent damage. These malfunctions can cause life-threatening clinical effects. Cumulative dose is not the only component of RT that causes CIED malfunction, as neutron use and dose rate effect also affects CIEDs. The management of this patient cohort in clinical practice is inconsistent due to the lack of a consistent guideline from manufacturers and physician specialty societies. Our review will focus on the current clinical practice and the recently updated guidelines of managing patients with CIED undergoing RT. We aim to simplify the evidence and provide a simple and easy to use guide based on the recent guidelines.
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Affiliation(s)
- Meor Azraai
- Department of Cardiology, Bendigo Health, 100 Barnard Street, Bendigo, Victoria 3550, Australia
| | - Daniel D'Souza
- Department of Cardiology, Bendigo Health, 100 Barnard Street, Bendigo, Victoria 3550, Australia
| | - Yuan-Hong Lin
- Department of Cardiology, Bendigo Health, 100 Barnard Street, Bendigo, Victoria 3550, Australia
| | - Voltaire Nadurata
- Department of Cardiology, Bendigo Health, 100 Barnard Street, Bendigo, Victoria 3550, Australia
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AlRahabi MK, Ghabbani HM. Influence and safety of electronic apex locators in patients with cardiovascular implantable electronic devices: a systematic review. Libyan J Med 2019; 14:1547071. [PMID: 30458679 PMCID: PMC6249593 DOI: 10.1080/19932820.2018.1547071] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2018] [Accepted: 11/01/2018] [Indexed: 11/13/2022] Open
Abstract
The widespread use of cardiovascular implantable electronic devices has increased concerns regarding using electronic apex locators in patients with these devices. This systematic review investigated the effects and safety of using electronic apex locators in patients with cardiovascular implantable electronic devices. METHODS An electronic search in the Cochrane Library, PubMed (MEDLINE), ScienceDirect, and Scientific Electronic Library Online (Scielo) databases for relevant articles published between December 2000 and December 2018 was performed. The search strategy centered on terms related to electronic apex locators use during root canal treatment in patients with cardiovascular implantable electronic devices. RESULTS Seven studies (five in vitro and two in vivo) fulfilled the inclusion criteria for this review. It was found that electronic apex locators can be used safely in patients with cardiovascular implantable electronic devices, when general precautions are followed. CONCLUSIONS Although the present review suggests that electronic apex locators can be used safely in patients with implantable cardioverter defibrillators, consultation with patients' cardiologists remains advisable.
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Affiliation(s)
| | - Hani M. Ghabbani
- College of Dentistry, Taibah University, Madinah Al Munawwarah, Saudi Arabia
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Dadalti MTDS, da Cunha AJLA, Araújo MCPD, Moraes LGBD, Risso PDA. Electromagnetic interference of dental equipment with implantable cardioverter defibrillators. Acta Odontol Scand 2017; 75:584-587. [PMID: 28799814 DOI: 10.1080/00016357.2017.1364419] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
OBJECTIVE Implantable cardioverter defibrillators (ICDs) are subject to electromagnetic interference (EMI). The aim of this study was to assess both the EMI of dental equipments with ICDs and related factors. MATERIALS AND METHODS High- and low-speed handpieces, an electric toothbrush, an implant motor and two types of ultrasonic devices were tested next to an ICD with different sensitivity settings. The ICD was immersed in a saline solution with electrical resistance of 400-800 ohms to simulate the resistance of the human body. The dental equipments were tested in both horizontal (0°) and vertical (90°) positions in relation to the components of the ICD. The tests were performed with a container containing saline solution, which was placed on a dental chair in order to assess the cumulative effect of electromagnetic fields. RESULTS The dental chair, high- and low-speed handpieces, electric toothbrush, implant motor and ultrasonic devices caused no EMI with the ICD, irrespective of the program set-up or positioning. No cumulative effect of electromagnetic fields was verified. CONCLUSIONS The results of this study suggest that the devices tested are safe for use in patients with an ICD.
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Affiliation(s)
| | | | - Marcos César Pimenta de Araújo
- a Department of Clinical Dentistry, School of Dentistry , Federal University of Rio de Janeiro , Rio de Janeiro , Brazil
| | - Luis Gustavo Belo de Moraes
- c Department of Cardiology, School of Medicine , Federal University of Rio de Janeiro , Rio de Janeiro , Brazil
| | - Patrícia de Andrade Risso
- a Department of Clinical Dentistry, School of Dentistry , Federal University of Rio de Janeiro , Rio de Janeiro , Brazil
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Bryant HC, Roberts PR, Diprose P. Perioperative management of patients with cardiac implantable electronic devices. BJA Educ 2016. [DOI: 10.1093/bjaed/mkw020] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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Electromagnetic interference of endodontic equipments with cardiovascular implantable electronic device. J Dent 2016; 46:68-72. [PMID: 26765669 DOI: 10.1016/j.jdent.2015.12.008] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2015] [Revised: 12/20/2015] [Accepted: 12/29/2015] [Indexed: 11/20/2022] Open
Abstract
OBJECTIVES Assess the electromagnetic interference (EMI) of endodontic equipment with cardiovascular implantable electronic devices (CIEDs) and related factors. METHODS The laser device, electronic apex locators (EAL), optical microscope, endodontic rotary motors, gutta-percha heat carrier (GH), gutta-percha gun and ultrasonic device were tested next to CIEDs (Medtronic and Biotronik) with varied sensitivity settings and distances. CIEDs were immersed in a saline solution to simulate the electrical resistence of the human body. The endodontic equipment was tested in both horizontal and vertical positions in relation to the components of the CIED. The tests were performed on a dental chair in order to assess the cumulative effect of electromagnetic fields. RESULTS It was found no EMI with the Biotronik pacemaker. EALs caused EMI with Medtronic PM at a 2 cm distance, with the NSK(®) EAL also affecting the Medtronic defibrillator. GH caused EMI at 2 cm and 5 cm from the Medtronic defibrillator. EMI occurred when devices were horizontally positioned to the CIED. In the majority of the cases, EMI occurred when the pacemaker was set to maximum sensitivity. There was cumulative effect of electromagnetic fields between GH and dental chair. CONCLUSIONS EALs and GH caused EMI which ranged according to type and sensitivity setting of the CIEDs and the distance. However, no endodontic equipment caused permanent damage to the CIED. The use of GH caused a cumulative effect of electromagnetic fields. It suggests that during the treatment of patients with CIEDs, only the necessary equipments should be kept turned on. CLINICAL RELEVANCE Patients with CIEDs may be subject to EMI from electronic equipment used in dental offices, as they remain turned on throughout the treatment. This is the first article assessing the cumulative effect of electromagnetic fields.
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Zaremba T, Jakobsen AR, Søgaard M, Thøgersen AM, Riahi S. Radiotherapy in patients with pacemakers and implantable cardioverter defibrillators: a literature review. Europace 2015; 18:479-91. [PMID: 26041870 DOI: 10.1093/europace/euv135] [Citation(s) in RCA: 51] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2015] [Accepted: 04/16/2015] [Indexed: 11/14/2022] Open
Abstract
An increasing number of patients with implantable cardiac rhythm devices undergo radiotherapy (RT) for cancer and are thereby exposed to the risk of device failure. Current safety recommendations seem to have limitations by not accounting for the risk of pacemakers and implantable cardioverter defibrillators malfunctioning at low radiation doses. Besides scant knowledge about optimal safety measures, only little is known about the exact prevalence of patients with devices undergoing RT. In this review, we provide a short overview of the principles of RT and present the current evidence on the predictors and mechanisms of device malfunctions during RT. We also summarize practical recommendations from recent publications and from the industry. Strongly associated with beam energy of photon RT, device malfunctions occur at ∼3% of RT courses, posing a substantial issue in clinical practice. Malfunctions described in the literature typically consist of transient software disturbances and only seldom manifest as a permanent damage of the device. Through close cooperation between cardiologists and oncologists, a tailored individualized approach might be necessary in this patient group in waiting time for updated international guidelines in the field.
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Affiliation(s)
- Tomas Zaremba
- Department of Cardiology, Center for Cardiovascular Research, Aalborg University Hospital, Hobrovej 18-22, Aalborg 9000, Denmark
| | - Annette Ross Jakobsen
- Department of Medical Physics, Oncology Department, Aalborg University Hospital, Hobrovej 18-22, Aalborg 9000, Denmark
| | - Mette Søgaard
- Department of Clinical Epidemiology, Institute of Clinical Medicine, Aarhus University Hospital, Olof Palmes Allé 43-45, Aarhus N 8200, Denmark
| | - Anna Margrethe Thøgersen
- Department of Cardiology, Center for Cardiovascular Research, Aalborg University Hospital, Hobrovej 18-22, Aalborg 9000, Denmark
| | - Sam Riahi
- Department of Cardiology, Center for Cardiovascular Research, Aalborg University Hospital, Hobrovej 18-22, Aalborg 9000, Denmark Department of Clinical Medicine, Aalborg University and Aalborg University Hospital, Sdr. Skovvej 15, Aalborg 9000, Denmark
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Baba NZ, Goodacre CJ, Jekki R, Won J. Gingival displacement for impression making in fixed prosthodontics: contemporary principles, materials, and techniques. Dent Clin North Am 2014; 58:45-68. [PMID: 24286645 DOI: 10.1016/j.cden.2013.09.002] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
The clinical success and longevity of indirect restorations depend on the careful and accurate completion of several procedures. One of the challenging procedures is management of the gingival tissues and gingival esthetics. The goal for management of gingival tissues and gingival esthetics is to maintain the normal appearance of healthy gingival. Achieving this goal requires optimal health before treatment and minimal trauma during treatment. The best way of optimizing health and minimizing trauma is to avoid contacting the gingiva with restorative materials.
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Affiliation(s)
- Nadim Z Baba
- Hugh Love Center for Research and Education in Technology, Loma Linda University, School of Dentistry, 11092 Anderson Street, Loma Linda, CA 92350, USA.
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Abstract
OBJECTIVE The purpose of this article is to review the normal and abnormal radiographic appearances of cardiac pacemaker and implantable cardioverter defibrillator systems. CONCLUSION Chest radiographs showing pacemakers and implantable cardioverter defibrillators contain identifying and clinically relevant information, such as MRI compatibility and possible malfunction. Accurate and timely reporting of these features provides important information that can improve patient care.
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13
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Pomerantz RG, Lee DA, Siegel DM. Risk assessment in surgical patients: balancing iatrogenic risks and benefits. Clin Dermatol 2011; 29:669-77. [DOI: 10.1016/j.clindermatol.2011.08.012] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
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Wellman DS, McCoy BW, Levin SD, Knight BP. Shoulder arthroscopy in patients with a cardiac pacemaker or defibrillator: a case report and discussion of perioperative management. J Shoulder Elbow Surg 2010; 19:1204-9. [PMID: 20656525 DOI: 10.1016/j.jse.2010.04.040] [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: 02/05/2010] [Revised: 04/14/2010] [Accepted: 04/18/2010] [Indexed: 02/01/2023]
Affiliation(s)
- David S Wellman
- Department of Orthopaedic Surgery, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
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Abstract
Patients with permanent cardiac pacemakers (PPMs) are vulnerable to electromagnetic interference from electrical equipment used in the operating room environment. Electromagnetic interference may lead to PPM malfunction with potential harmful effects to the patient. Conventional techniques for peripheral nerve blockade include the use of electrical nerve stimulation (NS) for nerve localization. The hazards of NS, especially when applied near the implanted PPM sites, are not known. In the absence of available guidelines regarding the safe use of NS in the setting of an implanted PPM, we recommend a combined guidance approach for peripheral nerve blockade using ultrasound for nerve localization along with low-current NS for nerve identification.
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Theodotou N, Cillo JE. Brugada Syndrome (Sudden Unexpected Death Syndrome): Perioperative and Anesthetic Management in Oral and Maxillofacial Surgery. J Oral Maxillofac Surg 2009; 67:2021-5. [DOI: 10.1016/j.joms.2009.04.043] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2008] [Revised: 03/31/2009] [Accepted: 04/21/2009] [Indexed: 10/20/2022]
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Gombotz H, Anelli Monti M, Leitgeb N, Nürnberg M, Strohmer B. Perioperatives Management von Patienten mit implantiertem Schrittmacher oder Kardioverter/Defibrillator. Anaesthesist 2009; 58:485-98. [DOI: 10.1007/s00101-009-1553-9] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Bloqueo de nervio periférico bajo visión ecográfica en un paciente con cardiodesfibrilador implantable. COLOMBIAN JOURNAL OF ANESTHESIOLOGY 2009. [DOI: 10.1016/s0120-3347(09)71010-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
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Ruiz N, Buisán F, Fulquet E. [Implantable pacemakers and defibrillators: implications for anesthesia and perioperative management]. REVISTA ESPANOLA DE ANESTESIOLOGIA Y REANIMACION 2009; 56:97-107. [PMID: 19334658 DOI: 10.1016/s0034-9356(09)70339-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
The technological complexity of implantable devices for managing arrhythmias, specifically pacemakers and defibrillators, has increased spectacularly since their introduction a few decades ago. A growing number of patients with these devices are undergoing surgery and it is therefore essential to understand how they work and what the real associated risks are. Manuals and reference works on anesthesia may provide little information on these devices and their perioperative management. It is no longer satisfactory to place a magnet over these devices during surgery and assume that this action will protect the patient from the possible effects of electromagnetic interference. This review examines the basic principles and operation of implantable pacemakers and defibrillators, the relevant nomenclature, and the sources and effects of electromagnetic interference; the current recommendations for the perioperative management of patients fitted with these devices are also discussed.
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Affiliation(s)
- N Ruiz
- Servicio de Anestesiología y Reanimación, Hospital de Medina del Campo, Valladolid
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Chapa DW, Lee HJ, Kao CW, Friedmann E, Thomas SA, Anderson J, Bardy GH. Reducing Mortality With Device Therapy in Heart Failure Patients Without Ventricular Arrhythmias. Am J Crit Care 2008. [DOI: 10.4037/ajcc2008.17.5.443] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022]
Abstract
Use of device therapy to prevent sudden cardiac death in patients with heart failure is expanding on the basis of evidence from recent clinical trials. Three multicenter prospective clinical trials—Sudden Cardiac Death in Heart Failure (SCD-HeFT); Comparison of Medical Therapy, Pacing, and Defibrillation in Heart Failure (COMPANION); and Cardiac Resynchronization-Heart Failure (CARE-HF)—were conducted to determine the effectiveness of devices in reducing mortality in patients with heart failure who did not have a history of ventricular arrhythmias. The 3 trials varied in the devices used, the population of patients included, and the study designs. In SCD-HeFT, implantable cardioverter defibrillators were more effective than pharmacological therapy in preventing mortality among patients with mild to moderate heart failure. In COMPANION, cardiac resynchronization therapy alone and cardiac resynchronization therapy plus an implantable cardioverter defibrillator were more effective than optimal drug treatment in reducing morbidity and all-cause mortality in patients with moderate to severe heart failure. In CARE-HF, cardiac resynchronization therapy alone was more effective than optimal drug treatment in reducing all-cause mortality in patients with moderate to severe heart failure. No direct comparison of the devices used has been done. These 3 clinical trials provide clear evidence that device therapy is beneficial for some patients with heart failure, even patients who do not have a history of ventricular arrhythmia.
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Affiliation(s)
- Deborah W. Chapa
- Deborah W. Chapa is an assistant professor at Florida Gulf Coast University, Fort Myers, Florida
| | - Hyeon-Joo Lee
- Hyeon-Joo Lee is a doctoral student, Erika Friedmann is a professor, and Sue A. Thomas is assistant dean of the PhD program and a professor at the University of Maryland School of Nursing, Baltimore, Maryland
| | - Chi-Wen Kao
- Chi-Wen Kao is an assistant professor, School of Nursing, National Defense Medical Center, Taipei, Taiwan
| | - Erika Friedmann
- Hyeon-Joo Lee is a doctoral student, Erika Friedmann is a professor, and Sue A. Thomas is assistant dean of the PhD program and a professor at the University of Maryland School of Nursing, Baltimore, Maryland
| | - Sue A. Thomas
- Hyeon-Joo Lee is a doctoral student, Erika Friedmann is a professor, and Sue A. Thomas is assistant dean of the PhD program and a professor at the University of Maryland School of Nursing, Baltimore, Maryland
| | - Jill Anderson
- Jill Anderson is director of clinical affairs and Gust H. Bardy is president of the Seattle Institute for Cardiovascular Research, Seattle, Washington
| | - Gust H. Bardy
- Jill Anderson is director of clinical affairs and Gust H. Bardy is president of the Seattle Institute for Cardiovascular Research, Seattle, Washington
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Engelhardt L, Große J, Birnbaum J, Volk T. A reply. Anaesthesia 2008. [DOI: 10.1111/j.1365-2044.2008.05530_2.x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Engelhardt L, Grosse J, Birnbaum J, Volk T. Inhibition of a pacemaker during nerve stimulation for regional anaesthesia. Anaesthesia 2007; 62:1071-4. [PMID: 17845662 DOI: 10.1111/j.1365-2044.2007.05218.x] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Electromagnetic interference is an important cause of pacemaker malfunction. We describe a case in which the use of a peripheral nerve stimulator at a pulse duration of 1 ms and a current of 1.4 mA led to complete but transient inhibition of a permanent pacemaker in a 73-year-old female who had undergone a total shoulder replacement.
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Affiliation(s)
- L Engelhardt
- Department of Anaesthesiology and Intensive Care Medicine, Charité - Universitaetsmedizin Berlin, Charitéplatz 1, 10117 Berlin, Germany.
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McMullan J, Valento M, Attari M, Venkat A. Care of the pacemaker/implantable cardioverter defibrillator patient in the ED. Am J Emerg Med 2007; 25:812-22. [PMID: 17870488 DOI: 10.1016/j.ajem.2007.02.008] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2006] [Revised: 01/20/2007] [Accepted: 02/03/2007] [Indexed: 02/04/2023] Open
Abstract
As the population ages and the prevalence of cardiovascular disease increases, patients with pacemakers and implantable cardioverter defibrillators (ICDs) more commonly present to the emergency department. These patients can have complex medical issues related to and independent of their pacemaker/ICD that require careful management by the emergency physician. This article will review the major diagnostic and therapeutic considerations in the emergency care of patients with pacemakers and ICDs.
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Affiliation(s)
- Jason McMullan
- Department of Emergency Medicine, University of Cincinnati College of Medicine, Cincinnati, OH 45267-0769, USA
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25
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Abstract
About 30% of patients with left ventricular systolic dysfunction also have ventricular conduction delays (prolonged QRS duration greater than 0.12 second) most frequently seen as left bundle branch block. This intraventricular conduction delay causes nonsynchronous ventricular activation between the right ventricle and the left ventricle (or dyssychrony), compromising cardiac function. Cardiac resynchronization therapy, or biventricular pacing, is a recent intervention for ventricular dyssychrony that incorporates 3 leads for pacing the right atrium and simultaneous pacing of the right ventricle and left ventricle. Left ventricular lead placement can be difficult to implant because of coronary venous anatomy and can require longer procedure time for the patient. Restoring ventricular synchrony has been shown to decrease septal wall dyskinesis, decrease mitral regurgitation, increase left ventricular filling time, decrease pulmonary capillary wedge pressure, and reverse ventricular modeling.
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Affiliation(s)
- Lauren Saul
- University of Pittsburgh Medical Center, Presbyterian Shadyside-Shadyside Campus, Pittsburgh, PA 15232, USA.
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Bales JG, Colon J, Ramadhyani U, LeDoux E, Bennett JT. Electrocautery-induced asystole in a scoliosis patient with a pacemaker. J Pediatr Orthop B 2007; 16:19-22. [PMID: 17159528 DOI: 10.1097/01.bpb.0000236222.68583.4e] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/10/2023]
Abstract
Pediatric heart condition management may include a variety of implanted cardiac devices. Monopolar electrocautery (Bovie) produces significant electromagnetic interference to these devices. This interference can alter the function of a cardiac generator resulting in a variety of complications including impaired cardiac output and asystole. We report the case of a 16 plus 2-year-old girl who presented with idiopathic scoliosis and a past medical history significant for complete congenital heart block treated with a DDD*** pacemaker. During surgery, the use monopolar electrocautery caused the patient to develop asystole and loss of pulsatile blood pressure. Electrocautery was subsequently terminated, the patient then returned to a normal sinus rhythm and blood pressure normalized.
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Affiliation(s)
- Joshua G Bales
- Tulane University School of Medicine, New Orleans, Louisiana 70112, USA
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27
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Lin JA, Borel CO, Wang WB, Wong CS, Yeh CC, Yang CP, Wu CT. Anesthetic management of an AAI pacemaker patient with paroxysmal atrial fibrillation during colorectal surgery. J Clin Anesth 2006; 18:372-5. [PMID: 16905084 DOI: 10.1016/j.jclinane.2005.12.006] [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] [Received: 11/24/2004] [Accepted: 12/01/2005] [Indexed: 10/24/2022]
Abstract
Perioperative management of patients with cardiac pacemakers may be challenging because of the increasing sophistication of these devices. We report a case of a patient with paroxysmal atrial fibrillation (PAF) and with a permanent AAIR (bipolar atrial-inhibited adaptive rate) pacemaker who suffered life-threatening episodes of arrhythmias during operation. The first episode was vagally induced PAF during bowel manipulation; the second, induced by the increased pacing threshold from the external electric cardioversion and hyperkalemia. Transcutaneous pacing provided cardiac pacing and stabilized the patient during the second episode. Thorough preoperative evaluation and prophylactic placement of temporary pacing or at least transcutaneous pacing are important for the avoidance and minimization of intraoperative complications in patients with sick sinus syndrome and with an AAI (atrial inhibited) pacemaker.
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Affiliation(s)
- Jui-An Lin
- Department of Anesthesiology, Tri-Service General Hospital and National Defense Medical Center, Taipei 11490, Taiwan, and Department of Anesthesiology, Duke University Medical Center, Durham, NC 27710, USA
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Abstract
There are currently more than 3 million patients worldwide with implanted pacemakers, and indications for implants are expanding. Pacemakers today are smaller (23-30 g) and fashioned in a more physiologic shape so as to be less obtrusive. They are replete with sophisticated diagnostic and programming features that make troubleshooting of complicated arrhythmias easier. Advanced nurse clinicians need to have a basic understanding of pacemaker function, indications for implantation, an awareness of potential complications, and facility with basic troubleshooting. The purpose of this article is to describe the features of the pacemakers available today and approaches to troubleshooting these devices.
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Affiliation(s)
- Jennifer Woodruff
- Electrophysiology, University of Virginia Health System, Charlottesville, VA, USA
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29
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Arrhythmia Management. Crit Care 2005. [DOI: 10.1016/b978-0-323-02262-0.50011-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
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30
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Affiliation(s)
- Marc Rozner
- Department of Anesthesiology and Pain Medicine and Department of Cardiology, University of Texas M. D. Anderson Cancer Center, Houston, Texas
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31
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