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Kewcharoen J, Shah K, Bhardwaj R, Contractor T, Turagam MK, Mandapati R, Lakkireddy D, Garg J. New-generation electronic appliances and cardiac implantable electronic devices: a systematic literature review of mechanisms and in vivo studies. J Interv Card Electrophysiol 2024:10.1007/s10840-024-01777-z. [PMID: 38443707 DOI: 10.1007/s10840-024-01777-z] [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: 12/04/2023] [Accepted: 02/27/2024] [Indexed: 03/07/2024]
Abstract
INTRODUCTION Cardiac implantable electronic device (CIED) functions are susceptible to electromagnetic interference (EMI) from electromagnetic fields (EMF). Data on EMI risks from new-generation electronic appliances (EA) are limited. OBJECTIVE We performed a systematic literature review on the mechanisms of EMI, current evidence, and recently published trials evaluating the effect of EMF on CIEDs from electric vehicles (EV), smartphone, and smartwatch technology and summarize its safety data. METHODS Electronic databases, including PubMed and EMBASE, were searched for in vivo studies evaluating EMF strength and incidence between CIEDs and commercial EVs, new-generation smartphones, and new-generation smartwatches. RESULTS A total of ten studies (three on EVs, five on smartphones, one on smartphones, one on smartphones and smartwatches) were included in our systematic review. There was no report of EMI incidence associated with EVs or smartwatches. Magnet-containing smartphones (iPhone 12) can cause EMI when placed directly over CIEDs - thereby triggering the magnet mode; otherwise, no report of EMI was observed with other positions or smartphone models. CONCLUSION Current evidence suggests CIED recipients are safe from general interaction with EVs/HEVs, smartphones, and smartwatches. Strictly, results may only be applied to commercial brands or models tested in the published studies. There is limited data on EMI risk from EVs wireless charging and smartphones with MagSafe technology.
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Affiliation(s)
- Jakrin Kewcharoen
- Division of Cardiology, Cardiac Arrhythmia Service, Loma Linda University Health, 11234 Anderson St, Loma Linda, CA, 92354, USA
| | - Kuldeep Shah
- Division of Cardiology, Cardiac Arrhythmia Service, MercyOne Siouxland Heart and Vascular Center, Sioux City, IA, USA
| | - Rahul Bhardwaj
- Division of Cardiology, Cardiac Arrhythmia Service, Loma Linda University Health, 11234 Anderson St, Loma Linda, CA, 92354, USA
| | - Tahmeed Contractor
- Division of Cardiology, Cardiac Arrhythmia Service, Loma Linda University Health, 11234 Anderson St, Loma Linda, CA, 92354, USA
| | - Mohit K Turagam
- Helmsley Electrophysiology Center, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Ravi Mandapati
- Division of Cardiology, Cardiac Arrhythmia Service, Loma Linda University Health, 11234 Anderson St, Loma Linda, CA, 92354, USA
| | | | - Jalaj Garg
- Division of Cardiology, Cardiac Arrhythmia Service, Loma Linda University Health, 11234 Anderson St, Loma Linda, CA, 92354, USA.
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Ha GB, Steinberg BA, Freedman R, Bayés-Genís A, Sanchez B. Safety evaluation of smart scales, smart watches, and smart rings with bioimpedance technology shows evidence of potential interference in cardiac implantable electronic devices. Heart Rhythm 2023; 20:561-571. [PMID: 36997272 DOI: 10.1016/j.hrthm.2022.11.026] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/17/2022] [Revised: 11/21/2022] [Accepted: 11/27/2022] [Indexed: 02/24/2023]
Abstract
BACKGROUND Smart scales, smart watches, and smart rings with bioimpedance technology may create interference in patients with cardiac implantable electronic devices (CIEDs). OBJECTIVES The purpose of this study was to determine interference at CIEDs with simulations and benchtop testing, and to compare the results with maximum values defined in the ISO 14117 electromagnetic interference standard for these devices. METHODS The interference at pacing electrodes was determined by simulations on a male and a female computable model. A benchtop evaluation of representative CIEDs from 3 different manufacturers as specified in the ISO 14117 standard also was performed. RESULTS Simulations showed evidence of interference with voltage values exceeding threshold values defined in the ISO 14117 standard. The level of interference varied with the frequency and amplitude of the bioimpedance signal, and between male and female models. The level of interference generated with smart scale and smart rings simulations was lower than with smart watches. Across device manufacturers, generators demonstrated susceptibility to oversensing and pacing inhibition at different signal amplitudes and frequencies. CONCLUSIONS This study evaluated the safety of smart scales, smart watches, and smart rings with bioimpedance technology via simulation and testing. Our results indicate that these consumer electronic devices could interfere in patients with CIEDs. The present findings do not recommend the use of these devices in this population due to potential interference.
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Affiliation(s)
- Gia-Bao Ha
- Department of Electrical and Computer Engineering, University of Utah, Salt Lake City, Utah
| | - Benjamin A Steinberg
- Department of Medicine, University of Utah Health Sciences Center, Salt Lake City, Utah
| | - Roger Freedman
- Department of Medicine, University of Utah Health Sciences Center, Salt Lake City, Utah
| | - Antoni Bayés-Genís
- Department of Cardiology, Heart Institute, Hospital Universitari Germans Trias i Pujol, Badalona, Spain; Centro de Investigación Biomédica en Red Enfermedades Cardiovasculares (CIBERCV), Madrid, Spain; Autonomous University of Barcelona, Barcelona, Spain
| | - Benjamin Sanchez
- Department of Electrical and Computer Engineering, University of Utah, Salt Lake City, Utah.
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Poorsattar SP, Kumar N, Jelly CA, Bodmer NJ, Tang JE, Lefevre R, Essandoh MK, Dalia A, Vanneman MW, Bardia A. The Year in Electrophysiology: Selected Highlights From 2022. J Cardiothorac Vasc Anesth 2023:S1053-0770(23)00194-5. [PMID: 37080842 DOI: 10.1053/j.jvca.2023.03.025] [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: 03/15/2023] [Accepted: 03/17/2023] [Indexed: 04/22/2023]
Abstract
This special article is the fifth in an annual series for the Journal of Cardiothoracic and Vascular Anesthesia. The authors would like to thank the Editor-in-Chief, Dr Kaplan, the Associate Editor-in-Chief, Dr Augoustides, and the editorial board for the opportunity to author this series, which summarizes the key research papers in the electrophysiology (EP) field relevant to cardiothoracic and vascular anesthesiologists. These articles are shaping perioperative EP procedures and practices, such as pulsed-field ablation, cryoablation for first-line treatment for atrial fibrillation, advancements in conduction system pacing, safety issues related to smartphones and cardiac implantable electronic devices, and alterations in EP workflow as the world emerges from the COVID-19 pandemic. Special emphasis is placed on the implications of these advancements for the anesthetic care of patients undergoing EP procedures.
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Affiliation(s)
- Sophia P Poorsattar
- Department of Anesthesiology and Perioperative Medicine, University of California Los Angeles David Geffen School of Medicine, Los Angeles, CA
| | - Nicolas Kumar
- Department of Anesthesiology, Pain Medicine, and Critical Care Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA
| | - Christina A Jelly
- Department of Anesthesiology,Vanderbilt University Medical Center, Nashville, TN
| | - Natalie J Bodmer
- Department of Anesthesiology, Perioperative and Pain Medicine, Stanford University School of Medicine, Stanford, CA
| | - Jonathan E Tang
- Division of Cardiothoracic and Vascular Anesthesia, Department of Anesthesiology, Ohio State University Wexner Medical Center, Columbus, OH
| | - Ryan Lefevre
- Department of Anesthesiology,Vanderbilt University Medical Center, Nashville, TN
| | - Michael K Essandoh
- Department of Anesthesiology, Ohio State University Wexner Medical Center, Columbus, OH
| | - Adam Dalia
- Division of Cardiac Anesthesiology, Department of Critical Care, Anesthesia, and Pain Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA
| | - Matthew W Vanneman
- Department of Anesthesiology, Perioperative and Pain Medicine, Stanford University School of Medicine, Stanford, CA
| | - Amit Bardia
- Division of Cardiac Anesthesiology, Department of Critical Care, Anesthesia, and Pain Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA.
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Filipetto F, Walden J, Trbovich M. Interaction between a smartphone and intrathecal baclofen pump case report. Spinal Cord Ser Cases 2023; 9:5. [PMID: 36879011 PMCID: PMC9988822 DOI: 10.1038/s41394-023-00563-9] [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: 11/18/2022] [Revised: 02/13/2023] [Accepted: 02/23/2023] [Indexed: 03/08/2023] Open
Abstract
INTRODUCTION Intrathecal Baclofen (ITB) is used for the treatment of spasticity. Pump complications are most commonly related to surgical implantation or catheter dysfunction. Less common complications include catheter access port dysfunction, motor failure from excessive wear on motor gear shafts, or a complete stall of the motor. CASE PRESENTATION 37-year-old with T9 motor complete paraplegia with ITB presented in baclofen withdrawal. Workup revealed that the pump's motor was not turning, requiring pump replacement. Questioning revealed that he had not undergone any MRI studies within the past six months, but that he recently purchased a new iPhone. The phone was 2-3 inches away from the pump for up to twelve hours a day, carried in a fanny pack around his waist. DISCUSSION We present a case of motor pump failure from long term exposure to a magnetic field from a new iPhone. The ability of iPhones to overpower an ITB pump magnet is not widely known. In 2021, the Food and Drug Administration published a report regarding the effects of magnets in consumer electronics on implanted medical devices, recommending that such electronics should be kept at least 6 inches from the device. Providers should be aware of the ability of new models of commonly used electronic devices to stall the ITB motor to avoid life-threatening complications of baclofen withdrawal.
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Affiliation(s)
- Francesca Filipetto
- Department of Rehabilitation Medicine, University of Texas Health Science Center at San Antonio, San Antonio, TX, USA
| | - Judith Walden
- Audie L. Murphy Veteran's Administration Hospital, San Antonio, TX, USA
| | - Michelle Trbovich
- Department of Rehabilitation Medicine, University of Texas Health Science Center at San Antonio, San Antonio, TX, USA.
- Audie L. Murphy Veteran's Administration Hospital, San Antonio, TX, USA.
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Saha N, Millward JM, Herrmann CJJ, Rahimi F, Han H, Lacour P, Blaschke F, Niendorf T. High-Fidelity 3D Stray Magnetic Field Mapping of Smartphones to Address Safety Considerations with Active Implantable Electronic Medical Devices. SENSORS (BASEL, SWITZERLAND) 2023; 23:1209. [PMID: 36772249 PMCID: PMC9919430 DOI: 10.3390/s23031209] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/16/2022] [Revised: 01/07/2023] [Accepted: 01/17/2023] [Indexed: 06/18/2023]
Abstract
Case reports indicate that magnets in smartphones could be a source of electromagnetic interference (EMI) for active implantable medical devices (AIMD), which could lead to device malfunction, compromising patient safety. Recognizing this challenge, we implemented a high-fidelity 3D magnetic field mapping (spatial resolution 1 mm) setup using a three-axis Hall probe and teslameter, controlled by a robot (COSI Measure). With this setup, we examined the stray magnetic field of an iPhone 13 Pro, iPhone 12, and MagSafe charger to identify sources of magnetic fields for the accurate risk assessment of potential interferences with AIMDs. Our measurements revealed that the stray fields of the annular array of magnets, the wide-angle camera, and the speaker of the smartphones exceeded the 1 mT limit defined by ISO 14117:2019. Our data-driven safety recommendation is that an iPhone 13 Pro should be kept at least 25 mm away from an AIMD to protect it from unwanted EMI interactions. Our study addresses safety concerns due to potential device-device interactions between smartphones and AIMDs and will help to define data-driven safety guidelines. We encourage vendors of electronic consumer products (ECP) to provide information on the magnetic fields of their products and advocate for the inclusion of smartphones in the risk assessment of EMI with AIMDs.
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Affiliation(s)
- Nandita Saha
- Max-Delbrück-Center for Molecular Medicine in the Helmholtz Association (MDC), Berlin Ultrahigh Field Facility (B.U.F.F.), 13125 Berlin, Germany
- Experimental and Clinical Research Center (ECRC), A Joint Cooperation between the Charité Medical Faculty and the Max-Delbrück Center for Molecular Medicine in the Helmholtz Association, 13125 Berlin, Germany
| | - Jason M. Millward
- Max-Delbrück-Center for Molecular Medicine in the Helmholtz Association (MDC), Berlin Ultrahigh Field Facility (B.U.F.F.), 13125 Berlin, Germany
- Experimental and Clinical Research Center (ECRC), A Joint Cooperation between the Charité Medical Faculty and the Max-Delbrück Center for Molecular Medicine in the Helmholtz Association, 13125 Berlin, Germany
| | - Carl J. J. Herrmann
- Max-Delbrück-Center for Molecular Medicine in the Helmholtz Association (MDC), Berlin Ultrahigh Field Facility (B.U.F.F.), 13125 Berlin, Germany
- Department of Physics, Humboldt University of Berlin, 10117 Berlin, Germany
| | - Faezeh Rahimi
- Max-Delbrück-Center for Molecular Medicine in the Helmholtz Association (MDC), Berlin Ultrahigh Field Facility (B.U.F.F.), 13125 Berlin, Germany
- Chair of Medical Engineering, Technische Universität Berlin, 10623 Berlin, Germany
| | - Haopeng Han
- Max-Delbrück-Center for Molecular Medicine in the Helmholtz Association (MDC), Berlin Ultrahigh Field Facility (B.U.F.F.), 13125 Berlin, Germany
| | - Philipp Lacour
- Department of Cardiology, Charité—Universitätsmedizin Berlin, Campus Virchow-Klinikum, 13353 Berlin, Germany
| | - Florian Blaschke
- Department of Cardiology, Charité—Universitätsmedizin Berlin, Campus Virchow-Klinikum, 13353 Berlin, Germany
| | - Thoralf Niendorf
- Max-Delbrück-Center for Molecular Medicine in the Helmholtz Association (MDC), Berlin Ultrahigh Field Facility (B.U.F.F.), 13125 Berlin, Germany
- Experimental and Clinical Research Center (ECRC), A Joint Cooperation between the Charité Medical Faculty and the Max-Delbrück Center for Molecular Medicine in the Helmholtz Association, 13125 Berlin, Germany
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Magnetic field interactions of smartwatches and portable electronic devices with CIEDs – Did we open a Pandora’s box? IJC HEART & VASCULATURE 2022; 43:101122. [PMID: 36111261 PMCID: PMC9467892 DOI: 10.1016/j.ijcha.2022.101122] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2022] [Accepted: 09/03/2022] [Indexed: 12/02/2022]
Abstract
Introduction Magnetic interaction of portable electronic devices (PEDs), such as state-of-the art mobile phones, with cardiovascular implantable electronic devices (CIEDs) has been reported. The aim of the study was to quantify the magnetic fields of latest generation smartwatches and other PEDs and to evaluate and predict their risk of CIED interactions. Methods High resolution magnetic field characterization of five smartwatches (Apple Watch 6/7, Fitbit Sense, Samsung Galaxy 3, Withings Scanwatch) was performed using a novel magnetic field camera. Ex vivo measurements of the minimal safety distance (MSD) at which no mode switch can be observed were performed between 11 PEDs and six representative CIEDs. Results Maximal 1 mT distances ranged between 10 mm (Withings) and 19 mm (Fitbit and AppleWatch), and 1 mT volumes between 6 cm3 (Withings) and 19 cm3 (Fitbit). All these measures were observed only for the back side of the smartwatches. While most smartwatches with measured 1 mT distance < 15 mm posed low ex vivo interaction within a distance of < 10 mm, PEDs such as electronic pens and in-ear-headphones with measured 1 mT distance > 15 mm showed device interaction up to > 15 mm. Linear regression analysis showed a linear relationship of the MSD with 1 mT distance (B coefficient: 0.46; 95 %-CI: 0.25–0.67, p < 0.001). Conclusion Smartwatches are safer compared to other PEDs such as electronic pens or in-ear headphones with regards to CIED interaction. With a standardized magnetic field camera, the risk assessment of CIED interaction of novel PEDs is feasible.
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Xu R, Cañón Bermúdez GS, Pylypovskyi OV, Volkov OM, Oliveros Mata ES, Zabila Y, Illing R, Makushko P, Milkin P, Ionov L, Fassbender J, Makarov D. Self-healable printed magnetic field sensors using alternating magnetic fields. Nat Commun 2022; 13:6587. [PMID: 36329023 PMCID: PMC9631606 DOI: 10.1038/s41467-022-34235-3] [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: 03/15/2022] [Accepted: 10/13/2022] [Indexed: 11/05/2022] Open
Abstract
We employ alternating magnetic fields (AMF) to drive magnetic fillers actively and guide the formation and self-healing of percolation networks. Relying on AMF, we fabricate printable magnetoresistive sensors revealing an enhancement in sensitivity and figure of merit of more than one and two orders of magnitude relative to previous reports. These sensors display low noise, high resolution, and are readily processable using various printing techniques that can be applied to different substrates. The AMF-mediated self-healing has six characteristics: 100% performance recovery; repeatable healing over multiple cycles; room-temperature operation; healing in seconds; no need for manual reassembly; humidity insensitivity. It is found that the above advantages arise from the AMF-induced attraction of magnetic microparticles and the determinative oscillation that work synergistically to improve the quantity and quality of filler contacts. By virtue of these advantages, the AMF-mediated sensors are used in safety application, medical therapy, and human-machine interfaces for augmented reality.
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Affiliation(s)
- Rui Xu
- grid.40602.300000 0001 2158 0612Helmholtz-Zentrum Dresden-Rossendorf e.V., Institute of Ion Beam Physics and Materials Research, Bautzner Landstrasse 400, 01328 Dresden, Germany
| | - Gilbert Santiago Cañón Bermúdez
- grid.40602.300000 0001 2158 0612Helmholtz-Zentrum Dresden-Rossendorf e.V., Institute of Ion Beam Physics and Materials Research, Bautzner Landstrasse 400, 01328 Dresden, Germany
| | - Oleksandr V. Pylypovskyi
- grid.40602.300000 0001 2158 0612Helmholtz-Zentrum Dresden-Rossendorf e.V., Institute of Ion Beam Physics and Materials Research, Bautzner Landstrasse 400, 01328 Dresden, Germany ,grid.510453.6Kyiv Academic University, Kyiv, 03142 Ukraine
| | - Oleksii M. Volkov
- grid.40602.300000 0001 2158 0612Helmholtz-Zentrum Dresden-Rossendorf e.V., Institute of Ion Beam Physics and Materials Research, Bautzner Landstrasse 400, 01328 Dresden, Germany
| | - Eduardo Sergio Oliveros Mata
- grid.40602.300000 0001 2158 0612Helmholtz-Zentrum Dresden-Rossendorf e.V., Institute of Ion Beam Physics and Materials Research, Bautzner Landstrasse 400, 01328 Dresden, Germany
| | - Yevhen Zabila
- grid.40602.300000 0001 2158 0612Helmholtz-Zentrum Dresden-Rossendorf e.V., Institute of Ion Beam Physics and Materials Research, Bautzner Landstrasse 400, 01328 Dresden, Germany
| | - Rico Illing
- grid.40602.300000 0001 2158 0612Helmholtz-Zentrum Dresden-Rossendorf e.V., Institute of Ion Beam Physics and Materials Research, Bautzner Landstrasse 400, 01328 Dresden, Germany
| | - Pavlo Makushko
- grid.40602.300000 0001 2158 0612Helmholtz-Zentrum Dresden-Rossendorf e.V., Institute of Ion Beam Physics and Materials Research, Bautzner Landstrasse 400, 01328 Dresden, Germany
| | - Pavel Milkin
- grid.7384.80000 0004 0467 6972Bavarian Polymer Institute, University of Bayreuth, Ludwig Thoma Str 36a, 95447 Bayreuth, Germany
| | - Leonid Ionov
- grid.7384.80000 0004 0467 6972Bavarian Polymer Institute, University of Bayreuth, Ludwig Thoma Str 36a, 95447 Bayreuth, Germany
| | - Jürgen Fassbender
- grid.40602.300000 0001 2158 0612Helmholtz-Zentrum Dresden-Rossendorf e.V., Institute of Ion Beam Physics and Materials Research, Bautzner Landstrasse 400, 01328 Dresden, Germany
| | - Denys Makarov
- grid.40602.300000 0001 2158 0612Helmholtz-Zentrum Dresden-Rossendorf e.V., Institute of Ion Beam Physics and Materials Research, Bautzner Landstrasse 400, 01328 Dresden, Germany
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Makinistian L, Zastko L, Tvarožná A, Días LE, Belyaev I. Static magnetic fields from earphones: Detailed measurements plus some open questions. ENVIRONMENTAL RESEARCH 2022; 214:113907. [PMID: 35870506 DOI: 10.1016/j.envres.2022.113907] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/06/2022] [Revised: 06/09/2022] [Accepted: 07/11/2022] [Indexed: 06/15/2023]
Abstract
Earphones (EP) are a worldwide, massively adopted product, assumed to be innocuous provided the recommendations on sound doses limits are followed. Nevertheless, sound is not the only physical stimulus that derives from EP use, since they include a built-in permanent magnet from which a static magnetic field (SMF) originates. We performed 2D maps of the SMF at several distances from 6 models of in-ear EP, showing that they produce an exposure that spans from ca. 20 mT on their surface down to tens of μT in the inner ear. The numerous reports of bioeffects elicited by SMF in that range of intensities (applied both acutely and chronically), together with the fact that there is no scientific consensus over the possible mechanisms of interaction with living tissues, suggest that caution could be recommendable. In addition, more research is warranted on the possible effects of the combination of SMF with extremely low frequency and radiofrequency fields, which has so far been scarcely studied. Overall, while several open questions about bioeffects of SMF remain to be addressed by the scientific community, we find sensible to suggest that the use of air-tube earphones is probably the more conservative, cautious choice.
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Affiliation(s)
- L Makinistian
- Department of Physics, Universidad Nacional de San Luis (UNSL), San Luis, Argentina; Instituto de Física Aplicada (INFAP), Universidad Nacional de San Luis (UNSL)-CONICET, San Luis, Argentina.
| | - L Zastko
- Department of Radiobiology, Cancer Research Institute, Biomedical Research Center, University Science Park for Biomedicine, Slovak Academy of Sciences, Bratislava, Slovakia; Department of Laboratory Medicine, Faculty of Health Care, Catholic University in Ružomberok, Ružomberok, Slovakia
| | - A Tvarožná
- Department of Radiobiology, Cancer Research Institute, Biomedical Research Center, University Science Park for Biomedicine, Slovak Academy of Sciences, Bratislava, Slovakia
| | - L E Días
- Department of Physics, Universidad Nacional de San Luis (UNSL), San Luis, Argentina
| | - I Belyaev
- Department of Radiobiology, Cancer Research Institute, Biomedical Research Center, University Science Park for Biomedicine, Slovak Academy of Sciences, Bratislava, Slovakia
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Yan B. Actuators for Implantable Devices: A Broad View. MICROMACHINES 2022; 13:1756. [PMID: 36296109 PMCID: PMC9610948 DOI: 10.3390/mi13101756] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/11/2022] [Revised: 09/12/2022] [Accepted: 10/06/2022] [Indexed: 06/16/2023]
Abstract
The choice of actuators dictates how an implantable biomedical device moves. Specifically, the concept of implantable robots consists of the three pillars: actuators, sensors, and powering. Robotic devices that require active motion are driven by a biocompatible actuator. Depending on the actuating mechanism, different types of actuators vary remarkably in strain/stress output, frequency, power consumption, and durability. Most reviews to date focus on specific type of actuating mechanism (electric, photonic, electrothermal, etc.) for biomedical applications. With a rapidly expanding library of novel actuators, however, the granular boundaries between subcategories turns the selection of actuators a laborious task, which can be particularly time-consuming to those unfamiliar with actuation. To offer a broad view, this study (1) showcases the recent advances in various types of actuating technologies that can be potentially implemented in vivo, (2) outlines technical advantages and the limitations of each type, and (3) provides use-specific suggestions on actuator choice for applications such as drug delivery, cardiovascular, and endoscopy implants.
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Affiliation(s)
- Bingxi Yan
- Department of Electrical and Computer Engineering, Ohio State University, Columbus, OH 43210, USA
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10
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Magnetic interactions between CIEDs and consumer devices: a little distance goes a long way. J Interv Card Electrophysiol 2022; 65:261-262. [PMID: 35705733 DOI: 10.1007/s10840-022-01280-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/10/2022] [Accepted: 06/14/2022] [Indexed: 10/18/2022]
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Féry C, Desombre A, Quirin T, Badertscher P, Sticherling C, Knecht S, Pascal J. Magnetic Field Measurements of Portable Electronic Devices: The Risk Inside Pockets for Patients With Cardiovascular Implantable Devices. Circ Arrhythm Electrophysiol 2022; 15:e010646. [PMID: 35227069 DOI: 10.1161/circep.121.010646] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Affiliation(s)
- Corentin Féry
- Institute for Medical Engineering and Medical Informatics, School of Life Sciences, University of Applied Sciences and Arts Northwestern Switzerland, Muttenz, Switzerland (C.F., A.D., T.Q., J.P.)
| | - Adrien Desombre
- Institute for Medical Engineering and Medical Informatics, School of Life Sciences, University of Applied Sciences and Arts Northwestern Switzerland, Muttenz, Switzerland (C.F., A.D., T.Q., J.P.)
| | - Thomas Quirin
- Institute for Medical Engineering and Medical Informatics, School of Life Sciences, University of Applied Sciences and Arts Northwestern Switzerland, Muttenz, Switzerland (C.F., A.D., T.Q., J.P.).,Icube Laboratory, University of Strasbourg - CNRS, France (T.Q.)
| | - Patrick Badertscher
- Cardiovascular Research Institute Basel, University Hospital Basel, University of Basel, Switzerland (P.B., C.S., S.K.)
| | - Christian Sticherling
- Cardiovascular Research Institute Basel, University Hospital Basel, University of Basel, Switzerland (P.B., C.S., S.K.)
| | - Sven Knecht
- Cardiovascular Research Institute Basel, University Hospital Basel, University of Basel, Switzerland (P.B., C.S., S.K.)
| | - Joris Pascal
- Institute for Medical Engineering and Medical Informatics, School of Life Sciences, University of Applied Sciences and Arts Northwestern Switzerland, Muttenz, Switzerland (C.F., A.D., T.Q., J.P.)
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Nadeem F, Tran CT, Torbey E, Philbin D, Morales C, Wu M. Interference by Modern Smartphones and Accessories with Cardiac Pacemakers and Defibrillators. Curr Cardiol Rep 2022; 24:347-353. [PMID: 35084671 PMCID: PMC8979866 DOI: 10.1007/s11886-022-01653-0] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 12/15/2021] [Indexed: 11/25/2022]
Abstract
Purpose of Review The risk of cardiac implantable electronic device (CIED) interference from cell phones was previously thought to be low based on older studies. Current generation of smartphones have incorporated more magnets for optimization of wireless charging, attachment of accessories, and convenience functionalities. These magnets have the potential to cause CIEDs to inadvertently revert into magnet mode. The purpose of this review is to summarize recent findings on smartphones and their accessories causing interference on CIEDs. Recent Findings Recent reports have demonstrated that the iPhone 12 series and accessories have the capability to cause CIED magnetic interference. Summary Current generation of smartphones, smartwatches, wireless headphones, and accessories have the potential to cause CIEDs to revert into magnet mode in both in vivo and ex vivo experiments. The risk of a clinically significant event is unlikely as long as the Food and Drug Administration (FDA) recommendations are followed; keeping smartphones and accessories at least six inches away from CIEDs.
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Affiliation(s)
- Fahd Nadeem
- Division of Cardiology, Department of Medicine, Lifespan Cardiovascular Institute and Brown University, Providence, RI, USA
| | - Cao Thach Tran
- Division of Cardiology, Department of Medicine, Lifespan Cardiovascular Institute and Brown University, Providence, RI, USA
| | - Estelle Torbey
- Division of Cardiology, Department of Medicine, Lifespan Cardiovascular Institute and Brown University, Providence, RI, USA
| | - Daniel Philbin
- Division of Cardiology, Department of Medicine, Lifespan Cardiovascular Institute and Brown University, Providence, RI, USA
| | - Carlos Morales
- Division of Cardiology, Department of Medicine, Lifespan Cardiovascular Institute and Brown University, Providence, RI, USA
| | - Michael Wu
- Division of Cardiology, Department of Medicine, Lifespan Cardiovascular Institute and Brown University, Providence, RI, USA.
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Smartphones stören Herzschrittmacher. Dtsch Med Wochenschr 2021. [DOI: 10.1055/a-1538-3772] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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