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König, CA; Tinhofer, F; Puntus, T; Burger, AL; Neubauer, N; Langenberger, H; Huber, K; Nürnberg, M; Zweiker, D.
Is diversity harmful?-Mixed-brand cardiac implantable electronic devices undergoing magnetic resonance imaging.
Wien Klin Wochenschr. 2022; 134(7-8):286-293 Doi: 10.1007/s00508-021-01924-w [OPEN ACCESS]
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BACKGROUND: Many patients with cardiac implantable electronic devices (CIED) undergo magnetic resonance imaging (MRI); however, a relevant proportion have a CIED system that has not been classified as MRI-conditional because of generators and leads from different brands (mixed-brand group). The available data concerning the outcome of these mixed patients undergoing MRI is limited. METHODS: A retrospective single center study, including all patients with CIEDs undergoing MRI between January 2013 until May 2020, was performed. Primary endpoints were defined as death or any adverse event necessitating hospitalization or CIED revision. Secondary endpoints were the occurrence of any sign for beginning device or lead failure or patient discomfort during MRI. RESULTS: A total of 227 MRI examinations, including 10 thoracic MRIs, were carried out in 158 patients, with 1-9 MRIs per patient. Of the patients 38 underwent 54 procedures in the mixed-brand group and 89 patients underwent 134 MRIs in the MRI-conditional group. Of the patients 31 were excluded since the MRI conditionality could not be determined. No primary endpoints occurred within the mixed-brand group but in 2.2% of the MRI-conditional group (p = 1.000), with 2 patients developing new atrial fibrillation during MRI, of whom one additionally had a transient CIED dysfunction. No secondary endpoints were met in the mixed-brand group compared to 3.4% in the MRI-conditional group (p = 0.554). No complications occurred in the excluded patients. CONCLUSION: The complication rate of CIED patients undergoing MRI was low. Patients with a mixed CIED system showed no signs of increased risk of adverse events compared to patients with MRI-conditional CIED systems.
Find related publications in this database (using NLM MeSH Indexing)
Defibrillators, Implantable - administration & dosage
Electronics - administration & dosage
Humans - administration & dosage
Magnetic Resonance Imaging - adverse effects, methods
Pacemaker, Artificial - administration & dosage
Retrospective Studies - administration & dosage

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Magnetic resonance imaging
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