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Importance of Monitoring Zones in the Detection of Arrhythmias in Patients with Implantable Cardioverter-Defibrillators Under Remote Monitoring

dc.contributor.authorAguiar Rosa, S
dc.contributor.authorSilva Cunha, P
dc.contributor.authorLousinha, A
dc.contributor.authorValente, B
dc.contributor.authorDelgado, AS
dc.contributor.authorPimenta, R
dc.contributor.authorBrás, M
dc.contributor.authorCoutinho Cruz, M
dc.contributor.authorPortugal, G
dc.contributor.authorViveiros Monteiro, A
dc.contributor.authorOliveira, MM
dc.contributor.authorCruz Ferreira, R
dc.date.accessioned2019-03-08T16:43:40Z
dc.date.available2019-03-08T16:43:40Z
dc.date.issued2019-01
dc.description.abstractINTRODUCTION: Implantable cardioverter-defibrillator (ICD) monitoring zones (MZ) provide passive features that do not interfere with the functioning of active treatment zones. However, it is not known for certain whether programming an MZ affects arrhythmia detection by the ICD. The aim of the present study is to assess the clinical relevance of MZ in a population of patients with ICDs. METHODS: In this retrospective analysis of patients with ICDs, with or without cardiac resynchronization therapy, for primary prevention under remote monitoring, the MZ was analyzed and recorded arrhythmias were assessed in detail. RESULTS: A total of 221 patients were studied (77% men; age 64±12 years). Mean ejection fraction was 30±12%. The mean follow-up was 63±35 months. One hundred and seventy-four MZ events were documented in 139 patients (62.9%): 74 of non-sustained ventricular tachycardia (NSVT), 42 of supraventricular tachycardia, 44 of atrial fibrillation/atrial flutter, and five cases of noise. Among the 137 patients who presented with arrhythmias in the MZ (excluding two cases with noise detection only), 22 (16.1%) received appropriate shocks and/or antitachycardia pacing (ATP), while of the other 84 patients, 15.5% received appropriate ICD treatment (p=NS). In patients who presented with NSVT in the MZ, 15 (20.5%) received appropriate shocks and/or ATP. In accordance with the MZ findings, physicians decided to change outpatient medication in 41.7% of all patients in whom arrhythmic events were reported. CONCLUSION: Ventricular and supraventricular arrhythmias are common findings in the MZ of ICD patients. Programming an MZ is valuable in the diagnosis of arrhythmias and may be a useful tool in clinical practice.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationRev Port Cardiol. 2019 Jan;38(1):11-16.pt_PT
dc.identifier.doi10.1016/j.repc.2018.05.015pt_PT
dc.identifier.urihttp://hdl.handle.net/10400.17/3174
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherElsevier Españapt_PT
dc.subjectHSM CARpt_PT
dc.subjectArrhythmias, Cardiac/diagnosispt_PT
dc.subjectArrhythmias, Cardiac/physiopathologypt_PT
dc.subjectArrhythmias, Cardiac/therapypt_PT
dc.subjectDeath, Sudden, Cardiac/prevention & controlpt_PT
dc.subjectDefibrillators, Implantablept_PT
dc.subjectFollow-Up Studies
dc.subjectMonitoring, Physiologic/methods
dc.subjectPrimary Prevention/methods
dc.subjectReproducibility of Results
dc.subjectRetrospective Studies
dc.subjectTelemedicine/methods
dc.subjectTime Factors
dc.titleImportance of Monitoring Zones in the Detection of Arrhythmias in Patients with Implantable Cardioverter-Defibrillators Under Remote Monitoringpt_PT
dc.title.alternativeImportância da Zona de Monitorização na Deteção de Arritmias em Portadores de Cardioversor Desfibrilhador Implantável em Programa de Monitorização Remotapt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage16pt_PT
oaire.citation.issue1pt_PT
oaire.citation.startPage11pt_PT
oaire.citation.titleRevista Portuguesa de Cardiologiapt_PT
oaire.citation.volume38pt_PT
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT

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