Implantable Loop Recorder Allows an Etiologic Diagnosis in One-Third of Patients:– Results of the Spanish Reveal Registry –

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概要

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• Background: The implantable loop recorder (ILR) is a useful tool for diagnosing paroxysmal conditions potentially related to arrhythmias. Most investigations have focused on selected clinical studies or high-volume centers. The aim of this study was to evaluate the indications and outcomes of the ILR in real clinical practice. Methods and Results: This was a prospective, multicenter registry of patients undergoing ILR implantation for clinical indications (April 2006–December 2008). Clinical characteristics (symptoms, arrhythmias, treatments) were recorded in a database. Follow-up data at 1 year or after the occurrence of the first episode were also recorded. Total enrollment: 743 patients (male, 413, 55.6%; 64.9±16 years); 228 (30.7%) had structural heart disease (SHD), and 183 (24.6%), bundle branch block (BBB). Recurrent syncope (76.4%) was the most common indication for implantation. Complete follow-up was obtained for 680 patients (91.5%). Three hundred and twenty-five patients (48%) presented 414 events, with a final diagnosis in 230 patients (70.8% of patients with events; 33.1% of patients with follow-up). Syncope secondary to bradyarrhythmia was the most frequent diagnosis. Similar rates of final diagnoses were noted in subgroups of SHD, BBB and normal heart. Regarding the cause of implantation, higher event rates were registered among patients with recurrent syncope. Conclusions: One-third of patients obtained a final diagnosis with the ILR, independent of the baseline characteristics. Only the cause of implantation provided different rates of final diagnosis.

著者

• Pérez-Villacastín Julian

  Hospital Clínico de Madrid

• Garcia-Heil Natalie

  Scientific and Clinical Department Medtronic Iberica SA

• Lacunza-Ruiz Francisco

  Hospital Universitario Virgen de la Arrixaca

• Moya-Mitjans Angel

  Hospital Universitario Valld´Hebron, Universidad Autónoma de Barcelona

• Martínez-Alday Jesús

  Hospital de Basurto/Clínica Vicente San Sebastian

• Barón-Esquivias Gonzalo

  Hospital Virgen del Rocío

• Ruiz-Granell Ricardo

  Hospital Clínico de Valencia

• Rivas-Gándara Nuria

  Hospital Universitario Valld´Hebron, Universidad Autónoma de Barcelona

• González-Enríquez Susana

  Hospital Marqués de Valdecilla

• Leal-del-Ojo Juan

  Hospital de Valme

• F. Arcocha-Torres

  Hospital de Basurto/Clínica Vicente San Sebastian

• García-Alberola Arcadi

  Hospital Universitario Virgen de la Arrixaca

関連論文

• Implantable Loop Recorder Allows an Etiologic Diagnosis in One-Third of Patients:– Results of the Spanish Reveal Registry –
• Implantable Loop Recorder Allows and Etiologic Diagnosis in One-Third of Patients : Results of the Spanish Reveal Registry

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