Relationship of Paroxysmal Atrial Tachyarrhythmias to Volume Overload Assessment by Implanted Transpulmonary Impedance Monitoring

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Jhanjee R., Templeton G. A., Sattiraju S., Nguyen J., Sakaguchi S., Lu F., ...More

CIRCULATION-ARRHYTHMIA AND ELECTROPHYSIOLOGY, vol.2, no.5, pp.488-494, 2009 (SCI-Expanded) identifier identifier identifier

  • Publication Type: Article / Article
  • Volume: 2 Issue: 5
  • Publication Date: 2009
  • Doi Number: 10.1161/circep.109.860221
  • Journal Name: CIRCULATION-ARRHYTHMIA AND ELECTROPHYSIOLOGY
  • Journal Indexes: Science Citation Index Expanded (SCI-EXPANDED), Scopus
  • Page Numbers: pp.488-494
  • Keywords: bioimpedance, heart failure, atrial tachyarrhythmias, volume overload, CONGESTIVE-HEART-FAILURE, INTRATHORACIC IMPEDANCE, FIBRILLATION, MECHANISMS, RHYTHM, RISK
  • Akdeniz University Affiliated: Yes

Abstract

Background-Clinical experience suggests that atrial tachyarrhythmias (ATs) are a frequent comorbidity in heart failure patients with left ventricular systolic dysfunction and that volume overload may increase AT susceptibility. However, substantiating this apparent relationship in free-living patients is difficult. Recently, certain implantable cardioverterdefibrillators provide, by measuring transpulmonary electric bioimpedance, an index of intrathoracic fluid status (OptiVol index [OI]). The goal of this study was to determine whether periods of greater intrathoracic fluid congestion (as detected by OI) correspond with increased AT event frequency.