Prevalence and clinical significance of collateral findings detected by chest computed tomography in patients undergoing atrial fibrillation ablation

Michela Casella, Francesco Perna, Gianluca Pontone, Antonio Dello Russo, Daniele Andreini, Gemma Pelargonio, Stefania Riva, Gaetano Fassini, Mauro Pepi, Giovanni Ballerini, Massimo Moltrasio, Benedetta Majocchi, Stefano Bartoletti, Alberto Formenti, Pasquale Santangeli, Luigi Di Biase, Andrea Natale, Claudio Tondo

Research output: Contribution to journalArticle

Abstract

AimsChest computed tomography (CT) scanning is increasingly used as an imaging technique in patients undergoing atrial fibrillation (AF) catheter ablation. Chest CT scans visualize organs other than the heart and collateral findings may be identified incidentally. Our study aims to assess the prevalence and clinical relevance of such collateral findings in patients undergoing AF ablation.Methods and resultsOne hundred and seventy-three patients (127 males, age 59 ± 10 years) underwent chest CT scan for image integration in AF ablation. Collateral findings from visualized thoracic and upper abdominal organs were collected. Findings that required further investigations or treatment according to current guidelines were considered as clinically significant. A total of 164 collateral findings were identified in 97 (56) patients, and most patients showed abnormalities of the lungs (67 patients, 39). Forty-nine (28) patients had clinically significant findings needing further investigation and 17 (10) of them required specific treatments, including three cases (1.7 ) of lung malignancy.ConclusionsChest CT images acquired for integration in AF ablation should be read thoroughly as they may serve as a screening tool for otherwise unrecognized clinically significant conditions of the heart, lungs, or other visualized organs.

Original languageEnglish
Pages (from-to)209-216
Number of pages8
JournalEuropace
Volume14
Issue number2
DOIs
Publication statusPublished - Feb 2012

Keywords

  • Atrial fibrillation ablation
  • Chest computed tomography
  • Collateral findings
  • Image integration
  • Incidental findings

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine
  • Physiology (medical)

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