ISSN: 1899-0967
Polish Journal of Radiology
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vol. 86
Cardiovascular radiology
Original paper

Small hiatal hernia as a risk factor of atrial fibrillation

Jan Głowacki
1, 2
Szymon Florek
Alexander Suchodolski
Jarosław Wasilewski

Department of Radiology and Radiodiagnostics, Silesian Medical University, Zabrze, Poland
Silesian Centre for Heart Diseases, Zabrze, Poland
Student Research Group, Medical University of Silesia in Katowice, School of Medicine with the Division of Dentistry in Zabrze, Zabrze, Poland
3rd Department of Cardiology, Faculty of Medical Sciences in Zabrze, Medical University of Silesia, Katowice, Poland
Pol J Radiol 2021; 86: e1-e3
Online publish date: 2021/01/08
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Hiatal hernia (HH) is considered a risk factor of atrial fibrillation (AF). The aim of this study was to evaluate HH in computed tomography (CT) images in patients awaiting ablation due to atrial fibrillation, and to look for a correlation between HH in patients without AF and with AF.

Material and methods
This study included 441 patients divided in two groups: 207 patients subjected to computed tomography before ablation procedure due to atrial fibrillation and 234 patients as the control group, who underwent CT scans to rule out coronary disease (no AF in history).

Small HH, e.g. under or equal to 2 cm, are associated with a higher risk of AF compared to the control group, which was not observed for bigger HH.

The presence of small HH may be a risk factor of AF.


hiatal hernia, atrial fibrillation, computed tomography

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