ISSN 1671-5411 CN 11-5329/R
Christopher D Rolfes, Stephen A Howard, Ryan P Goff, Paul A Iaizzo. Cardiac remodeling as a consequence of atrial fibrillation: An anatomical study of perfusion-fixed human heart specimens. J Geriatr Cardiol 2011; 8(3): 141-146. doi: 10.3724/SP.J.1263.2011.00141
Citation: Christopher D Rolfes, Stephen A Howard, Ryan P Goff, Paul A Iaizzo. Cardiac remodeling as a consequence of atrial fibrillation: An anatomical study of perfusion-fixed human heart specimens. J Geriatr Cardiol 2011; 8(3): 141-146. doi: 10.3724/SP.J.1263.2011.00141

Cardiac remodeling as a consequence of atrial fibrillation: An anatomical study of perfusion-fixed human heart specimens

doi: 10.3724/SP.J.1263.2011.00141
  • Received Date: 2011-07-25
  • Background Atrial fibrillation (AF) causes a continuum of atrial anatomical remodeling. Methods Using a library of perfusion-fixed human hearts, specimens with AF were compared to controls. During this preliminary assessment study, direct measurements were taken of atrial volume, pulmonary vein (PV) circumference, and left atrial (LA) wall thicknesses. Results Hearts with AF typically had larger atrial volumes, as well as a much larger variation in volume compared to controls (range of 59.6–227.1 mL in AF hearts compared to 65.1–115.9 mL in controls). For all hearts, right PVs were larger than left PVs (mean: 171.4 ± 84.6 mm2 for right and 118.2 ± 50.1 mm2 for left, P Conclusions Hearts with AF had a large range of sizes which is consistent with the progression of atrial remodeling during AF. The large range of thicknesses will influence the amount of energy needed to create transmural lesions during ablation procedures.
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