Figure 2 | Scientific Reports

Figure 2

From: Association between interatrial septum adiposity and atrial fibrillation: transesophageal echocardiography imaging and autopsy study

Figure 2

Infiltration of adipose tissue into atrial myocardium in interatrial septum myocardium. (A) Representative (left panel) and magnified (right panel) images of human autopsied hearts. LA, left atrium; RA, right atrium; LV, left ventricle; RV, right ventricle. Scale bar: 5 cm. (B) Representative (upper panel) and magnified (lower panel) images of interatrial septum (IAS) section. Scale bar: 1 mm (upper), 100 µm (lower). (C) Quantitative analysis of histologically-assessed IAS thickness in IAS section. Data are presented as the means ± SD. **p < 0.01, by Student’s t-test. n = 5 for Non AF, n = 5 for AF. (D) Quantitative analysis of interatrial septum adipose tissue (IAS-AT) percentage in section. Data are presented as the means ± SD. *p < 0.05, by Student’s t-test. n = 5 for Non AF, n = 5 for AF. (E) Correlation between IAS thickness and IAS-AT percentage, by bivariate analysis. n = 10 for the group.

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