Relationship Between Clinical Parameters and Histological Features of Epicardial Adipose Tissue and Aortic Valve Calcification Assessed on Computed Tomography

被引:0
|
作者
Kitagawa, Toshiro [1 ]
Sentani, Kazuhiro [2 ]
Ikegami, Yuki [1 ]
Takasaki, Taiichi [3 ]
Takahashi, Shinya [3 ]
Nakano, Yukiko [1 ]
机构
[1] Hiroshima Univ, Grad Sch Biomed & Hlth Sci, Dept Cardiovasc Med, 1-2-3 Kasumi,Minami Ku, Hiroshima 7348551, Japan
[2] Hiroshima Univ, Inst Biomed & Hlth Sci, Dept Mol Pathol, Hiroshima, Japan
[3] Hiroshima Univ Hosp, Dept Cardiovasc Surg, Hiroshima, Japan
基金
日本学术振兴会;
关键词
Aortic valve calcification; Computed tomography; Epicardial adipose tissue; Histology; CORONARY ATHEROSCLEROSIS; GENE-EXPRESSION; INFLAMMATION; ASSOCIATION; PROGRESSION; STENOSIS; DISEASE; VOLUME; FAT;
D O I
10.1253/circj.CJ-24-0226
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
Background: The relationships of the clinical and biological attributes of epicardial adipose tissue (EAT) with aortic valve calcification (AVC) have not been characterized. We evaluated the relationships of the clinical and histological features of EAT with AVC assessed using computed tomography (CT). Methods and Results: We enrolled 43 patients undergoing cardiac CT examination prior to elective cardiac surgery in whom AVC was identified on CT. EAT volume and density, coronary calcium score (CCS), AVC score (AVCS), and coronary atherosclerosis on CT angiography were evaluated in each patient. During cardiac surgery, 2 EAT samples were obtained for immunohistochemistry. The number of CD68- and CD11c-positive macrophages and osteocalcin-positive cells was counted in 6 random high-power fields of EAT sections. EAT density, but not EAT volume normalized to body surface area, was positively correlated with the number of macrophages and osteocalcin-positive cells in EAT. There was a positive correlation between ln(AVCS), but not ln(CCS+1), and the number of macrophages and osteocalcin-positive cells in EAT. Multivariate analysis revealed significant positive correlations for ln(AVCS) with EAT density ((3=0.42; P=0.0072) and the number of CD68-positive macrophages ((3=0.57; P=0.0022), CD11c-positive macrophages ((3=0.62; P=0.0003), and osteocalcin-positive cells ((3=0.52; P=0.0021) in EAT. Conclusions: Inflammation and osteogenesis in EAT, reflected by high CT density, are associated with the severity of AVC representing aortic valve degeneration.
引用
收藏
页码:1986 / 1995
页数:10
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