Cardiorespiratory Fitness in Adults Aged 18 to 34 Years and Long-Term Pericardial Adipose Tissue (from the Coronary Artery Risk Development in Young Adults Study).

Cardiorespiratory Fitness in Adults Aged 18 to 34 Years and Long-Term Pericardial Adipose Tissue (from the Coronary Artery Risk Development in Young Adults Study).
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DOI:
10.1016/j.amjcard.2022.02.031
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发表时间:
2022-06-01
影响因子:
2.8
通讯作者:
Whitaker, Kara M.
Whitaker, Kara M.
中科院分区:
医学3区
文献类型:
--
作者:
Oh, Minsuk;Gabriel, Kelley Pettee;David, R. Jacobs, Jr.;Bao, Wei;Pierce, Gary L.;Carr, Lucas J.;Terry, James G.;Ding, Jingzhong;Carr, John Jeffrey;Whitaker, Kara M.

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心包脂肪组织(PAT)是冠状动脉周围的异位脂肪库,是心脏代谢疾病的致病危险标志物;然而,心肺适能(CRF)和PAT之间的关系尚不清楚。来自CARDIA研究的年轻人(N=2,614,平均年龄=25.1岁,女性55.8%,黑人43.8%,1985-1986基线)被纳入研究对象。在达到年龄预测最大心率≥85%的患者中,使用症状受限的最大跑步机运动试验(以分钟为单位)估计基线、检查第7年(1992-1993)和第20年(2005-2006)的最大CRF。在第15年(2000-2001年)和第25年(2010-2011年)使用计算机断层扫描对PAT体积(mL)进行量化。使用基线、第7年和/或第20年的协变量(社会人口统计学、心血管疾病危险因素、炎症、腰围)的多变量线性和线性混合回归。单独的多变量回归模型显示,在完全调整模型中,基线、第7年或第20年的CRF与第25年的PAT呈负相关(均P < 0.001)。线性混合模型显示,在20年内,跑步机运动测试时间每增加1分钟,随后的PAT体积降低1.49 mL (P < 0.001)。总之,研究结果表明,较高的CRF与随后的PAT体积呈负相关。优化CRF的策略可以预防PAT随年龄的过度积累。
Pericardial adipose tissue (PAT), an ectopic adipose depot surrounding the coronary arteries, is a pathogenic risk marker for cardiometabolic disease; however, the association between cardiorespiratory fitness (CRF) and PAT is unclear. Young adults (N=2,614, mean age=25.1 years, 55.8% women, 43.8% Black at baseline 1985–1986) from the CARDIA Study were included. Maximal CRF was estimated at baseline, exam years 7 (1992–1993), and 20 (2005–2006) using a symptom-limited maximal treadmill exercise test (duration in minute) among those achieving ≥ 85% of age-predicted maximal heart rate. PAT volume (mL) was quantified at exam years 15 (2000–2001) and 25 (2010–2011) using computed tomography. Multivariable linear and linear mixed regressions with covariates (sociodemographics, cardiovascular disease risk factors, inflammation, waist circumference) from baseline, year 7, and/or year 20 were used. Separate multivariable regression models revealed inverse associations of CRF at baseline, years 7 or 20 with PAT at year 25 in fully adjusted models (all P < 0.001). The linear mixed model showed that a one-minute increase in treadmill exercise test duration over 20 years was associated with 1.49 mL lower subsequent PAT volume (P < 0.001). In conclusion, findings suggest that higher CRF is inversely associated with subsequent PAT volume. Strategies to optimize CRF may be preventive against excessive PAT accumulation with age.
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