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The impact of visceral and general obesity on vascular and left ventricular function and geometry: a cross-sectional magnetic resonance imaging study of the UK Biobank.
European Heart Journal - Cardiovascular Imaging ( IF 6.2 ) Pub Date : 2020-03-01 , DOI: 10.1093/ehjci/jez279
Max J P van Hout 1 , Ilona A Dekkers 2 , Jos J M Westenberg 2 , Martin J Schalij 1 , Arthur J H A Scholte 1 , Hildo J Lamb 2
Affiliation  

AIMS  We aimed to evaluate the associations of body fat distribution with cardiovascular function and geometry in the middle-aged general population. METHODS AND RESULTS  Four thousand five hundred and ninety participants of the UK Biobank (54% female, mean age 61.1 ± 7.2 years) underwent cardiac magnetic resonance for assessment of left ventricular (LV) parameters [end-diastolic volume (EDV), ejection fraction (EF), cardiac output (CO), and index (CI)] and magnetic resonance imaging for body composition analysis [subcutaneous adipose tissue (SAT) and visceral adipose tissue (VAT)]. Body fat percentage (BF%) was assessed by bioelectrical impedance. Linear regressions were performed to assess the impact of visceral (VAT) and general (SAT and BF%) obesity on cardiac function and geometry. Visceral obesity was associated with a smaller EDV [VAT: β -1.74 (-1.15 to -2.33)], lower EF [VAT: β -0.24 (-0.12 to -0.35), SAT: β 0.02 (-0.04 to 0.08), and BF%: β 0.02 (-0.02 to 0.06)] and the strongest negative association with CI [VAT: β -0.05 (-0.06 to -0.04), SAT: β -0.02 (-0.03 to -0.01), and BF% β -0.01 (-0.013 to -0.007)]. In contrast, general obesity was associated with a larger EDV [SAT: β 1.01 (0.72-1.30), BF%: β 0.37 (0.23-0.51)] and a higher CO [SAT: β 0.06 (0.05-0.07), BF%: β 0.02 (0.01-0.03)]. In the gender-specific analysis, only men had a significant association between VAT and EF [β -0.35 (-0.19 to -0.51)]. CONCLUSION  Visceral obesity was associated with a smaller LV EDV and subclinical lower LV systolic function in men, suggesting that visceral obesity might play a more important role compared to general obesity in LV remodelling.

中文翻译:

内脏和全身肥胖对血管和左心室功能和几何形状的影响:UK Biobank的横截面磁共振成像研究。

目的我们的目的是评估中年普通人群体内脂肪分布与心血管功能和体格的关系。方法和结果UK Biobank的459位参与者(女性54%,平均年龄61.1±7.2岁)接受了心脏磁共振检查,以评估左心室(LV)参数[舒张末期容积(EDV),射血分数(EF),心输出量(CO)和指数(CI)]以及用于身体成分分析的磁共振成像[皮下脂肪组织(SAT)和内脏脂肪组织(VAT)]。通过生物电阻抗评估体脂百分比(BF%)。进行线性回归以评估内脏(VAT)和普通(SAT和BF%)肥胖对心脏功能和几何形状的影响。内脏肥胖与较小的EDV相关[增值税:β-1.74(-1.15至-2.33)],较低的EF [增值税:β-0.24(-0.12至-0.35),SAT:β0.02(-0.04至0.08)和BF%:β0.02(-0.02至0.06) )]和与CI的最强负相关性[增值税:β-0.05(-0.06至-0.04),SAT:β-0.02(-0.03至-0.01)和BF%β-0.01(-0.013至-0.007)] 。相反,一般肥胖与较高的EDV [SAT:β1.01(0.72-1.30),BF%:β0.37(0.23-0.51)]和较高的CO相关[SAT:β0.06(0.05-0.07),BF% :β0.02(0.01-0.03)]。在针对性别的分析中,只有男性在增值税和EF之间存在显着关联[β-0.35(-0.19至-0.51)]。结论内脏性肥胖与男性左心室EDV较小和亚临床左室收缩功能低有关,提示内脏性肥胖与左室重塑相比,一般性肥胖可能起更重要的作用。12至-0.35),SAT:β0.02(-0.04至0.08)和BF%:β0.02(-0.02至0.06)]和与CI的最强负相关性[增值税:β-0.05(-0.06至-0.04) ,SAT:β-0.02(-0.03至-0.01)和BF%β-0.01(-0.013至-0.007)]。相反,一般肥胖与较高的EDV [SAT:β1.01(0.72-1.30),BF%:β0.37(0.23-0.51)]和较高的CO相关[SAT:β0.06(0.05-0.07),BF% :β0.02(0.01-0.03)]。在针对性别的分析中,只有男性在增值税和EF之间存在显着关联[β-0.35(-0.19至-0.51)]。结论内脏性肥胖与男性左心室EDV较小和亚临床左室收缩功能低有关,提示内脏性肥胖与左室重塑相比,一般性肥胖可能起更重要的作用。12至-0.35),SAT:β0.02(-0.04至0.08)和BF%:β0.02(-0.02至0.06)]和与CI的最强负相关性[增值税:β-0.05(-0.06至-0.04) ,SAT:β-0.02(-0.03至-0.01)和BF%β-0.01(-0.013至-0.007)]。相反,一般肥胖与较高的EDV [SAT:β1.01(0.72-1.30),BF%:β0.37(0.23-0.51)]和较高的CO相关[SAT:β0.06(0.05-0.07),BF% :β0.02(0.01-0.03)]。在针对性别的分析中,只有男性在增值税和EF之间存在显着关联[β-0.35(-0.19至-0.51)]。结论内脏性肥胖与男性左心室EDV较小和亚临床左室收缩功能低有关,提示内脏性肥胖与左室重塑相比,一般性肥胖可能起更重要的作用。06)]和与CI最强的负相关性[增值税:β-0.05(-0.06至-0.04),SAT:β-0.02(-0.03至-0.01)和BF%β-0.01(-0.013至-0.007) ]。相反,一般肥胖与较高的EDV [SAT:β1.01(0.72-1.30),BF%:β0.37(0.23-0.51)]和较高的CO相关[SAT:β0.06(0.05-0.07),BF% :β0.02(0.01-0.03)]。在针对性别的分析中,只有男性在增值税和EF之间存在显着关联[β-0.35(-0.19至-0.51)]。结论内脏型肥胖与男性左心室EDV较小和亚临床左室收缩功能低有关,提示内脏型肥胖与左室重塑相比,普通肥胖可能起更重要的作用。06)]和与CI最强的负相关性[增值税:β-0.05(-0.06至-0.04),SAT:β-0.02(-0.03至-0.01)和BF%β-0.01(-0.013至-0.007) ]。相反,一般肥胖与较高的EDV [SAT:β1.01(0.72-1.30),BF%:β0.37(0.23-0.51)]和较高的CO相关[SAT:β0.06(0.05-0.07),BF% :β0.02(0.01-0.03)]。在针对性别的分析中,只有男性在增值税和EF之间存在显着关联[β-0.35(-0.19至-0.51)]。结论内脏性肥胖与男性左心室EDV较小和亚临床左室收缩功能低有关,提示内脏性肥胖与左室重塑相比,一般性肥胖可能起更重要的作用。普通肥胖与较高的EDV相关[SAT:β1.01(0.72-1.30),BF%:β0.37(0.23-0.51)]和较高的CO [SAT:β0.06(0.05-0.07),BF%:β0.02 (0.01-0.03)]。在针对性别的分析中,只有男性在增值税和EF之间存在显着关联[β-0.35(-0.19至-0.51)]。结论内脏性肥胖与男性左心室EDV较小和亚临床左室收缩功能低有关,提示内脏性肥胖与左室重塑相比,一般性肥胖可能起更重要的作用。普通肥胖与较高的EDV相关[SAT:β1.01(0.72-1.30),BF%:β0.37(0.23-0.51)]和较高的CO [SAT:β0.06(0.05-0.07),BF%:β0.02 (0.01-0.03)]。在针对性别的分析中,只有男性在增值税和EF之间存在显着关联[β-0.35(-0.19至-0.51)]。结论内脏性肥胖与男性左心室EDV较小和亚临床左室收缩功能低有关,提示内脏性肥胖与左室重塑相比,一般性肥胖可能起更重要的作用。
更新日期:2020-03-19
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