1H-magnetic resonance spectroscopy for quantifying myocardial lipid content in humans with the cardiometabolic syndrome.
1H-magnetic resonance spectroscopy for quantifying myocardial lipid content in humans with the cardiometabolic syndrome.
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DOI:
10.1111/j.1559-4572.2009.00061.x
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发表时间:
2009-09
期刊:
影响因子:
--
通讯作者:
Gropler RJ
中科院分区:
文献类型:
--
作者:
O'Connor RD;Bashir A;Cade WT;Yarasheski KE;Gropler RJ
Elevated serum free fatty acid (FFA) levels are common in people at risk for cardiometabolic syndrome. These FFA are transported, converted, and stored as monoglycerides, diglycerides, and triglycerides in nonadipose tissues including liver, skeletal muscle, and heart. For the heart, this lipid accumulation has been associated with insulin resistance, diabetes, systolic dysfunction, and in animal models, apoptosis. 1–7 However, the relationship between FFA, cardiometabolic syndrome, and cardiovascular disease is unclear and the correlations imperfect. In contrast to FFA levels, a direct measure of cardiac intramyocellular lipid (IMCL) content provides a clear indicator of ectopic lipid accumulation and may provide a better risk predictor for disease. Here we describe and demonstrate a 1H magnetic resonance spectroscopy (MRS) technique for quantifying human myocardial lipid content.
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影响因子:
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