Abstract
Cardiovascular diseases represent the main cause of mortality and morbidity worldwide. Several metabolic conditions, as obesity, diabetes, metabolic syndrome, hypertension, and hypercholesterolemia, seem to play a pivotal role in the pathogenesis of cardiovascular diseases.
During the last 20 years, different surrogate markers have been proposed as possible tools not only to identify and to evaluate the progression of cardiovascular disease but also to recognize precocious stages of different cardio-metabolic diseases in general population.
One of the most promising biomarker is the triglyceride-to-high-density lipoprotein cholesterol (TG/HDL-c) ratio that has been proposed as a new emerging marker able both to reflect the cardio-metabolic status and to predict the increased risk of developing metabolic and cardiovascular complications in adults as well as in children. In fact, several evidences demonstrated the TG/HDL-c ratio is well related not only with current cardio-metabolic diseases, but it seems to be able to predict the risk to develop cardiovascular accidents.
The goal of this book chapter is to describe the potential role of TG/HDL-c ratio as a marker to evaluate and to predict cardiovascular and metabolic diseases in adults and in children.
Abbreviations
- AD:
-
Atherogenic dyslipidemia
- CHD:
-
Cardiovascular heart diseases
- cIMT:
-
Carotid intima-media thickness
- CVD:
-
Cardiovascular diseases
- HDL-c:
-
High-density lipoprotein cholesterol
- HOMA-IR:
-
Homeostasis model assessment
- IR:
-
Insulin resistance
- LDL-c:
-
Low-density lipoprotein cholesterol
- TC:
-
Total cholesterol
- TG:
-
Triglycerides
- TG/HDL-c:
-
Triglyceride-to-high-density lipoprotein cholesterol
- WBISI:
-
Whole-body insulin sensitivity index
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Definitions
- Arterial stiffness
-
Is an age-related process that occurs when the elastic fibers within the arterial wall (elastin) begin to fray due to mechanical stress. Increased arterial stiffness is associated with an increased risk of cardiovascular events.
- Arteriosclerosis
-
Is the thickening, hardening, and loss of elasticity of the walls of arteries. It should not be confused with atherosclerosis, which is a specific form of arteriosclerosis caused by the buildup of fatty plaques and cholesterol in the artery.
- Atherosclerosis
-
Is a specific form of arteriosclerosis in which an artery wall thickens as a result of invasion and accumulation of white blood cells, remnants of dead cells, cholesterol, and triglycerides. Atherosclerosis is therefore a syndrome affecting arterial blood vessels due to a chronic inflammatory response of white blood cells in the walls of arteries. This is promoted by low-density lipoproteins (LDL-c, plasma proteins that carry cholesterol and triglycerides) without adequate removal of fats and cholesterol from the macrophages by functional high-density lipoproteins (HDL-c). It is commonly referred to as a “hardening” or furring of the arteries. It is caused by the formation of multiple athermanous plaques within the arteries.
- Atherogenic dyslipidemia
-
Is a risk-conferring lipid/lipoprotein profile characterized by a higher proportion of small LDL particles, reduced HDL-C levels, and increased values of triglycerides.
- Carotid intima-media (cIMT)
-
Also called intimal-medial thickness, is a measurement of the thickness of tunica intima and tunica media, the innermost two layers of the wall of an artery. The measurement is usually made by external ultrasound and occasionally by internal, invasive ultrasound catheters; see intravascular ultrasound. Measurements of the wall thickness of blood vessels can also be done using other imaging modalities.
- Dyslipidemia
-
Is an abnormal elevation of plasma total cholesterol, triglycerides (TGs), or low high-density lipoprotein level that contributes to the development of atherosclerosis. Causes may be primary (genetic) or secondary.
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de Giorgis, T., Mohn, A. (2015). Triglycerides (TG) to High-Density Lipoprotein (HDL-c) Ratio (TG/HDL-c Ratio) as a Marker of Cardio-Metabolic Risk. In: Patel, V., Preedy, V. (eds) Biomarkers in Cardiovascular Disease. Springer, Dordrecht. https://doi.org/10.1007/978-94-007-7741-5_21-1
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DOI: https://doi.org/10.1007/978-94-007-7741-5_21-1
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