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The metabolic syndrome, also known as syndrome X, is a set of five conditions, which together increase a patient's risk of developing cardiovascular disease 1.
There are five central components of metabolic syndrome:
- impaired glucose tolerance
- centripetal obesity
It has been recognized for more than thirty years that the key metabolic phenomenon underlying the five elements of the metabolic syndrome is the development of insulin resistance 1.
The clinical diagnosis of metabolic syndrome relies upon measuring central adiposity, glucose tolerance, blood pressure, and serum lipid levels.
History and etymology
The interconnectedness of these five entities was recognized decades ago, but the term metabolic syndrome was not coined until 1988 by American endocrinologist, Gerald M Reaven (1928-2018) 3 in the annual Banting lecture 2. Reaven was revered as the “father of insulin resistance”, for his groundbreaking research in this area 3.
- 1. Khunti K, Davies M. Metabolic syndrome. (2005) BMJ (Clinical research ed.). 331 (7526): 1153-4. doi:10.1136/bmj.331.7526.1153 - Pubmed
- 2. Reaven GM. Banting lecture 1988. Role of insulin resistance in human disease. (1988) Diabetes. 37 (12): 1595-607. Pubmed
- 3. Kim SH, Abbasi F. Myths about Insulin Resistance: Tribute to Gerald Reaven. (2019) Endocrinology and metabolism (Seoul, Korea). 34 (1): 47-52. doi:10.3803/EnM.2019.34.1.47 - Pubmed