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Metabolic Syndrome   (Spanish Version)  

Definition:

Metabolic syndrome is a name for a group of risk factors that occur together and increase the risk for coronary artery disease, stroke, and type 2 diabetes.



Alternative Names:

Insulin resistance syndrome; Syndrome X



Causes, incidence, and risk factors:

Metabolic syndrome is becoming more and more common in the United States. Researchers are not sure whether the syndrome is due to one single cause, but all of the syndrome's risk factors are related to obesity.

Metabolic syndrome is associated with many conditions and risk factors. The two most important risk factors are:

  • Extra weight around the middle of the body (central obesity). The body may be described as "apple-shaped."
  • Insulin resistance, in which the body cannot use insulin effectively. Insulin is needed to help control the amount of sugar in the body.

Insulin helps blood sugar (glucose) enter cells. If you have insulin resistance, your body doesn't respond to insulin, and blood sugar cannot get into cells. As a result, the body produces more and more insulin. Insulin and blood sugar levels rise, affecting kidney function and raising the level of blood fats, such as triglycerides.

Other risk factors include:

  • Aging
  • Genes that make you more likely to develop this condition (genetic predisposition)
  • Hormonal changes
  • Lack of exercise


References:

Lichtenstein AH, Appel LJ, Brands M, et al. Diet and lifestyle recommendations revision 2006: a scientific statement from the American Heart Association Nutrition Committee. Circulation. 2006;114:82-96.

Lakka T, Laaksonen DE. Physical activity in prevention and treatment of the metabolic syndrome. Appl Physiol Nutr Metab. 2007;32(1):76-88.

Grundy SM, Cleeman JI, Daniels SR, Donato KA, Eckel RH, Franklin BA, et al. American Heart Association; National Heart, Lung, and Blood Institute. Diagnosis and management of the metabolic syndrome: an American Heart Association/National Heart, Lung, and Blood Institute Scientific statement. Cardiol Rev. 2005;13:322-327.




Review Date: 5/20/2009
Reviewed By: Deborah Wexler, MD, Assistant Professor of Medicine, Harvard Medical School, Endocrinologist, Massachusetts General Hospital. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.


The information provided herein should not be used during any medical emergency or for the diagnosis or treatment of any medical condition. A licensed physician should be consulted for diagnosis and treatment of any and all medical conditions. Call 911 for all medical emergencies. Links to other sites are provided for information only -- they do not constitute endorsements of those other sites. Copyright 2003 A.D.A.M., Inc. Any duplication or distribution of the information contained herein is strictly prohibited.

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Phone: (336) 713-BEST (713-2378)
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Sunday, closed

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The information on this Website is for general informational purposes only and SHOULD NOT be relied upon as a substitute for sound professional medical advice, evaluation or care from your physician or other qualified healthcare provider. If you have a medical problem or a health-related question, consult your physician or call Health On-Call at 336-716-2255 or 1-800-446-2255.

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