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Overweight, obese are risks for heart disease regardless of metabolic syndrome

Date:
November 11, 2013
Source:
The JAMA Network Journals
Summary:
Being overweight or obese are risk factors for myocardial infarction (heart attack) and ischemic heart disease regardless of whether individuals also have the cluster of cardiovascular risk factors known as metabolic syndrome, which includes high blood pressure, high cholesterol and high blood sugar, according to a new study.

Being overweight or obese are risk factors for myocardial infarction (heart attack) and ischemic heart disease (IHD) regardless of whether individuals also have the cluster of cardiovascular risk factors known as metabolic syndrome, which includes high blood pressure, high cholesterol and high blood sugar, according to a study published by JAMA Internal Medicine, a JAMA Network publication.

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Being overweight or obese likely causes MI and IHD but whether co-existing metabolic syndrome is necessary for the conditions to develop is unknown, according to the study authors.

Børge G. Nordestgaard, M.D., D. M.Sc., and Mette Thomsen, M.D., from Herlev Hospital, Copenhagen University Hospital, Denmark, investigated the associations by examining data from 71,527 participants in a general population study.

During nearly four years of follow-up, researchers identified 634 cases of MIs and 1,781 cases of IHDs. Relative to people with normal weight, the hazards of MI were increased with overweight and obesity and were statistically equivalent whether or not patients had metabolic syndrome. There were also increasing cumulative incidences of MI and IHD among individuals both with and without metabolic syndrome from normal weight through overweight to obese individuals, according to the study results.

"These findings suggest that overweight and obesity are risk factors for MI and IHD regardless of the presence or absence of metabolic syndrome and that metabolic syndrome is no more valuable than BMI (body mass index) in identifying individuals at risk," the study concludes.


Story Source:

The above story is based on materials provided by The JAMA Network Journals. Note: Materials may be edited for content and length.


Journal Reference:

  1. Mette Thomsen, Børge G. Nordestgaard. Myocardial Infarction and Ischemic Heart Disease in Overweight and Obesity With and Without Metabolic Syndrome. JAMA Internal Medicine, 2013; DOI: 10.1001/jamainternmed.2013.10522

Cite This Page:

The JAMA Network Journals. "Overweight, obese are risks for heart disease regardless of metabolic syndrome." ScienceDaily. ScienceDaily, 11 November 2013. <www.sciencedaily.com/releases/2013/11/131111161438.htm>.
The JAMA Network Journals. (2013, November 11). Overweight, obese are risks for heart disease regardless of metabolic syndrome. ScienceDaily. Retrieved March 1, 2015 from www.sciencedaily.com/releases/2013/11/131111161438.htm
The JAMA Network Journals. "Overweight, obese are risks for heart disease regardless of metabolic syndrome." ScienceDaily. www.sciencedaily.com/releases/2013/11/131111161438.htm (accessed March 1, 2015).

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