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Effects of exercise and weight loss on cardiac risk factors associated with syndrome X.

Publication ,  Journal Article
Watkins, LL; Sherwood, A; Feinglos, M; Hinderliter, A; Babyak, M; Gullette, E; Waugh, R; Blumenthal, JA
Published in: Arch Intern Med
September 8, 2003

BACKGROUND: Patients with high blood pressure (BP) often exhibit syndrome X, an aggregation of abnormalities in carbohydrate and lipoprotein metabolism associated with increased risk of coronary heart disease (CHD). The present study evaluated the effects of a 6-month intervention involving either aerobic exercise training alone (EX only) or exercise combined with a structured weight loss program (EX + WL) on CHD risk factors associated with syndrome X. METHODS: A total of 53 men and women were selected from a larger behavioral intervention trial, who showed the hyperinsulinemia, dyslipidemia, and high BP characteristic of syndrome X. Participants were randomly assigned to EX only (n = 21), EX + WL (n = 21), or a waiting list control group (n = 11). Before and following treatment, participants underwent measurement of glucose tolerance, lipid levels, and clinical BP. RESULTS: Hyperinsulinemic responses to glucose challenge were significantly reduced in both the EX + WL group (P<.001) and the EX-only group (P =.003). Participants who showed the largest amount of weight loss showed the most robust improvements in abnormal insulin responses (EX + WL group, 47% reduction; EX-only group, 27% reduction). Diastolic BP was significantly reduced in the EX + WL group (96 +/- 4 to 87 +/- 5 mm Hg [mean +/- SD]; P =.01), but not in the EX-only group (93 +/- 4 to 89 +/- 5 mm Hg [mean +/- SD]; P =.08). Lipid profile was not significantly improved by either intervention. CONCLUSION: These results suggest that EX + WL is an effective treatment for hyperinsulinemia and lowering of diastolic BP in patients with the syndrome X.

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Published In

Arch Intern Med

DOI

ISSN

0003-9926

Publication Date

September 8, 2003

Volume

163

Issue

16

Start / End Page

1889 / 1895

Location

United States

Related Subject Headings

  • Weight Loss
  • Treatment Outcome
  • Risk Factors
  • Regression Analysis
  • Oxygen Consumption
  • Metabolic Syndrome
  • Male
  • Hyperlipidemias
  • Hyperinsulinism
  • Humans
 

Citation

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Watkins, L. L., Sherwood, A., Feinglos, M., Hinderliter, A., Babyak, M., Gullette, E., … Blumenthal, J. A. (2003). Effects of exercise and weight loss on cardiac risk factors associated with syndrome X. Arch Intern Med, 163(16), 1889–1895. https://doi.org/10.1001/archinte.163.16.1889
Watkins, Lana L., Andrew Sherwood, Mark Feinglos, Alan Hinderliter, Michael Babyak, Elizabeth Gullette, Robert Waugh, and James A. Blumenthal. “Effects of exercise and weight loss on cardiac risk factors associated with syndrome X.Arch Intern Med 163, no. 16 (September 8, 2003): 1889–95. https://doi.org/10.1001/archinte.163.16.1889.
Watkins LL, Sherwood A, Feinglos M, Hinderliter A, Babyak M, Gullette E, et al. Effects of exercise and weight loss on cardiac risk factors associated with syndrome X. Arch Intern Med. 2003 Sep 8;163(16):1889–95.
Watkins, Lana L., et al. “Effects of exercise and weight loss on cardiac risk factors associated with syndrome X.Arch Intern Med, vol. 163, no. 16, Sept. 2003, pp. 1889–95. Pubmed, doi:10.1001/archinte.163.16.1889.
Watkins LL, Sherwood A, Feinglos M, Hinderliter A, Babyak M, Gullette E, Waugh R, Blumenthal JA. Effects of exercise and weight loss on cardiac risk factors associated with syndrome X. Arch Intern Med. 2003 Sep 8;163(16):1889–1895.

Published In

Arch Intern Med

DOI

ISSN

0003-9926

Publication Date

September 8, 2003

Volume

163

Issue

16

Start / End Page

1889 / 1895

Location

United States

Related Subject Headings

  • Weight Loss
  • Treatment Outcome
  • Risk Factors
  • Regression Analysis
  • Oxygen Consumption
  • Metabolic Syndrome
  • Male
  • Hyperlipidemias
  • Hyperinsulinism
  • Humans