PMID- 18388897 OWN - NLM STAT- MEDLINE DCOM- 20080908 LR - 20171116 IS - 1930-7381 (Print) IS - 1930-7381 (Linking) VI - 16 IP - 6 DP - 2008 Jun TI - Short-term training effects on diastolic function in obese persons with the metabolic syndrome. PG - 1277-83 LID - 10.1038/oby.2008.212 [doi] AB - The aim of this study was to determine the effects of a short-term high-intensity exercise program on diastolic function and glucose tolerance in obese individuals with and without metabolic syndrome (MetSyn). Obese men and women (BMI > 30 kg/m(2); 39-60 years) with and without the MetSyn (MetSyn 13; non-MetSyn 18) underwent exercise training consisting of 10 consecutive days of treadmill walking for 1 h/day at 70-75% of peak aerobic capacity. Subjects performed pre- and post-training testing for aerobic capacity, glucose tolerance (2-h meal test), and standard echocardiography. Aerobic capacity improved for both groups (non-MetSyn 24.0 +/- 1.6 ml/kg/min vs. 25.1 +/- 1.5 ml/kg/min; MetSyn 25.2 +/- 1.8 ml/kg/min vs. 26.2 +/- 1.7 ml/kg/min, P < 0.05). Glucose area under the curve (AUC) improved in the MetSyn group (1,017 +/- 58 pmol/l/min vs. 883 +/- 75 pmol/l/min, P < 0.05) with no change for the non-MetSyn group (685 +/- 54 pmol/l/min vs. 695 +/- 70 pmol/l/min). Isovolumic relaxation time (IVRT) improved in the MetSyn group (97 +/- 6 ms vs. 80 +/- 5 ms, P < 0.05), and remained normal in the non-MetSyn group (82 +/- 6 ms vs. 86 +/- 5 ms). No changes in other diastolic parameters were observed. The overall reduction in IVRT was correlated with a decrease in diastolic blood pressure (DBP) (r = 0.45, P < 0.05), but not with changes in glucose tolerance. Body weight did not change with training in either group. A 10-day high-intensity exercise program improved diastolic function and glucose tolerance in the group with MetSyn. The reduction in IVRT in MetSyn was associated with a fall in blood pressure. These data suggest that it may be possible to reverse early parameters of diastolic dysfunction in MetSyn with a high-intensity exercise program. FAU - Baynard, Tracy AU - Baynard T AD - Department of Exercise Science, Syracuse University, Syracuse, New York, USA. tbaynard@uiuc.edu FAU - Carhart, Robert L Jr AU - Carhart RL Jr FAU - Ploutz-Snyder, Lori L AU - Ploutz-Snyder LL FAU - Weinstock, Ruth S AU - Weinstock RS FAU - Kanaley, Jill A AU - Kanaley JA LA - eng GR - R21 DK063179/DK/NIDDK NIH HHS/United States PT - Controlled Clinical Trial PT - Journal Article PT - Research Support, N.I.H., Extramural PT - Research Support, Non-U.S. Gov't DEP - 20080403 PL - United States TA - Obesity (Silver Spring) JT - Obesity (Silver Spring, Md.) JID - 101264860 RN - 0 (Blood Glucose) RN - 0 (Insulin) SB - IM MH - Adult MH - Blood Glucose/metabolism MH - Blood Pressure/*physiology MH - Body Weight/physiology MH - Exercise/*physiology MH - Exercise Test MH - Female MH - Humans MH - Insulin/metabolism MH - Male MH - Metabolic Syndrome/*physiopathology/*therapy MH - Middle Aged MH - Obesity/*physiopathology/*therapy EDAT- 2008/04/05 09:00 MHDA- 2008/09/09 09:00 CRDT- 2008/04/05 09:00 PHST- 2008/04/05 09:00 [pubmed] PHST- 2008/09/09 09:00 [medline] PHST- 2008/04/05 09:00 [entrez] AID - oby2008212 [pii] AID - 10.1038/oby.2008.212 [doi] PST - ppublish SO - Obesity (Silver Spring). 2008 Jun;16(6):1277-83. doi: 10.1038/oby.2008.212. Epub 2008 Apr 3.