MONDAY, May 9 (HealthDay News) -- Aerobic exercise alone or combined with resistance training significantly improves cardiovascular (CV) risk factors including hemoglobin A1c, systolic blood pressure (SBP), triglycerides, and waist circumference in patients with type 2 diabetes, according to a meta-analysis published online April 27 in Diabetes Care.
Anna Chudyk and Robert J. Petrella, M.D., Ph.D., from Parkwood Hospital in London, Canada, evaluated the impact of the mode of exercise on CV risk factors in patients with type 2 diabetes. A total of 34 studies were identified from literature published between 1970 and 2009, which included data on the effect of aerobic or resistance training on glycemic control, dyslipidemia, blood pressure, and body composition.
The investigators found that most of the articles examined the impact of aerobic exercise alone and only 10 reported both aerobic and resistance training. Aerobic exercise, alone or in combination with resistance training, significantly improved hemoglobin A1c levels and SBP. Triglyceride levels and waist circumference also improved significantly, but these were measured in fewer studies and there was more heterogeneity in the measurements. Resistance training alone, or in combination with other forms of exercise, was not associated with a significant impact on CV markers.
"Aerobic exercise alone or combined with resistance training improves glycemic control, SBP, triglycerides, and waist circumference. The impact of resistance exercise alone on CV risk markers in type 2 diabetes remains unclear," the authors write.
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