PROVIDENCE, RI A new study by researchers from The Miriam Hospital's Centers for Behavioral and Preventive Medicine suggests increased physical activity after bariatric surgery can yield better postoperative outcomes.
According to the study, published online by the journal Obesity, previously inactive patients who became physically active after bariatric surgery lost more weight and achieved greater improvements in quality of life than those patients who remained inactive.
"Bariatric surgery is quickly emerging as a standard treatment for severe obesity, although weight loss outcomes vary. These results suggest that patient behavior, particularly physical activity, may promote both enhanced weight loss and greater improvements in health-related quality of life following bariatric surgery," says lead author Dale Bond, PhD, of The Miriam Hospital's Centers for Behavioral and Preventive Medicine.
Approximately 190 patients who underwent gastric bypass surgery at Virginia Commonwealth University participated in the study. A validated, self-administered questionnaire was used to assess physical activity levels of participants both before surgery and one year after surgery. Researchers set a benchmark of 200 minutes of weekly physical activity (defined as walking and participating in activities of a moderate or vigorous intensity) to differentiate between inactive vs. active individuals.
Participants also completed a standardized self-reported questionnaire designed to measure health-related quality of life, focusing on areas such as physical functioning, limitations because of physical or emotional problems, bodily pain, general health, energy levels (vitality), social functioning and mental health.
Overall, researchers observed a positive relationship between changes in physical activity and improved bariatric outcomes. More than two-thirds (68 percent) of those individuals who went from being inactive before
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