The aim of this study is to increase our knowledge about the effect of physical activity in patients who have undergone gastric bypass surgery. The study will provide novel information in two areas. The main objective is to study the effect of physical activity on the weight loss and cardiovascular risk factors. This will be accomplished in a randomized clinical trial in patients, who are eligible for gastric bypass (GB). Patients will be randomized to six month of structured physical activity or standard postoperative counseling. The study will include an exhaustive panel of blood tests related to cardiovascular risk and the most extensive evaluation of structural and functional vascular test done in this patient group so far. In addition the study will provide information of the effect of bariatric surgery per se since both pre- and postoperative investigations are conducted. The study will learn us to what degree it is possible to motivate this group of patients to increased physical activity. All together this will enable us to improve the counseling of the patients undergoing GB.
The study will be conducted as a prospective, randomized, controlled, two-group, intervention study. Patients will be recruited among individuals referred to the tertiary center for bariatric surgery. The patients will be asked to participate in the study when they attend the preoperative education for bariatric surgery. Randomization will be performed in blocks ensuring an equal distribution of type 2 diabetes patients in the two study groups. Participants will be investigated before gastric bypass surgery, six, 12 and 24 month post-operative. Intervention, consisting of structured physical activity will take place from six to 12 month after operation. The intervention program will continue for six month. The supervised exercise program will take place at the training center consisting of 40 min. sessions two times pr. week for 26 consecutive weeks.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
PREVENTION
Masking
SINGLE
Enrollment
60
The intervention program will continue for six month consisting of two weekly sessions of 40 min exercise supervised by physiotherapists. The supervised exercise program will take place at the training center Fitness.dk in Esbjerg and Kolding. It will be in cooperation with physiotherapists at the Therapy Department of Sydvestjysk Sygehus Esbjerg and the Therapy Department of Fredericia and Kolding Sygehus, Sygehus Lillebælt. The exercise program at the two centers will be equal. In addition the patients will be provided with free access to a fitness center. The patient will be encouraged to do at least 3.5 hours of moderate to vigorous physical activity per week.
Center of Bariatric Research, Dep. of Endocrinology, Hospital of South West Denmark
Esbjerg, Denmark
Weight loss
The participants pre-operative weight are measured before gastric bypass surgery. This measure will take place within 2 weeks before surgery. Weight change from baseline will be measured 6, 12 and 24 months post-surgery.
Time frame: Measures 1-2 weeks before gastric bypass, change from baseline 6, 12 and 24 month post-surgery
Blood tests
Exhaustive panel of blood tests related to cardiovascular risk. The participants are measured before gastric bypass surgery. This measure will take place within 2 weeks before surgery. Changes in blood analyses from baseline will be measured 6, 12 and 24 months post-surgery.
Time frame: Measures 1-2 weeks before gastric bypass, 6, 12 and 24 month post-surgery
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