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Datto, G.

Falini, L.

Reed, M.

Reichard, K.

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  LFalini@nemours.org, gdatto@nemours.org, kreichar@nemours.org, MReed3@wcupa.edu  Title: Adolescent Cardiovascular Fitness Changes One Year Post Gastric-Band Surgery    1,2Falini, L., 1Datto, G, 1Reichard, K., 2Reed, M., 1General Pediatrics, A.I. duPont Hospital for Children, Wilmington, De 2Department of Kinesiology West Chester University, West Chester, PA   Purpose: The purpose of this study was to describe cardiovascular fitness changes one year post Gastric-Band surgery in severely obese adolescents. Methods: A retrospective chart review was conducted of patients who had Gastric-Band surgery and maximal fitness testing pre and 1 year post -surgery. Maximal cycle ergometer fitness was assessed using a 20 watt ramp protocol. Fitness measurements were absolute VO2 (L/min), relative VO2 (ml/kg/min), relative VO2 fat free mass (FFM) and maximal work (watts). Results:  There were 21 patients, aged 14-18 (mean 15.8±1.0), 16 females, 15 Caucasians. Average weight loss was 22.05±13.83 kg (range -4.6-49.5kg) and percent excess weight loss was 31.02%±19.08% (range -8.87-75.37). Weight and BMI significantly decreased one year post-surgery. Resting HR, max HR and max blood pressure, trended towards a significant decrease and relative VO2 trended towards a significant increase. Maximum absolute VO2 (baseline 2.84, 1 year post 2.80, p=0.697), relative VO2 FFM (baseline 42.54, 1 year post 46.60, p=0.658), Watts (baseline 163, 1 year post 167, p=0.318), and respiratory exchange ratio were not significantly different.  Conclusion: Gastric-band surgery is effective in decreasing weight in adolescent patients. Despite significant weight loss there was not a corresponding significant improvement in cardiovascular fitness. Further research is needed to determine the most effective dose and intensity of exercise in this specific population.  N Baseline (mean ± stand.dev.) 1 year Post (mean ± stand.dev.)  Significances Weight (kg) 21 145.97 ± 23.70 127.83 ± 23.33 P≤0.001 BMI 21 50.69 ± 8.61 44.40 ± 7.80 P≤0.001 Resting HR 21 92 ± 14 86 ± 14 P=0.087 Max HR 21 178 ± 13 182 ± 10 P=0.103 Max blood pressure 20 172/63 ± 19/16 161/58 ± 16/12 P=0.139,  P=0.119 Relative VO2 (ml/kg/min) 21 19.54 ± 3.56 21.22 ± 4.2 P=0.099 

Adolescent Cardiovascular Fitness Changes One Year Post Gastric-Band Surgery

http://digitalcommons.wku.edu/cgi/viewcontent.cgi?article=1686&context=ijesab

Adolescent Cardiovascular Fitness Changes One Year Post Gastric-Band Surgery

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