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Influence of physical activity on hydration state in children with obesity before and after a weight loss program

(2019) ACTA CLINICA BELGICA. 74(4). p.236-241
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Abstract
Objective: Evaluate the effect of a 1-year standardized residential slimming program on exercise-induced dehydration in children with obesity. Method: At the start (T-1) and end (T-2) of the program, urine samples, weight, blood pressure and pulse were collected before (T (R)) and after a Cooper test (T-E). Urinary samples were analyzed for volume, Na (U-Na), Cl, K (U-K), urea, creatinine (U-creat), protein and osmolality (U-osm). Results: All 66 children (15 +/- 1 years) starting the program were included after informed consent (28 stopped prematurely). The Cooper test induced a significant weight loss at each test moment (p < 0.01). The resting U-K/(U-Na + U-K) % increased significantly from 40 (+/- 11) at T-1 to 50% (+/- 11) at T-2. Only in normal weight patients, exercise induced a significant increase in U-K/(U-Na + U-K) % (T-2 (R): 49 +/- 11; T-2(E): 56 +/- 12) (p < 0.01) as well as an increase in U-Na/U-creat mmol/mg (T-2 (R): 0.12 +/- 0.07; T-2(E): 0.1 +/- 0.05) (p < 0.05). Conclusion: The significant weight loss after exercise indicated significant dehydration. In patients with obesity, no aldosterone effect measured by U-K/(U-Na + U-K)% was observed in contrast to the normal body mass index patients after the program.
Keywords
Obesity, sport, renin-angiotensin aldosterone system, dehydration, residential slimming program, CHILDHOOD OBESITY, ENDOTHELIAL DYSFUNCTION, DEHYDRATION, PERFORMANCE, EXERCISE, EPIDEMIOLOGY, OVERWEIGHT, ADOLESCENT, BOYS

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Citation

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MLA
Baert, Judith, et al. “Influence of Physical Activity on Hydration State in Children with Obesity before and after a Weight Loss Program.” ACTA CLINICA BELGICA, vol. 74, no. 4, 2019, pp. 236–41.
APA
Baert, J., Van Biervliet, S., Van Biervliet, J.-P., Vande Walle, J., Bentin, F., De Graeve, L., … De Guchtenaere, A. (2019). Influence of physical activity on hydration state in children with obesity before and after a weight loss program. ACTA CLINICA BELGICA, 74(4), 236–241.
Chicago author-date
Baert, Judith, Stephanie Van Biervliet, Jean-Pierre Van Biervliet, Johan Vande Walle, Felicia Bentin, Liesl De Graeve, Doris Vandenbossche, and Ann De Guchtenaere. 2019. “Influence of Physical Activity on Hydration State in Children with Obesity before and after a Weight Loss Program.” ACTA CLINICA BELGICA 74 (4): 236–41.
Chicago author-date (all authors)
Baert, Judith, Stephanie Van Biervliet, Jean-Pierre Van Biervliet, Johan Vande Walle, Felicia Bentin, Liesl De Graeve, Doris Vandenbossche, and Ann De Guchtenaere. 2019. “Influence of Physical Activity on Hydration State in Children with Obesity before and after a Weight Loss Program.” ACTA CLINICA BELGICA 74 (4): 236–241.
Vancouver
1.
Baert J, Van Biervliet S, Van Biervliet J-P, Vande Walle J, Bentin F, De Graeve L, et al. Influence of physical activity on hydration state in children with obesity before and after a weight loss program. ACTA CLINICA BELGICA. 2019;74(4):236–41.
IEEE
[1]
J. Baert et al., “Influence of physical activity on hydration state in children with obesity before and after a weight loss program,” ACTA CLINICA BELGICA, vol. 74, no. 4, pp. 236–241, 2019.
@article{8591833,
  abstract     = {Objective: Evaluate the effect of a 1-year standardized residential slimming program on exercise-induced dehydration in children with obesity.
Method: At the start (T-1) and end (T-2) of the program, urine samples, weight, blood pressure and pulse were collected before (T (R)) and after a Cooper test (T-E). Urinary samples were analyzed for volume, Na (U-Na), Cl, K (U-K), urea, creatinine (U-creat), protein and osmolality (U-osm).
Results: All 66 children (15 +/- 1 years) starting the program were included after informed consent (28 stopped prematurely). The Cooper test induced a significant weight loss at each test moment (p < 0.01). The resting U-K/(U-Na + U-K) % increased significantly from 40 (+/- 11) at T-1 to 50% (+/- 11) at T-2. Only in normal weight patients, exercise induced a significant increase in U-K/(U-Na + U-K) % (T-2 (R): 49 +/- 11; T-2(E): 56 +/- 12) (p < 0.01) as well as an increase in U-Na/U-creat mmol/mg (T-2 (R): 0.12 +/- 0.07; T-2(E): 0.1 +/- 0.05) (p < 0.05).
Conclusion: The significant weight loss after exercise indicated significant dehydration. In patients with obesity, no aldosterone effect measured by U-K/(U-Na + U-K)% was observed in contrast to the normal body mass index patients after the program.},
  author       = {Baert, Judith and Van Biervliet, Stephanie and Van Biervliet, Jean-Pierre and Vande Walle, Johan and Bentin, Felicia and De Graeve, Liesl and Vandenbossche, Doris and De Guchtenaere, Ann},
  issn         = {1784-3286},
  journal      = {ACTA CLINICA BELGICA},
  keywords     = {Obesity,sport,renin-angiotensin aldosterone system,dehydration,residential slimming program,CHILDHOOD OBESITY,ENDOTHELIAL DYSFUNCTION,DEHYDRATION,PERFORMANCE,EXERCISE,EPIDEMIOLOGY,OVERWEIGHT,ADOLESCENT,BOYS},
  language     = {eng},
  number       = {4},
  pages        = {236--241},
  title        = {Influence of physical activity on hydration state in children with obesity before and after a weight loss program},
  url          = {http://dx.doi.org/10.1080/17843286.2018.1493167},
  volume       = {74},
  year         = {2019},
}

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