title: [Effect of a low-energy diet on body weight and body composition after one year treatment].
abstract: Implementation of a lowenergy diet is recommended for overweight and obesity treatment. However, some patients gain weight after successful body weight reduction achieved at the beginning. This study was aimed to evaluate body weight and body composition changes in subjects with BMI > or = 25 after 1 year of a low-energy diet. The study group consisted of 70 women, aged 47.3, BMI 37.5 kg/m2 and 25 men, aged 42.4, BMI 37.1 kg/m2. 1000 kcal diet was recommended for women and 1500 kcal diet for men. Body weight measurement and body composition assessment by BIA were performed at entry and every 2 months of the study. Subjects were divided in 2 groups: I--patients with body weight reduction achieved after 6 and 12 months of treatment (38 women, 16 men), II--subjects who lost weight in first 6 months and gained weight in the next 6 months (32 women, 9 men). After 1 year treatment averaged body weight reduction in women was 11.9% +/- 8.6, in men 13.9% +/- 8.3. In women from group I body weight decrement was 16.4 +/- 11.2 kg (15 +/- 9%), and in women from group II 7.5 +/- 7.7 kg, (8.1 +/- 6.7%), respectively. Men in group I lost 22 +/- 14.3 kg (16.7 +/- 8.7%), men in group II 8.8 +/- 5.3 kg (9 +/- 5.3%). 10% body weight reduction after 1 year was achieved in 29 women (41.4%) and in 16 men (64%). In group I changes of body weight in 6-12 months were related to body weight decrement in the first 6 months, in group II this correlation was not stated. Effect of treatment achieved in 6-12 months was not related to age. Implementation of a low energy diet resulted in body weight reduction, the goal of treatment--10% body weight decrement, was achieved in 41.4% women and in 64% men.
authors.affiliation: Poradnia Chorób Metabolicznych, Instytut Zywności i Zywienia, Warszawa. agrzybek@izz.waw.pl
authors.forename: Agnieszka
authors.initials: A
authors.lastname: Grzybek
authors.forename: Lucyna
authors.initials: L
authors.lastname: Pachocka
authors.forename: Urszula
authors.initials: U
authors.lastname: Targosz
authors.forename: Longina
authors.initials: L
authors.lastname: Kłosiewicz-Latoszek
mesh_terms: D000328:Adult; D000886:Anthropometry; D001823:Body Composition; D015992:Body Mass Index; D001835:Body Weight; D031204:Caloric Restriction / Q000379:methods*; D016022:Case-Control Studies; D004038:Diet, Reducing / Q000379:methods; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009765:Obesity / Q000178:diet therapy* / Q000503:physiopathology*; D009767:Obesity, Morbid / Q000178:diet therapy; D011044:Poland; D016896:Treatment Outcome; D015431:Weight Loss / Q000502:physiology