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Low-fat, high-carbohydrate (low-glycaemic index) diet induces weight loss and preserves lean body mass in obese healthy subjects: results of a 24-week study.

Abstract

BACKGROUND

The traditional treatment for obesity which is based on a reduced caloric diet has only been partially successful. Contributing factors are not only a poor long-term dietary adherence but also a significant loss of lean body mass and subsequent reduction in energy expenditure. Both low-fat, high-carbohydrate diets and diets using low-glycaemic index (GI) foods are capable of inducing modest weight loss without specific caloric restriction. The purpose of this study was to investigate the feasibility and medium-term effect of a low-fat diet with high (low GI) carbohydrates on weight loss, body composition changes and dietary compliance.

METHODS

Obese patients were recruited from two obesity outpatient clinics. Subjects were given advise by a dietician, then they attended biweekly for 1-hour group meetings. Bodyweight and body composition were measured at baseline and after 24 weeks.

RESULTS

One hundred and nine (91%) patients completed the study; after 24 weeks the average weight loss was 8.9 kg (98.6 vs. 89.7 kg; p < or = 0.0001). There was a significant 15% decrease in fat mass (42.5 vs. 36.4 kg; p < or = 0.0001) and a decrease in lean body mass of 5% (56.1 vs. 53.3 kg; p < or = 0.0001).

DISCUSSION

In this 6-month study, a low-fat, low-GI diet led to a significant reduction of fat mass; adherence to the diet was very good. Our results suggest that such a diet is feasible and should be evaluated in randomized controlled trials.

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  • Authors+Show Affiliations

    ,

    Department of Internal Medicine, State Hospital Muerzzuschlag, Grazerstrasse 63-65, A-8680 Muerzzuschlag, Austria. babak.bahadori@lkh-muerzzuschlag.at

    , , , ,

    Source

    Diabetes, obesity & metabolism 7:3 2005 May pg 290-3

    MeSH

    Adult
    Body Composition
    Dietary Carbohydrates
    Dietary Fats
    Female
    Follow-Up Studies
    Humans
    Male
    Middle Aged
    Obesity
    Patient Compliance
    Psychotherapy, Group
    Statistics, Nonparametric
    Weight Loss

    Pub Type(s)

    Clinical Trial
    Journal Article

    Language

    eng

    PubMed ID

    15811147

    Citation

    Bahadori, B, et al. "Low-fat, High-carbohydrate (low-glycaemic Index) Diet Induces Weight Loss and Preserves Lean Body Mass in Obese Healthy Subjects: Results of a 24-week Study." Diabetes, Obesity & Metabolism, vol. 7, no. 3, 2005, pp. 290-3.
    Bahadori B, Yazdani-Biuki B, Krippl P, et al. Low-fat, high-carbohydrate (low-glycaemic index) diet induces weight loss and preserves lean body mass in obese healthy subjects: results of a 24-week study. Diabetes Obes Metab. 2005;7(3):290-3.
    Bahadori, B., Yazdani-Biuki, B., Krippl, P., Brath, H., Uitz, E., & Wascher, T. C. (2005). Low-fat, high-carbohydrate (low-glycaemic index) diet induces weight loss and preserves lean body mass in obese healthy subjects: results of a 24-week study. Diabetes, Obesity & Metabolism, 7(3), pp. 290-3.
    Bahadori B, et al. Low-fat, High-carbohydrate (low-glycaemic Index) Diet Induces Weight Loss and Preserves Lean Body Mass in Obese Healthy Subjects: Results of a 24-week Study. Diabetes Obes Metab. 2005;7(3):290-3. PubMed PMID: 15811147.
    * Article titles in AMA citation format should be in sentence-case
    TY - JOUR T1 - Low-fat, high-carbohydrate (low-glycaemic index) diet induces weight loss and preserves lean body mass in obese healthy subjects: results of a 24-week study. AU - Bahadori,B, AU - Yazdani-Biuki,B, AU - Krippl,P, AU - Brath,H, AU - Uitz,E, AU - Wascher,T C, PY - 2005/4/7/pubmed PY - 2005/7/19/medline PY - 2005/4/7/entrez SP - 290 EP - 3 JF - Diabetes, obesity & metabolism JO - Diabetes Obes Metab VL - 7 IS - 3 N2 - BACKGROUND: The traditional treatment for obesity which is based on a reduced caloric diet has only been partially successful. Contributing factors are not only a poor long-term dietary adherence but also a significant loss of lean body mass and subsequent reduction in energy expenditure. Both low-fat, high-carbohydrate diets and diets using low-glycaemic index (GI) foods are capable of inducing modest weight loss without specific caloric restriction. The purpose of this study was to investigate the feasibility and medium-term effect of a low-fat diet with high (low GI) carbohydrates on weight loss, body composition changes and dietary compliance. METHODS: Obese patients were recruited from two obesity outpatient clinics. Subjects were given advise by a dietician, then they attended biweekly for 1-hour group meetings. Bodyweight and body composition were measured at baseline and after 24 weeks. RESULTS: One hundred and nine (91%) patients completed the study; after 24 weeks the average weight loss was 8.9 kg (98.6 vs. 89.7 kg; p < or = 0.0001). There was a significant 15% decrease in fat mass (42.5 vs. 36.4 kg; p < or = 0.0001) and a decrease in lean body mass of 5% (56.1 vs. 53.3 kg; p < or = 0.0001). DISCUSSION: In this 6-month study, a low-fat, low-GI diet led to a significant reduction of fat mass; adherence to the diet was very good. Our results suggest that such a diet is feasible and should be evaluated in randomized controlled trials. SN - 1462-8902 UR - https://www.unboundmedicine.com/medline/citation/15811147/Low_fat_high_carbohydrate__low_glycaemic_index__diet_induces_weight_loss_and_preserves_lean_body_mass_in_obese_healthy_subjects:_results_of_a_24_week_study_ L2 - https://doi.org/10.1111/j.1463-1326.2004.00445.x DB - PRIME DP - Unbound Medicine ER -