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    PDA-assisted low glycemic index dietary intervention for type II diabetes: a pilot study

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    Authors
    Ma, Yunsheng
    Olendzki, Barbara C.
    Chiriboga, David E.
    Rosal, Milagros C.
    Sinagra, E.
    Crawford, Sybil L.
    Hafner, Andrea R.
    Pagoto, Sherry L.
    Magner, Robert P.
    Ockene, Ira S.
    UMass Chan Affiliations
    Department of Medicine, Division of Cardiovascular Medicine
    Department of Medicine, Division of Preventive and Behavioral Medicine
    Document Type
    Journal Article
    Publication Date
    2006-10-19
    Keywords
    Adult
    Aged
    Blood Glucose
    *Computers, Handheld
    Diabetes Mellitus, Type 2
    Dietary Carbohydrates
    Female
    *Glycemic Index
    Hemoglobin A, Glycosylated
    Humans
    Male
    Middle Aged
    Pilot Projects
    Randomized Controlled Trials
    Treatment Outcome
    Community Health and Preventive Medicine
    Dietetics and Clinical Nutrition
    Life Sciences
    Medicine and Health Sciences
    Women's Studies
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    Link to Full Text
    http://dx.doi.org/10.1038/sj.ejcn.1602443
    Abstract
    BACKGROUND: Epidemiological and dietary intervention studies suggest that a low-glycemic index (GI) diet is beneficial for blood glucose control; however, long-term clinical utility of the low GI diet has not been fully investigated. OBJECTIVES: To evaluate the feasibility and efficacy of a nutritionist-delivered low-GI dietary intervention, with the support of a personal digital assistant (PDA), for adult patients with poorly controlled type II diabetes. METHOD: The low-GI intervention consisted of six counseling sessions and the use of a PDA-based food database with GI scores for 6 months. Study outcomes included feasibility measures, glycosylated hemoglobin levels (HbA1c), GI and glycemic load (GL) score of self-reported dietary intake, body weight, depression and quality of life (QOL). Measures were obtained at baseline, 3 and 6 months. RESULTS: Of 31 adult patients approached, 15 met study eligibility criteria and were enrolled in the study. Thirteen patients (87%) completed all study assessments. Findings included decreases in average HbA1c (-0.5% P = 0.02), body weight, hip circumference, blood pressure, dietary GI and daily caloric intake. Diabetes impact scores also decreased. All but one participant completed all components of the intervention. There were mixed reports regarding the usefulness of the PDAs; however, participants offered helpful suggestions for further development. CONCLUSIONS: Results of this pilot study support the feasibility of implementing a nutritionist-delivered, PDA-assisted low-GI dietary intervention for patients with poorly controlled type II diabetes. Encouraging initial efficacy data require further testing in the context of a randomized clinical trial.
    Source
    Eur J Clin Nutr. 2006 Oct;60(10):1235-43. Epub 2006 May 17. Link to article on publisher's website
    DOI
    10.1038/sj.ejcn.1602443
    Permanent Link to this Item
    http://hdl.handle.net/20.500.14038/50890
    PubMed ID
    16708066
    Related Resources
    Link to article in PubMed
    ae974a485f413a2113503eed53cd6c53
    10.1038/sj.ejcn.1602443
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