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Effect of a low glycaemic index diet on blood glucose in women with gestational hyperglycaemia.
MedLine Citation:
PMID:  21094553     Owner:  NLM     Status:  In-Process    
Abstract/OtherAbstract:
AIM: the objectives of this pilot study were to determine the feasibility and effect on glycaemic control of a low-glycaemic-index (GI) diet in women with gestational diabetes or impaired glucose tolerance of pregnancy.
METHODS: participants, recruited from the Diabetes-in-Pregnancy Clinic of an inner-city teaching hospital serving a predominantly non-Caucasian population, were randomized to a low-GI (n=23) or control (n=24) diet and followed from 28 weeks gestation until delivery. Self-monitored-blood-glucose (SMBG), maternal and infant weight were collected from medical charts. Dietary intakes were assessed using diet records and questionnaires.
RESULTS: diet GI on control (58, 95% CI: 56,60) was significantly higher than on low-GI (49, 95% CI: 47,51; p=0.001). Glycaemic control improved on both diets, but more postprandial glucose values were within target on low-GI (58.4% of n=1891) than control (48.7% of n=1834; p<0.001). SMBG post-breakfast was directly related to pre-pregnancy BMI in the control, but not the low-GI group (BMI*diet interaction; p=0.021). Participants accepted the study foods and were willing to consume them post-intervention.
CONCLUSIONS: a low-GI diet was feasible and acceptable in this sample and facilitated control of postprandial glucose. A larger study is needed to determine the effect of a low-GI diet on maternal and infant outcomes.
Authors:
Shannan M Grant; Thomas M S Wolever; Deborah L O'Connor; Rosane Nisenbaum; Robert G Josse
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't     Date:  2010-11-20
Journal Detail:
Title:  Diabetes research and clinical practice     Volume:  91     ISSN:  1872-8227     ISO Abbreviation:  Diabetes Res. Clin. Pract.     Publication Date:  2011 Jan 
Date Detail:
Created Date:  2010-12-28     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8508335     Medline TA:  Diabetes Res Clin Pract     Country:  Ireland    
Other Details:
Languages:  eng     Pagination:  15-22     Citation Subset:  IM    
Copyright Information:
2010. Published by Elsevier Ireland Ltd.
Affiliation:
Department of Nutritional Sciences, University of Toronto, 150 College Street, Toronto, Ontario, M5S 3E2, Canada. shannan.grant@utoronto.ca
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