Original Article
European Journal of Clinical Nutrition (2009) 63, 127–133; doi:10.1038/sj.ejcn.1602902; published online 19 September 2007
Intake of soluble fibers has a protective role for the presence of metabolic syndrome in patients with type 2 diabetes
T Steemburgo1, V Dall'Alba1, J C Almeida1, T Zelmanovitz1, J L Gross1 and M J de Azevedo1
1Endocrine Division, Hospital de Clínicas de Porto Alegre, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
Correspondence: Dr MJ de Azevedo, Hospital de Clínicas de Porto Alegre, Rua Ramiro Barcelos, 2350 – Prédio 12 – 4° andar, Porto Alegre, RS 90035-003, Brazil. E-mail: mirelaazevedo@terra.com.br
Received 12 March 2007; Revised 17 June 2007; Accepted 6 August 2007; Published online 19 September 2007.
Abstract
Background/Objectives:
Dietary factors have been associated with metabolic syndrome (MS) in healthy individuals and specific ethnic groups. To evaluate possible associations of usual dietary factors with the presence of MS in patients with type 2 diabetes mellitus (DM).
Subjects/Methods:
In this cross-sectional study, 214 patients with type 2 DM without dietary counseling during previous 6 months were studied. After clinical and laboratory examinations, dietary intake was evaluated by 3-day weighed-diet records, whose reliability was confirmed by 24-h urinary nitrogen output. The presence of MS was defined according to International Diabetes Federation.
Results:
Patients with MS (n=174) had a lower intake of total (16.7
6.2 vs 19.56.5 g day-1; P=0.010) and soluble fibers (5.31.8 vs 6.02.7 g day-1; P=0.011) than patients without MS. In multiple logistic regression models, adjusted for gender and DM duration, variables associated with MS were soluble fibers (OR=0.86; 95% CI=0.74–0.98; P=0.046), soluble fibers from whole-grain foods (OR=0.43; 95% CI=0.25–0.76; P=0.002) and soluble fibers from fruits (OR=0.76; 95% CI=0.62–0.95; P=0.017). Whole-grain and fruits were the foods negatively associated with MS.
Conclusions:
The intake of soluble fibers, particularly from whole-grain foods and fruits, may have a protective role for the presence of MS in this selected sample of patients with type 2 DM.
Keywords:
diet, metabolic syndrome, dietary fiber, type 2 diabetes mellitus, whole-grain foods
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