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      Transcultural Diabetes Nutrition Algorithm: A Malaysian Application

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          Abstract

          Glycemic control among patients with prediabetes and type 2 diabetes mellitus (T2D) in Malaysia is suboptimal, especially after the continuous worsening over the past decade. Improved glycemic control may be achieved through a comprehensive management strategy that includes medical nutrition therapy (MNT). Evidence-based recommendations for diabetes-specific therapeutic diets are available internationally. However, Asian patients with T2D, including Malaysians, have unique disease characteristics and risk factors, as well as cultural and lifestyle dissimilarities, which may render international guidelines and recommendations less applicable and/or difficult to implement. With these thoughts in mind, a transcultural Diabetes Nutrition Algorithm (tDNA) was developed by an international task force of diabetes and nutrition experts through the restructuring of international guidelines for the nutritional management of prediabetes and T2D to account for cultural differences in lifestyle, diet, and genetic factors. The initial evidence-based global tDNA template was designed for simplicity, flexibility, and cultural modification. This paper reports the Malaysian adaptation of the tDNA, which takes into account the epidemiologic, physiologic, cultural, and lifestyle factors unique to Malaysia, as well as the local guidelines recommendations.

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          Epidemic obesity and type 2 diabetes in Asia.

          The proportions of people with type 2 diabetes and obesity have increased throughout Asia, and the rate of increase shows no sign of slowing. People in Asia tend to develop diabetes with a lesser degree of obesity at younger ages, suffer longer with complications of diabetes, and die sooner than people in other regions. Childhood obesity has increased substantially and the prevalence of type 2 diabetes has now reached epidemic levels in Asia. The health consequences of this epidemic threaten to overwhelm health-care systems in the region. Urgent action is needed, and advocacy for lifestyle changes is the first step. Countries should review and implement interventions, and take a comprehensive and integrated public-health approach. At the level of primary prevention, such programmes can be linked to other non-communicable disease prevention programmes that target lifestyle-related issues. The cost of inaction is clear and unacceptable.
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            Physical activity advice only or structured exercise training and association with HbA1c levels in type 2 diabetes: a systematic review and meta-analysis.

            Regular exercise improves glucose control in diabetes, but the association of different exercise training interventions on glucose control is unclear. To conduct a systematic review and meta-analysis of randomized controlled clinical trials (RCTs) assessing associations of structured exercise training regimens (aerobic, resistance, or both) and physical activity advice with or without dietary cointervention on change in hemoglobin A(1c) (HbA(1c)) in type 2 diabetes patients. MEDLINE, Cochrane-CENTRAL, EMBASE, ClinicalTrials.gov, LILACS, and SPORTDiscus databases were searched from January 1980 through February 2011. RCTs of at least 12 weeks' duration that evaluated the ability of structured exercise training or physical activity advice to lower HbA(1c) levels as compared with a control group in patients with type 2 diabetes. Two independent reviewers extracted data and assessed quality of the included studies. Of 4191 articles retrieved, 47 RCTs (8538 patients) were included. Pooled mean differences in HbA(1c) levels between intervention and control groups were calculated using a random-effects model. Overall, structured exercise training (23 studies) was associated with a decline in HbA(1c) level (-0.67%; 95% confidence interval [CI], -0.84% to -0.49%; I(2), 91.3%) compared with control participants. In addition, structured aerobic exercise (-0.73%; 95% CI, -1.06% to -0.40%; I(2), 92.8%), structured resistance training (-0.57%; 95% CI, -1.14% to -0.01%; I(2), 92.5%), and both combined (-0.51%; 95% CI, -0.79% to -0.23%; I(2), 67.5%) were each associated with declines in HbA(1C) levels compared with control participants. Structured exercise durations of more than 150 minutes per week were associated with HbA(1c) reductions of 0.89%, while structured exercise durations of 150 minutes or less per week were associated with HbA(1C) reductions of 0.36%. Overall, interventions of physical activity advice (24 studies) were associated with lower HbA(1c) levels (-0.43%; 95% CI, -0.59% to -0.28%; I(2), 62.9%) compared with control participants. Combined physical activity advice and dietary advice was associated with decreased HbA(1c) (-0.58%; 95% CI, -0.74% to -0.43%; I(2), 57.5%) as compared with control participants. Physical activity advice alone was not associated with HbA(1c) changes. Structured exercise training that consists of aerobic exercise, resistance training, or both combined is associated with HbA(1c) reduction in patients with type 2 diabetes. Structured exercise training of more than 150 minutes per week is associated with greater HbA(1c) declines than that of 150 minutes or less per week. Physical activity advice is associated with lower HbA(1c), but only when combined with dietary advice.
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              Effects of aerobic and resistance training on hemoglobin A1c levels in patients with type 2 diabetes: a randomized controlled trial.

              Exercise guidelines for individuals with diabetes include both aerobic and resistance training although few studies have directly examined this exercise combination. To examine the benefits of aerobic training alone, resistance training alone, and a combination of both on hemoglobin A(1c) (HbA(1c)) in individuals with type 2 diabetes. A randomized controlled trial in which 262 sedentary men and women in Louisiana with type 2 diabetes and HbA(1c) levels of 6.5% or higher were enrolled in the 9-month exercise program between April 2007 and August 2009. Forty-one participants were assigned to the nonexercise control group, 73 to resistance training 3 days a week, 72 to aerobic exercise in which they expended 12 kcal/kg per week; and 76 to combined aerobic and resistance training in which they expended 10 kcal/kg per week and engaged in resistance training twice a week. Main Outcome Change in HbA(1c) level. Secondary outcomes included measures of anthropometry and fitness. The study included 63.0% women and 47.3% nonwhite participants who were a mean (SD) age of 55.8 years (8.7 years) with a baseline HbA(1c) level of 7.7% (1.0%). Compared with the control group, the absolute mean change in HbA(1c) in the combination training exercise group was -0.34% (95% confidence interval [CI], -0.64% to -0.03%; P = .03). The mean changes in HbA(1c) were not statistically significant in either the resistance training (-0.16%; 95% CI, -0.46% to 0.15%; P = .32) or the aerobic (-0.24%; 95% CI, -0.55% to 0.07%; P = .14) groups compared with the control group. Only the combination exercise group improved maximum oxygen consumption (mean, 1.0 mL/kg per min; 95% CI, 0.5-1.5, P < .05) compared with the control group. All exercise groups reduced waist circumference from -1.9 to -2.8 cm compared with the control group. The resistance training group lost a mean of -1.4 kg fat mass (95% CI, -2.0 to -0.7 kg; P < .05) and combination training group lost a mean of -1.7 (-2.3 to -1.1 kg; P < .05) compared with the control group. Among patients with type 2 diabetes mellitus, a combination of aerobic and resistance training compared with the nonexercise control group improved HbA(1c) levels. This was not achieved by aerobic or resistance training alone. clinicaltrials.gov Identifier: NCT00458133.
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                Author and article information

                Journal
                Int J Endocrinol
                Int J Endocrinol
                IJE
                International Journal of Endocrinology
                Hindawi Publishing Corporation
                1687-8337
                1687-8345
                2013
                9 December 2013
                : 2013
                : 679396
                Affiliations
                1Department of Medicine, Hospital Putrajaya, Pusat Pentadbiran Kerajaan Persekutuan, Presint 7, 62250 Putrajaya, Malaysia
                2Division of Endocrinology, Diabetes and Metabolism, Joslin Diabetes Center, Harvard Medical School, Boston, MA 02215, USA
                3Department of Medicine, University Malaya Medical Centre, Kuala Lumpur, Malaysia
                4Department of Medicine, Hospital Pulau Pinang, Penang, Malaysia
                5Department of Medicine, Hospital Tengku Ampuan Rahimah, Selangor, Malaysia
                6Family Medicine, Putrajaya Health Clinic, Putrajaya, Malaysia
                7Department of Health Care, International Medical University, Kuala Lumpur, Malaysia
                8Department of Dietetics and Food Services, Hospital Kuala Lumpur, Kuala Lumpur, Malaysia
                9Department of Nutrition and Dietetics, University Putra Malaysia, Selangor, Malaysia
                10Department of Nutrition and Dietetics, International Medical University, Kuala Lumpur, Malaysia
                11Preventive Medicine and Community Health, University of Medicine and Dentistry of New Jersey, Newark, NJ 07101, USA
                12Abbott Nutrition, Columbus, OH 43219, USA
                13Division of Endocrinology, Diabetes, and Bone Disease, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
                Author notes

                Academic Editor: Patrizio Tatti

                Author information
                http://orcid.org/0000-0003-0217-3282
                http://orcid.org/0000-0003-2147-0952
                Article
                10.1155/2013/679396
                3872099
                24385984
                4a065511-9be6-4da2-b5d5-1459346f4c4d
                Copyright © 2013 Zanariah Hussein et al.

                This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

                History
                : 27 June 2013
                : 27 September 2013
                Categories
                Review Article

                Endocrinology & Diabetes
                Endocrinology & Diabetes

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