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- Title
Effects of a Self-Prepared Carbohydrate-Reduced High-Protein Diet on Cardiovascular Disease Risk Markers in Patients with Type 2 Diabetes.
- Authors
Alzahrani, Ahmad H.; Skytte, Mads J.; Samkani, Amirsalar; Thomsen, Mads N.; Astrup, Arne; Ritz, Christian; Frystyk, Jan; Holst, Jens J.; Madsbad, Sten; Haugaard, Steen B.; Krarup, Thure; Larsen, Thomas M.; Magkos, Faidon; Al-Mrabeh, Ahmad
- Abstract
We previously observed beneficial effects of a carbohydrate-reduced, high-protein (CRHP) diet on cardiovascular risk markers in patients with type 2 diabetes mellitus (T2DM) in a crossover 2 × 6-week trial, when all food was provided to subjects as ready-to-eat meals. Here, we report the results from a 6-month open label extension: 28 patients with T2DM were instructed to self-prepare the CRHP diet with dietetic guidance. At weeks 0, 6, 12, and 36, fasting and postprandial (4-h meal test) blood samples were collected for measurements of total, high-density lipoprotein (HDL) and low-density lipoprotein (LDL) cholesterol, triacylglycerol (TG), apolipoproteins A1 and B, non-esterified fatty acids (NEFA), C-reactive protein (CRP), tumor necrosis factor-α (TNF-α), and interleukin-6. Diurnal blood pressure and heart rate were also assessed. At the end of the study (week 36), concentrations of fasting total and LDL-cholesterol, fasting and postprandial NEFA and TG, and fasting apolipoprotein-B, CRP and TNF-α concentrations were significantly lower compared with week 0 (p < 0.05). A significant decrease in diurnal heart rate was also observed. From week 12 to 36, an increase in HDL-cholesterol and apolipoprotein-A1 concentrations and a further reduction in fasting and postprandial NEFA (p < 0.05) were found. These changes were independent of minor fluctuations in body weight. We conclude that the substitution of dietary carbohydrate for protein and fat has beneficial effects on several cardiovascular risk markers in patients with T2DM, which are maintained or augmented over the next 6 months when patients select and prepare the CRHP diet on their own in a dietitian-supported setting.
- Subjects
CARDIOVASCULAR diseases risk factors; BIOMARKERS; TRIGLYCERIDES; C-reactive protein; INTERLEUKINS; CONVENIENCE foods; LOW-carbohydrate diet; LOW density lipoproteins; TYPE 2 diabetes; HIGH-protein diet; APOLIPOPROTEINS; TUMOR necrosis factors; CROSSOVER trials; HIGH density lipoproteins; BLOOD pressure measurement
- Publication
Nutrients, 2021, Vol 13, Issue 5, p1694
- ISSN
2072-6643
- Publication type
Article
- DOI
10.3390/nu13051694