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Efficacy of single-dose cholecalciferol in the blood pressure of patients with type 2 diabetes, hypertension and hypovitaminoses D.
de Paula, TP, Moreira, JSR, Sperb, LF, Muller, MEP, Steemburgo, T, Viana, LV
Scientific reports. 2020;(1):19611
Abstract
Observational and experimental data reinforce the concept that vitamin D is associated with the pathogenesis of arterial hypertension. We investigated the effect of a single dose of 100,000 IU of cholecalciferol, in office blood pressure (BP), and 24-h ambulatory blood pressure monitoring (ABPM) in patients with type 2 diabetes mellitus (DM), hypertension, and hypovitaminosis D. Forty-three patients were randomized to a placebo or cholecalciferol group. BP was assessed by office measurements and 24-h ABPM, before and after intervention. At week 8, a greater decrease in median ABPM values was observed in cholecalciferol supplementation than in the placebo group for systolic 24-h (- 7.5 vs. - 1; P = 0.02), systolic daytime (- 7 vs. - 1; P = 0.007), systolic nighttime (- 7.0 vs. 3; P = 0.009), diastolic 24-h (- 3.5 vs. - 1; P = 0.037), and daytime DBP (- 5 vs. 0; P = 0.01). Office DBP was also reduced after vitamin D supplementation. A single dose of vitamin D3 improves BP in patients with type 2 diabetes, hypertension, and vitamin D insufficiency, regardless of vitamin D normalization. Vitamin D supplementation could be a valuable tool to treat patients with type 2 DM, hypertension, and hypovitaminosis D.Trial registration: Clinicaltrials.gov NCT02204527.
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Accidental enteral feeding tube dislodgement with the use of a dedicated feeding tube attachment device versus adhesive tape as the securing method: a randomized clinical trial.
de Assis, MCS, Macedo, ABT, Gazal, CHA, Martins, CMBS, Viana, LV
Nutricion hospitalaria. 2019;(3):504-509
Abstract
Introduction: accidental dislodgement of enteral feeding tubes has been considered as an important quality indicator of the efficacy of enteral nutrition therapy. However, in clinical practice, the use of feeding tube attachment devices (FTADs), as an alternative to the traditional method of adhesive tape alone, has not yet been evaluated for its effectiveness in reducing inadvertent tube dislodgement. Objective: to evaluate the impact of using a dedicated FTAD compared with the traditional securing method with adhesive tape on the occurrence of accidental enteral feeding tube removal. Methods: a randomized clinical trial comparing two strategies for enteral feeding tube securement: use of traditional adhesive tape vs FTAD. The primary endpoint was the percentage of accidental enteral feeding tube dislodgement after randomization. Results: a total of 104 inpatients (mean age: 61.4 ± 17.5 years) were included (52 patients per group). Most were women with cerebrovascular disease (35.6%), diabetes (28.8%) and neoplasia (27.9%). There were 39 (37.5%) cases of accidental tube removal, 30.8% in the FTAD group and 44.2% in the adhesive tape group (p = 0.22). During follow-up, patients in the FTAD group received a mean of 60.0% of the volume of enteral nutrition prescribed, while patients in the adhesive tape group received 57.0% (p = 0.61). There was no difference in skin lesions between the groups. Conclusion: the strategy of using a dedicated FTAD as the method for securing enteral feeding tubes did not reduce the risk of accidental tube dislodgement compared with the traditional securing method with adhesive tape.
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Plasma glucose and insulin responses after consumption of breakfasts with different sources of soluble fiber in type 2 diabetes patients: a randomized crossover clinical trial.
de Carvalho, CM, de Paula, TP, Viana, LV, Machado, VM, de Almeida, JC, Azevedo, MJ
The American journal of clinical nutrition. 2017;(5):1238-1245
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Abstract
Background: The amount and quality of carbohydrates are important determinants of plasma glucose after meals. Regarding fiber content, it is unclear whether the intake of soluble fibers from foods or supplements has an equally beneficial effect on lowering postprandial glucose.Objective: The aim of our study was to compare the acute effect of soluble fiber intake from foods or supplements after a common meal on postprandial plasma glucose and plasma insulin in patients with type 2 diabetes (T2D).Design: A randomized crossover clinical trial was conducted in patients with T2D. Patients consumed isocaloric breakfasts (mean ± SD: 369.8 ± 9.4 kcal) with high amounts of fiber from diet food sources (total fiber: 9.7 g; soluble fiber: 5.4 g), high amounts of soluble fiber from guar gum supplement (total fiber: 9.1 g; soluble fiber: 5.4 g), and normal amounts of fiber (total fiber: 2.4 g; soluble fiber: 0.8 g). Primary outcomes were postprandial plasma glucose and insulin (0-180 min). Data were analyzed by repeated measures ANOVA and post hoc Bonferroni test.Results: A total of 19 patients [aged 65.8 ± 7.3 y; median (IQR), 10 (5-9) y of T2D duration; glycated hemoglobin 7.0% ± 0.8%; body mass index (in kg/m2) 28.2 ± 2.9] completed 57 meal tests. After breakfast, the incremental area under the curve (iAUC) for plasma glucose [mg/dL · min; mean (95% CI)] did not differ between high fiber from diet (HFD) [7861 (6257, 9465)] and high fiber from supplement (HFS) [7847 (5605, 10,090)] (P = 1.00) and both were lower than usual fiber (UF) [9527 (7549, 11,504)] (P = 0.014 and P = 0.037, respectively). iAUCs [μIU/mL · min; mean (95% CI)] did not differ (P = 0.877): HFD [3781 (2513, 5050)], HFS [4006 (2711, 5302), and UF [4315 (3027, 5603)].Conclusions: Higher fiber intake was associated with lower postprandial glucose at breakfast, and the intake of soluble fiber from food and supplement had a similar effect in patients with T2D. This trial was registered at clinicaltrials.gov as NCT02204384.
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Effects of the DASH Diet and Walking on Blood Pressure in Patients With Type 2 Diabetes and Uncontrolled Hypertension: A Randomized Controlled Trial.
Paula, TP, Viana, LV, Neto, AT, Leitão, CB, Gross, JL, Azevedo, MJ
Journal of clinical hypertension (Greenwich, Conn.). 2015;(11):895-901
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Abstract
Data on the potential beneficial effects of combining diet and exercise on blood pressure (BP) are still scarce. A 4-week randomized controlled clinical trial was undertaken in 40 hypertensive patients with type 2 diabetes with uncontrolled blood pressure (BP) in office and daytime ambulatory BP monitoring (ABPM). Patients were assigned to follow a Dietary Approaches to Stop Hypertension (DASH) diet associated with advice to increase walking using a pedometer (intervention group) or a diet based on the American Diabetes Association recommendations (control group). The lifestyle intervention caused a greater ABPM (mm Hg) reduction in systolic 24-hour, diastolic 24-hour, nighttime systolic, daytime systolic, and daytime diastolic measurements than observed in the control group. In the intervention group there was a decrease in urinary sodium and an increase in urinary potassium, plasma aldosterone, and the number of steps per day (P<.05). The DASH diet and increased walking were associated with clinically significant reductions in ABPM values in hypertensive patients with type 2 diabetes.