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Purpose This observational study aimed to examine the relationship between three plant-based diet (PBD) indices and the risk of all-cause and cardiovascular disease (CVD) mortality in patients with sarcopenia. Methods Adults with sarcopenia from the 1999–2006 and 2011–2018 National Health and Nutrition Examination Survey were included. A total plant-based diet index (PDI), a healthful PDI (hPDI) and an unhealthful PDI (uPDI) were created based on 17 food groups and were assessed for their associations with all-cause and CVD mortality risk using Cox proportional hazards regression models, restricted cubic spine analysis, and interaction analysis. Results A total of 684 (222 from CVD) deaths were documented in 2218 participants (mean age 51.36 years; 53.90% men) during a median follow-up of 117 months. Compared with the lowest quartile, the hazard ratios (HR) and 95% confidence intervals (CI) for all-cause mortality in the highest quartile were 0.49 (0.33–0.75) for total PDI, 0.27 (0.19–0.39) for hPDI, and 1.85 (1.30–2.65) for uPDI. Similarly, for CVD mortality, the HRs and 95% CIs in the highest quartile were 0.29 (0.12–0.69) for total PDI, 0.30 (0.18–0.50) for hPDI, and 2.65 (1.21–5.77) for uPDI, compared to the lowest quartile. The protective associations of hPDI with all-cause and CVD mortality were more pronounced in participants younger than 45 years. Conclusion Higher adherence to PDI and hPDI is associated with a lower risk of all-cause and CVD mortality, whereas higher adherence to uPDI is linked to an increased risk of mortality in US adults with sarcopenia.

Metabolic syndrome is a cluster of metabolic risk factors, characterized by abdominal obesity, dyslipidemia, low levels of high-density lipoprotein cholesterol (HDL-c), hypertension, and insulin resistance. Lifestyle modifications, especially dietary habits, are the main therapeutic strategy for the treatment and management of metabolic syndrome, but the most effective dietary pattern for its management has not been established. Specific dietary modifications, such as improving the quality of the foods or changing macronutrient distribution, showed beneficial effects on metabolic syndrome conditions and individual parameters. On comparing low-fat and restricted diets, the scientific evidence supports the use of the Mediterranean Dietary Approaches to Stop Hypertension (DASH) diet intervention as the new paradigm for metabolic syndrome prevention and treatment. The nutritional distribution and quality of these healthy diets allows health professionals to provide easy-to-follow dietary advice without the need for restricted diets. Nonetheless, energy-restricted dietary patterns and improvements in physical activity are crucial to improve the metabolic disturbances observed in metabolic syndrome patients.

Background Following a plant-based diet is associated with a wide range of health benefits. The current study aimed to investigate the association between plant-based diet indices, specifically the plant-based diet index (PDI), healthful PDI (hPDI), and unhealthful PDI (uPDI) and risk of mortality in cirrhotic patients. Methods This cohort study included a total of 121 patients with cirrhosis, who were followed for four years. Plant-based diet indices were calculated based on a validated semi-quantitative food frequency questionnaire consisting of 168 items. The Hazard ratio (HR) with their corresponding 95% confidence intervals (CIs) were estimated using the Cox proportional risk models. Results During 414 person-year of follow-up, 43 deaths (7 women, 36 men) were documented. After adjusting all confounders, it has been found that the PDI (HR T3 vs. T1 = 0.16, 95% CI = 0.03–0.89, P trend = 0.024) and hPDI (HR T3 vs. T1 = 0.04, 95% CI = 0.02–0.61, P trend = 0.020) were inversely associated with the risk of mortality. While uPDI was directly associated with a significant increase in mortality risk (HR T3 vs. T1 = 8.74, 95% CI = 0.33–17.14, P trend = 0.018). The 4-year survival rate among patients showed a significant relationship with all three indices. Conclusions Our findings highlight that higher scores of PDI and hPDI can significantly reduce the risk of mortality in patients with cirrhosis, while a significant increase in mortality risk was found in those with higher uPDI. However, confirmation of these findings requires further studies.

Purpose Investigate the associations of ultra-processed foods (UPF) in healthful (hPDI) and unhealthful (uPDI) plant-based diets with all-cause mortality, greenhouse gas emissions (GHGE), and blue water consumption (BWC). Methods Analyses were based on 35,030 participants (20–70 years; 74% females) from the EPIC-NL cohort who were followed up from 1993 to 1997 through 2014. Plant-based diet indices (hPDI and uPDI) and UPF consumption were calculated from a validated FFQ, assessed at baseline. Cox proportional hazard and multiple linear regression models were used to estimate associations between combined quartiles of the PDI indices and UPF consumption. Results With lower hPDI and higher UPF diets as the reference, we observed the following. Risk estimates of all-cause mortality were 0.98 (95% CI: 0.83, 1.16) for lower UPF consumption, 0.86 (95% CI: 0.68, 1.08) for higher hPDI, and 0.78 (95% CI: 0.66, 0.89) for combined higher hPDI and lower UPF consumption. Results with the uPDI were inconclusive. Mean differences in GHGE and BWC were 1.4% (95% CI: 0.3, 2.4) and 1.6% (95% CI: -0.5, 3.7) for lower UPF consumption, -7.4% (95% CI: -8.6, -6.4) and 9.6% (95% CI: 7.2, 12.0) for higher hPDI, and − 6.8% (95% CI: -7.4, -6.1) and 13.1% (95% CI: 11.6, 14.8) for combined higher hPDI and lower UPF consumption. No apparent conflict between environmental impacts was observed for the uPDI; GHGE and BWC were lower for higher uPDI scores. Conclusion Mortality risk and environmental impacts were mostly associated with the amount of plant-based foods and to a lesser extent UPF in the diet. Shifting to a more healthful plant-based diet could improve human health and reduce most aspects of environmental impact (GHGE, but not BWC) irrespective of UPF consumption.

Studies demonstrate that consuming plant-based diets has beneficial effects on several health outcomes. However, the evaluation of the healthiness of plant-based diets and the incidence of hypertension has still been little explored in the literature. Objectives: Thus, this study aimed to evaluate the association between plant-based diet indices and the incidence of hypertension in Brazilian adults and test whether the interaction between hPDI, sociodemographic, and lifestyle variables modifies this association. Methods: This longitudinal study included 3192 (F = 2125, average age 34 years) participants from the Cohort of Universities of Minas Gerais (CUME Study, Brazil, 2016-2022). Dietary intakes were assessed using a validated food frequency questionnaire. We measured three plant-based diet indices: overall plant-based diet index (PDI), healthful plant-based diet index (hPDI), and unhealthful plant-based diet index (uPDI). Participants were classified as new cases of hypertension if they were free of this disease at baseline, had a systolic blood pressure ≥ 140 mmHg, a diastolic blood pressure ≥90 mmHg, were using antihypertensive medications, or had a diagnosis of hypertension by a physician in at least one of the follow-ups. Crude and adjusted Cox regression models were used to evaluate the relationship between plant-based diet indices and hypertension incidence and a multiplicative interaction was tested. Results: The incidence of hypertension was 19,8/1000 person-years total. The mean follow-up time was 3.36 years. There was an inverse association between the highest quintiles of hPDI (HR = 0.56, 95% CI = 0.37–0.86; HR = 0.55, 95% CI = 0.35–0.88) and hypertension. In subgroup analysis, inverse associations between hPDI and hypertension risk were stronger in participants who were insufficiently active and overweight (p-interaction < 0.05). Conclusion: Greater consumption of healthful plant foods, reduced consumption of animal-source foods, and less consumption of unhealthful plant foods are important for hypertension prevention in the Brazilian population. •Adherence to a healthy plant-based diet is associated with a lower risk of hypertension.•It involves greater consumption of whole grains, fruits, vegetables, nuts and legumes.•Implies lower consumption of fruit juices, refined grains, potatoes, sugary drinks, and sweets.•It implies less consumption of all foods of animal origin.•Insufficiently active or overweight individuals may be more likely to benefit from its consumption.

Convincing evidence supports the intake of specific food components, food groups, or whole dietary patterns to positively influence dyslipidemia and to lower risk of cardiovascular diseases (CVD). Specific macro- and micro-components of a predominantly plant-based dietary pattern are vegetable fats, dietary fibers, and phytonutrients such as phytosterols. This review summarizes the current knowledge regarding effects of these components on lowering blood lipids, i.e., low-density lipoprotein cholesterol (LDL-C) and on reducing CVD risk. The beneficial role of a plant-based diet on cardiovascular (CV) health has increasingly been recognized. Plant-based dietary patterns include a Mediterranean and Nordic diet pattern, the dietary approaches to stop hypertension (DASH), and Portfolio diet, as well as vegetarian- or vegan-type diet patterns. These diets have all been found to lower CVD-related risk factors like blood LDL-C, and observational study evidence supports their role in lowering CVD risk. These diet patterns are not only beneficial for dyslipidemia management and prevention of CVD but further contribute to reducing the impact of food choices on environmental degradation. Hence, the CV health benefits of a predominantly plant-based diet as a healthy and environmentally sustainable eating pattern are today recommended by many food-based dietary as well as clinical practice guidelines.

Cardiovascular diseases (CVD) are the leading cause of morbidity and mortality in the U.S. and globally. Dietary risk factors contribute to over half of all CVD deaths and CVD-related disability. The aim of this narrative review is to describe methods used to assess diet quality and the current state of evidence on the relationship between diet quality and risk of CVD. The findings of the review will be discussed in the context of current population intake patterns and dietary recommendations. Several methods are used to calculate diet quality: (1) a priori indices based on dietary recommendations; (2) a priori indices based on foods or dietary patterns associated with risk of chronic disease; (3) exploratory data-driven methods. Substantial evidence from prospective cohort studies shows that higher diet quality, regardless of the a priori index used, is associated with a 14–29% lower risk of CVD and 0.5–2.2 years greater CVD-free survival time. Limited evidence is available from randomized controlled trials, although evidence shows healthy dietary patterns improve risk factors for CVD and lower CVD risk. Current dietary guidance for general health and CVD prevention and management focuses on following a healthy dietary pattern throughout the lifespan. High diet quality is a unifying component of all dietary recommendations and should be the focus of national food policies and health promotion.

Background: A high-calorie diet results in the development of prediabetes (PD) or type 2 diabetes mellitus (T2DM). This diet has been reported to cause changes in microbial composition, concentration levels of glycemic parameters, and immune cells or inflammatory cytokines. This systematic review and meta-analysis aimed to evaluate the effects of prebiotics, as well as Mediterranean and plant-based dietary interventions, on gut microbiota composition and glucose homeostasis in individuals with PD or T2D. Methods: This systematic review and meta-analysis was developed according to the 2020 PRISMA guidelines and checklist. PubMed, EBSCOhost and Google Scholar were the three databases that were used to search for electronically published studies. Data extraction was conducted and examined by the reviewers and all the eligible studies were selected. To test for the quality and biases of the included studies, the Downs and Black checklist was used, followed by the use of Review Manager 5.4. A forest plot was used for meta-analysis and sensitivity analysis. The strength of the evidence was assessed using the Grading of Recommendation Assessment, Development and Evaluation approach. Results: Overall, eight studies met the inclusion criteria: seven focused on patients with T2D, and one focused on patients with PD. The prebiotic dietary intervention did not have a statistically significant effect on glycemic control, including fasting blood glucose (FBG) and glycated hemoglobin (HbA1c). However, one study investigating the Mediterranean diet reported a significant effect on glycemic control. Both prebiotic and Mediterranean dietary interventions were found to beneficially influence gut microbial composition in the intervention groups compared to the placebo groups. No studies assessed the impact of a plant-based diet on microbial composition and glucose parameters. Conclusions: This review indicated that dietary intervention with a prebiotic or Mediterranean diet shows to beneficially improve the gut microbiota composition of Firmicutes, Bacteroidetes and Bifidobacteria in patients with PD or T2D. However, their beneficial effects on FBG and HbA1c were less clear and uncertain due to limited reports, particularly regarding the Mediterranean dietary intervention.

The ways in which particular variations in diet influence health and the course of disease remain largely undefined. The authors review the spectrum of types of diet and describe some attributes of the various types.

Chronic kidney disease affects ~37 million adults in the US, and it is often undiagnosed due to a lack of apparent symptoms in early stages. Chronic kidney disease (CKD) interferes with the body’s physiological and biological mechanisms, such as fluid electrolyte and pH balance, blood pressure regulation, excretion of toxins and waste, vitamin D metabolism, and hormonal regulation. Many CKD patients are at risk of hyperkalemia, hyperphosphatemia, chronic metabolic acidosis, bone deterioration, blood pressure abnormalities, and edema. These risks may be minimized, and the disease’s progression may be slowed through careful monitoring of protein, phosphorus, potassium, sodium, and calcium, relieving symptoms experienced by CKD patients. In this review, the current Kidney Disease Outcomes Quality Initiative (KDOQI) recommendations are highlighted, reflecting the 2020 update, including explanations for the pathophysiology behind the recommendations. The Dietary Approaches to Stop Hypertension, the Mediterranean diet, and the whole foods plant-based diet are currently being examined for their potential role in delaying CKD progression. Biological explanations for why the whole foods plant-based diet may benefit CKD patients compared to diets that include animal products are examined. Strong evidence continues to support the importance of diet meeting the daily requirement in the prevention and progression of kidney disease, and medical nutrition therapy with a registered dietitian is a critical aspect in medical intervention for CKD.