Excessive meat consumption, especially red and processed meats, is associated with increased morbidity and mortality. The pattern of meat consumption varies in Brazil and is influenced by economic and cultural factors in the world. The study aimed to analyze the consumption of meat by adults and the elderly in a city colonized by Germans in the south of Brazil. It involved a cross-sectional population study. Sociodemographic and meat consumption data were collected using a previously validated Food Frequency Questionnaire. Frequencies and amounts were analyzed by type of meat and processing. The association between excessive meat consumption and the study variables was estimated by Prevalence Ratio. Among the 1,941 participants, the average amount of meat consumed was 250 g/day, the most consumed being white unprocessed meat (138 g/day), especially poultry (80 g/day). The prevalence of excessive consumption of red and processed meat (more than 500 g/week) was 63%, mainly among men (PR=1.6; 95%CI 1.5-1.8), aged 20 to 29 years (PR=1.4; 95%CI 1.2-1.5), and higher economic class (PR=1.2; 95%CI 1.0-1.3). Excessive consumption of red and processed meat among young men of upper economic class should be the target of public health actions for the adequacy of food consumption.O consumo excessivo de carnes, em especial as vermelhas e processadas, está associado ao aumento da morbi-mortalidade. O padrão de consumo de carnes varia no Brasil e no mundo influenciado por fatores econômicos e culturais. O estudo buscou analisar o consumo de carnes por adultos e idosos de uma cidade de colonização alemã do sul do Brasil. Trata-se de estudo populacional seccional. Foram coletados dados sociodemográficas e de consumo de carne por Questionário de Frequência Alimentar previamente validado. Foram analisadas as frequências, e as quantidades por tipo de carne e processamento. A associação entre o consumo excessivo de carne e as variáveis de estudo foi estimada por Razão de Prevalência. Entre os 1.941 participantes, a média de carne consumida foi de 250 g/dia, sendo a carne não processada branca (138 g/dia) a mais consumida, com destaque para as aves (80 g/dia). A prevalência de consumo excessivo de carne vermelha e processada (mais que 500 g/semana) foi de 63%, principalmente entre os homens (RP=1,6; IC95% 1,5-1,8), de 20 a 29 anos (RP=1,4; IC95% 1,2-1,5), e mais alta classe econômica (RP=1,2; IC95% 1,0-1,3). O consumo excessivo de carne vermelha e processada entre homens jovens de classe econômica alta deve ser alvo de ações de saúde pública para a adequação no consumo alimentar.
Abstract Background: Lipid accumulation product (LAP), a simple and low-cost tool, is a novel biomarker of central lipid accumulation and represents a potential surrogate marker for atherogenic lipoprotein profile. However, its association with lipoprotein subfractions has not been described in the literature. Objective: To determine whether LAP index could be used as a marker of low- and high-density lipoprotein (LDL and HDL) size in Brazilian individuals. Methods: This cross-sectional study included patients (n = 351) of both sexes and age between 30-74 years. Clinical and sociodemographic data and family history of diseases were evaluated. Lipoprotein size, and levels of total cholesterol (TC), lipoproteins, apolipoprotein AI and B (APO AI/APO B), glucose, insulin, insulin resistance index (HOMA-IR) and non-esterified fatty acids (NEFA) were assessed in blood samples. LAP was calculated by the formulas [(waist circumference[cm]-58) × (triglycerides[mmol/L]) for women and (waist circumference [cm]-65) × (triglycerides [mmol/L]) for men]. The association between LAP and metabolic parameters were tested by linear trend (general linear model, GLM test) before and after multiple adjustments for potential confounders (sex, age, smoking, statin, fibrate, and hypoglycemic drugs) at significant level p < 0.05. Results: LAP was positively associated with TC, APO B, NEFA, glucose, insulin and HOMA-IR values, and negatively associated with HDL-C. Higher central lipid accumulation was corelated with higher percentage of intermediate HDL and of small LDL and HDL and less amount of large HDL. LDL size was also reduced in greater LAP index values. The negative impact of LAP was maintained after adjustment for multiple variables. Conclusion: LAP was robustly associated with atherogenic profile of lipoprotein subfractions, independently of multiple confounders.
Abstract Introduction Patients with psoriatic arthritis have some lipid metabolism changes and higher risk of metabolic syndrome (MetS) and cardiovascular diseases, regardless of traditional risk factors, suggesting that chronic inflammation itself plays a central role concerning the atherosclerosis. However, there is a lack of information regarding atherogenic pattern and lipoprotein subfractions burden in these individuals. Aim To evaluate the HDL and LDL-cholesterol plasmatic levels and their subfractions after a nutritional intervention in patients with psoriatic arthritis (PsA). Methods This was a randomized, placebo-controlled clinical trial of a 12-week nutritional intervention. PsA patients were randomly assigned to 1-Placebo: 1 g of soybean oil daily, no dietetic intervention; 2-Diet + Supplementation: an individualized diet, supplemented with 604 mg of omega-3 fatty acids, three times a day; and 3-Diet + Placebo: individualized diet + 1 g of soybean oil. The LDL subfractions were classified as non-atherogenic (NAth), atherogenic (Ath) or highly atherogenic (HAth), whereas the HDL subfractions were classified as small, medium, or large particles, according to the current recommendation based on lipoproteins electrophoresis. Results A total of 91 patients were included in the study. About 62% of patients ( n = 56) had an Ath or HAth profile and the main risk factors associated were male gender, longer skin disease duration and higher BMI. Thirty-two patients (35%) had a high-risk lipoprotein profile despite having LDL plasmatic levels below 100 mg/dL. The 12-week nutritional intervention did not alter the LDL subfractions. However, there were significant improvement of HDL subfractions. Conclusion Recognizing the pro-atherogenic subfractions LDL pattern could be a relevant strategy for identifying PsA patients with higher cardiovascular risk, regardless total LDL plasmatic levels and disease activity. In addition, a short-term nutritional intervention based on supervised and individualized diet added to omega-3 fatty acids changed positively the HDL LARGE subfractions, while LDL LARGE subfraction was improved in hypercholesterolemic individuals. ClinicalTrials.gov identifier: NCT03142503 ( http://www.clinicaltrials.gov/ ).
It is suggested that the progression of chronic kidney disease (CKD), proteinuria, and replacement therapy influence the derangement of the lipoproteins metabolism. These factors affect the composition and functionality of lipoproteins, including their subfractions. Given the importance of cardiovascular disease in patients with CKD, several nutritional strategies have been proposed to improve this outcome, such as resistant starch (RS) supplementation. However, to the best of our knowledge, no study has evaluated the effect of the consumption of RS on high-density lipoprotein (HDL) and lowdensity lipoprotein (LDL) subfractions.