Publications by authors named "Mahdieh Golzarand"

Article Synopsis
  • * Overall, no significant benefits of LCD on mood, depression, anxiety, QoL, or memory speed were found, but some improvements in QoL were noted for individuals consuming at least 15% of their energy from carbohydrates and for longer trial follow-ups.
  • * Interestingly, while LCD improved QoL for patients with neurological disorders, it was associated with a decline in memory speed for adults over 55 and those also consuming more carbohydrates.
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The incidence of hypertension (HTN) and consumption of ultra-processed foods are increasing worldwide. However, only a limited amount of research has assessed the causality between ultra-processed foods and the risk of HTN. Therefore, the present study aimed to determine the association between ultra-processed foods and the risk of HTN in a prospective cohort study.

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Background: Sirtuins have an important role in the regulation of metabolic and biological processess. Thus, we hypothesized that foods that could activate sirtuins, known as "sirtfood", may improve health status. So, this study was aimed at investigating the association between the amount of sirtfood intake and the risk of major adverse cardiovascular events (MACE).

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There is scarce research focusing on the relationship between the low-carbohydrate dietary score and the development of a metabolically unhealthy phenotype. Therefore, this cohort study was designed to assess the association between the low-carbohydrate dietary score and the risk of metabolically unhealthy phenotypes (MUP). This study included 1299 adults with healthy metabolic profiles who were followed for 5.

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Background & Aims: There is a lack of a meta-analysis to comprehensively assess the effectiveness of higher protein intake in addition to the recommended value on body composition post-bariatric surgery. We aimed to perform a meta-analysis of randomized controlled trials to determine the effects of protein intake higher than the recommended value on body composition changes after bariatric surgery.

Methods: Electronic databases, including Scopus, PubMed/Medline, and Web of Sciences, were searched until July 2023.

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We aimed to prospectively assess the association between variety and quantity of fruits and vegetables (FV) and cardiovascular diseases (CVD) incidence and mortality due to the limited evidence. Our analysis included 2,918 adults with a follow-up period of 29,559 person-years. An inverse association was detected between fruit intake and the risk of incidence and mortality from CVD.

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Background/objectives: Studies have reported the health benefits of green coffee extract (GCE) in experimental models. In the current study, we aimed to determine whether supplementation with GCE improves glycemic indices, inflammation, and oxidative stress in patients with type 2 diabetes (T2D).

Methods And Study Design: This randomized, double-blind, placebo-controlled trial included 44 patients (26 male and 18 female) with T2D and overweight/obesity.

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Objective: This systematic review and meta-analysis study aimed to estimate changes in blood nutrient concentrations and nutrient deficiencies in adolescents following bariatric surgery.

Methods: We searched PubMed, Scopus, and the Web of Science to find studies published between January 2000 and August 2023. Observational studies reporting the mean blood concentration of nutrients before and after bariatric surgery or the proportion of nutrient deficiencies after the surgery in healthy adolescents were selected.

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Our knowledge for the possible link between choline and betaine and the risk of type 2 diabetes (T2D) is very limited and contradictory. This study aimed to investigate the prospective association of dietary choline and betaine intakes with the risk of T2D in a group of Tehranian adults. In this prospective study, 6022 eligible subjects aged ≥18 years were chosen from the participants of the Tehran Lipid and Glucose Study in a secondary analysis.

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Objective: We aimed to investigate the associations of macronutrient quality indices with the incident metabolically unhealthy normal weight (MUNW) and metabolically unhealthy overweight/obesity (MUO) phenotypes.

Methods: This prospective study included 512 metabolically healthy normal weight and 787 metabolically healthy overweight/obese adults from the third study examination of the Tehran Lipid and Glucose Study. The participants were followed through the sixth study examination.

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Background: Even though studies have demonstrated that the Nordic diet is beneficial for cardiovascular disease (CVD) risk factors, it is unknown if this diet is associated with actual CVD cases. So, the aim of this study was to investigate the association between a modified Nordic diet and the risk of CVD in non-Nordic adults.

Methods: In this cohort study, 2918 people who participated in the third phase of the Tehran Lipid and Glucose Study (TLGS) were examined.

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Purpose: Prior studies have demonstrated that both dietary components and bariatric surgery modify the gut microbiota's composition. However, there is a scarcity of research that has examined the relationship between post-surgical dietary intake and changes in the gut microbiota. The aim of this study was to assess changes in gut microbiota following bariatric surgery and examine their association with postoperative dietary intake.

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This study investigated the association between ultra-processed foods (UPF) and the risk of metabolically unhealthy normal weight (MUNW) and metabolically unhealthy overweight/obese (MUO). We included 512 normal-weight and 787 overweight/obese adults with a metabolically healthy phenotype from the Tehran and Lipid Glucose Study, who were followed from the third (baseline) to the sixth study examinations. Each 10% increase in energy intake from UPF was related to a 54% (95% CI = 21-96%) and 2% (95% CI = 1-3%) higher risk of MUNW and MUO, respectively.

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Background: A metabolically unhealthy phenotype is associated with the risk of cardiometabolic events and can be prevented by adherence to healthy dietary patterns. The present study was designed to investigate the association between high adherence to the Dietary Approaches to Stop Hypertension (DASH), Mediterranean (MeDi), and Mediterranean-DASH intervention for neurodegenerative delay (MIND) diet scores and the incidence of metabolically unhealthy phenotypes in adults across body mass index (BMI) categories.

Methods: In this cohort study, 512 subjects with metabolically healthy normal weight (MHNW) at baseline and 787 subjects with metabolically healthy overweight/obesity (MHOW/MHO) at baseline were included.

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Objectives: This systematic review and meta-analysis aimed to summarize the evidence on the associations of energy and macronutrient intakes (carbohydrates, fats, and proteins) with weight loss in adults after sleeve gastrectomy or gastric bypass and to determine whether these dietary characteristics of patients with suboptimal weight loss (SWL) or weight regain differ from those without these experiences.

Methods: PubMed, Scopus, and Web of Science were searched until December 2021. Twenty-three observational studies were included.

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Background: Measurement of small bowel length is an essential step in performing bariatric surgery. Surgeons need to measure bowel length in order to create alimentary and biliopancreatic limbs. Inaccurate bowel measurement may affect the outcome of surgery.

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Inulin is a prebiotic and has beneficial effects on health, such as improving the immune function, lipid profile, and gut microbiota. Some previous studies have assessed the effects of inulin supplementation on cardiometabolic diseases, but the relationship between dietary inulin and these diseases has not been investigated yet. Thus, this survey was designed to assess the potential association between the dietary intake of inulin and the incidence of cardiometabolic diseases, including cardiovascular disease (CVD), hypertension (HTN), chronic kidney disease (CKD), and type 2 diabetes (T2D) among adults.

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Purpose: Identifying the possible predictors of postoperative bleeding is advantageous to reduce healthcare costs and promote patients' recovery. The aim of this study was to determine early postoperative bleeding predictors after bariatric surgery.

Materials And Methods: This retrospective study was conducted using data from 2260 patients who underwent bariatric surgery.

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The Mediterranean-DASH intervention for neurodegenerative delay (MIND) and cardiovascular disease (CVD) has yet to be studied. As a result, the objective of this study was to investigate if there was a link between MIND diet adherence and the risk of CVD in adults over a 10.6-year period of time.

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Background: Several studies have assessed the association between dietary choline and betaine and cardiovascular disease (CVD), but their results are inconsistent. The present study aimed to determine the association between dietary intake of choline and betaine and the risk of CVD in the general population over a 10.6-year period of follow-up.

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We aimed to summarize the associations between food sources of fructose and cardiovascular diseases (CVD), cancer, and all-cause mortality risk using a systematic review and meta-analysis. We searched PubMed, Scopus, and Web of Science up to November 2020. We included cohort studies that investigated the relationship between mortality risk (all-cause, CVD, specific CVD, and total and site-specific cancers) and intake of ≥1 food source of fructose (fruit, fruit juice, breakfast cereals, sugar-sweetened beverages (SSBs), sweets, and yogurt) in general adult population.

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Background: A few comparative studies have assessed the incidence of symptomatic cholelithiasis after laparoscopic sleeve gastrectomy (LSG) and laparoscopic Roux-en-Y gastric bypass (LRYGB). However, they have shown inconsistent results. The present study has been designed based on comparing LSG and LRYGB regarding the incidence of symptomatic cholelithiasis and determining factors related to symptomatic cholelithiasis development after these procedures.

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Several studies have assessed the relationship between alcohol intake and overweight/obesity; however, the reported results are inconsistent. Therefore, the present systematic review and dose-response meta-analysis of observational studies was designed to investigate the association between alcohol intake and general and abdominal obesity among the adults. Literature search was conducted in the PubMed/Medline and Web of Science databases up to August 2020.

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The evidence for a linkage between dietary intake of choline and betaine, a choline metabolism product, and the risk of hypertension (HTN) is limited. The current population-based cohort study was designed to investigate the possible association between dietary intake of choline and betaine with the risk of HTN in adults. This cohort study was conducted on the participants of the Tehran Lipid and Glucose Study (TLGS).

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A few randomized controlled trials (RCTs) have assessed the effect of brown rice consumption on metabolic parameters compared to white rice, with inconsistent findings. Therefore, the present systematic review and meta-analysis was designed to evaluate the effect of brown rice on adiposity indices, lipid profile, and glycemic markers in adult subjects compared to white rice. In this study, PubMed/Medline, Scopus, Web of Sciences, and Embase databases were comprehensively searched until March 2021.

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