Publications by authors named "Ramfis Nieto-Martinez"

Article Synopsis
  • - The study examines how ethno-racial disparities in cardiometabolic diseases are influenced by socioeconomic, behavioral, and environmental factors, using a Bayesian network approach based on 20 years of data.
  • - It identifies several pathways linking ethno-racial group to cardiometabolic outcomes, highlighting that education and behavioral factors like diet and physical activity play varying roles among different groups.
  • - The findings indicate that while improved diet and activity lower disease risk more for non-Hispanic Whites, these factors are less effective for non-Hispanic Blacks and Hispanics, suggesting the need to explore unmeasured structural determinants affecting health disparities in these communities.
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As adiposity increases in youth, so does the prevalence of cardiometabolic risk factors (CMRFs). The etiology of adiposity-based chronic disease and CMRFs includes ethnoracial disparities that are rarely considered in current treatment approaches. Precision interventions require further characterization of these disparities among high-risk youth.

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Obesity is defined as excess adipose tissue; however, commonly used methods may under-detect adiposity in adolescents. This study compared the performance of body mass index percentile (BMI%) and relative body mass index (RBMI) in identifying excess body fat percentage (BF%) and estimated RBMI cut points to better stratify severity of adiposity. In 567 adolescents ages 11-19 year, BF% measured by DXA was used to compare BMI% and RBMI performance at different degrees of adiposity.

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The impact of the humanitarian crisis in Venezuela on care for noncommunicable diseases (NCDs) such as diabetes is unknown. This study aims to document health system performance for diabetes management in Venezuela during the humanitarian crisis. This longitudinal study on NCDs is nationally representative at baseline (2014-2017) and has follow-up (2018-2020) data on 35% of participants.

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The number of migrants, which includes forcibly displaced refugees, asylum seekers, and undocumented persons, is increasing worldwide. The global migrant population is heterogeneous in terms of medical conditions and vulnerability resulting from non-optimal metabolic risk factors in the country of origin (e.g.

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Background: The prevalence of type 2 diabetes (T2D) continues to increase in the Americas. Identifying people at risk for T2D is critical to the prevention of T2D complications, especially cardiovascular disease. This study gauges the ability to implement large population-based organized screening campaigns in 19 Latin American and Caribbean countries to detect people at risk for T2D using the Finnish Diabetes Risk Score (FINDRISC).

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Introduction: The relevance of lifestyle medicine in diabetes treatment is now incorporated in clinical practice guidelines but finding an exemplar for the creation of a Lifestyle Medicine Program (LMP) is a difficult task.

Aim: To use Lifedoc Health (LDH) as a LMP exemplar by describing their multidisciplinary team (MDT) approach to diabetes care along with tactics to address sustainability challenges.

Results: The LDH model facilitates early activation of patients with diabetes and other cardiometabolic risk factors, MDT approaches, and protocols/policies that are able to overcome barriers to equitable healthcare in the community.

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Objective: Guidelines recommend case finding for dysglycemia (prediabetes and type 2 diabetes [T2D]) in adults or youth older than 10 years with overweight/obesity, but increased adiposity has not been associated with dysglycemia in some Hispanic populations. This study aims to determine the prevalence of dysglycemia in this population using simplified criteria independent of body mass index and age to request an oral glucose tolerance test (OGTT).

Methods: Cross-sectional retrospective analysis of medical records from a clinical center in Chile (2000-2007).

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Background: To estimate the prevalence of different physical activity (PA) domains and sitting time (ST), and to analyze the association with sociodemographic indicators.

Methods: Data from the most recent nationally representative survey from each of the South American countries, comprising 155,790 adults (18-64 y), were used. Data on leisure-time, transport, and occupational PA (all 3 domains as nonzero), total PA (≥150 min/wk), and ST (≥8 h/d) were assessed by specific questionnaires in each survey.

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Objectives: This study compared the relationships of social determinants with cardiometabolic risk in different socioeconomic contexts: sociopolitically unstable Venezuela (VE) and stable Czechia (CZ).

Design: cross-sectional analysis involving two population-based studies.

Setting: Brno, Czechia and 23 cities of Venezuela.

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High consumption of sugar-sweetened beverages (SSBs) is associated with a higher risk of cardiovascular disease (CVD). The last report on the prevalence of SSBs consumption in Czechia was 17 years ago, an updated analysis will enable the design of appropriate public health policies. This study aimed to determine the prevalence of SSBs consumption in a Czech city during 2020 and 2022, and its association with cardiometabolic biomarkers, behavioral risk factors, and socioeconomic determinants.

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Evidence examining specific effects of a multidisciplinary team (MDT) on cardiometabolic risk factors (CMRFs) among multi-ethnic patients in real-world clinical settings is lacking. This one-year retrospective chart review (2018) analyzed 598 adults (African American 59%, Hispanic 35%, and Caucasian 6%) with mean age of 43.8 ± 14.

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Disparities in type 2 diabetes (T2D) care is a global problem across diverse cultures. The Dysglycemia-Based Chronic Disease (DBCD) model promotes early and sustainable interventions along the insulin resistance (stage 1), prediabetes (stage 2), T2D (stage 3), and complications (stage 4) spectrum. In this model, lifestyle medicine is the cornerstone of preventive care to reduce DBCD progression and the socioeconomic/biological burden of disease.

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Article Synopsis
  • A study analyzed physical activity (PA) and sitting time (ST) trends in adults across nine South American countries using data from national surveys between 2005 and 2020, focusing on how these trends varied by education level, gender, and age groups.
  • Results showed that PA levels fluctuated in different countries, with Chile and Peru reporting declines, while Brazil and Uruguay saw increases; sitting time was rising in Argentina, Peru, and Uruguay, indicating growing inactivity.
  • The findings highlight increasing inequalities in PA based on education, suggesting that future initiatives in South America should aim to promote physical activity and address these disparities effectively.
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Objectives: To characterize how physical activity and sedentary behavior have been measured in national health surveys in South American countries.

Methods: An extensive search was made for national health surveys from all 12 South American countries through health websites, national statistical offices, and contact with researchers and policy-makers. The following eligibility criteria were used to select surveys: conducted in a South American country; used a nationally representative sample ≥ 18 years; coordinated by the public, private or mixed private-public sector; and assessed physical activity and/or sedentary behavior.

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Effective preventive care programs are urgently needed during humanitarian crises, as has been especially obvious during the COVID-19 pandemic. A pragmatic trial was designed: hybridized intervention (Diabetes Prevention Program [DPP] + medical nutrition therapy + liquid diet [LD]; LD group) vs. DPP only (DPP group).

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The aim of the present study was to evaluate the association between television viewing/physical activity (TVV/PA) interactions and cardiometabolic risk in an adult European population. A total of 2155 subjects (25-64 years) (45.2% males), a random population-based sample were evaluated in Brno, Czechia.

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Diabetes prevalence is increasing worldwide, especially in low- and middle-income countries (LMIC), posing the need for improved detection and management strategies. Chronic disease models and lifestyle medicine provide structures for action. Community health workers (CHWs) can significantly contribute to chronic disease care if they are trained and integrated into low-resource health systems.

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Cardiorespiratory fitness (CRF) is a strong independent predictor of morbidity and mortality. However, there is no recent information about the impact of CRF on cardiometabolic risk specifically in Central and Eastern Europe, which are characterized by different biological and social determinants of health. In this cross-sectional study normative CRF values were proposed and the association between CRF and cardiometabolic outcomes was evaluated in an adult Czechian population.

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Article Synopsis
  • The adiposity-based chronic disease (ABCD) model provides a new way to understand obesity, focusing on fat amount, distribution, and related health complications rather than just BMI.
  • A study involving 2,159 participants in Czechia found a high prevalence of ABCD at 62.8%, with most having either mild to moderate (Stage 1) or severe (Stage 2) complications.
  • The ABCD model is more effective than traditional measures for detecting serious health risks like diabetes and vascular diseases, allowing for better early detection and management of obesity-related issues.
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Cardiometabolic risk factors, and the chronic cardiovascular diseases (CVDs) that result from them, are highly prevalent in the US and amenable to clinical nutrition interventions. This creates an urgency to develop comprehensive care models that incorporate prevention-based actions by improving lifestyle routines. Such care models should account for social determinants of health, ethnocultural variables, and challenges to sustainability.

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In contrast to the decreasing burden related to cardiovascular disease (CVD), the burden related to dysglycemia and adiposity complications is increasing in Czechia, and local drivers must be identified. A comprehensive literature review was performed to evaluate biological, behavioral, and environmental drivers of dysglycemia and abnormal adiposity in Czechia. Additionally, the structure of the Czech healthcare system was described.

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Background: The complex humanitarian crisis (CHC) in Venezuela is characterized by food insecurity, hyperinflation, insufficient basic services, and the collapse of the healthcare system. The evolution of the epidemiology of cardiometabolic risk factors in this context is unknown.

Aim: To compile the last 20 years evidence on the prevalence of cardiometabolic risk factors in adults of Venezuela in the context of the CHC.

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: We have a limited understanding of the broader determinants of health of international migrants and how these change over time since migration to the United Kingdom (UK). To address this knowledge gap, we aim to conduct a prospective cohort study with data acquisition via a smartphone application (app). In this pilot study, we aim to 1) determine the feasibility of the use of an app for data collection in international migrants, 2) optimise app engagement by quantifying the impact of specific design features on the completion rates of survey questionnaires and on study retention, 3) gather preliminary profile health status data, to begin to examine how risk factors for health are distributed among migrants.

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Background: Visceral fat is associated with adiposity-based complications. Bioimpedance measurement allows estimation of visceral fat area (VFA) in an easy manner. However, a validated cut-off value for VFA by bioimpedance associated with cardiometabolic risk is lacking in European population.

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