Publications by authors named "Carlos M Dias"

Background: Oral diseases are associated with the development of cardiometabolic diseases. This study aimed to evaluate the relationship between oral health behaviors (tooth brushing and oral health appointments) with cardiometabolic diseases.

Methods: Data from the First National Health Examination Survey were used.

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We estimated comparative primary and booster vaccine effectiveness (VE) of SARS-CoV-2 Omicron BA.5 and BA.2 lineages against infection and disease progression.

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  • A study was conducted to explore the relationship between maternal age and the prevalence of congenital heart defects (CHD) in Europe from 1995 to 2015 using data from the EUROCAT network, amidst conflicting evidence on this topic.
  • The research showed that CHD prevalence was higher in both younger mothers (≤24 years) and older mothers (35-44 years) compared to those aged 25-29 years, with specific severe CHD types more commonly seen in younger mothers.
  • The study identified increased prevalence rates for certain CHD subtypes, including double outlet right ventricle and hypoplastic heart syndromes, highlighting varying risks associated with different maternal age groups.
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  • Younger mothers in the UK face a higher risk of pregnancy complications like gastroschisis, which is linked to vascular disruptions, prompting a study to explore the prevalence of other similar anomalies in this demographic.
  • An analysis of data from 26 European congenital anomaly registries revealed that the UK had a significantly higher prevalence of vascular disruption anomalies (8.85 per 10,000 births) compared to other European countries (5.44 per 10,000 births), even after adjusting for maternal age.
  • The study found that younger mothers had increased rates of anomalies like gastroschisis and congenital constriction bands, while anomalies with weaker links to maternal age, such as transverse limb reduction defects,
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Background: Few multi-country European studies have investigated the association between grip strength and heart diseases incidence. Thus, the aim of this study is to analyse the longitudinal relationship between grip strength and the diagnosis of heart diseases in European middle-aged and older adults.

Method: A prospective cohort study was conducted using data from the Survey of Health, Aging and Retirement in Europe (2004-2017).

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  • The study analyzes the prevalence of nonsyndromic congenital heart defects (CHDs) in Europe from 2008 to 2015, using data from 25 EUROCAT registries across 14 countries.
  • The total prevalence of CHDs was found to be 57.1 per 10,000 births, with live birth prevalence at 60.2 per 10,000, indicating stability over the study period.
  • Trends varied by region, with Norway and England/Wales showing a decrease in prevalence, while Italy and Croatia saw increases, suggesting not all areas are experiencing the same trends.
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We measured vaccine effectiveness (VE) against COVID-19-related severe outcomes in elderly people in Portugal between May and July 2022. In ≥ 80 year-olds, the second booster dose VE was 81% (95% CI: 75-85) and 82% (95% CI: 77-85), respectively, against COVID-19-related hospitalisation and death. The first booster dose VE was 63% (95% CI: 55-70) in ≥ 80 year-olds and 74% (95% CI: 66-80) in 60-79 year-olds against hospitalisation, and 63% (95% CI: 57-69) and 65% (95% CI: 54-74) against death.

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Background: Participation rates in health surveys, recognized as an important quality dimension, have been declining over the years, which may affect representativeness and confidence in results. The Portuguese national health examination survey INSEF (2015) achieved a participation rate of 43.9%, which is in line with participation rates from other similar health examination surveys.

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Background: Blood lipids and glucose levels dysregulation represent potential mechanisms intermediating the adverse cardiovascular effects of ambient particulate matter (PM) exposure. This study aims to estimate the effect of long-term PM10 exposure on blood lipids and glucose levels and to assess the potential mediation and/or modification action of abdominal obesity (AO) (waist-to-height ratio).

Methods: Our study was based on 2,390 participants of the first Portuguese Health Examination Survey (INSEF, 2015) with available data on blood lipids and glucose parameters and living within a 30-km radius of an air quality monitoring station with available PM10 measurements.

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Introduction: Cardiovascular disease is the leading cause of morbidity and mortality in Portugal and globally. Cardiovascular risk algorithms, namely the SCORE (Systematic Coronary Risk Evaluation), are recommended in the context of cardiovascular disease prevention. Our aim is to estimate and characterize the cardiovascular risk of the Portuguese population aged between 40 and 65 years old, in 2015, using the SCORE algorithm.

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  • * A large European case-control study analyzed data from 329 VACTERL cases and over 49,000 control subjects, focusing on maternal factors like age, assisted reproductive techniques (ART), and pre-existing health conditions.
  • * Findings revealed that ART use, pregestational diabetes, and chronic lung diseases significantly increased the risk of VACTERL in children, while having twins did not show a correlation with this condition.
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Weight loss maintenance is a major challenge for obesity treatment. Weight control registries can be useful in identifying psychological and behavioural factors that could contribute to better long-term success. The objective of this study is to describe the existing weight control registries and their participants and identify correlates of weight loss maintenance.

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Introduction: Cardiovascular disease is an important cause of death and disability worldwide, and hypertension is responsible for at least 45% of all deaths due to heart disease and 51% of deaths due to stroke. This study aimed to estimate and describe the distribution of prevalence, awareness, treatment and control of hypertension in the Portuguese population in 2015.

Methods: A national survey using a representative sample of 4911 individuals residing in Portugal and aged between 25 and 74 years was implemented.

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Background: The VACTERL (Vertebral anomalies, Anal atresia, Cardiac malformations, Tracheo-Esophageal fistula, Renal anomalies, Limb abnormalities) association is the non-random occurrence of at least three of these congenital anomalies: vertebral, anal, cardiac, tracheo-esophageal, renal, and limb anomalies. Diagnosing VACTERL patients is difficult, as many disorders have multiple features in common with VACTERL. The aims of this study were to clearly outline component features, describe the phenotypic spectrum among the largest group of VACTERL patients thus far reported, and to identify phenotypically similar subtypes.

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Ambient air pollution (AAP) is recognized a cardiovascular risk factor and lipid profile dysregulation seems to be one of the potential mediators involved. However, results from epidemiologic research on the association between exposure to AAP and altered lipid profile have been inconsistent. This study aims to systematically review and meta-analyse epidemiologic evidence on the association between exposure to ambient air pollutants (particulate matter, nitrogen oxides, sulphur dioxide, ozone, carbon monoxide, back carbon) and lipid profile parameters (Total cholesterol; High-Density Lipoprotein Cholesterol; Low-Density Lipoprotein Cholesterol; TG-Triglycerides) or dyslipidaemia.

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Background: This study aimed to compare self-reported and examination-based prevalence of hypertension and hypercholesterolemia in Portugal in 2015 and to identify factors associated with the measurement error in self-reports.

Methods: We used data from the Portuguese National Health Examination Survey (n = 4911), that combines personal interview, blood collection and, physical examination. Sensitivity and specificity of self-reported hypertension and hypercholesterolemia were calculated.

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Background: In Health Examination Surveys interview information is complemented with objective information, providing more accurate indicators than self-reported data. We report the study design, planning and implementation of the first Portuguese Health Examination Survey (INSEF).

Methods: INSEF was a cross-sectional population-based study representative at regional and national level.

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Introduction: Diabetes is a major public health problem and it is related to socioeconomic factors. The aim of this study is to describe socioeconomic inequalities in the distribution of diabetes in the population with 25 years or more, resident in Portugal in 2014.

Material And Methods: Data from the Health National Survey 2014 was analysed, n = 16 786.

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Obesity is recognised as a serious public health issue, due to its associated morbidity and mortality. This study aimed at estimating the prevalence of overweight and obesity in the Portuguese population through direct measurements obtained by the 1st National Health Examination Survey (INSEF 2015) and to identify its associated sociodemographic factors. INSEF was a nationally representative cross-sectional prevalence study conducted on 4911 Portuguese adults aged 25-74 years, in 2015.

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Objective: To validate the estimates of Global Burden of Disease (GBD) due to congenital anomaly for Europe by comparing infant mortality data collected by EUROCAT registries with the WHO Mortality Database, and by assessing the significance of stillbirths and terminations of pregnancy for fetal anomaly (TOPFA) in the interpretation of infant mortality statistics.

Design, Setting And Outcome Measures: EUROCAT is a network of congenital anomaly registries collecting data on live births, fetal deaths from 20 weeks' gestation and TOPFA. Data from 29 registries in 19 countries were analysed for 2005-2009, and infant mortality (deaths of live births at age <1 year) compared with the WHO Mortality Database.

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In this paper, for the first time, chemically modified 5,10,15,20-meso-tetra-(para-amino)-phenyl-porphyrin/TiO (TPAPP/TiO) was prepared and used for the degradation of an azo dye Acid Black 1 (AB 1) under direct sunlight. Initially, TiO was prepared by sol-gel method. Before making a TPAPP/TiO composite, the surface modification of TiO was carried out with glycidoxypropyltrimethoxy silane (GPTMS) which acts as a coupling agent.

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Background: Recent studies suggest an association between the Interferon Inducible Transmembrane 3 (IFITM3) rs12252 variant and the course of influenza infection. However, it is not clear whether the reported association relates to influenza infection severity. The aim of this study was to estimate the hospitalization risk associated with this variant in Influenza Like Illness (ILI) patients during the H1N1 pandemic influenza.

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The aim of this study was to examine the prevalence of trisomies 18 and 13 in Europe and the prevalence of associated anomalies. Twenty-five population-based registries in 16 European countries provided data from 2000-2011. Cases included live births, fetal deaths (20+ weeks' gestation), and terminations of pregnancy for fetal anomaly (TOPFAs).

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Previous studies have shown that over 40% of babies with Down syndrome have a major cardiac anomaly and are more likely to have other major congenital anomalies. Since 2000, many countries in Europe have introduced national antenatal screening programs for Down syndrome. This study aimed to determine if the introduction of these screening programs and the subsequent termination of prenatally detected pregnancies were associated with any decline in the prevalence of additional anomalies in babies born with Down syndrome.

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