MARCUS VINICIUS NASCIMENTO FERREIRA
Projetos de Pesquisa
Unidades Organizacionais
LIM/39 - Laboratório de Processamento de Dados Biomédicos, Hospital das Clínicas, Faculdade de Medicina
5 resultados
Resultados de Busca
Agora exibindo 1 - 5 de 5
- Which blood cutoff value should be used for vitamin A deficiency in children aged 3-10 years? A systematic review(2021) COLLESE, Tatiana S.; NORDE, Marina M.; V, Marcus Nascimento-Ferreira; KIM, Hanseul; MARCHIONI, Dirce M.; CARVALHO, Heraclito B.; GIOVANNUCCI, EdwardContext: Blood cutoff values for vitamin A deficiency in children aged 3-10 years have not been addressed in the literature. Objective: To identify blood retinol concentrations for determining severe vitamin A deficiency in children aged 3-10 years. Data Sources: The MEDLINE, Web of Science, Embase, and Scopus databases were searched. Data Extraction: Two reviewers independently extracted article data and assessed quality. Data Analysis: The hierarchical summary receiver operating characteristic models were applied for the diagnostic accuracy meta-analysis. This review is registered at PROSPERO (identifier: CRD42020149367). Results: A total of 15 articles met the eligibility criteria, and 9 were included in the diagnostic accuracy meta-analysis. The summary estimates (95%CI) were: Sensitivity, 0.39 (0.20-0.62); specificity, 0.79 (0.65-0.88); positive likelihood ratio, 1.85 (1.33-2.57); and negative likelihood ratio, 0.77 (0.60-0.99). The area under the curve of the overall analysis was 0.68 (95%CI 0.63-0.72). Conclusions: Blood retinol concentrations have low diagnostic accuracy for severe vitamin A deficiency in children aged 3-10 years. Therefore, there is unclear evidence about the preferable cutoff point for determining severe vitamin A deficiency in children in this age group.
- What is the Validity of Questionnaires Assessing Fruit and Vegetable Consumption in Children when Compared with Blood Biomarkers? A Meta-Analysis(2018) COLLESE, Tatiana S.; VATAVUK-SERRATI, Gabriela; NASCIMENTO-FERREIRA, Marcus Vinicius; MORAES, Augusto Cesar Ferreira De; CARVALHO, Heraclito BarbosaFruit and vegetable consumption has been associated with improved health outcomes in children. As an extensive number of questionnaires are currently used to assess fruit and vegetable consumption, we performed a systematic review of the criterion validity of questionnaires used to estimate fruit and vegetable consumption in children, considering blood biomarkers as the reference method. Five electronic databases (MEDLINE, CINAHL, Scopus, PsycINFO, Web of Science) were searched from database inception to 23 July 2018. The search strategy used the following sets of descriptors: children; fruits and vegetables; dietary questionnaires; blood biomarkers; and validation coefficient. The search terms were adapted for use with other databases in combination with database-specific filters. Potentially eligible articles were selected independently by two reviewers, separately, following the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines. Two articles meeting the inclusion criteria were included. The main reason for study exclusion was the sample age range, which included adolescents. The pooled correlation coefficient was 0.32 (95% confidence interval: 0.24-0.40). This review provided insights into assessment methods of fruit and vegetable consumption in children. Although further studies are required, questionnaires for assessing fruit and vegetable consumption have fair criterion validity in children.
- Validity and reliability of sleep time questionnaires in children and adolescents: A systematic review and meta-analysis(2016) NASCIMENTO-FERREIRA, Marcus V.; COLLESE, Tatiana S.; MORAES, Augusto Cesar F. de; RENDO-URTEAGA, Tara; MORENO, Luis A.; CARVALHO, Heraclito B.Sleep duration has been associated with several health outcomes in children and adolescents. As an extensive number of questionnaires are currently used to investigate sleep schedule or sleep time, we performed a systematic review of criterion validation of sleep time questionnaires for children and adolescents, considering accelerometers as the reference method. We found a strong correlation between questionnaires and accelerometers for weeknights and a moderate correlation for weekend nights. When considering only studies performing a reliability assessment of the used questionnaires, a significant increase in the correlations for both weeknights and weekend nights was observed. In conclusion, moderate to strong criterion validity of sleep time questionnaires was observed; however, the reliability assessment of the questionnaires showed strong validation performance.
- Cross-sectional, school-based study of 14-19 year olds showed that raised blood pressure was associated with obesity and abdominal obesity(2017) NASCIMENTO-FERREIRA, Marcus Vinicius; MORAES, Augusto Cesar Ferreira De; RENDO-URTEAGA, Tara; FORKERT, Elsie Costa de Oliveira; COLLESE, Tatiana Sadalla; CUCATO, Gabriel Grizzo; REIS, Victor M. M.; TORRES-LEAL, Francisco Leonardo; MORENO, Luis A.; CARVALHO, Heraclito BarbosaAim: Gaining weight has been directly associated with an increased probability of developing high blood pressure (HBP) and metabolic abnormalities. We examined the independent and combined effects of overweight, obesity and abdominal obesity on blood pressure in adolescents. Methods: This cross-sectional school-based study evaluated 869 adolescents (53.4% girls) from 14 to 19 years of age, and the data were collected in 2013 in the city of Imperatriz, Maranhao, Brazil. The outcome was HBP. The independent variables were overweight and obesity classified by body mass index, abdominal obesity classified by the waist-to-height ratio and the combination of obesity and overweight and abdominal obesity. The potential confounding variables were age, the socio-economic status of the family, parental education, type of school and physical activity levels. Results: The prevalence ratios of HBP were higher when male and female adolescents were overweight (1.61-3.11), generally obese (3.20-4.70), had abdominal obesity (2.18-3.02) and were both generally obese and had abdominal obesity (3.28-5.16) compared with normal weight adolescents. Conclusion: Obesity or abdominal obesity increased the risk of HBP in adolescents aged 14-19. However, adolescents who were both generally obese and had abdominal obesity showed an even higher risk of having HBP.
- Role of fruits and vegetables in adolescent cardiovascular health: a systematic review(2017) COLLESE, Tatiana Sadalla; NASCIMENTO-FERREIRA, Marcus Vinicius; MORAES, Augusto Cesar Ferreira de; RENDO-URTEAGA, Tara; BEL-SERRAT, Silvia; MORENO, Luis A.; CARVALHO, Heraclito BarbosaContext: Levels of fruit and vegetable consumption are low among adolescents, and the possible effect of this on cardiovascular health in this age group is undefined. Objective: The aim of this systematic review was to investigate the potential role of fruit and vegetable consumption in adolescent cardiovascular health. Data Sources: Six electronic databases (BioMed Central, MEDLINE, Web of Science, CINAHL, Scopus, PsycINFO) were searched from database inception to December 2015. Study Selection: The search strategy used the following sets of descriptors: adolescents; fruits and vegetables; cardiovascular risk indicators; cross-sectional and cohort studies. Data Extraction: Potentially eligible articles were selected independently by 2 reviewers. Results: Eleven articles meeting the inclusion criteria were included (10 cross-sectional, 1 cohort). The main reasons for study exclusion (n = 71) were misclassification of individuals as adolescents, an unspecified outcome that was incongruent with the definitions provided, and assessment of fruits and vegetables as part of a food pattern. Articles evaluated fruit and vegetable intake (separately, together, only vegetables, or with fruit juice) in diverse units, using food frequency questionnaires, 24-hour dietary recalls, and food records. One-third of the studies showed significant inverse associations of fruit and vegetable intake with systolic blood pressure, abdominal obesity, triglycerides, high-density lipoprotein cholesterol, and metabolic syndrome. Conclusions: The associations between fruit and vegetable consumption and indicators of cardiovascular risk in adolescents are inconsistent, likely because of heterogeneity in the methods used to assess and classify consumption and to define cardiovascular risk in adolescents.