Sylvia do Carmo Castro Franceschini

Universidade Federal de Viçosa (UFV), Viçosa, Minas Gerais, Brazil

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Publications (144)87.09 Total impact

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    ABSTRACT: To analyze the relationship between the peripheral blood white cells, metabolic changes, and nutritional status of adolescents with and without excess weight and body fat. This cross-sectional study evaluated the body mass index (BMI) and percentage body fat (%BF) in 362 adolescents from 15 to 19 years of age, of both sexes. White blood cell count, platelet count, uric acid, fasting glucose, insulin, and lipid profile were measured. The inclusion criteria were agreement to participate in the study and signature of the informed consent. Exclusion criteria were: presence of chronic or infectious disease; use of medications that could cause changes in biochemical tests; pregnancy; participation in weight reduction and weight control programs; use of diuretics and laxatives; or the presence of a pacemaker. The following statistical tests were applied: Kolmogorov-Smirnov test, Student's t or Mann-Whitney test, Pearson or Spearman correlation tests, and chi-squared test, considering p<0.05. Overweight was observed in 20.7% of adolescents. The total cholesterol (TC) had a higher percentage of inadequacy (52.2%), followed by high-density lipoprotein (HDL) (38.4%). There was a positive correlation between white cells and serum lipids, insulin, body fat, and BMI. Monocytes were negatively correlated with BMI, and rods with BMI, body fat, and insulin. Nutritional status is related to an inflammatory process, and adolescents with excess weight or body fat presented higher amounts of white blood cells. Copyright © 2014 Associação de Pediatria de São Paulo. Publicado por Elsevier Editora Ltda. All rights reserved.
    Revista paulista de pediatria : orgão oficial da Sociedade de Pediatria de São Paulo. 12/2014; 32(4):351-9.
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    ABSTRACT: This paper describes NICeSim, an open-source simulator that uses machine learning (ML) techniques to aid health professionals to better understand the treatment and prognosis of premature newborns.
    Artificial Intelligence in Medicine 10/2014; · 1.36 Impact Factor
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    ABSTRACT: To analyze studies that assessed the anthropometric parameters waist circumference (WC), waist-to-height ratio (WHR) and neck circumference (NC) as indicators of central obesity in children. We searched PubMed and SciELO databases using the combined descriptors: "Waist circumference", "Waist-to-height ratio", "Neck circumference", "Children" and "Abdominal fat" in Portuguese, English and Spanish. Inclusion criteria were original articles with information about the WC, WHR and NC in the assessment of central obesity in children. We excluded review articles, short communications, letters and editorials. 1,525 abstracts were obtained in the search, and 68 articles were selected for analysis. Of these, 49 articles were included in the review. The WC was the parameter more used in studies, followed by the WHR. Regarding NC, there are few studies in children. The predictive ability of WC and WHR to indicate central adiposity in children was controversial. The cutoff points suggested for the parameters varied among studies, and some differences may be related to ethnicity and lack of standardization of anatomical site used for measurement. More studies are needed to evaluate these parameters for determination of central obesity children. Scientific literature about NC is especially scarce, mainly in the pediatric population. There is a need to standardize site measures and establish comparable cutoff points between different populations. Copyright © 2014 Sociedade de Pediatria de São Paulo. Publicado por Elsevier Editora Ltda. All rights reserved.
    Revista paulista de pediatria : orgao oficial da Sociedade de Pediatria de Sao Paulo. 09/2014; 32(3):273-281.
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    ABSTRACT: Objective: To analyze the influence of metabolic syndrome components in insulin resistance, by gender and adolescence phase. Subjects and methods: We evaluated biochemical, clinical, lifestyle and body composition data of 800 adolescents from 10 to 19 years old, from both genders, from Viçosa, MG/Brasil, and there was the division by stage: early (10 to 13 years), intermediate (14 to 16 years) and late (17 to 19 years). Results: 10.3 and 3.4% had, respectively, insulin resistance and metabolic syndrome. In the initial phase there was a higher prevalence of dyslipidemia and intermediate hyperuricemia and excess body fat. Females had a higher prevalence of dyslipidemia, excess body fat and insulin resistance and higher male prevalence of low HDL, hyperuricemia and blood pressure changes. Those from the initial phase had higher levels of total cholesterol, LDL, HDL, triglycerides, fasting glucose and waist/hip ratio, stayed less time sitting and had more meals (p < 0.05) in relation to other phases. The final model, adjusted for gender, was different for each phase of adolescence. Conclusions: Insulin resistance is associated with inadequate body composition, in biochemical levels and lifestyle, being the factors associated different in each phase of adolescence. Arq Bras Endocrinol Metab. 2014;58(6):610-8.
    Arquivos brasileiros de endocrinologia e metabologia. 08/2014; 58(6):610-618.
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    ABSTRACT: To study anthropometrical and body composition variables as predictors of risk for metabolic alterations and metabolic syndrome in female adolescents.
    Revista Paulista de Pediatria 06/2014; 32(2):207-15.
  • Dayane de Castro Morais, Luiza Veloso Dutra, Sylvia do Carmo Castro Franceschini, Silvia Eloiza Priore
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    ABSTRACT: The scope of this systematic review was to relate food insecurity, detected using the Brazilian Food Insecurity Scale (EBIA), with anthropometric, dietary and social indicators. The search was conducted in electronic databases (ScieLO, LILACS, MEDLINE), with a selection of studies by titles and abstracts, and later full reading. Studies identified in bibliographic references were included. Of the 215 reviewed, 15 fulfilled inclusion criteria (association between insecurity and anthropometric, dietary or social indicators, detected by the EBIA), whereby three had more than one variable of interest. A relationship was observed between food insecurity and height/age and weight/age of child indices, as well as obesity in women. Lower consumption of regulating, tissue-building food products and iron, and higher carbohydrate intake are associated with food insecurity. There was a relationship between social indicators, such as lower income and education, lack of employment and basic sanitation. The EBIA was associated in some studies with nutritional and social indicators, but should be used in conjunction with other tools in order to cover the multiple dimensions of food and nutrition security.
    Ciencia & saude coletiva. 05/2014; 19(5):1475-1488.
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    ABSTRACT: To analyze the impact of timing of clamping and obstetric, biological and socioeconomic factors on the iron stores of full-term newborns. Cross-sectional study between October 2011 and July 2012 in which hematological parameters were evaluated for newborns in Viçosa, MG, Southeastern Brazil. It involved collecting 7 mL of umbilical cord blood from 144 full-term not underweight newborns. The parameters investigated were complete blood count, serum iron, ferritin and C-reactive protein. The time of umbilical cord clamping was measured using a digital timer without interfering in the procedures of childbirth. The birth data were collected from Live Birth Certificates and other information was obtained from the mother through a questionnaire applied in the first month postpartum. Analysis of multiple linear regression was then used to estimate the influence of biological, obstetrics and socioeconomic factors on the ferritin levels at birth. The median ferritin was 130.3 µg/L (n = 129, minimum = 16.4; maximum = 420.5 µg/L), the mean serum iron was 137.9 μg/dL (n = 144, SD = 39.29) and mean hemoglobin was 14.7 g/dL (n = 144, SD = 1.47). The median time of cord clamping was 36 seconds, ranging between 7 and 100. The bivariate analysis detected an association between ferritin levels and color of the child, timing clamping of 60 seconds, type of delivery, the presence of gestational diabetes and per capita family income. In multivariate analysis, the variables per capita income, number of antenatal visits and length at birth accounted for 22.0% of variation in ferritin levels. Iron stores at birth were influenced by biological, obstetric and social characteristics. Tackling anemia should involve creating policies aimed at reducing social inequalities, improving the quality of antenatal care, as well as implementing a criterion of delayed clamping of the umbilical cord within the guidelines of labor.
    Revista de saude publica 02/2014; 48(1):10-18. · 1.01 Impact Factor
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    ABSTRACT: Introduction: Epidemiological studies have shown an association between coronary heart disease and emerging cardiovascular risk factors, such as, levels of fibrinogen and high-sensitivity C-reactive protein (hs-CRP). Objectives: To verify the ability of biochemical indicators in discriminating changes in the levels of hs-CRP and fibrinogen, in apparently healthy adult men. Methods: Were evaluated 130 apparently healthy men (20-59 years), having measurement of weight and height. Biochemical measurements (lipid profile, fasting glucose, uric acid, hs-CRP and fibrinogen) were performed. Body mass index, total cholesterol/HDL-c and LDL-c/HDL-c ratios were calculated. It was considered as the cutoff point for hs-CRP values ≥0.12 mg/dL and for fibrinogen the 50th percentile of the evaluated sample. Results: The uric acid showed the best correlation (r = 0.325) and the higher area under the ROC curve (0.704 ± 0.054), showing greater ability to discriminate higher levels of hs-CRP (p < 0.01). The total cholesterol/HDL-c ratio (r = 0.222) and the LDL-c/HDL-c ratio (r = 0.235) showed the best correlations and the higher areas under the ROC curves (0.624 ± 0.049 and 0.624 ± 0.049) in identify higher levels of fibrinogen (p < 0.05). Conclusion: The uric acid and the total choles - terol/HDL-c and the LDL-c/HDL-c ratios showed greater ability to identify changes in the levels of hs-CRP and fibrinogen, respectively. It was suggested the use of biochemical markers in the clinical practice, in order to establish preventive action for cardiovascular disease in apparently healthy adult men.
    Nutricion hospitalaria: organo oficial de la Sociedad Espanola de Nutricion Parenteral y Enteral 01/2014; 29(n04):935-940. · 1.25 Impact Factor
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    ABSTRACT: Objective. To evaluate the influence of the weight gain rate at 4-6 months on nutritional status and body composition in children between 4 and 7 years of age. Methods. Retrospective cohort study, sample of 257 children. Data collection was performed in two stages, with the first relating to retrospective data of weight gain from birth to the first 4-6 months of life in the patient records. Measurements of weight, height, waist circumference, and body composition in children between ages 4 and 7 years were obtained. Nutritional status was assessed by the BMI/age. Control variables, such as pregnancy, breastfeeding, lifestyle, and sociodemographics, were studied. Descriptive analysis and multiple linear regression were performed. Results. In the nutritional status assessment, the prevalence of overweight observed was 24.9%. After adjusting for control variables, it was found that the increase of the WGR at 4-6 months of age explained the occurrence of higher BMI/age, percentage of total body fat, body fat percentage in the android region, and waist circumference in children between 4 and 7 years of age. Conclusion. The increase of the WGR in the first months of life can lead to the occurrence of higher values of parameters of nutritional status and body composition in later life.
    TheScientificWorldJournal. 01/2014; 2014:616108.
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    ABSTRACT: Visceral fat accumulation is associated with several changes, such as, increased production of inflammatory biomarkers, especially, C-reactive protein (CRP) and fibrinogen. Anthropometric measurements for central adiposity evaluation, such as, waist circumference (WC) and sagittal abdominal diameter (SAD) have been highlighted. However, there is no consensus on the best anatomical site for measurement.
    Nutricion hospitalaria. 01/2014; 30(n03):663-670.
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    ABSTRACT: An accurate estimate of body composition is important in assessing and monitoring the nutritional status of adolescents. To compare the accuracy of 2 electrical bioimpedance devices with that of dual-energy X-ray absorptiometry (DXA) to predict body fat in Brazilian adolescents. We evaluated 500 adolescents aged between 10 and 19 years, stratified by sex and divided into overweight and non-overweight groups. The percentage of body fat (%BF) was estimated using 2 types of electrical bioimpedance devices: BIA1 (horizontal tetrapolar bioimpedance equipment) and BIA2 (vertical 8-electrode bioimpedance equipment), as well as by DXA. A Bland- Altman plot was used to calculate the total errors and standard errors of estimate. Considering BMI for age, 19.4% were overweight and 47.4% as assessed by %BF of DXA were overweight. The %BF estimated by BIA2 correlated well (p < 0.05) with the %BF predicted by DXA, and only the total errors for BIA2 in the overweight group were acceptable (≤2.5%). The standard errors of estimate was. Copyright AULA MEDICA EDICIONES 2014. Published by AULA MEDICA. All rights reserved.
    Nutricion hospitalaria. 01/2014; 30(n06):1270-1278.
  • Dayane de Castro Morais, Luiza Veloso Dutra, Sylvia do Carmo Castro Franceschini, Silvia Eloiza Priore
    Ciência & Saúde Coletiva 01/2014; 19(5):1475-1488. · 0.40 Impact Factor
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    ABSTRACT: this study was performed to determine the predictive capacity of four different bioelectrical impedance analysis (BIA) devices in the assessment of adolescents, with and without a protocol. a cross-sectional study was performed with 215 adolescents aged 10 to 14 years, of both genders, evaluated through anthropometry and body composition by dual energy X-ray absorptiometry (DXA) and by four different BIA devices, with and without a protocol. The following tests were used: Kolmogorov-Smirnov's, chi-squared, Student's t or Mann-Whitney's, Kruskal-Wallis's, Wilcoxon's, and kappa index. The ROC curves were constructed and the sensitivity, specificity, and positive and negative predictive values were calculated. of the 215 adolescents, 44.2% had excessive body fat. The tetrapolar BIA device equipped with eight tactile electrodes showed more sensitivity and results that were closer to those obtained by DXA (area under the ROC curve [AUC] = 0.964 with protocol and AUC = 0.973 without protocol, p < 0.001), as well as greater agreement (k = 0.67 with protocol and k = 0.63 without protocol, p < 0.001). The evaluation without protocol was similar to that by DXA in most investigated situations (p > 0.05). BIA is capable of predicting alterations in adolescents' body composition. When it is impossible to perform the assessment with a protocol, its results may be useful in population studies.
    Jornal de pediatria 09/2013; · 1.07 Impact Factor
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    ABSTRACT: OBJECTIVE To analyze methodological and ethical aspects in the sexual maturation assessment of adolescents. DATA SOURCES Books and theses, articles and legislations on the Medline, SciELO, Science Direct databases, besides institutional documents of the World Health Organization and the Pediatric Societies of Brazil and São Paulo, considering the period from 1962 to 2012. The following keywords were used in Portuguese and English: "sexual maturation", "self-assessment", "ethics", "OBJECTIVE assessment of sexual maturation", "puberty", "adolescent", and "adolescentdevelopment". DATA SYNTHESIS The sexual maturation assessment is used in populatinal studies and in clinical daily care. The direct evaluation is performed by a specialized physician, whereas the self-assessment is carried out by the adolescent. This evaluation should be carefully performed in the appropriate place, taking into account the ethical aspects. The patient should not be constrained and the physician must respect the privacy and the confidentiality. Before this evaluation and independently of the used method, the adolescent should receive information and explanation about the procedure and the tools that will be applied. Furthermore, the patient has the right to want or not an adult close to him. CONCLUSIONS Validation studies showed that self-assessment is inferior to clinical assessment and should, therefore, be performed only when the direct examination by physicians is not possible.
    Revista paulista de pediatria : orgão oficial da Sociedade de Pediatria de São Paulo. 09/2013; 31(3):398-405.
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    Luciana N Nobre, Joel A Lamounier, Sylvia do C C Franceschini
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    ABSTRACT: To investigate the determinants of dyslipidemia in preschoolers. A total of 227 preschoolers residing in an urban area of the city of Diamantina, Minas Gerais, Brazil were evaluated at age 5 years, using a cross-sectional design. Dietary intake from a food frequency questionnaire, anthropometric/biochemical parameters, and socioeconomic/behavioral information from a questionnaire were evaluated. 'Mixed diet', 'snack', and 'unhealthy' dietary patterns were identified using principal component analysis. The determinants of dyslipidemia were examined using Poisson regression analysis. The prevalence of dyslipidemia in this study was 65.19%. Preschoolers who less frequently consumed foods in the 'mixed diet' dietary pattern had a higher risk of high concentrations of low-density lipoprotein cholesterol (PR=2.30; p=0.004) when compared with those with more frequent consumption of the 'mixed diet' dietary pattern. Preschoolers whose mothers had lower levels of education presented a lower risk of high concentrations of low-density lipoprotein cholesterol (PR=0.43; p=0.003), and preschoolers who were overweight/obese presented with greater risk of high concentrations of low-density lipoprotein cholesterol (PR=2.23; p=0.003). The determinants of dyslipidemia identified in this study were less frequent consumption of foods in the 'mixed diet' dietary pattern, higher body mass index, and lower level of maternal education. This study shows that despite the young age of the group under study, they already present a high prevalence of dyslipidemia, which is an important risk factor for cardiovascular disease.
    Jornal de pediatria 07/2013; · 1.07 Impact Factor
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    ABSTRACT: Objective To assess the factors related to the presence of polycystic ovary syndrome (PCOS) in adolescents. Methods This was a cross-sectional study, with female adolescents from 15 to 18 years old, divided into: group 1 (with a medical diagnosis of PCOS) and group 2 (not diagnosed with PCOS). The height-for-age index and the body mass index were used for classifying the nutritional status, and a semi-structured questionnaire was applied. The Mann-Whitney test, Fisher's exact test, Spearman correlation coefficients, and logistic regression were used. Results This study evaluated 485 adolescents with an average age of 16.3 ± 0.9 years old. The prevalence of PCOS was 6.2%. No difference was found between the groups regarding anthropometric parameters and period of contraceptive use; however, there were differences regarding the age at menarche (p < 0.004). Older age at menarche was a protection factor against the syndrome. Conclusion An association was found between younger age at menarche and the development of the PCOS in adolescents.
    Revista da Associação Médica Brasileira 07/2013; 59(4):341–346. · 0.92 Impact Factor
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    ABSTRACT: Introduction: Brazil is experiencing a nutritional transition characterized by a reduction in the prevalence of nutritional deficits and an increase in overweight and obesity, not only in adults but also in children and adolescents. Objectives: This study was designed to evaluate the factors associated with overweight and obesity in Brazilian 5-year-old preschoolers. Methods: A cross-sectional study of a cohort of 232 preschoolers born in Diamantina/Minas Gerais, Brazil, was undertaken. The data, including socioeconomic status, anthropometry, diet, previous history of the preschoolers and family history, were collected between July of 2009 and July of 2010. To identify the factors associated with overweight and obesity, a logistic regression and a hierarchical model were undertaken. Results: Overweight and obesity occurred in 17.2% of the preschoolers. After adjusting for mother's obesity, per capita income, protective food intake, weight gain at age 0-4 months and time spent playing, the factors associated with overweight and obesity that reached statistical significance were mother's obesity [OR = 3.12 (95%CI 1.41-6.91), P = 0.01], weight gain of more than 0.85 kg/month in the first four months of life [OR = 2.16 (95%CI 1.01-4.64), P = 0.04] and lower per capita income [OR = 0.32 (95%CI 0.13-0.79), P = 0.01]. Conclusion: The results show that more weight gain during the first four months of life and being born of mothers with obesity increased the odds of overweight/ obesity in the preschoolers, while lower per capita income was a protective factor.
    Nutricion hospitalaria: organo oficial de la Sociedad Espanola de Nutricion Parenteral y Enteral 06/2013; 28(3):764-771. · 1.25 Impact Factor
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    ABSTRACT: The scope of this article is to analyze the understanding of mothers and persons responsible for infants taking ferrous sulfate supplement about anemia and its consequences, assessed by the level of adherence to supplementation. A prospective, qualitative and quantitative population study was conducted with non-anemic children not taking supplements to receive prophylactic supplementation with ferrous sulfate for six months. After six months, there was adherence to supplementation. Among the 133 children initially eligible for the study, 97 returned for the second evaluation. Of these, 4 had anemia during the follow-up and began treatment and 3 others were brought in by individuals who were unable to provide information on use of the supplement. High adherence was showed by 56.7% of children and low adherence by 43.3%, while 23.3% had interrupted supplementation due to the lack of guidance and support of the health service. Mothers and persons responsible of the two groups (high and low adherence) manifested little knowledge about anemia, its prevention and health consequences for the child. More information regarding iron deficiency anemia, routine follow-up by professionals and evaluation of the perception of individuals involved with iron supplementation is necessary.
    Ciencia & saude coletiva 03/2013; 18(3):827-36.
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    ABSTRACT: OBJECTIVE: To verify the prevalence of intestinal parasitic infections among preschoolers and to identify the associated risk factors. METHODS: The study is a cross-sectional study nested in a cohort of children who were born and resident in Diamantina, Minas Gerais, Brazil. At the time of the study, all children were aged 60 months ± five months. They were recruited after written informed consent was obtained from parents or guardians. The study was carried out between July 2009 and July 2010. In total 214 children provided a stool sample for examination on intestinal parasitic infections. Information on potential risk factors for parasitosis was obtained from parents and guardians of the children by a questionnaire. Logistic regression was used for analysis. RESULTS: Intestinal parasitic infections were found in 27·5% (n = 59) of children. The boys' infection prevalence (26·1%, n = 36) was slightly lower than the infection prevalence of the girls (30·3%, n = 23), but not statistically different (p = 0·51). Fourteen children, (23·7%) were infected with two or more parasite species and forty-five (76·3%) with single parasites. A low per capita income of family was strongly associated with an increased risk for an infection (OR = 2·89; P = 0.003). Preschoolers whose mothers did not work outside home had a significantly lower risk for infection (OR = 0·41; p = 0·01). CONCLUSION: Intestinal parasite infection is a health problem among Diamantina preschoolers. Poverty was implicated as an important risk factor for infection, while the presence of the mother at home full-time was a protective factor.
    Pathogens and global health. 03/2013; 107(2):103-106.
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    ABSTRACT: The aim of this study was to analyze body fat anthropometric equations and electrical bioimpedance analysis (BIA) in the prediction of cardiovascular risk factors in eutrophic and overweight adolescents. 210 adolescents were divided into eutrophic group (G1) and overweight group (G2). The percentage of body fat (% BF) was estimated using 10 body fat anthropometric equations and 2 BIA. We measured lipid profiles, uric acid, insulin, fasting glucose, homeostasis model assessment-insulin resistance (HOMA-IR), and blood pressure. We found that 76.7% of the adolescents exhibited inadequacy of at least one biochemical parameter or clinical cardiovascular risk. Higher values of triglycerides (TG) (P = 0.001), insulin, and HOMA-IR (P < 0.001) were observed in the G2 adolescents. In multivariate linear regression analysis, the % BF from equation (5) was associated with TG, diastolic blood pressure, and insulin in G1. Among the G2 adolescents, the % BF estimated by (5) and (9) was associated with LDL, TG, insulin, and the HOMA-IR. Body fat anthropometric equations were associated with cardiovascular risk factors and should be used to assess the nutritional status of adolescents. In this study, equation (5) was associated with a higher number of cardiovascular risk factors independent of the nutritional status of adolescents.
    International Journal of Endocrinology 01/2013; 2013:501638. · 1.52 Impact Factor

Publication Stats

352 Citations
87.09 Total Impact Points

Institutions

  • 2002–2014
    • Universidade Federal de Viçosa (UFV)
      • • Departamento de Nutrição e Saúde
      • • Departamento de Medicina e Enfermagem
      Viçosa, Minas Gerais, Brazil
  • 2013
    • Universidade Federal do Espírito Santo
      Victoria, Espírito Santo, Brazil
    • Universidade Federal dos Vales do Jequitinhonha e Mucuri
      • Departamento de Nutrição
      Tejuco, Minas Gerais, Brazil
  • 2012
    • Università Telematica "E-Campus"
      Campobasso, Molise, Italy
  • 2011–2012
    • Universidade Federal da Bahia
      Bahia, Estado de Bahía, Brazil
    • Federal University of Juiz de Fora
      Juiz de Fora, Minas Gerais, Brazil
  • 2009
    • Universidade Federal de São Paulo
      San Paulo, São Paulo, Brazil