Rodriguez Vasquez, Mery

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Rodriguez Vasquez, Mery
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Mery Rodríguez Vásquez
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  • Publicación
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    [Food intake of students graduating from basic education in the metropolitan area of Santiago, Chile].
    (1986-09-01)
    Ivanovic, Daniza
    ;
    Aguayo, M
    ;
    Rodriguez Vasquez, Mery  
    ;
    Trufello, I
    ;
    Ballester, D
    This study pursued to evaluate the adequacy of the dietary intake of students graduating from Basic Education in the Metropolitan Area of Santiago, Chile. A random sample of 258 students from public and non-public schools (1:1), of both sexes (1:1) and from high, medium and low socioeconomic level (SEL) (1:1:1), was selected. Standard procedures for 24-hr dietary recall individual interviews were used to collect data. The students' dietary intake was then compared with the FAO/WHO 1973 Recommended Dietary Allowances. Results revealed that 53.5% and 62.0% of the sample registered a deficient and excessive intake for energy and protein, respectively. Protein contributed 13.2% of the dietary energy, fat, 27.1%, and carbohydrates, 59.8%. Animal and vegetable protein intake was found in the proportion of 1:1. As findings indicated, the dietary intake of students differed significantly according to SEL. Deficiencies in energy, vitamin A, riboflavin, niacin and calcium intake were observed, in both sexes, besides iron deficiency in the female group. It is considered that results could be useful for food and nutrition planning in school feeding programs.
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    Observation of Medium-Induced Yield Enhancement and Acoplanarity Broadening of Low-pT Jets from Measurements in pp and Central Pb-Pb Collisions at sNN=5.02 TeV
    (2024-07-09)
    S. Acharya  
    ;
    D. Adamová
    ;
    G. Aglieri Rinella
    ;
    M. Agnello
    ;
    N. Agrawal
    The ALICE Collaboration reports the measurement of semi-inclusive distributions of charged-particle jets recoiling from a high transverse momentum (high p_{T}) hadron trigger in proton-proton and central Pb-Pb collisions at sqrt[s_{NN}]=5.02 TeV. A data-driven statistical method is used to mitigate the large uncorrelated background in central Pb-Pb collisions. Recoil jet distributions are reported for jet resolution parameter R=0.2, 0.4, and 0.5 in the range 7<p_{T,jet}<140 GeV/c and trigger-recoil jet azimuthal separation π/2<Δφ<π. The measurements exhibit a marked medium-induced jet yield enhancement at low p_{T} and at large azimuthal deviation from Δφ∼π. The enhancement is characterized by its dependence on Δφ, which has a slope that differs from zero by 4.7σ. Comparisons to model calculations incorporating different formulations of jet quenching are reported. These comparisons indicate that the observed yield enhancement arises from the response of the QGP medium to jet propagation.
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    Estado nutricional y rendimiento académico en escolares de 7 a 14 años de la Institución Educativa Mi Jesús, Lurigancho, Lima
    (2017-04-11)
    Saintila, Jacksaint  
    ;
    Rodriguez Vasquez, Mery  
    Objetivo: Determinar la relación entre el estado nutricional y rendimiento académico en escolares de 7 a 14 años de la “Institución Educativa Mi Jesús”, La Era-Lima, 2016. Materiales y métodos: De enfoque cuantitativo, decorte transversal, de diseño no experimental y de tipo descriptiva-correlacional. La población estuvo conformada por 80 escolares de 1º a 6º grado de primaria y de 1º a 2º grado de secundaria. Las mediciones antropométricasque se realizaron para determinar el estado nutricional fueron: el peso (kg), la talla (cm), edad (años), Índice de Masa Corporal (IMC) y talla para la edad (T/E). Para evaluar la ingesta proteica y de minerales se aplicó uncuestionario de recordatorio de 24 horas. Para evaluar el rendimiento académico se utilizó el boletín académico de todo el año escolar. Resultados: Se evidenció que el 53% de los estudiantes presentaron un Índice de Masa Corporal dentro de lo normal, el 61.3% presentó una talla adecuada para la edad. También, el 70% ha alcanzado un rendimiento adecuado (entre logro destacado y logro previsto). Finalmente, se encontró que el 56.3% tiene una ingesta normal de proteína; referente a la ingesta de hierro, del sexo femenino, 18 presentan una ingestanormal en un 58.1% y solamente 8 presentan una ingesta alta en un 25.5%; asimismo, del sexo masculino, se observó que 25 presentan ingesta normal en un 51% y 12 tienen una ingesta alta en un 24.5% y el 53.8% presentauna ingesta normal de zinc. Conclusión: Existe relación estadísticamente significativa entre el estado nutricional y rendimiento académico (p<.05).
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    Performance of cervical cytology and HPV testing for primary cervical cancer screening in Latin America: an analysis within the ESTAMPA study
    (2023-09-20)
    Arianis Tatiana Ramírez  
    ;
    Joan Valls
    ;
    Armando Baena
    ;
    Freddy David Rojas
    ;
    Katherine Ramírez
    Background: Cervical cytology remains widely used as the initial tool in cervical cancer screening worldwide. WHO guidelines recommend replacing cytology with primary HPV testing to reach cervical cancer elimination goals. We assessed the performance of cytology and high-risk HPV testing to detect cervical precancer, cervical intraepithelial neoplasia (CIN) grade 3 or worse (CIN3+) among women aged 30-64 years participating in the ESTAMPA study. Methods: Women were screened with cytology and HPV across ESTAMPA study centres in Latin America. Screen-positives were referred to colposcopy with biopsy collection and treatment as needed. Those with no evident precancer were recalled at 18-months for a second HPV test to complete disease ascertainment. Performance indicators for cytology and HPV to detect CIN3+ were estimated. Findings: 30,606 participants with available cytology and HPV results were included in the analysis. A total of 440 histologically confirmed CIN3s and 30 cancers were diagnosed. Cytology sensitivity for CIN3+ was 48.5% (95% CI: 44.0-53.0), whereas HPV testing had a sensitivity of 98.1% (95% CI: 96.3-96.7). Specificity was 96.5% (95% CI: 96.3-96.7) using cytology and 88.7% (95% CI: 88.3-89.0) with HPV. Performance estimates varied substantially by study centre for cytology (ranging from 32.1% to 87.5% for sensitivity and from 89.2% to 99.5% for specificity) while for HPV results were more consistent across sites (96.7%-100% and 83.6-90.8%, respectively). Interpretation: The limited and highly variable sensitivity of cytology strongly supports transition to the more robust and reproducible HPV-based cervical screening to ensure progress towards global cervical cancer elimination targets in Latin America. Funding: IARC/WHO, UNDP, HRP/WHO, NCI and local funders.
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    Nutrition and education. II. Educational achievement and nutrient intake of Chilean elementary and high school graduates.
    (1991-12-01)
    Ivanovic, Daniza
    ;
    Rodriguez Vasquez, Mery  
    ;
    Marambio, Macarena
    ;
    Ballester, D
    ;
    Zacarías, Isabel
    The interrelationships between educational achievement (EA) and nutrient intake were investigated in 550 Chilean adolescent schoolers graduating from elementary and high school. The random sample included schoolers from both educational levels (1:1), from public and private schools (1:1), and from high, medium, and low socioeconomic status (SES) (1:1:1). Standard procedures for 24-hour dietary recall interviews were used to collect data, and adequacy of intake was assessed by the FAO/WHO Pattern. EA was measured by means of the Achievement Evaluation Program (AEP) and Academic Aptitude Test (AAT) in elementary and high school, respectively. In elementary school graduates, results showed a significant and positive correlation between EA (AEP) and energy, protein, riboflavin, ascorbic acid, calcium and vitamin A intake (Multiple r = 0.456 p less than 0.01; r2 = 0.208). The School Feeding Program beneficiaries who belonged to the low SES presented the lowest EA (AEP) together with a deficient nutrient intake, especially for energy, riboflavin, niacin, vitamin A and calcium, at the same time that they registered the lowest values for those anthropometric parameters, indicators of past nutrition, that is to say height-for-age, weight-for-age, head circumference-for-age and a higher upper-to-lower segment ratio, as compared with non-beneficiaries from the same SES and with those from the higher strata. In high-school graduates, EA (AAT) was found to be significantly and positively correlated with protein, calcium, riboflavin and iron intake (Multiple r = 0.438 p less than 0.001; r2 = 0.192). Nevertheless, these interrelationship are strongly related to SES and sex. Results showed that educational achievement (EA) is significantly and positively associated with nutrient intake, this fact being important for educational planning related to the School Feeding Program.
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    Short-term repeat HPV testing for triaging HPV-positive women in cervical cancer screening
    (2025-10-03)
    Armando Baena  
    ;
    Marı́a Alejandra Picconi
    ;
    Laura Mendoza
    ;
    Annabelle Ferrera
    ;
    David Mesher
    BACKGROUND: Persistent HPV infection causes cervical cancer, but most infections are transient. Triage methods identify high-risk women needing further evaluation or treatment. We assessed short-term repeat HPV testing as an alternative triage option. METHODS: In ESTAMPA, women aged 30-64 years were screened with HPV testing (HC2 or Cobas) and cytology. Screen positives were referred to colposcopy approximately two months after screening, where cervical samples were collected again for repeat HPV testing. We evaluated the performance of repeat HPV for CIN3+ among HPV-positive women and explored its combination with limited HPV genotyping (HPV16/18). RESULTS: Among 5390 HPV-positive women (including 629 CIN3 cases and 53 cancers), 61% retested positive at ~2 months (median: 1.8, interquartile range: 1.2-2.8). Repeat HPV sensitivity for CIN3+ was 81.5% (95% CI 77.2-85.2) for HC2 and 87.7% (83.7-90.8) for Cobas. Specificity was <50% with referral rates of 57.4% (55.7-59.0) and 68.2% (66.1-70.2) for HC2 and Cobas. HPV16/18 genotyping followed by repeat HPV among non-HPV16/18-positive women did not greatly improve performance. However, HPV16/18 positivity doubled the risk of CIN3+, supporting its combination with repeat HPV when available. CONCLUSIONS: Short-term repeat HPV testing could be a practical option for triaging HPV-positive women, either alone or in combination with limited HPV genotyping. TRIAL REGISTRATION: ClinicalTrials.gov, NCT01881659.
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    Diet and Lifestyle Changes During the COVID-19 Pandemic in Ibero-American Countries: Argentina, Brazil, Mexico, Peru, and Spain
    (2021-06-02)
    Enriquez-Martinez, Oscar G.
    ;
    Martins, Marcia C. T.
    ;
    Pereira, Taisa S. S.
    ;
    Pacheco, Sandaly O. S.
    ;
    Pacheco, Fabio J.
    = 1,183). Data were collected during the year 2020, between April 01 and June 30 in Spain and between July 13 and September 26, in the other countries studied using a self-administered online survey designed for the assessment of sociodemographic, employment, physical activity, health status, and dietary habits changes. Most participants (61.6%), mainly those from Spain, remained constant, without improving or worsening their pattern of food consumption. Among those who changed, a pattern of better eating choices prevailed (22.7%) in comparison with those who changed toward less healthy choices (15.7%). Argentina and Brazil showed the highest proportion of changes toward a healthier pattern of food consumption. Peruvians and Mexicans were less likely to make healthy changes in food consumption (OR: 0.51; 95% CI: 0.4-0.6 and OR: 0.69; 95% CI: 0.4-0.8, respectively), when compared to Argentinians. Most respondents did not change their pattern of meal consumption, but those who did reduced their consumption of main meals and increased intake of small meals and snacks. Although most participants affirmed to be doing physical activity at home, about one-half reported perception of weight gain. Individuals with alterations in sleep pattern (either by increasing or decreasing sleep time) were more likely to change their diets to a healthier pattern. In contrast, individuals with confirmed diagnosis of COVID-19 and those who reported feeling anxious were more likely to perform changes to a less healthy eating pattern (OR: 1.72; 95% CI: 1.2-2.3 and OR: 1.21; 95% CI: 1.1-1.4, respectively). In conclusion, although most participants remained constant in their eating habits, lifestyle changes and anxiety feelings were reported. Among those who changed patterns of food consumption, healthier choices prevailed, with differences between countries. However, there were alterations in the distribution of meals, with higher consumption of snacks and small meals. These results can be used to guide policies to prevent deleterious consequences that may affect the incidence of chronic diseases.
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    Morphological, yield, and nutritional characteristics of Chicory (Cichorium intybus L.) and Plantain (Plantago lanceolata L.) according to cutting interval in Peruvian Andes
    (2026-04-24)
    Ysai Paucar  
    ;
    Saida Tecsi-Taipe
    ;
    Luis H. Zagaceta-Llanca
    ;
    Misael Rodríguez
    ;
    Tony Vargas
    In Peru, the high Andean regions made up of grasslands are important for the sustainability of local systems. Improving and promoting the sustainability of forage production and quality allows producers to be resilient in the face of constant environmental changes. In this study, the morphological characteristics (plant height, leaf length and width), yield (fresh and dry matter) and nutritional characteristics [ash, ether extract, crude protein (CP), crude fiber, neutral detergent fiber (NDF), acid detergent fiber (ADF), in vitro digestibility of dry matter (IVDMD), nitrogen-free extract (NFE) and gross energy] of Cichorium intybus L. and Plantago lanceolata L. were evaluated, according to the cutting interval. Six experimental plots were implemented, three per species in each of C. intybus and P. lanceolata . An analysis of variances under a linear mixed model was performed of morphological and yield characteristics, including the cutting interval (28, 35 and 42 days), and the harvest (1, 2, 3 and 4 harvests) as fixed effects, while the plants were considered as a random effect. Tukey’s multiple comparisons test (p < 0.05) was used to group the results by species using R software. The number of leaves in C. intybus and P. lanceolata were higher at a cutting interval of 42 days of age and in the third and fourth harvest (p<0.05). The dry matter yield of C. intybus and P. lanceolata at 42 days was higher than that of the 28 and 35 days cut, with values of 1645 kg/ha and 1545 kg/ha, respectability. The nutritional parameters of C. intybus and P. lanceolata varied significantly according to harvest age (p<0.05). Ash, CP, NDF and ADF decreased, while IVDMD and NFE increased according to age. The CP concentration was 20.84% at 28 days, 18.99% at 35 days and 17.82% at 42 days in C. intybus and 19.29% at 28 days, 17.80% at 35 days and 15.17% at 42 days, while the IVDMD increased from 88.5% to 94.00% in C. intybus and 77.82% to 88.65% in P. lanceolata . Harvest age is key to optimizing yield and quality of C. intybus and P. lanceolata in high Andean livestock systems.
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    Selection and adaptive introgression guided the complex evolutionary history of the European common bean
    (2023-04-05)
    Elisa Bellucci  
    ;
    Andrea Benazzo
    ;
    Chunming Xu
    ;
    Elena Bitocchi
    ;
    Monica Rodriguez
    Domesticated crops have been disseminated by humans over vast geographic areas. Common bean (Phaseolus vulgaris L.) was introduced in Europe after 1492. Here, by combining whole-genome profiling, metabolic fingerprinting and phenotypic characterisation, we show that the first common bean cultigens successfully introduced into Europe were of Andean origin, after Francisco Pizarro's expedition to northern Peru in 1529. We reveal that hybridisation, selection and recombination have shaped the genomic diversity of the European common bean in parallel with political constraints. There is clear evidence of adaptive introgression into the Mesoamerican-derived European genotypes, with 44 Andean introgressed genomic segments shared by more than 90% of European accessions and distributed across all chromosomes except PvChr11. Genomic scans for signatures of selection highlight the role of genes relevant to flowering and environmental adaptation, suggesting that introgression has been crucial for the dissemination of this tropical crop to the temperate regions of Europe.
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