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Gabriela Muñoz,Camilo Vergara,Gabriela Martínez,Werner Apt,Inés Zulantay 대한기생충학ㆍ열대의학회 2019 The Korean Journal of Parasitology Vol.57 No.1
In the indeterminate chronic period of Chagas disease (ChD) the treatment has not been conclusive, because the serological negativization requires many years. This study aims to evaluate the efficacy of nifurtimox (NF) in the treat- ment of chronic ChD in prolonged follow-up by serological techniques of indirect immunofluorescence assay (IFA) and enzyme-linked immunosorbent assay (ELISA) IgG comparing 2 groups of patients, treated and non treated. Mann-Whit- ney test was performed for ELISA and IFA, with significant difference between the groups (P < 0.05). IgG levels were lower in individuals treated compared with untreated patients, indicating chemotherapeutic efficacy in prolonged follow-up.
Gabriela Brum Cardoso,Gleica Dal' Ongaro Savegnago,Waneza Dias Borges Hirsch,Mariana Boessio Vizzotto,Gabriela Salatino Liedke Korean Academy of Oral and Maxillofacial Radiology 2023 Imaging Science in Dentistry Vol.53 No.-
Purpose: This study investigated the prevalence of developmental and acquired pathologic conditions associated with impacted third molars (3Ms) in a Southern Brazilian population and evaluated whether demographic and tooth characteristics were correlated with the presence of bone or tooth lesions. Materials and Methods: Panoramic radiographs were assessed for developmental (bone-related) or acquired (tooth-related) pathoses associated with impacted upper or lower 3Ms. Data on tooth positioning, tooth development, and patient demographics were collected. A trained, calibrated postgraduate student evaluated all images. Binary and multivariate logistic regression models were used to assess associations between outcomes and the demographic and radiographic variables. The threshold for statistical significance was set at 5% (P<0.05). Results: The sample comprised panoramic radiographs from 2054 patients, predominantly female (59.2%), with a mean age of 27.2±11.5 years. Overall, 4066 impacted 3Ms were evaluated, revealing 471 (11.6%) developmental and 710 (17.5%) acquired pathoses. Among the developmental pathoses, 460 (95.2%) were indicative of dentigerous cysts. Male sex, lower 3M location, vertical or distoangular positioning, and incomplete root formation were associated with an elevated likelihood of developmental pathology. Lower tooth position, complete root formation, and partial eruption were linked to an increased probability of an acquired pathology in the third or second molar. Conclusion: The prevalence of pathologic conditions associated with impacted 3Ms was low. Male sex, lower 3M placement, horizontal or distoangular positioning, and incomplete root formation were associated with developmental pathoses, while lower tooth position, complete root formation, and partial eruption were related to acquired pathoses.
Diana Gabriela Figueroa-Pina,Jorge Luis Chavez-Servin,Karina de la Torre-Carbot,Maria del Carmen Caamano-Perez,Gabriela Lucas-Deecke,Patricia Roitman-Genoud,Laura Regina Ojeda-Navarro 한국영양학회 2021 Nutrition Research and Practice Vol.15 No.2
BACKGROUND/OBJECTIVES: Increasing the consumption of vegetables and fruits in Mexico remains a challenge. Promoting sustainable food production systems through schools may be an effective way to educate young people about food and nutrition issues. A study of nutritional education in adolescents, based on the school garden, is necessary in order to evaluate its effects on the consumption of fruits and vegetables among middle- and upper-income segments of the population. The objective of this study was to evaluate the effect of an educational intervention, accompanied by a school garden as an educational teaching tool, to improve vegetable and fruit consumption by Mexican teenagers attending a private middle/high school. SUBJECTS/METHODS: Teenagers between 12 and 18 years of age (n = 126) attending a private middle/high school in Queretaro, Mexico participated in a 3-arm, controlled, comparative impact study using a vegetable and fruit consumption frequency questionnaire, food consumption diaries, a psychosocial factor assessment questionnaire of vegetable and fruit consumption, and structured interviews. The participants were randomized into 3 experimental groups: 1) food education + school garden (FE + SG), 2) FE only, and 3) control group (CG). RESULTS: The FE + SG and FE groups significantly increased the frequency and daily intake of vegetables and fruits compared to the CG. The FE + SG group showed greater understanding of, reflection upon, and analysis of the information they received about vegetable and fruit consumption, as well as a greater willingness to include these in their daily diet. CONCLUSIONS: FE accompanied by a SG as a teaching tool is more effective at promoting vegetable and fruit consumption than either education alone or control in teenagers in middle-upper income segments of the population.
Asymptotic behaviour of the LS estimator in a nonlinear model with long memory
Gabriela Ciuperca 한국통계학회 2011 Journal of the Korean Statistical Society Vol.40 No.2
The behaviour of the LS estimator in a nonlinear regression model is investigated, when both the regressors and the errors are long memory processes. The convergence rate, the asymptotic distribution of the LS estimator depend on long memory parameters, Hermite ranks and on expectation of the partial derivative with respect to the parameter of the regression function. We show that the asymptotic distribution of this estimator can be non-normal. An application of these results is presented for testing a structural change in a model with change-point. Numerical simulations confirm the theoretical results.
Gabriela García-Soto,Juan Lopez-Bautista 한국조류학회I 2018 ALGAE Vol.33 No.3
In this study, the phylogenetic relationships among the genera Alsidium C. Agardh and Bryothamnion Kützing were investigated. Phylogenetic analyses using the plastid-encoded markers rbcL, psbA, and the mitochondrial barcode region (COI-5P) resolved a well-supported clade that included the species Alsidium corallinum, Bryothamnion seaforthii, and B. triquetrum. Our results indicated that taxonomic recognition of the genus Bryothamnion is not supported and two species of Bryothamnion are reallocated to Alsidium. A reexamination of the morphological definition of Alsidium is provided with an updated diagnosis of the genus and a morphology-based comparison of species that are currently circumscribed under this generic name. Furthermore, we reviewed morphological differences and similarities between Alsidium and the genus Digenea, both belonging to the tribe Alsidieae, discussing the most relevant morphological characters.
From Success to Failure: Under What Conditions Did Mercosur Integrate?
( Gabriela Lomeu Campos ) 세종대학교 경제통합연구소 2016 Journal of Economic Integration Vol.31 No.4
The Mercado Comum do Sur (Mercosul in Portuguese) is a regional integration bloc in Latin America. Mercosur has fallen dramatically from being a regional integration bloc, experiencing remarkable success in integration to becoming a stalled bloc that has failed to meet the initial expectations set. This paper looks beyond current European-centered theories of regional integration. It tests Malamud`s (2003) theory of inter-presidentialism and Mattli`s (1999) theory of regional integration to evaluate what drove Mercosur integration. The focus is on Mercosur, from its formation in 1991 to the present day, engaging with theory, academic papers and official government speeches to identify what controlled integration in this regional bloc. This paper concludes that state leadership, especially that of Brazil`s, was and continues to be crucial in shaping the integration in Latin America. This leadership was largely influenced by the national gains, both economic and political.
Gabriela Mogos 보안공학연구지원센터 2009 International Journal of Multimedia and Ubiquitous Vol.4 No.2
Though security is nothing new, the way that security has become a part of our daily lives today is unprecedented. Today, steganography is most often associated with the high-tech variety, where data is hidden within other data in an electronic file. Steganography is hidden writing, whether it consists of invisible ink on paper or copyright information hidden in an audio or video file. This work has as purpose to expand the field of applicability of the steganography from the classical informatics to the quantum one.
( Gabriela R Lauretti ),( Claudia Cf Righeti ),( Antonio T Kitayama ) 대한통증학회 2014 The Korean Journal of Pain Vol.27 No.4
Background: Epidural administration of dexamethasone has been suggested for pain control after minor orthopedic surgery. This study was conducted to assess its efficacy after such surgery, combined or not to IV dipyrone, IV parecoxibe or their combination.Methods: 91 patients were randomly assigned to seven groups. Patients were submitted to spinal bupivacaine anesthesia combined to epidural administration of either 10 ml saline or 10 mg dexamethasone diluted to 10-ml volume. Patients also received 10 ml IV saline or 1 gr dipyrone and/or 40 mg parecoxibe diluted to 10 ml with saline. Control group (CG) received epidural and IV saline. Dexamethasone group (DexG) received epidural dexamethasone and IV saline. Dipyrone group (DipG) received epidural saline and IV dipyrone. Dex-Dip G received epidural dexamethasone and IV dipyrone. Parecoxibe group (ParG) received epidural saline and IV parecoxibe. Dex-ParG received epidural dexamethasone and IV parecoxibe. Finally, Dex-Dip-ParG received epidural dexamethasone and IV dipyrone plus IV parecoxibe.Results: The CG expressed 4h of analgesia and sooner requested pain killer. DexG was similar to DipG or ParG or Dex-ParG (7-hours), and they requested less ketoprofen compared to the CG (P < 0.05). However, the Dex-DipG and the Dex-Dip-ParG resulted in longer time to demand pain killer (17-hours) and less ketoprofen consumption in 24-hours (P < 0.002). Adverse effects were similar among groups.Conclusions: The analgesia secondary to epidural dexamethasone was enhanced by IV dipyrone, while no effects were observed by the addition of IV parecoxibe. (Korean J Pain 2014; 27: 345-352)