42 results on '"Rivero, Mariana A."'
Search Results
2. Endometriosis: A Comprehensive Analysis of the Pathophysiology, Treatment, and Nutritional Aspects, and Its Repercussions on the Quality of Life of Patients.
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Cano-Herrera, Gabriela, Salmun Nehmad, Sylvia, Ruiz de Chávez Gascón, Jimena, Méndez Vionet, Amairani, van Tienhoven, Ximena A., Osorio Martínez, María Fernanda, Muleiro Alvarez, Mauricio, Vasco Rivero, Mariana Ximena, López Torres, María Fernanda, Barroso Valverde, María Jimena, Noemi Torres, Isabel, Cruz Olascoaga, Alexa, Bautista Gonzalez, Maria Fernanda, Sarkis Nehme, José Antonio, Vélez Rodríguez, Ignacio, Murguiondo Pérez, Renata, Salazar, Felipe Esparza, Sierra Bronzon, Ana Gabriela, Rivera Rosas, Eder Gabriel, and Carbajal Ocampo, Dante
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LITERATURE reviews ,ENDOMETRIOSIS ,PHYSICAL activity ,QUALITY of life ,CHRONIC pain - Abstract
Endometriosis is a chronic proinflammatory pathology characterized by the growth of tissue similar to the endometrium outside the uterus, affecting approximately 5 to 15% of women worldwide. Suffering from endometriosis entails a complex pathophysiological process, significantly impacting the quality of life and reproductive function of affected women; therefore, it must be addressed in a personalized and comprehensive manner, as its management requires a multidisciplinary approach. This article aims to conduct a comprehensive literature review of endometriosis, not only as a pathophysiological condition but also as a significant factor impacting the social, nutritional, and mental well-being of those who experience it. Emphasis is placed on the importance of understanding and assessing the impact of the pathology to provide a better and more comprehensive approach, integrating various alternatives and strategic treatments for the factors involved in its development. The aim is to provide a complete overview of endometriosis, from its pathophysiology to its impact on the quality of life of patients, as well as a review of current treatment options, both pharmacological and alternative, in order to broaden the perspective on the pathology to improve the care of patients with this disease. [ABSTRACT FROM AUTHOR]
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- 2024
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3. TRICHINELLA INFECTION IN CULLED WILD BOAR (SUS SCROFA) FROM EL PALMAR NATIONAL PARK, ARGENTINA, AND EXPOSURE RISK IN HUMANS AND DOGS CONSUMING WILD BOAR MEAT.
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Santos, Agostina Tammone, Riva, Eliana, Condorí, Walter E., Fernández, Valentina, Rodriguez, Marcelo G., Rivero, Mariana A., Faraco, Matias, Aguirre, Pablo, Loyza, Lorena, Caselli, Andrea E., Uhart, Marcela M., and Estein, Silvia M.
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Trichinellosis is a foodborne disease caused by ingestion of raw or undercooked meat containing Trichinella spp. larvae. Consumption of wild boar (Sus scrofa) meat represents an important source of human trichinellosis worldwide. In El Palmar National Park (EPNP), Argentina, invasive alien wild boars are controlled and meat from culled animals is released for public consumption following on-site artificial digestion (AD) testing. Meat trimmings and offal from the control program are often used as food for dogs (Canis familiaris). We evaluated infection and exposure to Trichinella spp. in wild boars from EPNP, as well as exposure to Trichinella spp. and associated risk factors in dogs and human consumers of wild boar meat. Trichinella spp. larvae were detected in muscle samples from 5/49 wild boars by AD (10.2%; 95% confidence interval [CI], 3.8%–23%), with a mean burden of 0.24 larvae per gram (lpg; range, 0.06–0.95 lpg). Anti-Trichinella antibodies were not detected in wild boar serum samples (n=42). In dogs, 12/34 were seropositive to Trichinella spp. (35.29%; 95%, CI, 20.3%–53.5%). Immunoglobulin (Ig) G antibodies were not detected in human serum samples (n=63). Our results reveal the presence, albeit at low prevalence, of Trichinella spp. in wild boars and exposure in dogs fed game offal. These findings suggest that the low prevalence and parasitic load in wild boars, together with the best practices applied by EPNP culling program personnel, contribute to keeping the risk of infection in people low. The dog results highlight that the parasite is circulating in the area, and therefore the risk of infection is not negligible. We recommend the implementation of an animal surveillance strategy in order to monitor the evolution of this zoonosis in the study area. [ABSTRACT FROM AUTHOR]
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- 2024
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4. Exploring hepatitis E virus seroprevalence and associated risk factors among the human population in Tandil, Buenos Aires, Argentina
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Rivero, Mariana Alejandra, primary, Arce, Lorena Paola, additional, Gutiérrez, Silvina Elena, additional, Tisnés, Adela, additional, Passucci, Juan Antonio, additional, Silva, Julia Analia, additional, Barón Prato, Ayelén, additional, Sánchez, Florencia, additional, Matias Brancher, Julia, additional, Estein, Silvia Marcela, additional, and Vizoso-Pinto, María Guadalupe, additional
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- 2023
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5. Comparison of qPCR and Morphological Methods For Detection of Acarapis Woodi in Honey Bee Samples
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Quintana Silvina, Szawarski Nicolás, Sarlo Gabriel, Medici Sandra, Rivero Mariana, Eguaras Martin, and Maggi Matias
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acarapis woodi ,apis mellifera ,internal control ,optical microscopy diagnosis ,real time pcr ,Zoology ,QL1-991 - Abstract
The honey bee tracheal mite Acarapis woodi is an internal obligate parasite of adult honey bees (Apis mellifera). The small size of the mites and location within the bee’s trachea create a challenge for diagnostic identification. Detailed assessment of low-level mite infestation involves microscopic examination of the bee’s tracheae, but this traditional diagnostic method takes a long time. In recent years, new molecular diagnostic techniques have been developed to identify A. woodi with the use of PCRs. The purpose of this study was to compare the diagnostic sensitivity of microscopic examination and qPCR method for the detection of A. woodi in honey bee samples. Thirty-six samples were analyzed with both methods and qPCR was more sensitive than the microscopic method to detect A. woodi. This work demonstrates the practical application of molecular technology as a support tool for surveys and contingency management and to provide robust surveillance data on the presence or absence of A. woodi in honey bee colonies.
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- 2019
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6. Seroprevalencia y factores de riesgo de brucelosis y leptospirosis en cerdos en comunidades rurales de Argentina
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Silva, Julia, primary, Scialfa, Exequiel Alejandro, additional, Gutiérrez, Silvina Elena, additional, Tisnés, Adela, additional, Rodríguez, Marcelo Gastón, additional, Estein, Silvia Marcela, additional, and Rivero, Mariana Alejandra, additional
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- 2023
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7. Epidemiology of Leptospira spp. infection in a beef cattle area of Argentina
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Mazzanti, Mariana, primary, Scialfa, Exequiel, additional, Rivero, Mariana, additional, and Passucci, Juan, additional
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- 2023
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8. Seroprevalence of human leptospirosis in a rural community from Tandil, Argentina. Assessment of risk factors and spatial analysis
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Silva, Julia A., primary, Scialfa, Exequiel A., additional, Tringler, Matías, additional, Rodríguez, Marcelo G., additional, Tisnés, Adela, additional, Linares, Santiago, additional, and Rivero, Mariana A., additional
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- 2023
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9. Arjantin'de Et Üretimi Amaçlı Tavşan Yetiştiriciliği Yapan Küçük Ölçekli Bir Çiftliğin Ekonomik Analizi
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Exequiel SCİALFA, Rodriguez MARCELO, Rivero MARİANA, and Pane SLOEDAD
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Rabbit ,Meat production ,Argentine ,Small-farm ,Economics efficiency ,Ziraat, Sütçülük ve Hayvan Bilimleri ,Tavşan ,Et Üretimi ,Arjantin ,Küçük Çiftlik ,Ekonomik Verimlilik ,General Medicine ,Agriculture, Dairy and Animal Science - Abstract
Rabbits in Argentina are mostly produced by rural farmers who maintain small-scale operations for meat and complements other farm activities. The main meats consumed in Argentine are beef (46.1 kg/per capita/year), poultry (45.2 kg/per capita/year), pork (14.6 kg/per capita/year) and sheep (1.06 kg/per capita/year); respect to rabbit meat, not exceed 2 g/per capita/year. The objective of this study was to analyze the economic efficiency and feed cost of rabbit production for meat in a small-scale farm of Argentina. The global FCR was of 5.7, and an average of 15.9 kg/animal were required to produce live weight of slaughtered one rabbit of 2.85 kg. The average of rabbit price/feed price and the relation of rabbit meat price/feed price was of ratio was of 15.2 and 10.8 respectively. The global FCR worsens when the productivity values are lower than 2.5 animals/doe/month. The profit obtained for each commercialized rabbit was very low (USD 0.06/animal). Within the strategies to develop the productive chain of rabbit meat in Argentina, it should aim to stimulate the consumption habit promoting the high nutritional quality of the meat, improve the superior price ratio with respect to other meats such as chicken and pork., Arjantin'de tavşan eti, çoğunlukla diğer çiftlik faaliyetlerini tamamlamak üzere küçük ölçekli tavşan yetiştiriciliği yapan kırsal çiftçiler tarafından üretilmektedir. Arjantin'de tüketilen başlıca etler; sığır (46.1 kg/kişi/yıl), kümes hayvanları (45.2 kg/kişi/yıl), domuz (14.6 kg/kişi/yıl) ve koyun (1.06 kg/kişi/yıl) eti olup tavşan eti için kişi başı yıllık tüketim 2 gr'ı geçmez. Bu çalışmanın amacı, Arjantin'de küçük ölçekli bir çiftlikte et üretimi için yapılan tavşan yetiştiriciliğinin ekonomik verimliliğini ve yem maliyetini analiz etmektir. Küresel bazda yem dönüştürme oranı (YDO) 5.7 olup, 2.85 kg canlı ağırlıkta kesilmiş bir tavşan üretmek için ortalama hayvan başına 15.9 kg yem gerekir. Tavşan fiyatı/yem fiyatı ortalaması ve tavşan eti fiyatı/yem fiyatı ilişkisi sırasıyla 15.2 ve 10.8 oranında olmuştur. Küresel YDO, üretkenlik değerleri 2.5 hayvan/gey/ay'dan düşük olduğunda kötüleşir. Ticarileştirilmiş her tavşan için elde edilen kar çok düşüktü (0,06 USD/hayvan). Arjantin'de tavşan etinin üretken zincirini geliştirme stratejileri içinde, etin yüksek besin kalitesini teşvik ederek tüketim alışkanlığını teşvik etmeyi, tavuk ve domuz eti gibi diğer etlere göre fiyat oranını iyileştirmeyi amaçlamaktadır.
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- 2022
10. Seroprevalence and associated risk factors for brucellosis and leptospirosis in swine raised in small-scale farms from rural communities of Tandil county (Buenos Aires province, Argentina)
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Silva, Julia A., primary, Scialfa, Exequiel A., additional, Gutiérrez, Silvina E., additional, Tisnés, Adela, additional, Rodríguez, Marcelo G., additional, Estein, Silvia M., additional, and Rivero, Mariana A., additional
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- 2022
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11. Proyectos e instrumentos aplicados para la gestión sanitaria frente al Covid–19: alcances, perspectivas y desafíos
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La Macchia, María Lorena, primary, Tisnés, Adela, additional, Rivero, Mariana, additional, Baron Prato, Ayelén, additional, and Passucci, Juan A., additional
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- 2022
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12. Seropositivity to Shiga toxin 2 among Argentinian urban and rural residents. Association with sociodemographic and exposure factors.
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Rivero, Mariana Alejandra, Krüger, Alejandra, Rodríguez, Edgardo Mario, Porchietto, Marcelo Lisandro Signorini, and Lucchesi, Paula María Alejandra
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BIOLOGICAL models ,CATTLE ,IMMUNOGLOBULINS ,CONFIDENCE intervals ,RURAL conditions ,ANIMAL experimentation ,CROSS-sectional method ,WESTERN immunoblotting ,MULTIVARIATE analysis ,COOKING ,MANN Whitney U Test ,HEALTH literacy ,T-test (Statistics) ,ESCHERICHIA coli diseases ,RESEARCH funding ,DESCRIPTIVE statistics ,CHI-squared test ,SOCIODEMOGRAPHIC factors ,BACTERIAL toxins ,METROPOLITAN areas ,HEMOLYTIC-uremic syndrome ,LOGISTIC regression analysis ,DATA analysis software ,EDUCATIONAL attainment - Abstract
Background Shiga toxin-producing Escherichia coli (STEC) are enteric pathogens that cause hemolytic-uremic syndrome (HUS). Ruminants, especially cattle, are their main reservoir. This study describes the seroepidemiology of STEC in rural and urban populations in Argentina, a country with a high HUS incidence. Methods A cross-sectional study was performed in patients without gastrointestinal symptoms. IgG antibodies against Stx2 were detected by western blotting. Results Anti-Stx2 antibodies were detected in 14.56% of serum samples, more frequently in rural (19.38%) than urban residents (12%). Seropositivity was associated with lower socioeconomic status (SES). Among the other variables considered, thawing homemade hamburgers before cooking them, and the lack of knowledge about HUS were also associated with seropositivity. A multivariate logistic regression analysis performed with the variables that were statistically significant showed that only the SES index remained significant. As SES was measured based on several variables, we further analyzed each one of them and found that the lack of a high education level was statistically associated with seropositivity. Conclusions The present findings have implications for STEC prevention efforts, highlighting the importance of considering SES and risks factors linked to different SES levels when targeting consumer-level public health interventions. [ABSTRACT FROM AUTHOR]
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- 2023
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13. Leptospiral infection: a serosurvey in urban and rural communities in Olavarría county, Argentina
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Rivero, Mariana Alejandra, primary, Scialfa, Exequiel Alejandro, additional, Appendino, Héctor Mario, additional, Barbero, Melina, additional, Barragán, Paola, additional, Martin, Félix Carlos, additional, Morón, Betsabé, additional, Silva, Julia Analia, additional, Tisnés, Adela, additional, Estein, Silvia Marcela, additional, Signorini, Marcelo Lisandro, additional, González Ayala, Silvia Elena, additional, and Bolpe, Jorge, additional
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- 2022
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14. EXCRECIÓN DE OOQUISTES DE EIMERIA EN CONEJOS INFECTADOS NATURALMENTE EN UNA GRANJA DE PRODUCCIÓN DE CARNE
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Exequiel, Scialfa, Allende, Luz, Fariña, Fernando, Quintana, Silvina, Rivero, Mariana, Rodriguez, Marcelo, and Pane, Soledad
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conejos ,rabbits ,conejas reproductoras ,camadas ,reproductive does ,litters ,Eimeria ,OPG ,coccidiosis - Abstract
Coccidiosis is cause of economic losses due to weight loss and growth retardation, decreased feeding efficiency, diarrhea and death of weaning rabbits. The main objective of the work was to evaluate the dynamic change of Eimeria oocyst shedding in the reproductive stage and in weaned litters during the fattening period, in a farm for meat production, with a history of coccidiosis infection. A faecal sample of the following physiological condition was obtained weekly: gestation (G1, G2, G3 and G4) and lactation (L1, L2, L3 and L4), not pregnant or not lactating were also included (V). In weaned rabbits, faecal sample / litters were obtained weekly, until rabbits reached the slaughter weight (2.5 kg). All samples were examined by flotation and the McMaster method. Co-infection with six species of the genus Eimeria could be observed in all positive animals. The infection rate in rabbits varied according to physiological state, being 22.7% (G3- L3), 13.4% (G4), 9.1% (G1-L4), 20% (GL), 4.6% (G2-L2). During the first week of lactation (L1), no positivity was observed. Parasitic loads ranged from 40 to 13820 OPG; the highest counts were observed in L2 and G3. In the second half of lactation, females have seven times the risk of excreting oocysts in the feces compared to the first half. Litter rabbits excreted oocyst during all fattening period; however, during weeks 3 to 7 the oocyst excretion was higher. This is the first report in which it is described the oocysts mixture of six Eimeria species (E. vejdovskyi, E. coecicola, E. magna, E. exigua, E. media and E. stiedae) from the rabbit for meat production in the region. These findings show that breeding rabbits are asymptomatic carriers of coccidian infections and can shed oocysts at any time during the reproductive cycle. Coccidiosis is cause of economic losses due to weight loss and growth retardation, decreased feeding efficiency, diarrhea and death of weaning rabbits. The main objective of the work was to evaluate the dynamic change of Eimeria oocyst shedding in the reproductive stage and in weaned litters during the fattening period, in a farm for meat production, with a history of coccidiosis infection. A faecal sample of the following physiological condition was obtained weekly: gestation (G1, G2, G3 and G4) and lactation (L1, L2, L3 and L4), not pregnant or not lactating were also included (V). In weaned rabbits, faecal sample / litters were obtained weekly, until rabbits reached the slaughter weight (2.5 kg). All samples were examined by flotation and the McMaster method. Co-infection with six species of the genus Eimeria could be observed in all positive animals. The infection rate in rabbits varied according to physiological state, being 22.7% (G3- L3), 13.4% (G4), 9.1% (G1-L4), 20% (GL), 4.6% (G2-L2). During the first week of lactation (L1), no positivity was observed. Parasitic loads ranged from 40 to 13820 OPG; the highest counts were observed in L2 and G3. In the second half of lactation, females have seven times the risk of excreting oocysts in the feces compared to the first half. Litter rabbits excreted oocyst during all fattening period; however, during weeks 3 to 7 the oocyst excretion was higher. This is the first report in which it is described the oocysts mixture of six Eimeria species (E. vejdovskyi, E. coecicola, E. magna, E. exigua, E. media and E. stiedae) from the rabbit for meat production in the region. These findings show that breeding rabbits are asymptomatic carriers of coccidian infections and can shed oocysts at any time during the reproductive cycle. La coccidiosis es causa de pérdidas económicas debido a pérdida de peso, retraso del crecimiento, disminución de la eficiencia alimentaria, diarrea y muerte de conejos. El objetivo del trabajo fue evaluar la excreción de ooquistes de Eimeria en hembras reproductoras y sus camadas destetadas durante el período de engorde, en una granja para la producción de carne, con antecedentes de infección por coccidiosis. Se recolectó semanalmente una muestra fecal de las conejas para las siguientes condiciones fisiológicas: gestación (G1, G2, G3 y G4) y lactancia (L1, L2, L3 y L4), también se incluyeron aquellas hembras vacías, es decir que no estaban gestando o lactando (V). En conejos destetados, se recolectaron muestras fecales / camadas / semana, hasta alcanzar el peso de faena. Las muestras se examinaron mediante el método de flotación la cámara McMaster. Se observó co-infección con seis especies del género Eimeria en todos los animales positivos. La tasa de infección varió según la condición fisiológica de la coneja, siendo 22,7% (G3-L3), 13,4% (G4), 9,1% (G1-L4), 20% (GL), 4,6% (G2-L2). Las cargas parasitarias variaron de 40 a 13820 OPG; los recuentos más altos se observaron en L2 y G3. En la segunda mitad de la lactancia, las hembras tienen siete veces más riesgo de excretar ooquistes en las heces en comparación con la primera mitad. Los conejos excretaron ooquistes durante todo el período de engorde; sin embargo, durante las semanas 3 a 7 la excreción fue mayor. Este es el primer informe en el que se describe la presencia de ooquistes de seis especies de Eimeria species (E. vejdovskyi, E. coecicola, E. magna, E. exigua, E. media and E. stiedae) en conejos de la región. Estos hallazgos muestran que los conejos reproductores son portadores asintomáticos de infecciones por coccidias y pueden arrojar ooquistes en cualquier momento durante el ciclo reproductivo.
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- 2021
15. Seropositivity to Shiga toxin 2 among Argentinian urban and rural residents. Association with sociodemographic and exposure factors
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Rivero, Mariana Alejandra, primary, Krüger, Alejandra, additional, Rodríguez, Edgardo Mario, additional, Signorini Porchietto, Marcelo Lisandro, additional, and Lucchesi, Paula María Alejandra, additional
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- 2021
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16. Recursos no farmacológicos para el alivio del dolor durante el trabajo de parto: Informe de experiencia y revisión
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Tibola, Caroline, Rivero, Mariana Maydana, Pacheco, Amanda Fernandes, Marcelo, Inaê de Oliveira, Correa, Sara Lima Pereira, Canova, Juliana Möbs, Morais, Ruthy Cristina Silva, Minuzzi, Pietra de Vargas, Vargas-Ferreira, Fabiana, and Ferreira, Fernanda Vargas
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Trabajo de parto ,Modalidades de fisioterapia ,Labor pain ,Dor do parto ,Dolor de parto ,Physical therapy specialty ,Revisión ,Trabalho de parto ,Revisão ,Labor ,Revision - Abstract
Introduction: Pain during labor can be modulated by non-pharmacological agents, however, its mechanisms are not fully elucidated. The purposes of this study were to identify scientifical productions in the literature regarding non-pharmacological methods for pain relief during labor in association with an experience report. Methods: It is an integrative review conducted through access to VHL, Embase and MEDLINE databases using the keywords, respectively, from DECS, Emtree e MESH in 2021 february. Full articles in English, Portuguese or Spanish from original researches were included in the time cut from 2015 to 2020, and which presented non-pharmacological methods for pain relief during labor. In addition, this work aimed to describe an undergraduate experience in the Physical Therapy course in a public maternity of a city in the countryside of Rio Grande do Sul (Brazil). Results: Twenty articles highlighting the issue were found which applied massage, walking, vertical positions, breathing exercise technique, pelvic exercise, musicotherapy, birth ball, warm aspersion or immersion, kinesio taping and tanscutaneous electrical stimulation (TENS). Extension program involved 13 parturients who were assisted by, in an isolated and combined manner, with therapeutic methods; in addition, we encouraged freedom of movement and vocalization. Conclusion: These methods bring to the conclusion that may be comfort measures in the assistance according to the integrative review. Further studies are required in order to qualify and strengthen physiotherapeutic approach in labor. Introducción: El dolor durante el trabajo de parto puede ser modulado por agentes no farmacológicos, sin embargo, sus mecanismos no están completamente aclarados. Los objetivos eran identificar la evidencia científica sobre recursos no farmacológicos para el alivio del dolor durante el trabajo de parto en asociación con un informe de experiencia. Método: Revisión integrativa de la literatura realizada a través del acceso a las bases de datos BVS, Embase y MEDLINE con descriptores, respectivamente, de DECS, Emtree y MESH en febrero de 2021. Se incluyeron artículos de investigación original, en su totalidad, en inglés, portugués o español, en el tiempo. marco de 2014 a 2020 y que presentó el uso de recursos no farmacológicos para el alivio del dolor en parturientas. Adicionalmente, reportamos una experiencia de extensión vivida por estudiantes del Curso de Fisioterapia en una maternidad pública en el interior de Rio Grande do Sul. Resultados: Se encontraron 20 artículos que utilizaban, de manera aislada o combinada, terapia de masaje, deambulación, posturas verticales, pélvicas. y ejercicios de respiración, musicoterapia, pelota de reparto, rociado o baño de inmersión, vendaje y electroestimulación transcutánea (TSE). La acción de extensión involucró a 13 parturientas que fueron asistidas con recursos terapéuticos, además de incentivar la libertad de movimiento y vocalización. Conclusión: Por tanto, dichos métodos pueden ser medidas de comodidad en la atención según la revisión integradora. Se sugiere que se realicen más estudios, buscando calificar y fortalecer el abordaje fisioterapéutico en el trabajo de parto. Introdução: A dor durante o trabalho de parto pode ser modulada por agentes não farmacológicos, todavia, seus mecanismos não estão completamente elucidados. Os objetivos foram identificar evidências científicas sobre recursos não-farmacológicos para o alívio da dor no trabalho de parto em associação a um relato de experiência. Metodologia: Revisão integrativa da literatura realizada através do acesso às bases de dados BVS, Embase e MEDLINE com descritores, respectivamente, do DECS, Emtree e MESH em fevereiro de 2021. Foram incluídos artigos oriundos de pesquisa original, na íntegra, em inglês, português ou espanhol, no recorte temporal de 2014 a 2020 e que apresentassem o uso de recursos não-farmacológicos para alívio da dor em parturientes. Adicionalmente, relata-se uma experiência de extensão vivenciada por discentes do Curso de Fisioterapia em maternidade pública do interior do Rio Grande do Sul. Resultados: Encontraram-se 20 artigos que empregaram de forma isolada ou combinada massoterapia, deambulação, posturas verticais, exercícios pélvicos e respiratórios, musicoterapia, bola de parto, banho de aspersão ou de imersão, taping e eletroestimulação transcutânea (EET). A ação de extensão envolveu 13 parturientes que foram assistidas com recursos terapêuticos, além do estímulo à liberdade de movimento e de vocalização. Conclusão: Tais métodos podem ser medidas de conforto na assistência de acordo com a revisão integrativa e com o relato de experiência. Sugere-se que novos estudos sejam realizados, buscando qualificar e fortalecer a abordagem fisioterapêutica no trabalho de parto.
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- 2021
17. Recursos não-farmacológicos para alívio da dor no trabalho de parto: Relato de experiência e revisão integrativa
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Tibola, Caroline, primary, Rivero, Mariana Maydana, additional, Pacheco, Amanda Fernandes, additional, Marcelo, Inaê de Oliveira, additional, Correa, Sara Lima Pereira, additional, Canova, Juliana Möbs, additional, Morais, Ruthy Cristina Silva, additional, Minuzzi, Pietra de Vargas, additional, Vargas-Ferreira, Fabiana, additional, and Ferreira, Fernanda Vargas, additional
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- 2021
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18. Global feed conversion in semi-intensive rabbit production system of Argentina
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Benson Silvia, Rivero Mariana, Scialfa Exequiel, and Pane Soledad
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040301 veterinary sciences ,media_common.quotation_subject ,Argentina ,Semi intensive ,Biology ,Feed conversion ratio ,0403 veterinary science ,Animal science ,Food Animals ,Animals ,media_common ,Production system ,business.industry ,Production cost ,Reproduction ,Body Weight ,0402 animal and dairy science ,04 agricultural and veterinary sciences ,040201 dairy & animal science ,Animal Feed ,Price ratio ,Animal Science and Zoology ,Livestock ,Rabbits ,business ,Sale price - Abstract
The global feed conversion is a variable used to measure feed efficiency in production systems. The number of rabbits produced/doe/year is the most influential factor on production cost. Feeding can be considered a variable cost in livestock, because it varies with the number of rabbits, and that cost becomes diluted when the number of rabbits produced increases. The aim of the present work was to analyze factors that influenced the global feed conversion ratio (FCR) of a semi-intensive rabbit production system of Azul, Buenos Aires province, Argentina. Five breeds (Californian, New Zealand White, New Zealand Black, Butterfly, and Fauve de Bourgogne) were used. The doe productivity varied according to the applied reproduction rhythm (p=0.002), being an average of 1.29±0.09 animal produced/doe/month for the rhythm of 52 days, and 2.38±0.28 for the rhythm of 42 days. The fertility rate was on the average 65% and 77% for the reproductive rhythm of 52 to 42 days respectively. A total of 20,091 kg of feed was required to produce 1027 rabbits (19.6 kg/animal), with a global feed conversion rate of 6.9. The slaughter weight varied according to the applied reproduction rhythm (p=0.008), with an average of 2.79±0.10 kg. However, in the first period, rabbits were heavier (3.31±0.15 kg). The rabbit/feed price ratio was 12.8 to 16 depending on the sale price (retail or wholesale), respectively. The doe productivity was different according the reproductive rhythm applied, and this affected the FCR and the feed consumed/rabbit produced.
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- 2020
19. Análisis espacial de la seropositividad de leptospirosis humana en un espacio rururbano del partido de Tandil mediante Sistemas de Información Geográfica
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Silva, Julia Analia, Rivero, Mariana Alejandra, Scialfa, Exequiel Alejandro, and Linares, Santiago
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purl.org/becyt/ford/3.3 [https] ,REGRESIÓN LOGÍSTICA ,SISTEMAS DE INFORMACIÓN GEOGRÁFICA (SIG) ,ANÁLISIS CENTROGRÁFICO ,purl.org/becyt/ford/3 [https] ,LEPTOSPIROSIS - Abstract
La leptospirosis es la zoonosis de mayor distribución mundial, endémica en Argentina. Las herramientas de análisis espacial contenidas en los Sistemas de Información Geográfica permiten evaluar las correlaciones entre determinantes socioeconómicos y ambientales de la leptospirosis, conocer sus posibles causas y tomar decisiones aplicables en base a información precisa y confiable. En este trabajo se tomó como caso de estudio la localidad de María Ignacia Vela, en el partido de Tandil, la cual presenta una dinámica social y configuración territorial con estrecha vinculación rural y urbana. El trabajo persiguió dos objetivos, en primera instancia, detectar la existencia de patrones de distribución espacial de la seropositividad a leptospirosis y en segundo lugar, modelar un escenario predictivo de la probabilidad de infección por Leptospira spp. en el área de estudio. Para detectar positividad a Leptospira spp. se realizó el diagnóstico serológico a través de la técnica de microaglutinación (MAT). Con los resultados de laboratorio, la información obtenida a partir de encuestas y la georreferencia de los participantes se aplicaron técnicas de análisis estadísticos y espaciales aplicando los softwares EpiInfo versión 3.5.3, InfoStat versión 2018 y ArcGIS 10.6. Las relaciones espaciales halladas entre los determinantes estudiados y la seropositividad a Leptospira spp. facilitarán la definición de estrategias específicas que contribuyan a mejorar la toma de decisiones territoriales en cuestiones de salud en las áreas rururbanas. Fil: Silva, Julia Analia. Universidad Nacional del Centro de la Provincia de Buenos Aires. Centro de Investigación Veterinaria de Tandil. Provincia de Buenos Aires. Gobernación. Comision de Investigaciones Científicas. Centro de Investigación Veterinaria de Tandil; Argentina Fil: Rivero, Mariana Alejandra. Universidad Nacional del Centro de la Provincia de Buenos Aires. Facultad de Ciencias Veterinarias. Departamento de Sanidad Animal y Medicina Preventiva. Laboratorio de Inmunoquímica y Biotecnología; Argentina Fil: Scialfa, Exequiel Alejandro. Provincia de Buenos Aires. Ministerio de Salud. Departamento Zoonosis Rurales; Argentina Fil: Linares, Santiago. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Tandil. Instituto de Geografía, Historia y Ciencias Sociales. Universidad Nacional del Centro de la Provincia de Buenos Aires. Instituto de Geografía, Historia y Ciencias Sociales; Argentina
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- 2020
20. Epidemiology of Hydatidosis in Cattle for Consumption in the Andean Region of Parallel 42
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Rau, Elizabeth, Rivero, Mariana Alejandra, Tisnés, Adela, and Fernández, Ricardo
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ANÁLISIS DE RIESGO ,purl.org/becyt/ford/3.3 [https] ,CIENCIAS MÉDICAS Y DE LA SALUD ,HIDATIDOSIS ,BOVINOS ,Epidemiología ,Ciencias de la Salud ,purl.org/becyt/ford/3 [https] ,PREVALENCIA - Abstract
INTRODUCCIÓN: La hidatidosis es un problema relevante en toda Argentina, y no se conoce la situación del bovino en su transmisión. El objetivo general del estudio fue indagar acerca de esta situación y, en particular, estimar la prevalencia de hidatidosis, evaluar la fertilidad de quistes hidatídicos (QH) y analizar los factores de riesgo y el patrón de distribución espacial. MÉTODOS: Se evaluó presencia de QH en hígados y pulmones de 432 bovinos. Se estimó prevalencia hidatídica y de establecimientos positivos y el intervalo de confianza (IC95%). Se tomaron 42 muestras de contenido de QH y se evaluó fertilidad. Se estudiaron variables asociadas a presencia de QH. Se calculó razón de prevalencia (RP) con IC95%. RESULTADOS: La prevalencia estimada fue del 22,2% (IC95%: 18,4-26,5%); 12 de 13 (92,3%) establecimientos fueron positivos. La localización de los QH fue 50% pulmonar, 4,2% hepática y 45,8% hepato-pulmonar. No se encontraron QH fértiles. Las variables que mejor explicaron la positividad fueron: provincia (p
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- 2019
21. Mucosal immunization with polymeric antigen BLSOmp31 using alternative delivery systems against Brucella ovis in rams
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Díaz, Alejandra Graciela, Quinteros, Daniela Alejandra, Paolicchi, Fernando Alberto, Rivero, Mariana Alejandra, Palma, Santiago Daniel, Pardo, Romina Paola, Clausse, María, Zylberman, Vanesa, Goldbaum, Fernando Alberto, and Estein, Silvia Marcela
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- 2019
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22. Microscopic agglutination test: Variables that affect the time of serological confirmation of human leptospirosis cases
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Scialfa, Exequiel, primary, Rivero, Mariana, additional, Moreno, Sergio, additional, Ortiz, Marcela, additional, and Bongiorno, Fabricio, additional
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- 2020
- Full Text
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23. Role and clinical course of verotoxigenic Escherichia coli infections in childhood acute diarrhoea in Argentina
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Rivero, Mariana Alejandra, Passucci, Juan Antonio, Rodriguez, Edgardo Mario, and Parma, Alberto Ernesto
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- 2010
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24. Prevención de zoonósis: manipulación responsable de piezas de caza en el Parque Nacional El Palmar, control de especies exóticas invasoras en favor de las especies nativas
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Tammone, Agostina, Estein, Silvia, Uhart, Marcela, Condorí, Ezequiel, Barandiaran, Soledad, Riva, Eliana, Li Puma, Cecilia, Delaloye, Aldo, Scialfa, Exequiel, García, Jorge, Rivero, Mariana, Caselli, Andrea, and Tammone, Agostina
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Zoonosis ,Ciencias Veterinarias ,Parque Nacional El Palmar ,Ecosistema - Abstract
El Plan de Control de Mamíferos Exóticos Invasores del ParqueNacional El Palmar (PCMEI, Resol. PD Nº 154/05 APN, modf. Nº114/12), es una iniciativa tendiente a disminuir las poblacionesde jabalí (Sus scrofa) y ciervo axis (Axis axis), en favor de labiodiversidad nativa. El PCMEI es un ejemplo de conservacióncomunitaria conocido a nivel nacional y latinoamericano porsu éxito y continuidad. Se desarrolla en colaboración entre elpersonal del parque y los cazadores asociados, quienes aprovechanparte de la carne y donan el resto a comedores comunitariosy escolares de la zona.El Programa de Conservación Comunitaria del Territorio de la Facultad de Cs. Veterinarias (Universidad Nacional del Centrode la Provincia de Buenos Aires, UNICEN), tiene entre sus objetivos reducir la contaminación de plomo de origen cinegéticoy favorecer la salud ecosistémica.Del diálogo entre ambos, surgió la oportunidad de fortalecersemutuamente en pos de los siguientes objetivos comunes:1) Fomentar la responsabilidad y sustentabilidad ambiental delplan en marcha, con particular énfasis en la prevención de zoonosisy la sustitución de las balas de plomo.2) Desarrollar oportunidades de capacitación (talleres, DiplomaturaUniversitaria en Educación para la Conservación del Territorio). www.custodiosdelterritorio.unicen.edu.ar. 3)Favorecer la salud ecosistémica, animal y pública, estudiandolas zoonosis como respuesta a las necesidades locales.Iniciadas las investigaciones, el presente cuadernillo constituyeuna entrega resumida de información sobre las zoonosis estudiadas a fin de contribuir a su prevención y control. Sumando ala comunidad y a otras organizaciones del Estado, UNICEN trabajaen favor de la conservación de la biodiversidad y la saludecosistémica en los parques nacionales.
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- 2018
25. Anemia Inflamatoria: fisiopatología, diagnóstico y tratamiento
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Feldman, Leonardo, Najle, Roberto, Rivero, Mariana Alejandra, Rodriguez, Edgardo Mario, and Estein, Silvia Marcela
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CIENCIAS MÉDICAS Y DE LA SALUD ,DIAGNÓSTICO ,ANEMIA INFLAMATORIA ,purl.org/becyt/ford/3.2 [https] ,HEPCIDINA ,ERITROPOYETINA ,purl.org/becyt/ford/3 [https] ,Medicina Critica y de Emergencia ,Medicina Clínica ,CITOQUINAS INFLAMATORIAS ,HIERRO ,TRATAMIENTO - Abstract
La anemia de la Inflamación (AI) es considerada la segunda causa más frecuente de anemia a nivel mundial después de la deficiencia de hierro. Se observa comúnmente en infecciones crónicas, tumores, traumas, y desórdenes inflamatorios. La AI es típicamente normocítica normocrómica usualmente moderada y se produce por una hipoferremia como resultado del secuestro de hierro en el sistema retículo endotelial, de la reducción de la eritropoyesis y de la inhibición de la absorción del hierro en intestino. La patogenia de la AI está mediada por citoquinas inflamatorias y hepcidina, péptido producido en el hígado, que regulan la homeostasis del hierro, actúan suprimiendo la eritropoyesis, y la vida media de los eritrocitos se encuentra ligeramente acortada. Los métodos diagnósticos de rutina que se describen en esta revisión pueden ser de utilidad, pero quedará un grupo de estados anémicos con alta sospecha de AI que no podrán ser fácilmente clasificados. Recientemente se han desarrollado inmunoensayos para determinar hepcidina y citoquinas inflamatorias que podrán colaborar, en un futuro, para un diagnóstico correcto. Existen actualmente modelos experimentales de AI en ratones, los cuales podrían ser útiles para evaluar diferentes tratamientos. En este sentido, los inhibidores de la hepcidina y diversos moduladores inflamatorios aparecen como terapias prometedoras. Anaemia of inflammation (AI) is the second most common cause of anaemia worldwide, after iron deficiency. This pathology is commonly observed in patients with chronic infections, malignancy, trauma, and inflammatory disorders. Typically, AI is normocytic normochromic usually mild anaemia produced by hypoferremia resulted from reticulo endothelial sequestration of iron and interruption of intestinal iron absorption. The pathogenesis of AI is mediated by inflammatory cytokines and hepcidin, a liver-derived polypeptide regulator of iron homeostasis, acting together to suppress erythropoiesis and shorten erythrocyte survival in blood. The routine diagnostic methods described in this review may be useful, but there will remain a group of anemic states with high suspicion of AI that cannot be easily classified. Recently, different immunoassays have been developed to evaluate hepcidin and inflammatory cytokines levels, which will improve the diagnosis. AI models have been developed in mouse taking into account the proposed pathophysiology and could be useful for evaluating different types of treatment. In fact, inhibitors of hepcidin, and various inflammatory modulators show promise in a near future. Anemia da inflamação (AI) é considerada a segunda causa mais comum de anemia em todo o mundo após a deficiência de ferro. É geralmente observada em infecções crônicas, tumores, traumas e distúrbios inflamatórios. A AI é tipicamente normocítica normocrômica comumente moderada e ocorre por uma hipoferremia como resultado do sequestro de ferro no sistema retículo endotelial, da redução da eritropoiese e da inibição da absorção do ferro no intestino. A patogenia da AI é mediada por citocinas inflamatórias e hepcidina, peptídeo produzido no fígado, que regulam a homeostase do ferro, agem suprimindo a eritropoiese e a meia-vida dos eritrócitos é levemente diminuída. Os métodos de diagnóstico de rotina descritos nesta revisão podem ser úteis, mas ficará um grupo de estados anêmicos com alta suspeita de AI que não poderão ser classificados facilmente. Recentemente têm sido desenvolvidos imunoensaios para determinar hepcidina e citocinas inflamatórias, que poderão colaborar no futuro, para um diagnóstico certo. Existem atualmente modelos experimentais de AI em ratos que poderiam ser úteis para avaliar diferentes tratamentos. A este respeito, os inibidores de hepcidina e vários moduladores inflamatórios aparecem como terapias promissoras. Fil: Feldman, Leonardo. Universidad Nacional del Centro de la Provincia de Buenos Aires. Facultad de Ciencias Veterinarias; Argentina Fil: Najle, Roberto. Universidad Nacional del Centro de la Provincia de Buenos Aires. Facultad de Ciencias Veterinarias; Argentina Fil: Rivero, Mariana Alejandra. Universidad Nacional del Centro de la Provincia de Buenos Aires. Facultad de Ciencias Veterinarias; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Tandil. Centro de Investigación Veterinaria de Tandil. Universidad Nacional del Centro de la Provincia de Buenos Aires. Centro de Investigación Veterinaria de Tandil. Provincia de Buenos Aires. Gobernación. Comision de Investigaciones Científicas. Centro de Investigación Veterinaria de Tandil; Argentina Fil: Rodriguez, Edgardo Mario. Universidad Nacional del Centro de la Provincia de Buenos Aires. Facultad de Ciencias Veterinarias; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Tandil. Centro de Investigación Veterinaria de Tandil. Universidad Nacional del Centro de la Provincia de Buenos Aires. Centro de Investigación Veterinaria de Tandil. Provincia de Buenos Aires. Gobernación. Comision de Investigaciones Científicas. Centro de Investigación Veterinaria de Tandil; Argentina Fil: Estein, Silvia Marcela. Universidad Nacional del Centro de la Provincia de Buenos Aires. Facultad de Ciencias Veterinarias; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Tandil. Centro de Investigación Veterinaria de Tandil. Universidad Nacional del Centro de la Provincia de Buenos Aires. Centro de Investigación Veterinaria de Tandil. Provincia de Buenos Aires. Gobernación. Comision de Investigaciones Científicas. Centro de Investigación Veterinaria de Tandil; Argentina
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- 2017
26. Epidemiological surveillance of leptospirosis in the interior of Buenos Aires province
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Scialfa, Exequiel Alejandro, Gallicchio, Oscar, Grunne, Sylvia, Recavarren, Mariana Ines, Rivero, Mariana Alejandra, Quintana, Silvina, Aguirre, Pablo, San Anton, Dario, and Brihuega, Bibiana
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CIENCIAS MÉDICAS Y DE LA SALUD ,Epidemiología ,Ciencias de la Salud ,Leptospirosis ,Epidemiologia ,Provincia de Buenos Aires - Abstract
El Departamento de Zoonosis Rurales (con cede en Azul) recibe muestras de pacientes humanos sospechosos de leptospirosis de 7/12 regiones sanitarias. Anualmente, aproximadamente 400 casos humanos sospechosos de leptospirosis (con sintomatología y epidemiología compatible) son notificados en el interior de la provincia. Los factores de riesgo se encuentran relacionados a las actividades ocupacionales, recreativas, y a una exposición domiciliaria; las personas expuestas a inundaciones presentan más riesgo de presentar la enfermedad. Además del diagnóstico humano de la enfermedad, se realizan actividades de vigilancia epidemiológica, que incluyen la detección, notificación, estudio, seguimiento de casos y defunciones. En el interior de la provincia de Buenos Aires se comprobó la circulación de L. interrogans del serogrupo Icterohaemorrhagiae serovares Copenhageni Fiocruz L1-130 y M20, y RGA (área peri-urbana y rural) y del serogrupo Canicola Hound Utrecht IV (área rural). En fauna silvestre las tasas de aislamientos variaron según la especie: R. norvegicus (44%), A. azarae (25%), C. chinga (14.3%), L. griseus (10%) y D. albiventris (2%). Los 41 aislamientos obtenidos en animales silvestres, ponen en manifiesto por un lado la circulación de diversos serogrupos de Leptospiras altamente patógenas en la región, y por el otro, la presencia de nuevos portadores que cumplirían un rol importante en la epidemiología de la enfermedad. The Department of Rural Zoonosis (with yields in Azul) receives samples of human patients suspected of leptospirosis of 7/12 health regions. Annually, approximately 400 suspected human cases of leptospirosis (with symptoms and compatible epidemiology) are reported within the province. Risk factors are related to occupational, recreational activities, and exposure to a home; people exposed to flooding have increased risk of developing the disease. In addition to human disease diagnosis, surveillance activities, including the identification, reporting, review, monitoring of cases and deaths are made. In the interior of Buenos Aires province, circulation of L. interrogans serogroup Icterohaemorrhagiae Copenhageni Fiocruz L1-130 and M20 was found, and RGA (peri-urban and rural areas) and serogroup canicola Hound Utrecht IV (rural area). In wildlife, isolates rates vary by species: R. norvegicus (44%), A. azarae (25%), C. chinga (14.3%), L. griseus (10%) and D. albiventris (2%). The 41 isolates obtained from wild animals, put one hand manifest circulation of highly pathogenic various serogroups of Leptospira in the region, and on the other, the presence of new carriers that would fulfill an important role in the epidemiology of the disease. Fil: Scialfa, Exequiel Alejandro. Provincia de Buenos Aires. Ministerio de Salud; Argentina Fil: Gallicchio, Oscar. Provincia de Buenos Aires. Ministerio de Salud; Argentina Fil: Grunne, Sylvia. Instituto Nacional de Tecnología Agropecuaria; Argentina Fil: Recavarren, Mariana Ines. Instituto Analisis Clinicos Fares Taie; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata; Argentina Fil: Rivero, Mariana Alejandra. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata; Argentina. Universidad Nacional del Centro de la Provincia de Buenos Aires. Facultad de Ciencias Veterinarias; Argentina Fil: Quintana, Silvina. Instituto Analisis Clinicos Fares Taie; Argentina Fil: Aguirre, Pablo. Provincia de Buenos Aires. Ministerio de Salud; Argentina Fil: San Anton, Dario. Provincia de Buenos Aires. Ministerio de Salud; Argentina Fil: Brihuega, Bibiana. Instituto Nacional de Tecnología Agropecuaria; Argentina
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- 2017
27. Immune response induced by conjunctival immunization with polymeric antigen BLSOmp31 using a thermoresponsive and mucoadhesive in situ gel as vaccine delivery system for prevention of ovine brucellosis
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Díaz, Alejandra Graciela, Quinteros, Daniela Alejandra, Gutiérrez, Silvina Elena, Rivero, Mariana Alejandra, Palma, Santiago Daniel, Allemandi, Daniel Alberto, Pardo, Romina Paola, Zylberman, Vanesa, Goldbaum, Fernando Alberto, and Estein, Silvia Marcela
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- 2016
- Full Text
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28. Implementación de una nueva concepción científico-educativa en el diseño de exhibiciones en el museo de historia natural de Pinar del Río, sustentada en sistemas de iluminación LED
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de la Cruz, José Manuel, Ramírez Medina, Leonardo, Seijo, Yanet, Sanz, Marco A., Abrante, Tamara, León, Geidys, Camero Labrador, Yenisey, Barrera Ramos, Gilberto, Brito Rivero, Mariana, García, L. Yusnaviel, Alonso, Yudelkis, Lazo, Yordanka, de la Cruz, José Manuel, Ramírez Medina, Leonardo, Seijo, Yanet, Sanz, Marco A., Abrante, Tamara, León, Geidys, Camero Labrador, Yenisey, Barrera Ramos, Gilberto, Brito Rivero, Mariana, García, L. Yusnaviel, Alonso, Yudelkis, and Lazo, Yordanka
- Abstract
The followed approaches are presented for the assembly of an exhibition of cavern ecosystems with some outstanding archaeological elements, for that which the basement of the current installation of the Museum was selected. For the planning the illumination expositive system, was selected the LED (Ligth Emition Diode) technology. The types of lamps were selected before the placement of the exponents. The assembly of the cavern was carried out using the technique of papier maché where different physical and biological elements of this ecosystem type were inserted. It is pointed out how derived of this technological application, an energy saving was obtained of more than 60% compared with the assemblies that use the fluorescent lights. It was made and it validated a didactic proposal so much for this exhibition type that facilitates to establish a more interactive holistic speech, from the physical point of view as cognitive. It is emphasized in that the implementation of the LED technology has allowed the recovery of three Rooms of the Museum like permanent rooms of exhibitions, at the same time that it allows an assembly of high efficiency and durability., Se presentan los criterios seguidos para el montaje de una exposición de ecosistemas cavernarios con algunos elementos arqueológicos relevantes, para lo cual fue seleccionado el sótano de la instalación actual del Museo. Para la planificación expositiva fue seleccionado un sistema de iluminación basado en la tecnología LED (Ligth Emition Diode). Los tipos de lámparas fueron seleccionados antes que la colocación de los exponentes. El montaje de la caverna fue realizado utilizando la técnica de papel maché donde se insertaron diferentes elementos físicos y biológicos de este tipo de ecosistema. Se reseña cómo derivado de esta aplicación tecnológica, se obtuvo un ahorro energético de más de un 60% comparado con los montajes que utilizan las luces fluorescentes. Se confeccionó y validó una propuesta didáctica para este tipo de exhibición que posibilita establecer un discurso holístico más interactivo, tanto desde el punto de vista físico como cognitivo. Se enfatiza en que la implementación de la tecnología LED ha permitido la recuperación de tres Salas del Museo como salas permanentes de exhibiciones, a la vez que permite un montaje de alta eficiencia y durabilidad.
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- 2017
29. Molecular and serologic diagnosis in human leptospirosis (Buenos Aires province, Argentina)
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Recavarren, Mariana Ines, Scialfa, Exequiel Alejandro, Rivero, Mariana Alejandra, and Quintana, Silvina
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MAT ,CIENCIAS AGRÍCOLAS ,Otras Ciencias Veterinarias ,Ciencias Veterinarias ,Leptospirosis humana ,purl.org/becyt/ford/4.3 [https] ,purl.org/becyt/ford/4 [https] ,PCR en tiempo real - Abstract
El objetivo del presente trabajo fue aplicar la técnica de PCR en tiempo real para detectar ADN de los serovares más comunes de leptospiras que infectan humanos a partir de cultivos puros de referencia, y de sueros de pacientes en distintas etapas de infección. Se realizó extracción, amplificación y cuantificación del ADN de cultivos puros de Leptospira interrogans serovares Canicola, Icterohaemorrhagiae, Pomona, Pyrogenes y Hardjo; Leptospira borgpeterseni serovares Tarassovi, Wolffi y Castellonis y Leptospira kirschneri serovar Grippotyphosa. La sensibilidad de la PCR en tiempo real in vitro fue en promedio de 8 genomas. A partir de 23 muestras de sueros de pacientes con sospecha clínica de leptospirosis se determinó por la técnica de aglutinación microscópica (MAT) la presencia de anticuerpos, y por PCR en tiempo real con dos pares de cebadores diferentes, la presencia de ADN bacteriano. En el período agudo de la enfermedad (1 a 7 días) MAT fue positivo en 9/10 muestras y PCR en tiempo real en 8/10. Fue llamativo que 3/4 muestras de período tardío (superior a 14 días) fueran PCR positivas, lo cual no concuerda con la patogenia aceptada para la leptospirosis Debido a estas consideraciones, por el momento, y en nuestro medio, la utilidad de la técnica de PCR es complementaria a la MAT y no debe reemplazarla. The aim of this study was to apply the technique of real-time PCR to detect DNA of the most common Leptospira serovars that infect humans from pure cultures of reference, and sera from patients at different stages of infection. Extraction, amplification and quantification of DNA from pure cultures of Leptospira interrogansserovars Canicola, Icterohaemorrhagiae, Pomona,Hardjo and Pyrogenes performed; Leptospira serovars borgpeterseniTarassovi, Wolffi and Castellonis and Leptospira serovar kirschneri serovar Grippotyphosa. The in vitro sensitivity of real-time PCR averaged 8 genomes. From 23 serum samples from patients suspected of leptospirosis the presence of antibodies was determined by microscopic agglutination technology (MAT), and the presence of bacterial DNA by real-time PCR with two different primer pairs. In the acute stage of the disease (1-7 days) MAT was positive in 9/10 samples and real-time PCR in 8/10. It was interesting that 3/4 of late period samples (over 14 days) were PCR positive, which is inconsistent with the accepted pathogenesis for leptospirosis. Because of these considerations, for the moment, and in our field, the usefulness of the PCR technique is complementary to the MAT and should not replace it. Fil: Recavarren, Mariana Ines. Instituto de Análisis Bioquímicos Fares Taie; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: Scialfa, Exequiel Alejandro. Ministerio de Salud de la Provincia de Buenos Aires. División de Zoonosis Rurales; Argentina Fil: Rivero, Mariana Alejandra. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Nacional del Centro de la Provincia de Buenos Aires; Argentina Fil: Quintana, Silvina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Instituto de Análisis Bioquímicos Fares Taie; Argentina
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- 2014
30. Epidemiología del síndrome urémico hemolítico en dos regiones de la provincia de Buenos Aires
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Rivero, Mariana Alejandra, Passucci, Juan Antonio, Lucchesi, Paula Maria Alejandra, Signorini Porchietto, Marcelo Lisandro, Alconcher, Laura, Rodriguez, Edgardo Mario, Rocha Martin, Vanesa Natalin, Meneguzzi, Belen, San Juan, Fernando, Ballesteros, Bernarda, and Tarabla, Hector Dante
- Subjects
CIENCIAS SOCIALES ,purl.org/becyt/ford/3.3 [https] ,CIENCIAS MÉDICAS Y DE LA SALUD ,purl.org/becyt/ford/5 [https] ,Tópicos Sociales ,Ciencias de la Salud ,SUH ,purl.org/becyt/ford/3 [https] ,población rural ,purl.org/becyt/ford/5.4 [https] ,Sociología ,incidencia ,epidemiología - Abstract
Los objetivos de este estudio fueron describir y comparar la frecuencia del síndrome urémico he- molítico (SUH), registrada durante el periodo 2005-2010 en pobladores rurales y urbanos de la región centro-sur de la provincia de Buenos Aires y caracterizar la distribución de factores hipotéticos asocia- dos al SUH en ambas poblaciones. Se caracterizaron 82 casos de SUH clínica y epidemiológicamente. Para el análisis estadístico de los datos se utilizó el test de Chi2 o test exacto de Fisher cuando fue necesario, y el test de la mediana. La incidencia específica fue 12.7 casos cada 100 000 habitantes rurales (IC 0-23.5) y 7.1 casos cada 100 000 habitantes urbanos (IC 0-9.5). La mediana de la edad en el total de los pacientes estudiados fue de 27 meses (5-139 meses), siendo significativamente más baja en los niños del área rural. Estos resultados podrían explicarse por el contacto más frecuente con materia fecal de bovinos, el mayor consumo de leche sin pasteurizar y la mayor proporción de familiares que realizan actividades de riesgo, encontrados en la subpobla- ción rural. Aunque el SUH es una enfermedad que se asocia frecuentemente con el consumo de carne picada, la mayor parte de los niños que enfermaron no presentaron este antecedente. Las manifestaciones clínicas fueron semejantes en ambas subpoblaciones. Un tercio de los pacientes urbanos había recibido tratamiento con antibióticos previo al desarrollo del SUH. Epidemiology of hemolytic uremic syndrome in two regions of Buenos Aires Province. The objectives of this study were (a) to describe and estimate the frequency of hemolytic uremic syn- drome (HUS) in rural and urban populations in two regions of Buenos Aires Province, and (b) to compare the presentation and distribution of factors hypothetically associated with HUS. A total of 82 HUS cases, recorded during the years 2005-2010 in rural and urban areas of the south-central region of Buenos Aires Province, were clinically and epidemiologically characterized. Statistical data analysis included Chi square or Fisher test and median test. The incidence rate of HUS was significantly higher in the rural population, being 12.7 cases per 100 000 (CI 0-23.5) in rural inhabitants vs. 7.1 cases per 100 000 (CI 0-9.5) in urban inhabitants. The median age of the patients was 27 months (5-139 months), significantly lower in children from the rural area. This could be explained by a more frequent contact with bovine feces, the consumption of raw milk and a higher proportion of relatives who work in risk labors found in the rural population. Although HUS is often associated with the con- sumption of undercooked minced meat, most of the children cases here included did not present this antecedent. Clinical manifestations were similar in both subpopulations. One-third of urban patients had received antibiotics prior to HUS development. Fil: Rivero, Mariana Alejandra. Universidad Nacional del Centro de la Provincia de Bs.as.. Facultad de Cs.veterinarias. Departamento de Sanidad Animal y Medicina Preventiva. Laboratorio de Inmunoquimica y Biotecnologia; Argentina; Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina; Fil: Passucci, Juan Antonio. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico - Conicet- Tandil. Centro de Investigacion Veterinaria de Tandil; Argentina; Fil: Lucchesi, Paula Maria Alejandra. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico - Conicet- Tandil. Centro de Investigacion Veterinaria de Tandil; Argentina; Fil: Signorini Porchietto, Marcelo Lisandro. Instituto Nacional de Tecnología Agropecuaria. Centro Regional Santa Fe. Estación Experimental Agropecuaria, Rafaela; Argentina; Fil: Alconcher, Laura. Htal. Int. Gral. de Agudos Dr. Jose Penna; Argentina; Fil: Rodriguez, Edgardo Mario. Universidad Nacional del Centro de la Provincia de Buenos Aires.. Facultad de Ciencias Veterinarias; Argentina; Fil: Rocha Martin, Vanesa Natalin. Universidad Nacional del Centro de la Provincia de Buenos Aires; Argentina; Fil: Meneguzzi, Belen. Htal. Int. Gral. de Agudos Dr. Jose Penna; Argentina; Fil: San Juan, Fernando. Provincia de Buenos Aires. Municipalidad de Bahia Blanca; Argentina; Fil: Ballesteros, Bernarda. Universidad Nacional del Centro de la Provincia de Buenos Aires; Argentina; Fil: Tarabla, Hector Dante. Universidad Nacional del Litoral; Argentina; Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
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- 2013
31. Gestión ambiental comunitaria para las niñas y niños del consejo popular Carlos Manuel.
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Brito Rivero, Mariana and Castillo González, Luís Guillermo
- Abstract
Copyright of Avances is the property of Instituto de Informacion Cientifica y Tecnologica and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
- Published
- 2018
32. Comparison of qPCR and Morphological Methods For Detection of Acarapis Woodiin Honey Bee Samples
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Quintana, Silvina, Szawarski, Nicolás, Sarlo, Gabriel, Medici, Sandra, Rivero, Mariana, Eguaras, Martin, and Maggi, Matias
- Abstract
The honey bee tracheal mite Acarapis woodiis an internal obligate parasite of adult honey bees (Apis mellifera). The small size of the mites and location within the bee’s trachea create a challenge for diagnostic identification. Detailed assessment of low-level mite infestation involves microscopic examination of the bee’s tracheae, but this traditional diagnostic method takes a long time. In recent years, new molecular diagnostic techniques have been developed to identify A. woodiwith the use of PCRs. The purpose of this study was to compare the diagnostic sensitivity of microscopic examination and qPCR method for the detection of A. woodiin honey bee samples. Thirty-six samples were analyzed with both methods and qPCR was more sensitive than the microscopic method to detect A. woodi. This work demonstrates the practical application of molecular technology as a support tool for surveys and contingency management and to provide robust surveillance data on the presence or absence of A. woodiin honey bee colonies.
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- 2019
- Full Text
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33. La colección de murciélagos cubanos del Museo de Historia Natural ¨Tranquilino Sandalio de Noda¨ como herramienta de conservación de la biodiversidad y extensión científico–cultural
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Cruz Mora, José Manuel de la, Brito Rivero, Mariana, Barrera Ramos, Gilberto, Delgado Valdés, Elvis, Cruz Mora, José Manuel de la, Brito Rivero, Mariana, Barrera Ramos, Gilberto, and Delgado Valdés, Elvis
- Abstract
With 26 described bats species, Cuba has the biggest living collection of this group in the Caribbean. The bats represent more than 2/3 parts of the Cuban mammals’ fauna, for what reason the efforts to get their protection would guarantee the conservation of the most Cuban mammals. The main objective of this work was to increase the conservation ex situ of the bat fauna of Pinar del Río, by means of the creation of a bats collection at the Natural History Museum “Tranquilino Sandalio de Noda”, as a new tool of assessing cultural and scientific extension for local public. The collected works incorporated to the museum collections 24 specimens of the order Chiroptera, being represented different species and development phases. The specimens were classified taxonomically and grouped on 5 Families and 11 species, all residents of Pinar del Río province. The materials used as scientific support of the exhibitions are to the service of the public at the Museum´s library. The incorporation of 11 living bats species, inhabitants of Pinar del Río, it will be used as complement for the Museum fossil bats collection, aspect that will increase their attractiveness and values on the scientific consuls and exhibitions., Con 26 especies de murciélagos descritas, Cuba cuenta con la mayor colección viva de este grupo en el Caribe. Los murciélagos representan más de las 2/3 partes de la mastofauna cubana, por lo que los esfuerzos para lograr su protección garantizaría la conservación de la mayor parte de los mamíferos cubanos. El objetivo principal del trabajo fue incrementar la conservación ex situ de la fauna de quirópteros de Pinar del Río mediante la creación de una colección de murciélagos en el Museo de Historia Natural ¨Tranquilino Sandalio de Noda¨, como una nueva herramienta de extensión científico-cultural para el público local. Fue realizada una colecta que incorporó a las colecciones del Museo 24 ejemplares del orden Chiroptera, estando representados diferentes especies y estadios de desarrollo. Los ejemplares fueron clasificados taxonómicamente y distribuidos en 5 Familias y 11 especies, todos residentes en la provincia de Pinar del Río. Los materiales utilizados como soporte científico de las exposiciones están a disposición del público, en el centro de información de la institución. La incorporación de 11 especies de murciélagos vivientes, habitantes de Pinar del Río, será utilizada como complemento para la colección de murciélagos fósiles existente en el Museo, aspecto que aumentará su atractivo y valor en las consultas científicas y exhibiciones.
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- 2013
34. Factors Associated with Sporadic Verotoxigenic Escherichia coli Infection in Children with Diarrhea from the Central Eastern Area of Argentina
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Rivero, Mariana Alejandra, primary, Passucci, Juan Antonio, additional, Rodriguez, Edgardo Mario, additional, Signorini, Marcelo Lisandro, additional, Tarabla, Héctor Dante, additional, and Parma, Alberto Ernesto, additional
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- 2011
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35. EPIDEMIOLOGÍA DEL SÍNDROME URÉMICO HEMOLÍTICO EN DOS REGIONES DE LA PROVINCIA DE BUENOS AIRES.
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RIVERO, MARIANA, PASSUCCI, JUAN, LUCCHESI, PAULA, SIGNORINI, MARCELO, ALCONCHER, LAURA, RODRÍGUEZ, EDGARDO, ROCHA MARTÍN, VANESA, MENEGUZZI, BELÉN, SAN JUAN, FERNANDO, BALLESTEROS, BERNARDA, and TARABLA, HÉCTOR
- Abstract
Copyright of Medicina (Buenos Aires) is the property of Medicina (Buenos Aires) and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
- Published
- 2013
36. Factors Associated with Sporadic Verotoxigenic Escherichia coliInfection in Children with Diarrhea from the Central Eastern Area of Argentina
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Rivero, Mariana Alejandra, Passucci, Juan Antonio, Rodriguez, Edgardo Mario, Signorini, Marcelo Lisandro, Tarabla, Héctor Dante, and Parma, Alberto Ernesto
- Abstract
AbstractVerotoxigenic Escherichia coli(VTEC) are one of the most important emerging foodborne pathogens and the principal cause of hemolytic uremic syndrome (HUS). This entity has been recognized worldwide as a priority issue in the field of zoonoses and public health, and Argentina is the country with the highest incidence of HUS in children less than 5 years of age.The lack of specific treatment, combined with the high morbidity rate of VTEC infection, makes prevention the main tool for reducing the incidence of HUS. The current work aimed at assessing the factors associated with sporadic VTEC infection in children with acute diarrhea from the Central Eastern area of Argentina where the incidence rate of HUS in children under 5 is the highest worldwide. A univariate analysis was performed to identify potential factors associated with VTEC infection by calculating odds ratios (OR) with 95% confidence intervals (CI). Then, a multivariate logistic regression model was performed. Interaction and association between significant factors were checked. “Recent consumption of food prepared outside home” (OR: 2.4, 95% CI 1.05–5.7) and “recent vegetables consumption” (OR=0.4; 0.2–0.8) were identified as independent factors associated with VTEC infection. We believe that the data obtained from this study further the current knowledge about the epidemiology of VTEC infection in Argentina and could be considered when planning strategies for the prevention of the disease.
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- 2011
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37. Seroprevalencia de leptospirosis humana en una comunidad rural del partido de Tandil (Argentina). Identificación de factores de riesgo y análisis espacial
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Silva, Julia A., Scialfa, Exequiel A., Tringler, Matías, Rodríguez, Marcelo G., Tisnés, Adela, Linares, Santiago, and Rivero, Mariana A
- Abstract
•Epidemiologic and spatial analysis of leptospirosis can be applied in human population•Information about leptospirosis in rural areas is scarce•Preventive measures can be applied for human leptospirosis from rural areas
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- 2022
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38. Seroprevalencia y factores de riesgo de brucelosis y leptospirosis en cerdos en comunidades rurales de Argentina.
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Analía Silva, Julia, Alejandro Scialfa, Exequiel, Elena Gutiérrez, Silvina, Tisnés, Adela, Gastón Rodríguez, Marcelo, Marcela Estein, Silvia, and Alejandra Rivero, Mariana
- Subjects
- *
ENDEMIC diseases , *ZOONOSES , *AGRICULTURE , *LEPTOSPIROSIS , *AGGLUTINATION tests , *SWINE breeding , *HORSE breeding - Abstract
Objectives. To determine the seroprevalence of brucellosis and leptospirosis in pigs reared on smallscale farms in rural areas of the district of Tandil, Buenos Aires Province, Argentina; to analyse the associated risk factors; to describe the prevalent Leptospira spp. serogroups; and to determine the spatial distribution of both diseases. Materials and methods. A total of 340 serum samples were obtained. Buffer Plate Agglutination Test, Rose Bengal Test, and Fluorescence Polarisation Assay were used to detect antibodies against Brucella spp. Microscopic Agglutination Test was applied for serological diagnosis of leptospirosis. Statistical methods were used to evaluate the factors associated with the infections. Results. Seroprevalence of 0% and 22.6% was observed for brucellosis and leptospirosis, respectively. The most prevalent Leptospira serogroups identified were Canicola, Ballum, Icterohaemorrhagiae and Pomona. The main risk factors associated with leptospirosis infection were farms with a higher number of pigs and the presence of horses and wild boars near or within the farms. The use of milling by-products of cereal grains as animal feed and the presence of weaning cages were also associated. A relevant spatial cluster of seropositivity to Leptospira spp. was identified in a low-altitude area. Conclusions. Our results suggest that brucellosis is probably controlled, but Leptospira spp. are present in the farming systems under study. Knowledge of brucellosis and leptospirosis seroprevalence, spatial distribution and associated risk factors can be useful for the prevention and control of endemic zoonotic diseases in the region. [ABSTRACT FROM AUTHOR]
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- 2023
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39. Informe científico de Beca Doctoral 2º año: Silva, Julia Analía (2017-2018)
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Silva, Julia Analía and Rivero, Mariana
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Factores de Riesgo ,Ciencias Veterinarias ,Análisis Espacial ,Leptospirosis ,Ciencias Agrícolas, Producción y Salud Animal - Abstract
Las zoonosis son enfermedades transmisibles en condiciones naturales entre los animales y el hombre. La leptospirosis es la enfermedad zoonótica más difundida en el mundo que afecta a los seres humanos y a los animales. Actualmente se desconoce su impacto real en la salud pública de los países en desarrollo debido a la subnotificación de los casos, producto del dificultoso diagnóstico clínico y de laboratorio, lo que la convierte en una enfermedad no reconocida y consecuentemente desatendida. El agente etiológico pertenece al género Leptospira spp., el cual agrupa serovares patógenos que pueden infectar a los animales y al hombre, quien se contagia mediante el contacto con especies infectadas y ambientes contaminados. La leptospirosis es endémica en la provincia de Buenos Aires, donde principalmente las áreas rururbanas son consideradas de riesgo para las zoonosis. María Ignacia Vela es una comunidad con características propias de los espacios rururbanos. El conocimiento de la epidemiología regional, permite la implementación de acciones de prevención concretas, acordes a cada población en particular. A partir de la realización de esta tesis, se espera generar información que sirva de insumo para la realización de acciones conjuntas entre el Municipio, la Universidad y las organizaciones de la sociedad civil con el fin de disminuir el riesgo de infección por leptospirosis en María Ignacia Vela y en otras localidades de similares características. Debido al carácter interdisciplinario del proyecto, este estudio se desarrollará de manera conjunta entre el Área de Epidemiología (Facultad de Ciencias Veterinarias, Universidad Nacional del Centro de la provincia de Buenos Aires), el Laboratorio de Leptospirosis del Departamento de Zoonosis Rurales de la localidad de Azul (Ministerio de Salud de la provincia de Buenos Aires) y el Centro de Investigaciones Geográficas (Facultad de Ciencias Humanas, Universidad Nacional del Centro de la provincia de Buenos Aires).
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- 2018
40. Informe científico de Beca Doctoral 1º año: Silva, Julia Analía (2016-2017)
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Silva, Julia Analía and Rivero, Mariana Alejandra
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Factores de Riesgo ,Ciencias Veterinarias ,Brucelosis ,Ciencias Agrícolas, Producción y Salud Animal ,Población Rural - Abstract
Se desarrolla un estudio epidemiológico sobre brucelosis y leptospirosis en una comunidad rural del partido de Tandil. Dentro de las actividades específicas pueden mencionarse: la determinación de la seroprevalencia de ambas zoonosis en la población humana y canina, la realización de encuestas epidemiológicas para ambas poblaciones, el análisis de factores de riesgo y el análisis espacial. La detección de anticuerpos anti-Brucella se realiza mediante la prueba de antígeno tamponado en placa (BPA), la prueba de Rosa de Bengala y la técnica de aglutinación rápida en placa con 2 ME (RSAT-2ME) para brucelosis y mediante la técnica de aglutinación microscópica con antígenos vivos (MAT) para leptospirosis; la elaboración de una base de datos y el análisis de los mismos se realiza con el programa EpiInfo v3.5.3 (2011), la visualización de los eventos de salud y el análisis espacial se realiza con los programas QGis 2.10.1, Google Earth, y SaTScan v9.4.2.9
- Published
- 2017
41. Trichinella Infection in Culled Wild Boar (Sus scrofa) from El Palmar National Park, Argentina, and Exposure Risk in Humans and Dogs Consuming Wild Boar Meat.
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Tammone Santos A, Riva E, Condorí WE, Fernández V, Rodriguez MG, Rivero MA, Faraco M, Aguirre P, Loyza L, Caselli AE, Uhart MM, and Estein SM
- Subjects
- Swine, Humans, Animals, Dogs, Argentina epidemiology, Parks, Recreational, Meat parasitology, Immunoglobulin G, Sus scrofa, Epoxy Compounds, Trichinellosis epidemiology, Trichinellosis veterinary, Trichinellosis parasitology, Swine Diseases epidemiology, Swine Diseases parasitology, Trichinella, Dog Diseases epidemiology, Nitrophenols
- Abstract
Trichinellosis is a foodborne disease caused by ingestion of raw or undercooked meat containing Trichinella spp. larvae. Consumption of wild boar (Sus scrofa) meat represents an important source of human trichinellosis worldwide. In El Palmar National Park (EPNP), Argentina, invasive alien wild boars are controlled and meat from culled animals is released for public consumption following on-site artificial digestion (AD) testing. Meat trimmings and offal from the control program are often used as food for dogs (Canis familiaris). We evaluated infection and exposure to Trichinella spp. in wild boars from EPNP, as well as exposure to Trichinella spp. and associated risk factors in dogs and human consumers of wild boar meat. Trichinella spp. larvae were detected in muscle samples from 5/49 wild boars by AD (10.2%; 95% confidence interval [CI], 3.8%-23%), with a mean burden of 0.24 larvae per gram (lpg; range, 0.06-0.95 lpg). Anti-Trichinella antibodies were not detected in wild boar serum samples (n=42). In dogs, 12/34 were seropositive to Trichinella spp. (35.29%; 95%, CI, 20.3%-53.5%). Immunoglobulin (Ig) G antibodies were not detected in human serum samples (n=63). Our results reveal the presence, albeit at low prevalence, of Trichinella spp. in wild boars and exposure in dogs fed game offal. These findings suggest that the low prevalence and parasitic load in wild boars, together with the best practices applied by EPNP culling program personnel, contribute to keeping the risk of infection in people low. The dog results highlight that the parasite is circulating in the area, and therefore the risk of infection is not negligible. We recommend the implementation of an animal surveillance strategy in order to monitor the evolution of this zoonosis in the study area., (© Wildlife Disease Association 2024.)
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- 2024
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- View/download PDF
42. [Enterohemorrhagic Escherichia coli and hemolytic-uremic syndrome in Argentina].
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Rivero MA, Padola NL, Etcheverría AI, and Parma AE
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- Argentina, Escherichia coli Infections therapy, Escherichia coli Infections transmission, Escherichia coli O157 genetics, Hemolytic-Uremic Syndrome therapy, Humans, Escherichia coli Infections complications, Escherichia coli O157 pathogenicity, Hemolytic-Uremic Syndrome microbiology
- Abstract
The hemolytic-uremic syndrome (HUS) is a multisystemic disorder that is characterized by the onset of acute renal failure, microangiopathic hemolytic anemia and thrombocytopenia. It is the most common cause of acute renal failure and the second cause of chronic renal failure and renal transplantation in children in Argentina. Our country has the highest incidence of HUS in the world, with approximately 420 new cases observed each year with an incidence of 12.2 cases per 100,000 children in the age group 0-5 years. Numerous etiologic factors have been associated with HUS but the infection with enterohemorrhagic Escherichia coli (EHEC) is considered the most common cause. The majority of outbreaks and sporadic cases in humans have been associated with serotype O157:H7, although other O:H serotypes have been isolated, and they are a subgroup of Verocytotoxin-producing Escherichia coli (VTEC). Cattle are the principal reservoir of VTEC. Infections in humans are a consequence of consumption of undercooked meat, raw milk and other contaminated food or water. Direct contact with animals or people infected is another source of infection.
- Published
- 2004
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