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Abstract Introduction: Pompe disease (PD) is a rare form of metabolic myopathy; the classic infantile presentation is severe, with death occurring before reaching one year of life, and the non-classical form is of slower progression and survival can exceed one year. Objective: To describe the genotype and characteristics of Mexican patients with infantile-onset PD. Methods: Seven patients with PD confirmed by enzymatic activity determination and GAA gene molecular analysis were included. Mutations were reviewed in genomic databases. Results: Median age at symptom onset was four months (1-12 months) and age at diagnosis was eight months (4-16 months). All patients had cardiomyopathy: four who died before one year of age had mutations that predicted severe disease (c.2431dup, c.2560C>T, c.655G>A, c.1987delC) and were negative for cross-reactive immunologic material (CRIM). Three patients survived after one year of age with enzyme replacement therapy; one survived almost five years, another 18 months, and one girl was almost three years of age at the time of this report; their pathogenic variants predicted potentially less severe disease (c.1979G>A, c.655G>A, c.1447G>A) and they were positive for CRIM. Conclusion: There was a good correlation between genotype and phenotype in children with Pompe disease.

Resumen Introducción: La enfermedad de Pompe (EP) es una forma rara de miopatía metabólica; la presentación infantil clásica es severa y el fallecimiento acontece antes del año de vida, y la forma no clásica es de progresión más lenta y la sobrevivencia puede superar el año. Objetivo: Describir genotipo y características de pacientes mexicanos con EP de inicio infantil. Métodos: Se incluyeron siete pacientes con enfermedad confirmada mediante actividad enzimática y estudio molecular del gen GAA. Se revisaron las mutaciones en bases de datos genómicas. Resultados: La mediana de la edad de inicio de los síntomas fue de cuatro meses (1-12 meses) y la edad de diagnóstico fue de ocho meses (4-16 meses). Todos los pacientes tenían cardiomiopatía: cuatro que fallecieron antes del año presentaron mutaciones que predicen enfermedad severa (c.2431dup, c.2560C>T, c.655G>A, c.1987delC) y CRIM (cross-reactive immunologic material) negativo; tres sobrevivieron después del año de edad con terapia de reemplazo enzimático, uno casi cinco años, otro 18 meses y una niña tenía casi tres años al momento de este informe; sus variantes patogénicas predecían enfermedad potencialmente menos severa (c.1979G>A, c.655G>A, c.1447G>A) y CRIM positivo. Conclusión: Existió buena correlación entre genotipo y fenotipo en niños con enfermedad de Pompe.

https://doi.org/10.24875/gmm.22000027

El comienzo de una nueva etapa
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González-Salinas, Roberto

; Ramos-Betancourt, Nallely

; Serna-Ojeda, Juan C.

; Vélez-Montoya, Raúl

Revista mexicana de oftalmología

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feb 2022, Volume 96 N. 1 Pages 1 - 2

Abstract: Es | Text: Es | PDF: Es

https://doi.org/10.24875/rmo.m21000212 2 downloads

Characteristics of patients undergoing robotic-assisted prostatectomy. Observational study
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Madrid, Guillermo

; Arango, Enrique

; Ferrer, Leopoldo

; Murillo, Roberto

; Amaya, Oswaldo

; Cortés, Juan

; Solórzano, María

; Ramírez, Luis Eduardo

; Ariza, Claudia

; Montoya, María Camila

; Gómez, Felipe

; Caicedo, Juan Ignacio

; Raffán-Sanabria, Fernando

; Moyano, Jairo

Colombian Journal of Anestesiology

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dec 2021, Volume 49 N. 4 elocation e201

Abstract: Es En | Text: Es En | PDF: Es | PDF: En

Resumen Introducción La prostatectomía es el tratamiento estándar para pacientes con cáncer de próstata localizado. Actualmente, la prostatectomía radical asistida por robot es ampliamente utilizada por sus ventajas en visualización, precisión y manipulación de los tejidos. Sin embargo, este abordaje requiere un manejo multidisciplinario, pues el enfoque analgésico y anestésico es fundamental para optimizar los desenlaces. Objetivo Describir los primeros casos de prostatectomía radical asistida por robot realizadas en un hospital universitario de cuarto nivel en Bogotá, Colombia. Metodología Estudio observacional en el cual se incluyeron todos los pacientes sometidos a prostatectomía radical asistida por robot (PRAR) en el hospital Fundación Santa Fe de Bogotá entre septiembre de 2015 y diciembre de 2019. Se excluyeron los pacientes con historia clínica incompleta. Se registraron los datos demográficos y se revisaron los eventos perioperatorios importantes. Resultados Se analizaron 301 pacientes. La edad media de pacientes sometidos a PRAR fue 61,4 ± 6,7 años. El tiempo quirúrgico promedio fue 205 ± 43 minutos y la pérdida sanguínea media fue 300 [200-400] mL. Solo 6 pacientes (2 %) requirieron transfusión. La edad y el IMC no mostraron una asociación relevante con los desenlaces clínicos. Conclusiones El adecuado abordaje perioperatorio en PRAR es importante para minimizar las complicaciones, las cuales en este estudio y en esta institución fueron infrecuentes.

Abstract Introduction Prostatectomy is the standard treatment for patients with clinically localized prostate cancer. Currently, robot-assisted radical prostatectomy (RARP) is widely used for its advantages, as it provides better visualization, precision, and reduced tissue manipulation. However, RARP requires a multidisciplinary approach in which anesthesia and analgesia management are especially important. Objective This study aims to describe our experience delivering anesthesia for the first cases of patients undergoing RARP in a teaching hospital in Bogotá, Colombia. Methodology An observational study was conducted. We included all patients undergoing RARP from September 2015 to December 2019 at Fundación Santa Fe de Bogotá. All patients with incomplete data were excluded. Patient demographics were recorded, and significant perioperative events were reviewed. Results A total of 301 patients were included. At our institution, the mean age for patients undergoing RARP was 61.4 ± 6.7 years. The mean operative time was 205 ± 43 min and mean blood loss was 300 [200400] mL. Only 6 (2%) patients required transfusion. Age and BMI were not associated with clinical outcomes. Conclusions An adequate perioperative approach in RARP is important to minimize complications, which in this study and in this institution were infrequent.

https://doi.org/10.5554/22562087.e984 118 downloads

Eritema nodoso necrosante en lepra lepromatosa asociada a infección mixta por Mycobacterium lepromatosis y Mycobacterium leprae
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Aldama Olmedo, Olga María

; Escobar, Marcial

; Martínez, María Julia

; Aldama, Monserrat

; Montoya Bueno, Camila

; Celias, Luis Fabian

; Hernandez-Castro, Rigoberto

; Arenas-Guzmán, Roberto

; Pereira Brunelli, José

Revista del Nacional (Itauguá)

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dec 2020, Volume 12 N. 2 Pages 107 - 115

Abstract: En Es | Text: En Es | PDF: En | PDF: Es

ABSTRACT Leprosy is a disease caused by Mycobacterium leprae. Its chronic evolution is sometimes interrupted by immunological conditions called leprosy reaction in patients with high bacillary load. These immunological conditions increase morbidity and can be complicated, becoming life threatening. In the spectrum of these reactions, some characterized by vasculonecrotic lesions have been described, such as Lucio's Phenomenon and Necrotizing Lepromatous Nodus Erythem, which are associated with diffuse lepromatous leprosy and the species of bacilli just described, Mycobacterium lepromatosis. We present a 21-year-old female patient, who during specific treatment for multibacillary leprosy presented recurrent pictures of erythema nodosum that evolved to the necrotizing form. In this patient, the simultaneous presence of M. leprae and M. lepromatosis as the cause of the disease was determined through molecular biology. This case represents the first communication of M. lepromatosis in Paraguay, and also the first dual infection as a causative agent of leprosy, in association with M. leprae.

RESUMEN La lepra es una enfermedad causada por Mycobacterium leprae. Su evolución crónica a veces se ve interrumpida por cuadros inmunológicos llamados reacción leprosa en pacientes con alta carga bacilar. Estos cuadros inmunológicos incrementan la morbilidad y pueden complicarse, volviéndose potencialmente mortales. En el espectro de estas reacciones, se han descrito algunas caracterizadas por lesiones vasculo necróticas, como el Fenómeno de Lucio y el eritema nodoso lepromatoso necrosante, que son asociadas a la lepra lepromatosa difusa y a la especie de bacilos recién descripta, Mycobacterium lepromatosis. Presentamos un paciente de sexo femenino de 21 años de edad, que durante el tratamiento específico para lepra multibacilar presentó cuadros recidivantes de eritema nudoso que evolucionó a la forma necrosante. En este paciente se precisó a través de la biología molecular la presencia simultánea de M. leprae y M. lepromatosis como causantes de la enfermedad. Este caso representa la primera comunicación de M. lepromatosis en el Paraguay, y también la primera infección dual como agente causante de lepra, en asociación con el M. leprae.

https://doi.org/10.18004/rdn2020.dic.02.107.115 448 downloads

Characteristics and Surgical Outcomes in Very Elderly Patients (≥75 years) with Renal Cell Carcinoma: Data from the Latin American Renal Cancer Group
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Garza-Gangemi, Adrián M.

; Castillejos-Molina, Ricardo A.

; Gueglio, Guillermo

; Tobia-Gonzalez, Ignacio P.

; Jurado, Alberto M.

; Meza-Montoya, Luis

; Scorticati, Carlos H.

; Henriques-da-Costa, Walter

; Yandian, Juan

; Ubillos, Luis

; Glina, Sidney

; Tobias-Machado, Marcos

; Rodríguez-Faba, Oscar

; Ameri, Carlos

; Nolazco, Alejandro

; Martinez, Pablo

; Franco Carvalhal, Gustavo

; Bengio, Ruben G.

; Arribillaga, Leandro Cristian

; Langenhin, Raúl

; Muguruza, Diego

; Campos-Salcedo, José G.

; Bravo-Castro, Edgar I.

; Mingote, Pablo A.

; Ginestar, Nicolás

; Autran-Gomez, Ana M.

; Puente, Roberto

; Decia, Ricardo

; Cardoso-Guimarães, Gustavo

; Palou-Redorta, Joan

; Abreu-Clavijo, Diego

; Cassio-Zequi, Stenio de

; Rodriguez-Covarrubias, Francisco T.

Revista de investigación clínica

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oct 2020, Volume 72 N. 5 Pages 308 - 315

Abstract: En | Text: En | PDF: En

Background: The incidence of renal cell carcinoma (RCC) is increasing globally due to an aging population and widespread use of imaging studies. Objective: The aim of this study was to describe the characteristics and perioperative outcomes of RCC surgery in very elderly patients (VEP), ≥ 75 years of age. Methods: This is a retrospective comparative study of 3656 patients who underwent the treatment for RCC from 1990 to 2015 in 28 centers from eight Latin American countries. We compared baseline characteristics as well as clinical and perioperative outcomes according to age groups (<75 vs. ≥75 years). Surgical complications were classified with the Clavien-Dindo score. We performed logistic regression analysis to identify factors associated with perioperative complications. Results: There were 410 VEP patients (11.2%). On bivariate analysis, VEP had a lower body mass index (p < 0.01) and higher ASA score (ASA >2 in 26.3% vs. 12.4%, p < 0.01). There was no difference in performance status and clinical stage between the study groups. There were no differences in surgical margins, estimated blood loss (EBL), complication, and mortality rates (1.3% vs. 0.4%, p = 0.17). On multivariate regression analysis, age ≥75 years (odds ratio [OR] 2.33, p < 0.01), EBL ≥ 500 cc (OR 3.34, p < 0.01), and > pT2 stage (OR 1.63, p = 0.04) were independently associated with perioperative complications. Conclusions: Surgical resection of RCC was safe and successful in VEP. Age ≥75 years was independently associated with 30-day perioperative complications. However, the vast majority were low-grade complications. Age alone should not guide decision-making in these patients, and treatment must be tailored according to performance status and severity of comorbidities. (REV INVEST CLIN. 2020;72(5):308-15)

https://doi.org/10.24875/ric.20000018 141 downloads

Rendimiento diagnóstico de la colangioscopía endoscópica: experiencia en el Hospital Juárez de México
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Jaramillo-Vargas, Gabriela I.

; Manrique, Martin A.

; Chávez-García, Miguel Á.

; Cerna-Cardona, Jony

; Andrade-Salinas, Roberto P.

; Montoya-Pérez, Brenda I.

; Molina-Rodríguez, José F.

; García-Méndez, Mario R.

; Velasco-Santiago, Yoali M.

; Ramos-Raudry, Eduardo

; Vásquez-Santander, Inés Z.

Endoscopia

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2020, Volume 32 Suppl. 2 Pages 626 - 632

Abstract: Es | Text: Es | PDF: Es

Resumen Introducción: La colangioscopia endoscópica por SpyGlass permite una observación directa de los conductos biliares para el diagnóstico de lesiones e intervenciones terapéuticas. Sus principales indicaciones estenosis indeterminadas de la vía biliar, estadificación de colangiocarcinoma, neoplasias ampulares, así como el tratamiento de cálculos biliares difíciles que no pudieron ser extraídos por CPRE y sus métodos estándar. Objetivo: Conocer el rendimiento diagnóstico de colangioscopia endoscópica en el Hospital Juárez de México. Material y métodos: Estudio retrospectivo y descriptivo. Resultados: El rendimiento diagnóstico de la colangioscopia endoscópica por SpyGlass, en la serie presentada, es efectiva en el diagnóstico de malignidad y relacionándola con los resultados histopatológicos de la biopsia, tiene un 78.57% de concordancia diagnóstica para malignidad y del 100% de concordancia para lesiones benignas siendo estadísticamente significativo p: 0.0294. En la resolución de litos biliares difíciles su rendimiento diagnóstico tiene una probabilidad de éxito cuando se utiliza litotripsia combinada del 73.68% pero un mayor éxito con litotripsia simple de 76.92%, teniendo una probabilidad de reproductibilidad alta en estudios más amplios (c2 = 0.211). Sin embargo, la diferencia encontrada no es estadísticamente significativa, p= 0.520. Conclusión: La colangioscopia endoscópica por SpyGlass es una técnica con alta eficacia en estenosis indeterminadas y en cálculos biliares difíciles que requieren litotripsia.

https://doi.org/10.24875/end.m20000305 10 downloads

La observación. Primer eslabón del método clínico
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López Palma, Andrea Estefania

; Benítez Hurtado, Ximena Gabriela

; Leon Ron, María José

; Maji Mozo, Pedro Jose

; Dominguez Montoya, Daniel Roberto

; Baez Quiñónez, Domenica Fernanda

Revista Cubana de Reumatología

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aug 2019, Volume 21 N. 2 elocation e94

Abstract: En Es | Text: En Es | PDF: En | PDF: Es

ABSTRACT Introduction: observation is the basis of knowledge of the world and of scientific activity. Objective: to emphasize the importance of observation as part of the clinical method to arrive at the diagnosis in a disease health process and to be able to decide the appropriate treatment. Development: the observation method is a process of decomposition-recomposition of information obtained through perception, according to the scientific purposes established in the modes of observation constructed. It is pointed out that it is an active and organized process over time, in which it is considered, a set of phenomena that can be analyzed. Conclusions: observation is the first stage of the clinical method because it is from where the information is obtained, both by what the patient says and by what can be observed through inspection. It means that not only information is linked to verbal communication, but also to non-verbal forms such as inspection, and in this way it is possible to collect data on what can already be explicit or general or on more specific or specific aspects.

RESUMEN Introducción: la observación es la base del conocimiento del mundo y de la actividad científica. Objetivo: destacar la importancia de la observación como parte del método clínico para arribar al diagnóstico en un proceso salud enfermedad y poder decidir la terapéutica adecuada. Desarrollo: el método de observación es un proceso de descomposición-recomposición de informaciones obtenidas mediante la percepción, según los fines científicos establecidos en los modos de observación construidos. Se señala que es un proceso activo y organizado en el tiempo, en el cual se considera, un conjunto de fenómenos que pueden ser analizados. Conclusiones: la observación es la primera etapa del método clínico porque es de donde parte la obtención de información, tanto por lo que dice el enfermo como por lo que se puede observar mediante la inspección. Quiere decir que, no solo la información se vincula con la comunicación verbal, sino con formas no verbales como la inspección, y de esa forma se llega a acopiar datos sobre lo que ya puede ser explícito o general o sobre aspectos más particulares o específicos.

Rendimiento académico y prácticas artísticas extracurriculares en estudiantes de bachillerato
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Montoya Becerril, Griselda

; Oropeza Tena, Roberto

; Ávalos Latorre, María Luisa

Revista electrónica de investigación educativa

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2019, Volume 21 elocation e13

Abstract: En Es | Text: En Es | PDF: En | PDF: Es

Abstract The aim was to analyze the differences between the academic performance and the type of artistic extracurricular practice in students of high school. Participate 169 students of two high school of Morelia city, Mexico. Information was obtained socio-demographic by means of a card of identification. There was designed and applied an Inventory of Academic Activities and Extra Academic (between them, artistic activity); and there was obtained the grades of every participant. The information analyzed with the program SPSS 20.0. There were carried out tests of difference between the variables: academic performance and type of artistic practice. They found statistically significant differences between the academic performance and the practice of the arts, being the participants who practice artistic activities those of better academic performance especially in subjects of Spanish and literature.

Resumen El objetivo de la investigación fue analizar las diferencias entre el rendimiento académico y el tipo de práctica artística extracurricular en estudiantes de bachillerato. Participaron 169 estudiantes de la ciudad de Morelia, Michoacán (México). Se recabaron datos sociodemográficos mediante una ficha de identificación; se diseñó y aplicó un Inventario de Actividades Académicas y Extra Académicas (actividad artística entre ellas) y se obtuvo la boleta de calificaciones de cada participante; los datos se analizaron con el programa SPSS 20. Se llevaron a cabo pruebas de diferencia entre las variables: rendimiento académico y tipo de práctica artística. Se encontraron diferencias estadísticamente significativas entre el rendimiento académico y la práctica de las artes, siendo los participantes que practican actividades artísticas los de mejor rendimiento académico, sobre todo en las asignaturas de Español y Literatura.

https://doi.org/10.24320/redie.2019.21.e13.1877 2694 downloads

Hernia de Petit congénita en un escolar. Reparación con malla protésica. Reporte de caso
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Martínez-Quiroz, Roberto

; Sánchez-Sierra, Luis Enrique

; Montoya-Reales, David Alexander

; Rodas-Andino, Josue F.

; Velásquez-Bueso, Andrés Eduardo

Revista de cirugía

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2019, Volume 71 N. 1 Pages 75 - 78

Abstract: En Es | Text: En Es | PDF: En | PDF: Es

Introduction: The abdominal wall congenital lumbar hernia is a rare condition, There are around 50 cases describe in the English literature. These are classified according to their anatomical site of appearance, upper or lower lumbar triangle. Case presentation: A 6-year-old male patient presented congenital left mass in the lumbar region, reductible, size 10 x 8 cm; during abdominal ultrasound, hernia was compatible with Petits congenital hernia. A reduction of the hernial sack with anterior plasty and placement of the prosthetic mesh at the defect site was performed. Discussion: The triangle of Grynfelt-Lesshaft, is larger and more constant than the triangle of Petit, the latter represents the least common location. Several repair techniques are described, but anterior hernioplasty is the most recommended. Conclusion: Lumbar hernia should be considered as a differential diagnosis in all newborns with protruding mass on the left or right flank at birth, accompanied or not by another obvious or non-evident malformation. Early diagnosis avoids possible complications and allows for opportune treatment, allowing the patient a better lifestyle.

Resumen Introducción: La hernia lumbar de pared abdominal congénita es una condición rara, existen alrededor de 50 casos publicados en la literatura inglesa; se clasifican según su sitio anatómico de aparición: en triángulo lumbar superior e inferior. Caso clínico: Paciente masculino, 6 años de edad, presenta masa en región lumbar izquierda, congénita, reducible, tamaño de 10 x 8 cm. El ultrasonido abdominal mostró defecto herniario compatible con hernia de Petit congénita. Se realizó reducción del saco herniario con plastía anterior y colocación de malla protésica en el defecto. Discusión: El triángulo de Grynfelt-Lesshaft es más grande y constante que el de Petit, este último representa el lugar menos común de localización. Se describen varias técnicas de reparación, pero la hernioplastía anterior es la más recomendada. Conclusiones: La hernia lumbar debe considerarse como diagnóstico diferencial en todo recién nacido que presenta masa en flanco izquierdo o derecho al nacimiento, con presencia o ausencia de otra malformación. El diagnóstico temprano evita complicaciones y permite el tratamiento oportuno, ofreciendo una mejor calidad de vida al paciente.

3301 downloads

10.

Arteritis de células gigantes en el sistema vertebrobasilar, isquemias cerebelo-occipitales y parálisis III par. Caso clínico
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Adolfo, Del Canto A.

; Montoya S., Francisca

; Marileo Z., Roberto

; Cartier R., Luis

Revista médica de Chile

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nov 2018, Volume 146 N. 11 Pages 1356 - 1360

Abstract: En Es | Text: En Es | PDF: En | PDF: Es

Giant cell arteritis is the most common vasculitis in patients aged over 50 years. We report an 89-year-old woman with significant weight loss and persistent frontal-occipital headaches lasting two months. The neurological examination at admission identified a decrease in visual acuity of the left eye, paralysis of the third cranial nerve of the right eye and alterations of body motility without objective signs of damage of the motor or sensitive pathways. Magnetic resonance imaging showed changes of the temporal artery wall and in both vertebral arteries, as well as bilateral cerebellar and occipital ischemic lesions. The Doppler ultrasound of the temporal arteries was compatible with Giant cell arteritis. Treatment with steroids was started. While receiving oral prednisone, the patient suffered new infarcts of the posterior territory, documented with a CAT scan.

1981 downloads

11.

El plátano: indicador de hambre y escasez de alimentos en familias beneficiarias de programas alimentarios en Vigía del Fuerte, Colombia
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Arboleda-Montoya, Luz M.

; Alfonso-Suárez, Roberto

Revista de Salud Pública

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oct 2018, Volume 20 N. 5 Pages 612 - 617

Abstract: Es En | Text: Es En | PDF: Es | PDF: En

RESUMEN Objetivo Interpretar la percepción de hambre y escasez de alimentos en familias beneficiarias de Programas alimentarios MANA (Mejoramiento Alimentario y Nutricional de Antioquia) en Vigía del Fuerte. Método La investigación se orientó desde el enfoque cualitativo, usando la Etnografía Focalizada como método, para la recolección de la información se utilizaron entrevistas individuales y grupos de discusión. Resultados Las comunidades de la cuenca del río Murrí están protegidas del hambre física por la disponibilidad permanente del plátano; el hambre está asociada a la ausencia de carne o "liga" y al hecho de comer "plátano vacío"; así mismo se refieren al hambre como la sensación de desasosiego, debido al dolor de cabeza y de estómago que experimentan de manera permanente e intensa. Conclusiones A pesar de que las comunidades vigieñas disponen durante todo el tiempo de plátano, protegiéndolas del hambre física; estas no lo aprecian así, como alimento que calma su hambre y los libera, de cierta manera, de la escasez, porque su presencia como único alimento disponible, les recuerda, precisamente, que tienen carencia y hambre.

ABSTRACT Objective To analyze the perception of hunger and food shortage in families benefiting from MANA (Food and Nutritional Improvement) food programs in Vigía del Fuerte, Colombia. Methods Qualitative research, using focused ethnography as a method for collecting information. Individual interviews and discussion groups were used. Results Even though the communities that live by the Murrí River basin are protected from physical hunger due to the constant availability of plantain or musa, hunger is associated with the absence of meat or liga and the fact that they feel forced to eat empty musa. They also refer to hunger as the feeling of uneasiness caused by headache and stomachache. Conclusions Despite the fact that the communities of Vigía del Fuerte have access to plantain throughout the year, thus protecting them from physical hunger, they do not consider it as food that could calm their hunger and free them from scarcity. This happens because its presence as the only food available reminds them, precisely, that they lack certain conditions and feel hunger.

https://doi.org/10.15446/rsap.v20n5.64577 350 downloads

12.

Evaluation of different maze systems for the determination of feed attractability for longarm river prawn Macrobrachium tenellum
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Montoya-Martínez, Cynthia E.

; Carrillo-Pérez, Cristian D.

; Nolasco-Soria, Héctor

; Álvarez-González, Alfonso

; Carrillo-Farnés, Olimpia

; Civera-Cerecedo, Roberto

; Vega-Villasante, Fernando

Latin american journal of aquatic research

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jul 2018, Volume 46 N. 3 Pages 604 - 609

Abstract: En | Text: En | PDF: En

ABSTRACT Previous studies have shown that crustacean feed attractability has an enormous importance, because the consumption, quality and feed conversion rate can be improved, by reducing the time of residence pre-ingestion and the leaching of nutrients. For this reason, different protocols and methods has been developed to measure feed attractability. This study evaluated the use of maze type Y, and rectangular systems to determine the attractant power of a commercial feed on longarm river prawn Macrobrachium tenellum. The Y type maze system without barriers, and with three different types of barriers (with or without access to the area where a commercial feed) was evaluated. Ten prawns were placed in the acclimation chamber of the system at 28°C for 60 min before the start of the experiment. To start the test, commercial feed (20% of prawn biomass) was placed into the system feeding area, then the acclimation chamber was open to allow for the free prawn movement, evaluating the feed attractability by measuring the time for the first “hit”, total number of hits, and the number of prawns which entrances to the feeding area during 15 min. Similar tests were performed with a rectangular type maze system, comparing the atractability results obtained in both systems. The results presented here highlight the importance of the genus behavior and the selection of protocols and systems, as well as the materials used in its maze system construction, for attractability testing in M. tenellum.

https://doi.org/10.3856/vol46-issue3-fulltext-15 375 downloads

13.

In vitro protein digestibility of animal, vegetal and microbial feed ingredients for Macrobrachium tenellum
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Montoya-Martínez, Cynthia

; Nolasco-Soria, Héctor

; Vega-Villasante, Fernando

; Carrillo-Farnés, Olimpia

; Álvarez-González, Alfonso

; Civera-Cerecedo, Roberto

Latin american journal of aquatic research

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jul 2018, Volume 46 N. 3 Pages 495 - 501

Abstract: En | Text: En | PDF: En

ABSTRACT Due to the cost of raw materials, the need to formulate balanced feeds with highly digestible ingredients is indispensable for the aquaculture feed industry. For this reason, the protein in vitro digestibility, assessed by the pH-stat method, of ingredients with potential of using them on the balanced feed for Macrobrachium tenellum, were evaluated. The relative protein digestibility was assessed in twelve feed ingredients, including animal (pork meal, feather poultry meal, prime poultry meal, turkey meal, fish meal, shrimp meal), vegetal (coconut paste, chickpea meal, soybean meal, wheat gluten) and microbial (yeast and Spirulina meal); casein (Hammerstein grade) was used as the reference protein. The highest relative protein digestibility was found in: Spirulina meal (52.6%); following by pork meal (45.6%), and feather poultry meal (39.6%). The lowest digestibilities were found in soybean meal (15.9%), chickpea meal (12.1%), and fish meal (11.6%). The protein digestibility value should be considered for selecting potential ingredients for the formulation of balanced feeds for M. tenellum.

https://doi.org/10.3856/vol46-issue3-fulltext-1 1002 downloads

14.

Attractability and palatability of ingredients in longarm river prawn Macrobrachium tenellum feed
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Montoya-Martínez, Cynthia

; Nolasco-Soria, Héctor

; Vega-Villasante, Fernando

; Carrillo-Farnés, Olimpia

; Álvarez-González, Alfonso

; Civera-Cerecedo, Roberto

Latin american journal of aquatic research

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jul 2018, Volume 46 N. 3 Pages 615 - 620

Abstract: En | Text: En | PDF: En

ABSTRACT The present work evaluates the attractant and palatable potential of six ingredients of animal origin in longarm river prawn Macrobrachium tenellum juveniles in a Y type maze system. Ingredients were pelletized for the first bioassay and included in neutral gelatin (in wet base) in the second bioassay. The ingredient to evaluate was placed in one of the Y-maze arms, allowing the free movement of prawn for 15 min. On both bioassays, attractability was evaluated by quantifying the time required for the first prawn to enter the region where the feed was found and the total of prawns which entered that region. In the second bioassay, also evaluated the palatability quantifying the time for the first prawn to have contact with the ingredient, the total of prawns which had contact with it and the time they remained feeding. No significant differences were obtained between treatments in the first bioassay. Significant differences were found in the second bioassay showing that pork meal, fish meal, feather meal and shrimp meal have greater attractability due to the number of prawns attracted, results also show significant differences in palatability, where fishmeal, shrimp meal and pork meal stimulating a higher number of organisms and promoting a longer consumption time.

https://doi.org/10.3856/vol46-issue3-fulltext-17 716 downloads

15.

Comparison of two interventional techniques for the treatment of chronic shoulder pain
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Arcila Lotero, Mario Andrés

; Mejía Aguilar, María Adelaida

; Rivera Díaz, Roberto Carlo

; Montoya, Liliana Patricia

Colombian Journal of Anestesiology

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mar 2018, Volume 46 N. 1 Pages 26 - 31

Abstract: Es En | Text: Es En | PDF: Es | PDF: En

Resumen Introducción: La prevalencia del dolor crónico de hombro es del 20%; su tratamiento incluye medidas farmacológicas, no farmacológicas e intervencionismo analgésico. Recientemente se ha aumentado la práctica de inyecciones intrarticulares y bloqueos periféricos guiados por ultrasonido con resultados favorables pero con pocas comparaciones que permitan determinar su utilidad en pacientes con dolor crónico por artrosis de hombro que no mejoran con tratamiento farmacológico. Objetivo: Comparar la eficacia clínica y la seguridad de dos técnicas intervencionistas en pacientes con dolor crónico de hombro secundario a artrosis. Métodos: Estudio analítico de cohorte retrospectiva para comparar la eficacia clínica y seguridad de dos técnicas intervencionistas, en términos de disminución del dolor, tiempo de mejoría y efectos adversos, en pacientes que consultaron al Instituto Colombiano del Dolor entre junio de 2011 y abril de 2012 y que fueron seguidos por al menos 16 semanas. Resultados: se analizaron 62 pacientes con dolor crónico de hombro secundario a osteoartritis. A 29 pacientes se les realizó un bloqueo de nervio supraescapular y a 33 un bloqueo tricompartimental de hombro, ambos guiados por ultrasonografía. Se encontró una disminución estadísticamente significativa de la intensidad del dolor a lo largo de las 16 semanas en ambos grupos (p<0,0001), con ausencia de complicaciones. Conclusión: Ambas técnicas analgésicas proveen una disminución significativa del dolor en las 16 semanas, con una tendencia clínica superior en favor del bloqueo supraescapular, y representan una opción terapéutica segura por la baja presentación de complicaciones.

Abstract Introduction: The prevalence of chronic shoulder pain is 20%, and treatment involves pharmacological and non-pharmacological means, as well as analgesic interventional procedures. The use of intra-articular injections and ultrasound-guided blocks has increased with favorable results, but there are few comparisons to determine their effective use in patients with chronic pain due to shoulder arthrosis refractory to pharmacological treatment. Objective: To compare the clinical efficacy and safety of 2 interventional techniques in patients with chronic shoulder pain secondary to arthrosis. Methods: Retrospective cohort analytical study to compare the clinical efficacy and safety of 2 interventional techniques in terms of pain relief, improvement time, and adverse effects in patients coming to Instituto Colombiano del Dolor (Colombian Pain Institute) between June 2011 and April 2012, followed during a period of at least 16 weeks. Results: The analysis included 62 patients with chronic shoulder pain secondary to osteoarthritis. Suprascapular nerve blocks were performed in 29 patients, and tricompartmental blockade was used in 33 patients, and both procedures were performed under ultrasound guidance. A statistically significant reduction in pain intensity was found during the 16-week period in both groups (P < 0.0001), and there were no complications. Conclusion: Both analgesic techniques provided significant pain reduction over the 16-week period, with a superior clinical trend in favor of the suprascapular nerve block, and they were found to be safe therapeutic options because of the low rate of complications.

https://doi.org/10.1097/cj9.0000000000000005 760 downloads

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