El trasplante de córnea en Villa Clara: diez años transcurridos de la primera intervención quirúrgica / Corneal transplantation in Villa Clara: after ten years the first surgical intervention

Introducción: La córnea constituye el elemento más importante del sistema óptico, al ser el primer medio transparente del ojo; tiene la finalidad de mejorar la calidad de la imagen que se forma en la retina, por lo que su transparencia es imprescindible para poder obtener una buena agudeza visual. Cuando sus capas están afectadas por diferentes enfermedades, se requiere sustituir este tejido dañado; este procedimiento, denominado trasplante de córnea o queratoplastia, tiene diferentes finalidades. Objetivo: Caracterizar los resultados de la cirugía de trasplante de córnea tras diez años del primer procedimiento quirúrgico en la provincia de Villa Clara. Métodos: Se realizó un estudio observacional descriptivo longitudinal retrospectivo, con una muestra de 204 pacientes operados de trasplante de córnea en el Hospital Universitario Clínico-Quirúrgico «Arnaldo Milián Castro» de Villa Clara, en el período comprendido entre 2008 y 2018. Las variables estudiadas fueron: sexo, finalidad del procedimiento, diagnóstico y complicaciones. Resultados: Predominó el sexo masculino (53,4 %); la finalidad más frecuente del trasplante tuvo fines ópticos (85,8 %); principal diagnóstico: la queratopatía bullosa (42,7 %); dentro de las complicaciones más frecuentes estuvieron: el rechazo al injerto, el defecto epitelial y el glaucoma secundario. Conclusiones: La cirugía de trasplante de córnea en la provincia de Villa Clara significa un gran avance en el desarrollo y perfeccionamiento para el tratamiento de múltiples afecciones corneales. Los diagnósticos más frecuentes fueron: la queratopatía bullosa y las opacidades corneales; las complicaciones más frecuentes, el rechazo al injerto, la aparición de defectos epiteliales y el glaucoma secundario.

Introduction: the cornea constitutes the most important element of the optical system, being the first transparent medium of the eye; its purpose is to improve the quality of the image that is formed on the retina, so its transparency is essential to obtain good visual acuity. When its layers are affected by different diseases, it is required to replace this damaged tissue; this procedure called cornea transplant or keratoplasty has different purposes. Objective: to characterize the results of corneal transplant surgery ten years after the first surgical procedure in Villa Clara province. Methods: a retrospective, longitudinal, descriptive and observational study was carried out with a sample of 204 patients who underwent corneal transplant surgery at "Arnaldo Milián Castro" Clinical and Surgical University Hospital in Villa Clara between 2008 and 2018. Age, purpose of the procedure, diagnosis and complications were the variables studied. Results: male gender predominated (53.4%); the most frequent purpose of the transplant was for optical purposes (85.8%); bullous keratopathy (42.7%) was the main diagnosis as well as, graft rejection, epithelial defect and secondary glaucoma were among the most frequent complications. Conclusions: corneal transplant surgery in Villa Clara province means a great advance in the development and improvement for the treatment of multiple corneal conditions. The most frequent diagnoses were bullous keratopathy and corneal opacities; graft rejection, the appearance of epithelial defects and secondary glaucoma were the most frequent complications.

Medical Research Trends in Undergraduate Psychological Theses: A report from a South American country

Introduction: Psychological research can be developed by researchers and also by undergraduate or postgraduate students. In an undergraduate level, psychological research is specially challenging due to the limited ability of students to develop coherent and logical research problems and methodological approaches. Objective: The objective of this study is to identify the main research trends in undergraduate psychological theses from Peruvian universities. As a specific objective, quantitative and qualitative research design trends were distinguished. Methods: A descriptive and retrospective systematic review of psychological research thesis of Peruvian undergraduate students was conducted, starting the data extraction process starting with RENATI database for an initial screening phase. Data analysis was conducted in two phases. Results: First, data was organized in relation to its frequency of the categories of authors' sex, the universities were catalogued as universities 1, 2, 3, 4 and 5 according to their ranking, the categories of years of publication, number of authors, designs, type of methodology, and area of publication were obtained. Descriptive frequency statistics were established based on these categories. In the next phase, lexicometric and statistical textual analysis were used to identify research trending topics. Discussion: The main results show that different topics are predominantly framed within the clinical and health psychology line of research, mainly those related to coping styles, psychological stress and wellbeing.

Introducción: La investigación psicológica puede ser desarrollada por investigadores y también por estudiantes de pregrado o posgrado. En un nivel de pregrado, la investigación psicológica es especialmente desafiante debido a la capacidad limitada de los estudiantes para desarrollar problemas de investigación y enfoques metodológicos coherentes y lógicos. Objetivo: El objetivo de este estudio es identificar las principales tendencias de investigación en las tesis de grado en psicología de las universidades peruanas. Como objetivo específico, se distinguieron las tendencias de diseño de investigación cuantitativa y cualitativa. Metodología: Se realizó una revisión sistemática descriptiva y retrospectiva de tesis de investigación en psicología de estudiantes universitarios peruanos, iniciando el proceso de extracción de datos a partir de la base de datos RENATI para una fase inicial de selección. El análisis de datos se realizó en dos fases. Resultados: Primero se organizaron los datos en relación a su frecuencia de las categorías de sexo de los autores, las universidades se catalogaron como universidades 1, 2, 3, 4 y 5 según su ranking, las categorías de años de publicación, número de autores Se obtuvieron diseños, tipo de metodología y área de publicación. A partir de estas categorías se establecieron estadísticos descriptivos de frecuencia. En la siguiente fase, se utilizaron análisis textuales lexicométricos y estadísticos para identificar los temas de tendencia de investigación. Discusión: Los principales resultados muestran que diferentes temas se enmarcan predominantemente dentro de la línea de investigación de la psicología clínica y de la salud, principalmente los relacionados con los estilos de afrontamiento, el estrés psicológico y el bienestar.

Reasons for the use of masks in open areas after the Peruvian government announced that it will no longer be mandatory in the context of COVID-19 in 2022

Introduction: In Peru, a high proportion of fully immunized people against COVID-19 has been achieved, which has mitigated the severity of the disease. Thus, under the recommendation of experts, the Peruvian government issued Supreme Decree 118-2022-PCM, which indicated that the use of masks is optional in open and ventilated enclosed spaces as of October 1, 2022. Objective: The aim of the present study was to find out the reasons why people continued to wear masks even though it was not mandatory in outdoor environments. Methods: A total of 335 people participated, with an average age of 26.11 years (73.1% women). A data collection form was prepared where sociodemographic and health information was requested; in addition, the question "Why do you continue to wear mask despite it being optional in open and closed ventilated spaces?" was included. The data obtained from the last open question of the instrument was analyzed by means of a discursive textual analysis (DTA) and an exploratory analysis through IRAMUTEQ. Results: Results indicate that people continue to wear masks, despite the lifting of the restrictions, to avoid contagion of COVID-19 and other respiratory diseases. In addition, the prevention of possible infection and transmission of the virus also focused on the family and vulnerable people. Discussion: It is concluded that the practice of wearing masks may be influenced by individual perceptions of risk and interpretations of responsibility and solidarity towards others.

Introducción: En el Perú, se logró una alta proporción de personas completamente inmunizados contra COVID-19 que ha mitigado la severidad de la enfermedad. Es así que, bajo la recomendación de expertos el gobierno peruano emitió el Decreto Supremo 118-2022-PCM, donde se indicó que el uso de la mascarilla es opcional en espacios abiertos y espacios cerrados ventilados a partir del 1 de octubre del 2022. Objetivo: El presente estudio fue conocer las razones por las cuales las personas continuaron usando mascarilla a pesar de que no era obligatorio en ambientes exteriores. Metodología: Participaron un total de 335 personas con un promedio de edad de 26.11 años (73.1% mujeres). Se elaboró una ficha de recolección de datos donde se solicitó información sociodemográfica y de salud; además, se incluyó la pregunta "¿por qué sigue utilizando la mascarilla a pesar de que es opcional en espacios abiertos y cerrados ventilados?" Los datos obtenidos de la última pregunta abierta del instrumento se analizaron mediante un análisis textual discursivo (ATD) y un análisis exploratorio a través de IRAMUTEQ. Resultados: Los resultados indicaron que, las personas seguían utilizando mascarillas, a pesar de estar levantadas las restricciones, para evitar contagios de la COVID-19 y de otras enfermedades respiratorias. Además, esta prevención de una posible infección y transmisión del virus es enfocada también a la propia familia y personas vulnerables. Discusión: Se concluye que, la práctica de usar mascarillas puede estar influenciada por las percepciones individuales del riesgo y las interpretaciones de responsabilidad y solidaridad frente a los demás.

Cross-cultural invariance of the Spanish version of the COVID-19 Assessment Scorecard to measure the perception of government actions against COVID-19 in Latin America

Abstract Objectives The present study aimed to evaluate the measurement invariance of a general measure of the perception of governmental responses to COVID--19 (COVID-SCORE-10) in the general population of 13 Latin American countries. Methods A total of 5780 individuals from 13 Latin American and Caribbean countries selected by non-probabilistic snowball sampling participated. A confirmatory factor analysis was performed and the alignment method was used to evaluate invariance. Additionally, a graded response model was used for the assessment of item characteristics. Results The results indicate that there is approximate measurement invariance of the COVID-SCORE-10 among the participating countries. Furthermore, IRT results suggest that the COVID-SCORE-10 measures with good psychometric ability a broad spectrum of the construct assessed, especially around average levels. Comparison of COVID-SCORE-10 scores indicated that participants from Cuba, Uruguay and El Salvador had the most positive perceptions of government actions to address the pandemic. Thus, the underlying construct of perception of government actions was equivalent in all countries. Conclusion The results show the importance of initially establishing the fundamental measurement properties and MI before inferring the cross-cultural universality of the construct to be measured.

Impact of COVID-19 on quality of life in Peruvian older adults: construct validity, reliability and invariance of the COV19-Impact on Quality of Life (COV19-QoL) measurement

Abstract The aim of the present study was to translate into Spanish and evaluate the psychometric evidence of the Impact on Quality of Life (COV19-QoL) applied to a sample of Peruvian older adults ( N = 298; 58.1% women, 41.9% men, mean age 65.34 years [SD = 11.33]). The study used techniques from the Classical Test Theory (CTT) and Item Response Theory (IRT). The findings confirmed the single factor structure of the COV19-QoL, high internal consistency reliability, measurement invariance by gender, and all items demonstrated adequate discrimination and difficulty indices. In this sense, the items allow adequate discrimination between low, medium and high levels of the impact of the COVID-19 pandemic on quality of life. In addition, a greater perceived impact of the pandemic on quality of life is necessary to answer the higher response options of the COV19-QoL. In conclusion, the COV19-QoL is a valid measurement scale of the impact of the COVID-19 pandemic on the quality of life of Peruvian older adults.

Pandemic grief in El Salvador: factors that predict dysfunctional grief due to a COVID-19 death among Salvadoran adults

Abstract Thousands of people have died of COVID-19 in El Salvador. However, little is known about the mental health of those who are mourning the loss of a loved one to COVID-19. Therefore, the objective of this study was to examine the dysfunctional grief associated with COVID-19 death among Salvadoran adults. A sample of 435 Salvadorans ( M = 29 years; SD = 8.75) who lost a family member or loved one to COVID-19 completed a digital survey using the Google Forms platform, during April 2 and 28, 2022. The results revealed that 35.1% reported clinically elevated symptoms of dysfunctional grief and among those mourners, and 25.1% also exhibited clinical levels of coronavirus anxiety. A binary logistic regression revealed that predictor variables such as COVID-19 anxiety ( p = .003), depression ( p = .021), and COVID-19 obsession ( p = .032) were significant ( χ 2 = 84.31; Nagelkerke R 2 = .242) and predict a 24.2% chance of dysfunctional bereavement.

El Campus Virtual de Salud Pública de la Organización Panamericana de la Salud como estrategia de cooperación técnica / The Pan American Health Organization's Virtual Campus for Public Health as a technical cooperation strategy / O Campus Virtual de Saúde Pública da Organização Pan-Americana de Saúde como estratégia de cooperação técnica

RESUMEN El Campus Virtual de Salud Pública es la plataforma educativa de la Organización Panamericana de la Salud, concebida como herramienta para la cooperación técnica. Los objetivos de este artículo son caracterizar la oferta de formación del Campus Virtual de Salud Pública identificando las propuestas de cursos virtuales; caracterizar a los participantes de los cursos; describir los procesos de actualización tecnológica y sus avances en términos de accesibilidad; e identificar su relación con las principales líneas de cooperación de la Organización Panamericana de la Salud. El Campus Virtual de Salud Pública ha desarrollado 210 cursos con tutoría y 226 de autoaprendizaje desde 2007, relacionados con las políticas de la Organización. Se verificó un uso heterogéneo del campus en las distintas temáticas de la cooperación. La cantidad de cursos autoadministrados realizados durante la pandemia superó la cifra total acumulada en años previos. Los participantes provienen principalmente de Latinoamérica. Un 67,5% son mujeres, con edades entre 26 y 45 años. Un 57,1% posee educación universitaria, principalmente en enfermería o medicina. La mitad trabaja en hospitales y un 35,8% en el primer nivel. Más de un 90% de los participantes evaluaron favorablemente los temas abordados, recursos de conocimiento y características del aula virtual. Como dificultades, señalan escasa disponibilidad de tiempo y bajo acceso a internet. Como ventajas, destacan autonomía de horarios y acceso a diversas fuentes de información. Las herramientas de evaluación disponibles no son suficientes para reconocer el impacto de los programas educativos. Se plantean los desafíos de profundizar en la accesibilidad y calidad de las propuestas educativas, fortalecer la relación con los temas de cooperación y mejorar la evaluación de los cursos y el conocimiento sobre los usuarios.

ABSTRACT The Virtual Campus for Public Health (VCPH) is the educational platform of the Pan American Health Organization, conceived as a tool for technical cooperation. The objectives of this article are to: characterize the training offered at the VCPH, identifying its virtual courses; characterize course participants; describe technological updating processes and the advances made in terms of accessibility; and identify the VCPH's relationship with the main lines of cooperation of the Pan American Health Organization. The VCPH has developed 210 tutored courses and 226 self-learning courses since 2007, related to the Organization's policies. Heterogeneous use of the campus was observed in the different areas of cooperation. The number of self-learning courses conducted during the pandemic surpassed the total figure accumulated in previous years. Participants are mainly from Latin America; 67.5% are women between 26 and 45 years of age; 57.1% have a university education, mainly in nursing or medicine; half of them work in hospitals and 35.8% at the first level of care. More than 90% of the participants had a favorable opinion of the topics addressed, the learning resources offered, and the characteristics of the virtual classroom. Among difficulties, they indicated little available time and poor internet access; among advantages, they emphasized independent schedules and access to various sources of information. The available assessment tools are not sufficient to determine the impact of VCPH educational programs. The challenges are to deepen the accessibility and quality of education offered, strengthen links with areas of cooperation, and improve course evaluations and knowledge about VCPH users.

RESUMO O Campus Virtual de Saúde Pública é a plataforma educacional da Organização Pan-Americana da Saúde, concebida como uma ferramenta de cooperação técnica. Os objetivos deste artigo são caracterizar os treinamentos oferecidos pelo Campus Virtual de Saúde Pública, identificando as propostas de cursos virtuais; caracterizar os participantes desses cursos; descrever os processos de atualização tecnológica e seu progresso em termos de acessibilidade; e identificar sua relação com as principais linhas de cooperação da Organização Pan-Americana da Saúde. Desde 2007, o Campus Virtual de Saúde Pública desenvolveu 210 cursos com orientação e 226 cursos de autoaprendizagem relacionados às políticas da Organização. Houve um uso heterogêneo do campus em relação aos diferentes temas de cooperação. O número de cursos de autoaprendizagem realizados durante a pandemia excedeu o número total acumulado nos anos anteriores. Os participantes são oriundos principalmente da América Latina. No total, 67,5% são mulheres, com idade entre 26 e 45 anos, e 57,1% têm formação universitária, principalmente em enfermagem ou medicina. Metade trabalha em hospitais e 35,8% na atenção primária. Mais de 90% dos participantes fizeram uma avaliação favorável dos tópicos abordados, recursos de conhecimento e características da sala de aula virtual. Como dificuldades, destacam-se a pouca disponibilidade de tempo e o acesso limitado à Internet. As vantagens incluem a autonomia de horários e o acesso a várias fontes de informação. As ferramentas de avaliação disponíveis não são suficientes para reconhecer o impacto dos programas educacionais. Os desafios são aprofundar a acessibilidade e a qualidade das propostas educacionais, fortalecer sua relação com os temas de cooperação e melhorar a avaliação dos cursos e o conhecimento dos usuários.

Cross-cultural validity of the five items Mindful Attention Awareness Scale (MAAS-5) in Peru and Mexico during the COVID-19 pandemic

The Spanish version of the 5-item Mindful Attention Awareness Scale (MAAS-5) is a brief measure of the general tendency to be attentive and aware of experiences in the present moment during daily life. The MAAS-5 has been used in different countries; however, an assessment of its cross-cultural measurement invariance (MI) has not been conducted. Therefore, the study aimed to evaluate the cross-cultural measurement invariance of the MAAS-5 in university students from two countries: Peru and Mexico. A total of 1144 university students from Peru (N = 822) and Mexico (N = 322) responded online to the Spanish version of the 5-item Mindful Attention Awareness Scale (MAAS-5). A multigroup confirmatory factor analysis was performed. Measurement invariance tests the hypothesis that the model behind a set of scores is comparable between groups. The results showed that the unidimensional structure of the MAAS-5 is the same between Peruvian and Mexican university students. Therefore, it is suggested that university students from both countries conceptualize the mindfulness in a similar way. As a result, the MAAS-5 can be used to compare differences between countries. No significant differences were observed in the MAAS-5 score between Peruvian and Mexican university students. The present study contributes to a better understanding of the psychometric properties of the MAAS-5 by presenting MI results in two Latin American countries. Implications of the findings are discussed, which will facilitate a more solid and reliable use of the MAAS-5 in future cross-cultural studies. (AU)

Manifestaciones oftalmológicas de la COVID-19 y bases de su transmisión ocular / Ophthalmic manifestations of COVID-19 and Bases for its ocular transmission

Introducción: La COVID-19 es un importante problema de salud definido como pandemia. Estudios en felinos y murinos describieron cuadros de conjuntivitis, uveítis anterior, retinitis y neuritis óptica. En humanos lo más frecuente es la conjuntivitis viral aguda, sin embargo, su estudio continúa en evolución. Se investiga la infección por coronavirus adquirida mediante la transmisión ocular, pero su mecanismo no se ha esclarecido totalmente. Objetivos: Describir las principales manifestaciones oftalmológicas, así como el papel del dinamismo de la superficie ocular y la presencia de receptores moleculares en la transmisión del SARS-CoV-2 por esta vía. Métodos: Se realizó una revisión de la literatura en idioma español e inglés, en los repositorios PubMed, Ebsco, Scielo y Google Académico desde el 1ro de enero hasta el 31 de julio de 2020. Además, se consultaron sitios web de organismos y asociaciones oftalmológicas. Conclusiones: La conjuntivitis viral es la principal presentación oftalmológica del coronavirus 2019. Aunque existe un bajo riesgo de infestación a través de lágrimas, su mecanismo de transmisión por esta vía se ha descrito. Incluso en ausencia de conjuntivitis, el SARS-CoV-2 puede existir o replicarse en la conjuntiva, por tanto, la protección ocular es aconsejable(AU)

Introduction: COVID-19 is an important global health problem which has been declared pandemic by the World Health Organization. Studies on felines and murines have described cases of conjunctivitis, anterior uveitis, retinitis and optic neuritis. The most common condition in humans is acute viral conjunctivitis; however, its study is still in progress. Research is conducted about coronavirus infection acquired by ocular transmission, the mechanism of which has not been totally clarified. Objectives: Describe the main ophthalmic manifestations, as well as the role played by ocular surface dynamics and the presence of molecular receptors in SARS-CoV-2 transmission by this route. Methods: A literature review was conducted of papers published in Spanish or English in the repositories PubMed, Ebsco, Scielo and Google Scholar from 1 January to 31 July 2020. Websites of ophthalmological agencies and associations were also consulted. Conclusions: Viral conjunctivitis is the main ophthalmic presentation of coronavirus 2019. Although the risk of contagion through tears is low, the transmission mechanism by this route has not been described. Even in the absence of conjunctivitis, SARS-CoV-2 may exist or replicate in the conjunctiva. Ocular protection is therefore advisable(AU)

Monosomía 9p24 secundaria a translocación (2; 9) en dos pacientes no relacionadas / Monosomy 9p24 in two non-related patients as result of a translocation (2; 9)

En pacientes con malformaciones congénitas y retraso del desarrollo psicomotor, deben descartarse cromosomopatías. Las más frecuentes son las translocaciones recíprocas balanceadas, presentes en 1:500 recién nacidos vivos. Por lo general, los portadores tienen fenotipo normal, aunque, ocasionalmente, presentan infertilidad, abortos o hijos con malformaciones. La translocación balanceada entre los cromosomas 2 y 9 puede originar descendencia con monosomías y trisomías de estos cromosomas. La monosomía del brazo corto del cromosoma 9 puede presentarse con trigonocefalia, dismorfias faciales, anomalías genitales y retraso del desarrollo psicomotor. En este trabajo, se revisaron las alteraciones de los cromosomas 2 y/o 9 en los cariotipos realizados en nuestra Institución en 2005-2014. Se presentan dos pacientes con monosomía 9p asociada a translocación (2;9). Las pacientes comparten datos de monosomía 9p24-pter; la correlación genotipo-fenotipo es compleja por el tamaño de los segmentos involucrados. Se resalta la importancia del diagnóstico cromosómico para el asesoramiento genético.

In patients with malformations and delayed psychomotor development it is important to discard chromosomopathies. Balanced reciprocal translocations are the most frequent chromosomopathies present in 1:500 live newborns. In general, carriers have normal phenotype, but they may have infertility, abortions or children with congenital malformations. The reciprocal translocation between chromosomes 2 and 9 can lead to offspring with monosomies and trisomies of these chromosomes. Short arm monosomy of chromosome 9 may present delayed psychomotor development, trigonocephaly, facial dysmorphia and genital abnormalities. We reviewed GTG karyotype records from our Institution to identify cases with chromosomes 2 and/or 9 alterations from 2005 to 2014. We describe two cases with monosomy 9p secondary to a translocation between chromosomes 2 and 9. The patients share features of monosomy 9p24-pter, however the genotype-phenotype correlation is complex due to the extension of the involved segments. We emphasize the importance of chromosomal diagnosis to offer genetic assessment.

Xantoastrocitoma pleomórfico / Pleomorphic Xanthoastrocytoma

El xantoastrocitoma pleomórfico, por su extrema rareza, conlleva alta complejidad en el diagnóstico histopatológico. Se presenta el caso clínico en un sujeto de sexo masculino, de 40 años, con antecedentes de crisis convulsivas de presentación tardía, secundarias a meningioma atípico grado II localizado en región occipital izquierda, resecado por dos ocasiones en el transcurso de 6 años. Recibió radioterapia a dosis completa luego de la segunda resección. El diagnóstico histopatológico inicial fue meningioma atípico gra-do II. El paciente acude al HCAM por cefalea holocraneal intensa y hemiparesia braquiocrural derecha; en los estudios de resonancia magnética nuclear con gadolinio se observó el crecimiento de una lesión occipi-tal izquierda con edema perilesional que ameritó resección total de la lesión a través de la craniectomía previa. Como hallazgo macroscópico, se describe una masa violácea que infiltra duramadre carente de un plano de clivaje; el estudio histopatológico detalla una neoplasia glial hipercelular con infiltración difusa con reacción inmunohistoquímica intensa para PGAF (proteína glial acida fibrilar), S100 y CD56 en células tumorales, CD34 positivo. KI67 positivo en 3% y P53 débilmente positivo, compatible con xantoastroci-toma pleomórfico WHO II.(AU)

The pleomorphic xantoastrocytoma, due to its extreme rarity, carries high complexity in the histo-pathological diagnosis. The clinical case is presented in a male subject, 40 years old, with a history of sei-zures with late presentation, secondary to atypical meningioma grade II located in the left occipital region, resected twice in the course of 6 years. He received full-dose radiation therapy after the second resection. The initial histopathological diagnosis was atypical meningioma grade II. The patient comes to HCAM due to intense holocranial headache and right brachiocrural hemiparesis; In the gadolinium nuclear magnetic resonance studies the growth of a left occipital lesion with perilesional edema that warranted total resec-tion of the lesion through previous craniectomy was observed. As a macroscopic finding, a violaceous mass is described which infiltrates dura mater lacking a plane of cleavage; The histopathological study details a hypercellular glial neoplasia with diffuse infiltration with intense immunohistochemical reaction for PGAF (glial acidic glial protein), S100 and CD56 in tumor cells, CD34 positive. It was KI67 positive in 3% and P53 weakly positive, compatible with pleomorphic xantoastrocytoma WHO II. (AU)

Oclusión intestinal mecánica por fitobezoar / Mechanical intestinal occlusion by phytobezoar

Los bezoares son recolecciones de material orgánico no digerible, que luego de ser ingerido, se acumulan con el tiempo en el estómago o intestino delgado. La presentación más común del bezoar es en la forma de fitobezoar, el cual es causado por la acumulación de partículas sin digerir de origen vegetal. Los fitobezoares son responsables de sólo 0,4-4 por ciento de todas las obstrucciones intestinales. Se presenta un paciente masculino de 51 años hospitalizado e intervenido quirúrgicamente por presentar una oclusión intestinal que en el acto operatorio se constató que la causa fue por fitobezoar. La presentación como oclusión intestinal es muy rara, dado que sigue un curso insidioso y progresivo. El diagnóstico de oclusión intestinal por bezoar puede resultar muy difícil, ya que es una entidad muy poco frecuente y la historia de la ingesta de estos materiales es rara vez expresada espontáneamente. El diagnóstico de oclusión intestinal secundaria a fitobezoar requiere de tratamiento quirúrgico precoz, ya que su retraso conlleva a una elevada morbimortalidad. El fitobezoar es una causa rara de obstrucción de intestino delgado. Su sospecha clínica es frecuentemente pasada por alto. Es importante conocer la conducta a seguir en estos casos para garantizar un correcto tratamiento(AU)

Bezoars are collections of indigestible organic material, which accumulate in the stomach or small intestine after being ingested. The most common presentation of bezoar is in the form of phytobezoar, which is caused by the accumulation of undigested particles of vegetable origin. Phytobezoars are responsible for 0.4-4 percent of all intestinal obstructions. A 51-year-old male patient was hospitalized and operated, after presentation with an intestinal occlusion. During the surgical procedure, the cause was found to be fitobezoar. This type of intestinal obstruction is much rare; it follows an insidious and progressive course. Its diagnosis can be much difficult; history of disagreement regarding these materials is rarely expressed by patients spontaneously. The diagnosis of intestinal secondary occlusion by phytobezoar requires early surgical treatment because the delay has led to high morbidity and mortality. The phytobezoar is a rare cause of small bowel obstruction. Ii is often ruled out as clinical suspicion. It is important to know how to perform in these cases, in order to ensure proper treatment(AU)

Torsión vesicular a propósito de un caso / On a case report of gallbladder torsion

La torsión vesicular es una entidad muy poco frecuente en la que se produce un giro de la vesícula biliar a lo largo de su eje con afectación de la irrigación vascular de forma completa o incompleta. En este artículo presentamos una paciente de 98 años, que fue hospitalizada para tratamiento quirúrgico urgente con diagnóstico de colecistitis aguda; durante el acto quirúrgico se detectó torsión vesicular. Esta enfermedad es frecuente en personas ancianas del sexo femenino. Su diagnóstico preoperatorio es muy difícil y generalmente se realiza en el acto operatorio. El tratamiento es siempre quirúrgico (detorsión de la vesícula y colecistectomía). Por las dificultades diagnósticas que presenta esta enfermedad es importante conocerla para evitar las complicaciones derivadas de una actuación médica tardía(AU)

Gallbladder torsion is an uncommon clinical entity. It is known to occur when of the gallbladder rotation occurs along the axis of the cystic duct and vascular pedicle, with affectation of vascular irrigation in a complete or incomplete form. This article presents a 98-year-old woman, who was hospitalized for emergency surgical treatment with a diagnosis of acute cholecystitis; gallbladder torsion was diagnosed in the operative act. This disease is more frequently found in females and aged patients. The positive preoperative diagnosis of gallbladder torsion is much difficult and is frequently carried out in the operative act. The chosen treatment is to distortion of the gallbladder and cholecystectomy. Knowing gallbladder torsion will permit avoiding the complications derived from an overdue medical intervention(AU)

Hernia de Amyand: a propósito de un caso / Amyand´s hernia: a propos of a case

La hernia de Amyand es una enfermedad generalmente diagnosticada durante el acto quirúrgico. Su incidencia se encuentra entre 0,28 y 1 por ciento. El objetivo de este trabajo es presentar un tipo de hernia poco frecuente. Se presenta un paciente masculino de 82 años, que fue hospitalizado para tratamiento quirúrgico con diagnóstico de hernia inguinal derecha atascada y en el acto operatorio se le diagnosticó hernia de Amyand. El tratamiento de elección propuesto es la apendicectomía a través de una herniotomía con reparación primaria de la hernia por medio de la misma incisión. Por las dificultades diagnósticas que presenta esta enfermedad es importante realizar una correcta anamnesis y examen físico(AU)

Amyand´s hernia is generally diagnosed during the surgical act. Its incidence rate ranges from 0.28 to 1 percent. The objective of this paper was to present an infrequent type of hernia. This is a report on a 82 years-old male patient who was hospitalized for surgical treatment with diagnosis of right stuck inguinal hernia and he was diagnosed with Amyand´s hernia in the surgical act. The recommended treatment is appendectomy through an inguinal incision with primary repair of the hernia using the same incision. Due to the diagnostic difficulties that this disease presents it is important to carry out correct anamnesis and physical examination(AU)

Hernia de Amyand. Presentación de un caso / Amyand’s Hernia. Case Report

La hernia de Amyand es una rara enfermedad generalmente diagnosticada durante el acto quirúrgico. Su incidencia se encuentra entre el 0,28-1 %. El tratamiento de elección propuesto es la apendicectomía a través de una herniotomía con reparación primaria de la hernia utilizando la misma incisión. Se presenta el caso de un paciente masculino de 85 años, que fue hospitalizado para tratamiento quirúrgico con diagnóstico de hernia inguinal derecha encarcelada y en el acto operatorio se le diagnosticó hernia de Amyand. Tuvo una evolución satisfactoria. Por lo poco común de esta entidad se decidió la presentación del caso.

Amyand’s hernia is a rare disease generally diagnosed during the surgical act. Its incidence is between the 0, 28-1 %. The proposed treatment of election is the appendectomy through a herniotomy with primary reparation of the hernia using the same incision. It is presented an 85 year old male patient’s case who was hospitalized for surgical treatment with diagnosis of impacted right inguinal hernia and Amyand’s hernia was diagnosed in the operative act. He had a satisfactory evolution. It was decided to report the case for being an uncommon entity.