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1.
Medicina (B.Aires) ; Medicina (B.Aires);83(supl.2): 17-21, abr. 2023.
Artigo em Espanhol | LILACS-Express | LILACS | ID: biblio-1430823

RESUMO

Resumen Tanto el Trastorno por Déficit de Atención e Hiperactividad (TDAH) como la ansiedad son dos de los trastornos que más se evidencian en la población infanto-juvenil existiendo una correlación entre ambos tal y como se recoge en numerosos estudios. La combinación de ambos trastornos afecta a los procesos de enseñanza-aprendizaje del niño provocando dificultades de aprendizaje (DA) en el mismo. Los objetivos del presente trabajo se basaron en valorar los criterios que evidencian padres y profesores en niños con TDAH para caracterizar el grado de adecuación de la percepción y evaluar si esta se ajusta a la realidad o es insuficiente, si existen diferencias en dicha percepción entre padres y docentes; analizar la conciencia que tienen sobre las posibles DA que puedan presentar, para así aportar orientaciones adecuadas que permitan una favorable inter vención y evolución. La muestra se compone de 137 sujetos con edades comprendidas entre 9 y 15 años con un Coeficiente Intelectual Total (CIT) de entre 80 y 120. Los instrumentos que se utilizaron fueron: la escala de inteligencia de Wechsler para niños-V (WISC-V), el Cuestionario de Ansiedad Estado-Rasgo en Niños(STAI-C), el Sistema de Evaluación de Niños y Adolescentes(SENA) y el Inventario de Problemas en la Escuela (IPE). Como resultado se observa que la ansiedad percibida por estos niños no está relacionada con la que aprecian padres y profesores, sin embargo, estos últimos sí que coinciden en su apreciación.


Abstract Both Attention Deficit Hyperactivity Disorder (ADHD) and anxiety are two of the disorders that are most evident in the infant-juvenile population and there is a correlation between the two, as shown in numerous studies. The combination of both disorders affects the child's teaching-learning processes, causing learning difficulties (LD). The aims of the present study were based on assessing the criteria evidenced by parents and teachers in children with ADHD to characterize the degree of adequacy of perception and to evaluate whether this is in line with real ity or insufficient, whether there are differences in this perception between parents and teachers, and to analyze their awareness of the possible AD they may present, in order to provide appropriate guidelines for favourable intervention and evolution. The sample consisted of 137 subjects aged between 9 and 15 years with a Total IQ (TIQ) between 80 and 120. The instruments used were: the Wechsler Intelligence Scale for Children-V (WISC-V), the State-Trait Anxiety Questionnaire for Children (STAI-C), the Child and Adolescent Assessment System (SENA) and the Inventory of Problems at School (IPE). As a result, it is observed that the anxiety perceived by these children is not related to the anxiety perceived by parents and teachers, although the latter do coincide in their assessment.

2.
Medicina (B Aires) ; 83 Suppl 2: 17-21, 2023 Mar.
Artigo em Espanhol | MEDLINE | ID: mdl-36820477

RESUMO

Both Attention Deficit Hyperactivity Disorder (ADHD) and anxiety are two of the disorders that are most evident in the infant-juvenile population and there is a correlation between the two, as shown in numerous studies. The combination of both disorders affects the child's teaching-learning processes, causing learning difficulties (LD). The aims of the present study were based on assessing the criteria evidenced by parents and teachers in children with ADHD to characterize the degree of adequacy of perception and to evaluate whether this is in line with reality or insufficient, whether there are differences in this perception between parents and teachers, and to analyze their awareness of the possible AD they may present, in order to provide appropriate guidelines for favourable intervention and evolution. The sample consisted of 137 subjects aged between 9 and 15 years with a Total IQ (TIQ) between 80 and 120. The instruments used were: the Wechsler Intelligence Scale for Children-V (WISCV), the State-Trait Anxiety Questionnaire for Children (STAI-C), the Child and Adolescent Assessment System (SENA) and the Inventory of Problems at School (IPE). As a result, it is observed that the anxiety perceived by these children is not related to the anxiety perceived by parents and teachers, although the latter do coincide in their assessment.


Tanto el Trastorno por Déficit de Atención e Hiperactividad (TDAH) como la ansiedad son dos de los trastornos que más se evidencian en la población infanto-juvenil existiendo una correlación entre ambos tal y como se recoge en numerosos estudios. La combinación de ambos trastornos afecta a los procesos de enseñanza-aprendizaje del niño provocando dificultades de aprendizaje (DA) en el mismo. Los objetivos del presente trabajo se basaron en valorar los criterios que evidencian padres y profesores en niños con TDAH para caracterizar el grado de adecuación de la percepción y evaluar si esta se ajusta a la realidad o es insuficiente, si existen diferencias en dicha percepción entre padres y docentes; analizar la conciencia que tienen sobre las posibles DA que puedan presentar, para así aportar orientaciones adecuadas que permitan una favorable intervención y evolución. La muestra se compone de 137 sujetos con edades comprendidas entre 9 y 15 años con un Coeficiente Intelectual Total (CIT) de entre 80 y 120. Los instrumentos que se utilizaron fueron: la escala de inteligencia de Wechsler para niños-V (WISC-V), el Cuestionario de Ansiedad Estado-Rasgo en Niños(STAI-C), el Sistema de Evaluación de Niños y Adolescentes(SENA) y el Inventario de Problemas en la Escuela (IPE). Como resultado se observa que la ansiedad percibida por estos niños no está relacionada con la que aprecian padres y profesores, sin embargo, estos últimos sí que coinciden en su apreciación.


Assuntos
Transtorno do Deficit de Atenção com Hiperatividade , Adolescente , Humanos , Criança , Transtornos de Ansiedade , Ansiedade , Instituições Acadêmicas , Percepção , Pais
3.
J Fluoresc ; 29(1): 15-25, 2019 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-30361861

RESUMO

The discoloration of methylene blue in aqueous solution was studied under illumination by a fluorescent lamp, LEDs of red, green, and blue light, and a UV-A black light bulb. Overall results showed that methylene blue was discolored with and without the presence of any photoactive semiconductor. Outcomes depended on the combination substrate-light source employed. Photosensitization was assumed as the discoloration mechanism followed upon visible light irradiation. Fluorescence spectroscopy and high-performance liquid chromatography were used to investigate the possible intermediates formed in the irradiated solutions. The detailed nature of formed species was not stablished, but it was proved that the dye molecule photo-bleached and partially defragmented in several intermediates including leuco dyes, demethylated phenothiazine dyes, and probably humic substances. Since the fluorescence intermediates found were similar for most of the irradiated solutions, it was assumed that comparable reactive species were responsible for the discoloration of the molecule in solution. Results proved the misconception of discoloration experiments found in the literature when employing visible light near the absorption region of the dye.

4.
Anim Reprod Sci ; 185: 109-117, 2017 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-28869109

RESUMO

The objective of this study was to evaluate the effect of subclinical mastitis (SCM) on calving-to-first-service interval (CFS), calving-to-conception interval (CC), and on the number of services per conception (S/C) in grazing Holstein and Normande cows. Primiparous (n=43) and multiparous (n=165) cows were selected from five dairy herds. Two composite milk samples were aseptically collected from each cow at drying-off, and then every week during the first postpartum month. One sample was used for somatic cell count (SCC), and the other one for bacteriological analysis. Cows were followed up to 300 d after calving. Non-parametric and parametric survival models, and negative binomial regression were used to assess the association between SCM, evaluated by SCC and milk culture, and reproductive indices. Staphylococcus aureus, CNS, and Streptococcus uberis were the most frequent isolated pathogens. Subclinical mastitis in the first month of lactation was not associated with CFS; however, the CC interval was longer in cows with SCM compared to healthy cows, the former also had a higher number of S/C.


Assuntos
Criação de Animais Domésticos , Mastite Bovina/etiologia , Animais , Infecções Bacterianas/veterinária , Bovinos , Feminino , Leite/microbiologia , Período Pós-Parto , Gravidez , Reprodução , Fatores de Risco
5.
Rev. argent. dermatol ; Rev. argent. dermatol;96(3): 35-39, set. 2015. ilus
Artigo em Espanhol | LILACS | ID: biblio-843050

RESUMO

El liquen escleroso y atrófico (LE y A) del pene, también conocido como balanitis xerótica obliterante (BXO), es una enfermedad inflamatoria crónica del pene que puede ocurrir a cualquier edad. La inflamación conduce a la formación de placas hipocrómicas, más comúnmente en el prepucio o en el glande. En general puede causar fimosis, prurito, dolor por las fisuras, disuria, restricción de la micción, dispareunia y disfunción sexual significativa. Comunicamos un caso de BXO asociado a vitiligo en un paciente de 78 años, quien consultó por dispareunia. Fue derivado a Urología para resolución quirúrgica, donde se realizó una postectomía, cuyo estudio era compatible con una BXO. Muchos hallazgos obtenidos en los últimos años apuntan cada vez más, hacia un origen autoinmune de esta enfermedad. El uso de corticoides tópicos de alta potencia es todavía la mejor terapéutica, siendo la cirugía un buen tratamiento en casos muy severos, con fimosis importante o aquellos que no responden al uso de corticoides o inhibidores de la calcineurina, como el tacrolimus o pimecrolimus.


Lichen sclerosus et atrophicus (ALE) of the penis, also known as balanitis xerotica obliterans (BXO) is a chronic inflammatory disease of the penis that can occur at any age. The inflammation leads to the formation of hypochromic plaques, most commonly in the foreskin or on the glans. BXO can cause phimosis, pruritus, pain, dysuria, urinary restriction, dyspareunia, and significant sexual dysfunction. We present a case of BXO associated to vitiligo in a 78 years old patient, who consulted for dyspareunia. It was referred to urologist for surgical resolution, where circumcision was performed with biopsy compatible with BXO. In recent years studies have found that it could exists, an autoimmune ethiopathogenic factor of the disease. The topical use of high power corticosteroids is still the first choice and surgery remains a good treatment in severe cases (ex. phimosis) or those who do not respond to steroids.

6.
J Photochem Photobiol B ; 70(1): 45-50, 2003 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-12745246

RESUMO

The antibacterial efficiency of longwave UV-irradiated TiO(2) thin films as well as the ultrastructural damage on bacterial cells was evaluated using Pseudomonas aeruginosa as a model. The quantitative antibacterial efficiency assays showed a bacterial inhibition in the range of 32-72% at different times of irradiation. Transmission electron microscopy (TEM) was used to detect the effect of irradiation of TiO(2) thin films on the ultrastructure of the bacterial cell in order to reveal possible cellular damage. After 40 min irradiation, an abnormal cellular division was observed: instead of a normal septum, an 'elongated bridge' was formed. At a longer irradiation time, wavy structures all around the outer cell membrane were observed, and also some bubble-like protuberances, which expelled inner material. The mechanism of irreversible bacterial cell damage caused by the photocatalytic effect of TiO(2) could be related to abnormal cell division, aside from the reported physicochemical alteration of the cell membrane.


Assuntos
Pseudomonas aeruginosa/efeitos da radiação , Pseudomonas aeruginosa/ultraestrutura , Protetores Solares/farmacologia , Titânio/farmacologia , Raios Ultravioleta , Divisão Celular/efeitos dos fármacos , Divisão Celular/efeitos da radiação , Relação Dose-Resposta a Droga , Microscopia Eletrônica , Modelos Biológicos , Pseudomonas aeruginosa/efeitos dos fármacos
7.
FEMS Microbiol Lett ; 211(2): 183-8, 2002 Jun 04.
Artigo em Inglês | MEDLINE | ID: mdl-12076810

RESUMO

The photoinduced bactericidal capacity of TiO(2) based films was evaluated, using as model organism Pseudomonas aeruginosa. Thin films were obtained by spray pyrolysis; they included undoped, Cu doped, and Al doped TiO(2). Scanning electron microscopy was used to observe the final effect of the irradiated films upon the bacteria. Depending on the composition and characteristics of the films, quantitative experiments show that bacterial inhibition varies between 28 and 96%. The order of magnitude of the average quantum yield of the films was determined between 10(-9) and 10(-11) inhibited bacterial per photon.


Assuntos
Antibacterianos/farmacologia , Fármacos Fotossensibilizantes/farmacologia , Pseudomonas aeruginosa/efeitos dos fármacos , Titânio/farmacologia , Alumínio/química , Biofilmes , Cobre/química , Luz , Microscopia Eletrônica de Varredura/métodos , Pseudomonas aeruginosa/ultraestrutura
8.
Clin Infect Dis ; 29(6): 1489-93, 1999 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-10585801

RESUMO

To delineate clinical and histological features of the first Pneumocystis carinii infection affecting the immunocompetent host, P. carinii-specific histological stains were performed on autopsy lung specimens from 534 consecutive pediatric patients (those with AIDS and malignancies were excluded) in Santiago, Chile. P. carinii clusters were found in 4 (25%) of 16 infants who died of no apparent cause at arrival to the emergency department, and in 10 (2.9%) of 342 infants who died of multiple conditions at the hospital (P=.002, Fisher's exact test). This prompted us to analyze additional series of infants with sudden infant death syndrome (SIDS). In 161 additional SIDS cases, 47 (35.1%) of 134 infants from Chile and 4 (14.8%) of 27 infants from Oxford, United Kingdom, were found to have P. carinii clusters in the lungs. The quantity of P. carinii cysts was small compared with the numbers seen in immunocompromised hosts with P. carinii pneumonitis. This study provides histological evidence that primary P. carinii infection is associated with SIDS.


Assuntos
Infecções por Pneumocystis/epidemiologia , Morte Súbita do Lactente/epidemiologia , Autopsia , Chile/epidemiologia , Histocitoquímica , Humanos , Lactente , Recém-Nascido , Pulmão/microbiologia , Pulmão/patologia , Pneumocystis , Infecções por Pneumocystis/microbiologia , Estudos Retrospectivos , Índice de Gravidade de Doença , Morte Súbita do Lactente/patologia
9.
Rev. méd. Chile ; 126(5): 559-62, mayo 1998. ilus
Artigo em Espanhol | LILACS | ID: lil-216442

RESUMO

Cyclospora cayetanensis is a newly recognized parasite widely distributed throughout the world, and isolated from children, immunocompetent adults and HIV infected individuals. The clinical manifestations of the infection are watery prolonged diarrhea, anorexia, fatigue, nausea, bloating and weight loss. In immunocompetent individuals, diarrhea is usually self limited but may last several weeks. In immunocompromised hosts it is prolonged, severe and can be associated with biliary tract involvement. We report a 50 years old female that, five days after returning from Cuba, presented with low grade fever, anorexia, fatigue, explosive diarrhea and weight loss. Physical examination was normal. A stool specimen contained many organisms with morphological features of Cyclospora caetanensis. The diagnosis was confirmed at the Centers for Disease Control (Atlanta Ga)


Assuntos
Humanos , Feminino , Pessoa de Meia-Idade , Parasitos/isolamento & purificação , Diarreia/parasitologia , Enteropatias Parasitárias/diagnóstico
10.
Rev Chil Pediatr ; 62(2): 128-31, 1991.
Artigo em Espanhol | MEDLINE | ID: mdl-1844165

RESUMO

Acute epiglottitis caused by Haemophilus influenzae type B (Hib) is seldom described in Chile. To reinforce the need to take this severe entity into account in the differential diagnosis of acute upper respiratory tract obstructions, the case of a 9 month old girl is described, who's symptoms were initially attributed to acute laryngitis, but showed not response to racemic epinephrine and betamethasone therapy. The correct diagnosis of acute epiglottitis was suggested five hours after admission by lateral neck's radiographs and confirmed by direct laryngoscopic examination under general anesthesia. Appropriate treatment was soon instituted including tracheal intubation respiratory support and antibiotics. An uneventful clinical course proceeded from then on. Hemophilus influenzae B was isolated from blood cultures.


Assuntos
Epiglotite/diagnóstico , Doença Aguda , Diagnóstico Diferencial , Epiglotite/microbiologia , Epiglotite/terapia , Feminino , Haemophilus influenzae/isolamento & purificação , Haemophilus influenzae/patogenicidade , Humanos , Lactente
11.
Arch. chil. oftalmol ; 46(2): 226-8, dic. 1989. tab, ilus
Artigo em Espanhol | LILACS | ID: lil-111433

RESUMO

Se presenta la creación de un lente de contacto con anillo metálico incorporado que se aplica para ayudar a la localización de radiológica de CEIO. Se ha diseñado dos modelos con curvaturas diferentes a usar según la tensión del globo ocular. En un año y medio de uso en 11 pacientes, ha resultado ser un buen método tanto por su rendimiento como por su facilidad de aplicación e inocuidad


Assuntos
Humanos , Lentes de Contato , Corpos Estranhos no Olho
12.
Arch. chil. oftalmol ; 46(1): 23-30, 1989. tab, ilus
Artigo em Espanhol | LILACS | ID: lil-104925

RESUMO

Noventa y siete casos operados de ptosis palpebral en diez años permiten a los autores hacer un análisis en los aspectos anatómico, clínico y quirúrgico de esta afección. Doce pacientes fueron reoperaciones, siendo uno de ellos operado previamente por el autor principal. Hubo cinco casos con complicaciones, describiéndose el tratamiento respectivo. Se ocupó varias técnicas quirúrgicas, dependiendo del tipo de ptosis; se hace especial mención a la blefaropexia frontal con colgajo de músculo orbicular. Tres serían los aportes de los autores al tema: la descripción de anomalias posturales de la columna vertebral en la ptosis congénita, la ocurrencia más frecuente de ptosis aponeurótica en miopes y, para la ptosis sincinética, la proposición de miotomía del pterigoideo lateral


Assuntos
Blefaroptose/cirurgia , Seguimentos
13.
Arch. chil. oftalmol ; 44(1): 21-6, ene.-jul. 1987. tab, ilus
Artigo em Espanhol | LILACS | ID: lil-66949

RESUMO

Se clasifican las dismorfias y distopias en congénitas (simples y asociadas) y adquiridas. En cada grupo se presentan casos que requirieron reparación quirúrgica de diversa índole según el factor a corregir. Los resultados conseguidos en 35 pacientes son en su mayoría satisfactorios. Se enfatiza en que la reposición de las comisuras en el sitio normal, sólo se obtiene actuando sobre los ligamentos palpebrales que deben fijarse al hueso. Por otra parte, como generalmente estas anomalías están asociadas con otras malformaciones, se necesita realizar técnicas combinadas en una o más etapas


Assuntos
Pré-Escolar , Criança , Adolescente , Adulto , Pessoa de Meia-Idade , Humanos , Masculino , Feminino , Pálpebras/anormalidades , Pálpebras/cirurgia , Cirurgia Plástica
14.
Arch. chil. oftalmol ; 44(1): 31-3, ene.-jul. 1987. ilus
Artigo em Espanhol | LILACS | ID: lil-66951

RESUMO

El abordaje quirúrgico de la órbita por vía coronal permite tener acceso al tercio superior de la cara y, con algunas variaciones, incluso se puede llegar hasta los alvéolos maxilares superiores. La profundidad de la incisión es hasta el plano subperióstico y requiere de una buena hemostasia, por ser el sangramiento profuso su principal inconveniente. pese a ser un incisión muy amplia es muy útil, simple e inocua; ofrece un vasto campo quirúrgico y deja una cicatriz escondida en el cabello, además de poder efectuarla con anestesia local. Si el caso lo requiere, es posible tomar injertos óseos de la tabla externa de la calota evitando así otro campo quirúrgico


Assuntos
Humanos , Órbita/cirurgia , Procedimentos Cirúrgicos Operatórios
15.
Arch. chil. oftalmol ; 43(1): 35-46, ene.-jul. 1986. tab, ilus
Artigo em Espanhol | LILACS | ID: lil-45945

RESUMO

Los autores presentan 45 casos operados por diversas patologías orbitarias aplicando diferentes procedimientos quirúrgicos. Las patologías se clasifican con fines didácticos en tumoral, traumática, endocrina, no precisada y congénita. Se señala en cada grupo un resumen de los casos, su estudio y los procedimientos quirúrgicos realizados. Entre ellos se destacan: biopsia por punción orbitaria, abordajes por diferentes vías (orbitarias e intracraneanas), reconstrucción de paredes orbitarias con injertos de diferentes tipos, combinación de técnicas correctoras de partes blandas. En el estudio de la patología traumática tiene relevancia el uso de medio de contraste hidrosoluble en la radiología, ocupando técnicas de infiltración oftalmológicas. Esta variante sería aporte de los autores para el diagnóstico de fracturas orbitarias por estallido o comunicaciones anómalas de la órbita con cavidades vecinas


Assuntos
Criança , Adolescente , Adulto , Pessoa de Meia-Idade , Humanos , Masculino , Feminino , Órbita/cirurgia , Seguimentos , Métodos
16.
Arch. chil. oftalmol ; 43(2): 249-56, 1986. tab, ilus
Artigo em Espanhol | LILACS | ID: lil-56567

RESUMO

Se presentan 15 casos portadores de quemaduras palpebrales. Se señalan tres técnicas utilizadas que según el caso, van desde una zetaplastía hasta injertos compuestos, pasando por la dermoabracion, injerto de piel, mucosa y cartílago, cantopexias entre otros. Los resultados de esta serie son satisfactorios tanto en el aspecto estético como funcional en controles que van desde los 5 meses hay pacientes que esperan otros tiempos quirúrgicos complementarios


Assuntos
Pré-Escolar , Criança , Adolescente , Adulto , Pessoa de Meia-Idade , Humanos , Masculino , Feminino , Queimaduras/cirurgia , Pálpebras/lesões , Acidentes Domésticos , Cirurgia Plástica
19.
Rev. chil. neuro-psiquiatr ; Rev. chil. neuro-psiquiatr;20(3/4): 145-8, 1982.
Artigo em Espanhol | LILACS | ID: lil-13751

RESUMO

Se analizan 10 pacientes diagnosticados como hipertension intracraneana benigna.Se destacan algunos aspectos inhabituales de la enfermedad. Se comenta el laboratorio y el tratamiento


Assuntos
Recém-Nascido , Lactente , Pré-Escolar , Criança , Adolescente , Adulto , Pessoa de Meia-Idade , Humanos , Corticosteroides , Dieta , Glicerol , Pseudotumor Cerebral
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