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The pathological consumption of alcohol and other drugs is associated with calcium metabolism disfunction through different pathways. Hypovitaminosis D contributes to acute a chronic neuronal injury in alcohol dependent patients. We do not have national evidence regarding the presence of hypovitaminosis D in addicted patients and there is a lack of information in the literature regarding polysubstance users. In this retrospective study, we evaluate the presence of hypovitaminosis of D in Substance Use Disorder inpatients treated in the Psychiatric Clinic of the University during the months of August to November 2017 and we described their main characteristics. 24 patients were evaluated, 19 of whom presented levels lower than 30 ng/ml of Vitamin D. Of those patients with hypovitaminosis 79% were men and 90% of them consumed alcohol, although in only 26% alcohol was the main substance. The main substance reported by the patients was cocaine (37%), smokable cocaine (32%) and marijuana (5%). Despite the methodological limitations of the study and the high prevalence of Hypovitaminosis D reported in the Chilean population, the results of this study suggest the need for a systematic evaluation of Vitamin D levels in patients hospitalized for addictions to adequately supplement those who require it. (AU)

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A torção esplênica isolada ou primária é uma enfermidade de ocorrência rara em cães, caracterizada pela torção do pedículo esplênico, sem que haja outra enfermidade concomitante. Os sinais clínicos e os exames laboratoriais são inespecíficos, porém a ultrassonografia, juntamente com o uso de Doppler colorido, tem sido importante para sugerir o diagnóstico, que é confirmado por meio de laparotomia exploratória. Este estudo relata o caso de um cão da raça Bulldog campeiro, cinco anos de idade, muito ativo, que recebia alimentação apenas uma vez ao dia. Este foi atendido no Hospital Veterinário da Universidade Luterana do Brasil (HV-Ulbra), com histórico de prostração, emagrecimento e anorexia intermitente havia 10 dias. Neste caso relatado, o exame ultrassonográfico com Doppler colorido foi imprescindível para o diagnóstico, que pôde ser confirmado posteriormente pela laparotomia exploratória. Na celiotomia, observou-se o baço aumentado e rotacionado, envolto com o omento, e ambos encontravam-se desvitalizados. Por essa razão, foram realizados os procedimentos de esplenectomia total e omentectomia parcial da porção acometida.(AU)

The individual or primary splenic torsion is a rare disease occurrence in dogs characterized by twisting the splenic pedicle, without any other concomitant disease. Clinical signs and laboratory tests are nonspecific, however, ultrasonography, along with the use of color Doppler, has been important to suggest the diagnosis is confirmed through exploratory laparotomy. This study reports the case of a 5-year-old very active male Bulldog Campeiro, who received food once a day, which was attended at the Veterinary Hospital of Universidade Luterana do Brasil (HV ULBRA) with a history of prostration, weight loss and intermittent anorexia during 10 days. Ultrasonography with color Doppler exam was essential for the diagnosis, which could be confirmed later by exploratory laparotomy. In celiotomy it was observed the spleen increased in size and rotated, wrapped with omentum and both were found devitalized. For this reason, the procedures of total splenectomy and partial omentectomy of the affected portion were performed.(AU)

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A torção esplênica isolada ou primária é uma enfermidade de ocorrência rara em cães, caracterizada pela torção do pedículo esplênico, sem que haja outra enfermidade concomitante. Os sinais clínicos e os exames laboratoriais são inespecíficos, porém a ultrassonografia, juntamente com o uso de Doppler colorido, tem sido importante para sugerir o diagnóstico, que é confirmado por meio de laparotomia exploratória. Este estudo relata o caso de um cão da raça Bulldog campeiro, cinco anos de idade, muito ativo, que recebia alimentação apenas uma vez ao dia. Este foi atendido no Hospital Veterinário da Universidade Luterana do Brasil (HV-Ulbra), com histórico de prostração, emagrecimento e anorexia intermitente havia 10 dias. Neste caso relatado, o exame ultrassonográfico com Doppler colorido foi imprescindível para o diagnóstico, que pôde ser confirmado posteriormente pela laparotomia exploratória. Na celiotomia, observou-se o baço aumentado e rotacionado, envolto com o omento, e ambos encontravam-se desvitalizados. Por essa razão, foram realizados os procedimentos de esplenectomia total e omentectomia parcial da porção acometida.(AU)

The individual or primary splenic torsion is a rare disease occurrence in dogs characterized by twisting the splenic pedicle, without any other concomitant disease. Clinical signs and laboratory tests are nonspecific, however, ultrasonography, along with the use of color Doppler, has been important to suggest the diagnosis is confirmed through exploratory laparotomy. This study reports the case of a 5-year-old very active male Bulldog Campeiro, who received food once a day, which was attended at the Veterinary Hospital of Universidade Luterana do Brasil (HV ULBRA) with a history of prostration, weight loss and intermittent anorexia during 10 days. Ultrasonography with color Doppler exam was essential for the diagnosis, which could be confirmed later by exploratory laparotomy. In celiotomy it was observed the spleen increased in size and rotated, wrapped with omentum and both were found devitalized. For this reason, the procedures of total splenectomy and partial omentectomy of the affected portion were performed.(AU)

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The aim of this study was to isolate Toxoplasma gondii and determine the viability of the parasite in fresh semen samples of clinically healthy adult dogs naturally infected. Eleven seropositive dogs with T. gondii IgG antibodies from southern Brazil were selected to confirm the presence and viability of T. gondii in fresh semen samples using in vitro isolation in Vero cell culture, polymerase chain reaction (PCR) and sequencing analysis. The presence of viable T. gondii was confirmed by in vitro isolation and PCR in five semen samples. The ITS1 region of the isolated protozoa (TG S4) was amplified and sequenced. The nucleotide sequence obtained was 99% compatible with the T. gondii DNA sequences stored in the GenBank. It has been shown that T. gondii tachyzoites may be isolated in vitro from fresh semen samples of clinically healthy dogs seropositive for T. gondii.

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Sera from 112 mares from 5 horse-breeding farms was examined for the presence of antibodies to Neospora caninum and Toxoplasma gondii by an indirect fluorescent antibody test (IFAT), as well as from dogs and cattle present on these properties for the presence of antibodies to N. caninum. Among the 112 mares, 35 had a history of reproductive problems in the last breeding season and 77 had no reproductive problems. The rates of seroprevalence of N. caninum in mares with and without a history of reproductive problems were 25.71% and 6.49% and from T. gondii 2.85% and 1.29%, respectively. In dogs and cattle, the rates of seroprevalence of N. caninum were 10.52% and 15.55%, respectively. A positive correlation was found between the presence of antibodies against N. caninum (p=0.010) in mares and the occurrence of reproductive problems using the Fisher's exact test. Significantly higher seroprevalence for N. caninum in mares was observed on the farm that had seropositive dogs (p=0.018). Cattle on this farm were also seropositive. No significant differences in seropositivity were found on farms where dogs were seronegative, or absent. This result suggests, for the first time, the presence of seropositive dogs as a risk factor for N. caninum in mares and the necessity for further investigation of the epidemiology of this parasite in horse-breeding farms with reproductive problems and the presence of cattle and dogs. This is the first report on the occurrence of antibodies against N. caninum in horses from the state of Santa Catarina, Brazil.

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En los últimos 20, años el problema de la adicción a nuevas tecnologías ha suscitado controversias y ha generado un importante debate internacional. El DSM-5 incorpora en la sección de "Condiciones para un mayor estudio", el Trastorno de Juego por Internet. El ojetivo de este trabajo es revisar la literatura científica actual sobre el Trastorno de Juego por Internet y explorar si la evidencia disponible permite respaldar este diagnóstico como una nueva entidad nosológica. Se realiza una revisión del contexto en que surge esta propuesta, los criterios diagnósticos, las controversias y se discute la relevancia de la validez y confiabilidad de los diagnósticos en psiquiatría.

In the last 20 years, the problem of addiction to new technologies has generated controversy and an important international debate. The DSM-5 incorporates in section of "Conditions for a further study", the Internet Gaming Disorder. The aim of this article is review the current scientific literature about Internet Gaming Disorder, and to explore if the available evidence let it support this diagnosis as a new nosological entity. A brief review of the context in which this proposal emerges, the diagnostic criteria, and the controversies was performed; also, it was discussed the relevance of the validity and reliability of the diagnoses in psychiatry

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En el presente trabajo se revisa la evolución que ha tenido el término psicopatía y sus diferentes conceptualizaciones a lo largo de distintas etapas en la historia de la psiquiatría contemporánea. Se inicia con las primeras descripciones clínicas formuladas por los alienistas, para seguir con los aportes de la psiquiatría clásica de principios del siglo XIX. Se incluyen también los aportes efectuados por la tradición psicoanalítica y sus intentos por ahondar en la comprensión más profunda del funcionamiento intrapsíquico del trastorno. Como contraste, aparecen las descripciones más actuales contenidas en los manuales DSM y CIE, que en un intento por definir criterios diagnósticos más objetivables, parecen haber caído en una suerte de "criminalización" del trastorno.

In this paper, the evolution of the term psychopathy and its different conceptualizations throughout different stages in the history of contemporary psychiatry is reviewed. It begins with the first clinical descriptions made by the alienists, to continue with the contributions of classical psychiatry of the early nineteenth century. The contributions made by the psychoanalytic tradition and its attempts to deepen the deeper understanding of the intrapsychic functioning of the disorder are also reviewed. In contrast, we also reviewed the most current descriptions contained in the DSM and ICD manuals, which in an attempt to define more objective diagnostic criteria appear to have fallen into a kind of criminalization of the disorder

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La información que se publica en las revistas médicas influye, en gran medida, en la toma de decisiones de los profesionales de la salud. La evaluación de la calidad de los estudios que se publican ha sido la preocupación de numerosos investigadores que diseñaron diversas herramientas para su valoración. En los estudios controlados y aleatorizados debemos tener en cuenta la forma en que se realizó la randomización (enmascaramiento), los ciegos, el principio de intención del tratamiento y el segumiento de los pacientes. Estos criterios se usan para disminuir los sesgos que pueden aparecer, incluso en los estudios controlados aleatorizados.

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La información que se publica en las revistas médicas influye, en gran medida, en la toma de decisiones de los profesionales de la salud. La evaluación de la calidad de los estudios que se publican ha sido la preocupación de numerosos investigadores que diseñaron diversas herramientas para su valoración. En los estudios controlados y aleatorizados debemos tener en cuenta la forma en que se realizó la randomización (enmascaramiento), los ciegos, el principio de intención del tratamiento y el segumiento de los pacientes. Estos criterios se usan para disminuir los sesgos que pueden aparecer, incluso en los estudios controlados aleatorizados. (AU)

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La información que se publica en las revistas médicas influye, en gran medida, en la toma de decisiones de los profesionales de la salud. La evaluación de la calidad de los estudios que se publican ha sido la preocupación de numerosos investigadores que diseñaron diversas herramientas para su valoración. En los estudios controlados y aleatorizados debemos tener en cuenta la forma en que se realizó la randomización (enmascaramiento), los ciegos, el principio de intención del tratamiento y el segumiento de los pacientes. Estos criterios se usan para disminuir los sesgos que pueden aparecer, incluso en los estudios controlados aleatorizados. (AU)

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Bartter's syndrome involves an overlapping set of closely related renal tubular disorders that can be subdivided into at least three clinical phenotypes: (1) the hypercalciuric antenatal Bartter variant; (2) the classic Bartter variant; and (3) the hypocalciuric-hypomagnesemic Gitelman variant. Recent data demonstrate that in several phenotypically indistinguishable cohorts, antenatal Bartter's syndrome is genetically heterogeneous. In these patients, mutations in the genes encoding either the bumetanide-sensitive Na-K-2Cl cotransporter (NKCC2) or the ATP-regulated potassium channel ROMK (KCNJI) have been identified. A cohort of 20 Costa Rican patients with a congenital syndrome that bears strong similarities to antenatal Bartter's syndrome but also has several distinct features has recently been described. In this cohort, we have identified a predominant mutation that introduces a premature stop in codon W625 of the NKCC2 gene (SCL12A1). This mutant allele is contained on a single common haplotype, suggesting that the majority of antenatal Bartter's syndrome patients in Costa Rica share a single common ancestor.

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