Objective: The presence of repetitive behaviors is one of the core criteria for behavioral variant frontotemporal dementia (bvFTD). Patients with bvFTD often have perseverative, stereotyped, or compulsive-ritualistic behavior as an early aspect of their disorder. It is unclear whether such behaviors are related to compulsions, as in obsessive-compulsive disorder (OCD), or are part of the impulse disorder spectrum. Methods: The authors investigated early (within 3 years) repetitive behaviors among 93 well-characterized patients who met International Consensus Criteria for clinically probable bvFTD and compared the results with the literature on OCD. The most common repetitive behaviors among 59 (63.4%) bvFTD patients were stereotypies of speech (35.5%), simple repetitive movements (15.2%–18.6%), hoarding and collecting (16.9%), and excessive or unnecessary trips to the bathroom (13.5%). Results: Only hoarding and collecting was significantly common in both bvFTD and OCD; otherwise, the bvFTD patients had very low frequencies of the common OCD behaviors of checking, cleaning, counting, and ordering. The repetitive behaviors in bvFTD were not associated with verbalized anxiety, obsessional ideation, or reports of relief after completing the act. In contrast, these behaviors were often triggered by environmental stimuli and could be temporarily prevented from completion without undue distress. Finally, among the bvFTD patients, the repetitive behaviors were always associated with impulsive or disinhibited behaviors, such as inappropriate verbal or physical behavior. Conclusions: These findings suggest that the repetitive behaviors in bvFTD are repetitive impulsions, possibly from specific involvement of frontostriatal-anterior temporal pathology.
Introducción: el síndrome de Burnout es una enfermedad mental causada por el estrés laboral, situación ampliamente asociada con los médicos y otros profesionales de salud, asimismo, el abuso de sustancias y la depresión también son problemas psiquiátricos que están relacionados con este ámbito. Objetivo: identificar la frecuencia de estudiantes de medicina del área clínica de la Universidad Nacional de Asunción con sospecha de Síndrome de Burnout y trastorno de abuso de alcohol. Metodología: estudio observacional, descriptivo, de corte transversal en estudiantes de medicina del área clínica de la Universidad Nacional de Asunción de Paraguay. Se utilizaron encuestas con la prueba de identificación de desórdenes de uso del alcohol (AUDIT-C), el inventario de Maslach y el screening de depresión PHQ-2. Resultados: de las 157 encuestas, el 43,9% cumplió con los criterios de Síndrome de Burnout, el 49% cumplió los criterios de abuso/dependencia de alcohol y el 38,9% tuvo criterios de alta probabilidad de trastorno depresivo mayor, de ellos la mayoría presentó ideación suicida en los últimos 12 meses. Conclusión: los resultados fueron parecidos a los hallados en la literatura, sin embargo, ciertos aspectos fueron mayores en este estudio, como el porcentaje que cumple los criterios de Síndrome de Burnout, abuso de sustancias e ideación suicida. El Síndrome de Burnout y la dependencia al alcohol son frecuentes en estudiantes de medicina y se asocian comúnmente a trastornos depresivos.
Background: Semantic dementia (SD) is characterized by progressive semantic anomia extending to a multimodal loss of semantic knowledge. Although often considered an early-onset dementia, SD also occurs in later life, when it may be misdiagnosed as Alzheimer disease (AD). Objective: To evaluate late-onset SD in comparison to early-onset SD and to AD. Methods: We identified 74 individuals with SD and then compared those with late-onset SD (≥65 years of age) to those with early-onset SD (<65) on demographic and clinical features. We also compared a subgroup of 23 of the late-onset SD individuals with an equal number of individuals with clinically probable AD. Results: Twenty-six (35.1%) of the SD individuals were late onset, and 48 (64.9%) were early onset. There were no differences between the two groups on clinical measures, although greater asymmetry of temporal involvement trended to significance in the late-onset SD group. Compared to the 23 AD individuals, the subgroup of 23 late-onset SD individuals had worse performance on confrontational naming, irregular word reading, and face recognition; however, this subgroup displayed better verbal delayed recall and constructions. The late-onset SD individuals also experienced early personality changes at a time when most individuals with AD had not yet developed behavioral changes. Conclusions: Approximately one-third of SD individuals may be late onset, and the differentiation of late-onset SD from AD can lead to better disease management, education, and prognosis. SD may be distinguished by screening for disproportionate changes in reading, face recognition, and personality.
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