Validation of the Spanish version of the Borderline Personality Disorder Checklist (BPD Checklist) in a sample of BPD patients: Study of psychometric properties

Background and objectives: Borderline Personality Disorder (BPD) is one of the most complex personality disorders (PD). The Borderline Personality Disorder Checklist (BPD Checklist) is an instrument specifically designed to assess the burden of BPD symptoms according to DSM-IV/5 criteria in the past month. Methods: Our goal was to adapt and validate the BPD Checklist in Spanish and to study its psychometric properties, i.e. reliability and validity. We administered it in a sample of BPD patients (n = 342) and in a sample of patients with other PD diagnoses (n = 190). Results: The results obtained indicated that the psychometric properties of the Spanish version of the BPD Checklist are similar to those of the original version of the instrument. The internal consistency indices were generally good to excellent. The total score and the subscales of the BPD Checklist discriminated between diagnostic samples. As expected, the subscales were associated with the scores on the SCID-II and self-rating measures. Conclusions: Our results are consistent with the original version of BPD Checklist. In general, it is an adequate instrument for clinical screening and to assess the subjective burden of BPD experienced by the patient in the past month

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Genotipado a gran escala en la investigación del trastorno del espectro autista y el trastorno por déficit de atención con hiperactividad / Large-scale genotyping in research into autism spectrum disorders and attention déficit hyperactivity disorder

Introducción y desarrollo. El trastorno del espectro autista (TEA) y el trastorno por déficit de atención con hiperactividad (TDAH) son dos trastornos neuropsiquiátricos de inicio en la infancia que presentan un elevado grado de agregación familiar. El TEA se caracteriza por alteraciones de la interacción social y problemas de la comunicación, mientras que los pacientes con TDAH presentan inatención persistente y/o comportamiento hiperactivoimpulsivo. A excepción de unos pocos casos de autismo en los que se han descrito anomalías citogenéticas o mutaciones en genes concretos, la etiología de estas enfermedades es desconocida. Se trata de enfermedades multifactoriales, con varios genes con un efecto menor y la contribución del ambiente. Los estudios de ligamiento genético han señalado unas 20 regiones cromosómicas sugestivas de contener genes que confieren susceptibilidad al autismo, al TDAH o a ambos trastornos. Los retos de investigación se centran en la caracterización clínica, el reclutamiento de pacientes con TEA y TDAH, estudios de cuantificación de dosis génica, metilación e hibridación genómica comparada para identificar reordenamientos cromosómicos en pacientes con autismo y retraso mental grave. Conclusión. El genotipado de amplias colecciones del tipo SNP potencialmente funcionales en genes candidatos para estos trastornos, en base a datos farmacológicos, bioquímicos, neuropatológicos, de modelos animales y de estudios de ligamiento, en una amplia colección de muestras de pacientes y controles permitirán identificar los componentes genéticos de estas patologías y definir sus bases biológicas (AU)

Introduction and development. Autism spectrum disorder (ASD) and attention deficit hyperactivity disorder (ADHD) are two neuropsychiatric disorders beginning in childhood that present a high degree of familial aggregation. ASD is characterised by social interaction and communication disorders, whereas patients with ADHD display persistent inattention and/or hyperactive-impulsive behaviour. With the exception of a few cases of autism in which cytogenetic anomalies or mutations have been reported in specific genes, the aetiology of these diseases remains unknown. This is a group of multifactorial diseases with several genes having a lesser effect and there is also an environmental component. Genetic linkage studies have pointed to about 20 chromosomal regions that could well contain genes that grant susceptibility to autism, to ADHD or to both disorders. The challenge to researchers lies in the clinical characterisation, recruitment of patients with ASD and ADHD, gene dosage quantification studies, comparative genomic methylation and hybridisation in order to identify chromosomal rearrangements in patients with autism and severe mental retardation. Conclusions. Genotyping large SNP-type collections that are potentially functional in genes that are candidates for these disorders, based on pharmacological, biochemical and neuropathological data together with that coming from animal models and linkage studies in a wide collection of samples from patients and controls, will enable us to identify the genetic components of these pathologies and to define their biological foundations (AU)