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1.
Vertex ; 28(136): 416-423, 2017 Nov.
Artículo en Español | MEDLINE | ID: mdl-29522602

RESUMEN

Although depression is a treatable cause of suffering, disability and death, its identifcation and treatment continue to be a challenge in clinical practice and a severe problem for global public health. The main objective of this study was to investigate the frequency with which mental health professionals use scales to assess depressive patients in Argentina and to determine the reasons that constrain such practice. Between July and September 2012 a national survey was conducted by e-mail. Professionals registered in the database of the Argentine Association of Psychiatrists were invited to participate in the survey. Responses were obtained from 243 professionals. Of the total respondents, only 8.7% said they always used scales to assess depressive patients. The reasons recorded by most respondents why scales were not used were: lack of time and the belief that they do not help in clinical practice. Despite the fact that treatment guidelines for depression recommend the use of scales to optimize the assessment and treatment of depressive disorders, this does not seem to be the usual behavior in clinical practice in our country.


Asunto(s)
Depresión/diagnóstico , Trastorno Depresivo/diagnóstico , Pautas de la Práctica en Medicina , Escalas de Valoración Psiquiátrica , Adulto , Anciano , Argentina , Encuestas de Atención de la Salud , Humanos , Persona de Mediana Edad , Adulto Joven
2.
Psychiatr Clin North Am ; 37(1): 103-12, 2014 Mar.
Artículo en Inglés | MEDLINE | ID: mdl-24529426

RESUMEN

Traumatic brain injury (TBI) may result in significant emotional and behavioral changes, such as depression, impulsivity, anxiety, aggressive behavior, and posttraumatic stress disorder. Apathy has been increasingly recognized as a relevant sequela of TBI, with a negative impact on the patients' quality of life as well as their participation in rehabilitation activities. This article reviews the nosologic and phenomenological aspects of apathy in TBI, diagnostic issues, frequency and prevalence, relevant comorbid conditions, potential mechanisms, and treatment.


Asunto(s)
Apatía/fisiología , Lesiones Encefálicas/complicaciones , Índice de Severidad de la Enfermedad , Actigrafía , Encéfalo/patología , Lesiones Encefálicas/patología , Lesiones Encefálicas/psicología , Depresión/diagnóstico , Diagnóstico Diferencial , Humanos , Entrevista Psicológica , Motivación/fisiología
3.
Psychiatry Res ; 221(1): 30-6, 2014 Jan 30.
Artículo en Inglés | MEDLINE | ID: mdl-24262801

RESUMEN

Personality disorders are common in nonpsychotic siblings of patients with schizophrenia, and some personality traits in this group may be associated with an increased risk for full-blown psychosis. We sought to establish if faulty right-hemisphere activation induced by social cognitive tasks, as previously described in patients with schizophrenia, is associated with specific personality symptoms in their unaffected siblings. We observed that cluster B personality symptoms in this group were inversely related to activation in the right temporo parietal junction (rTPJ, a structure critical in social cognitive processing) in response to a basic emotion processing task and also to social competence, whereas in contrast to our initial hypothesis, cluster A traits were not associated with right hemisphere activation during emotion processing or with social competence. These findings suggest the existence of clinical traits in at-risk individuals which share a common neurobiological substrate with schizophrenia, in regards to social performance.


Asunto(s)
Encéfalo/fisiopatología , Emociones/fisiología , Esquizofrenia/fisiopatología , Conducta Social , Personalidad Tipo B , Adulto , Estudios de Casos y Controles , Predisposición Genética a la Enfermedad , Humanos , Imagen por Resonancia Magnética , Masculino , Pruebas Neuropsicológicas , Trastornos de la Personalidad/complicaciones , Inventario de Personalidad , Estimulación Luminosa , Trastornos Psicóticos/complicaciones , Esquizofrenia/complicaciones , Esquizofrenia/genética , Psicología del Esquizofrénico , Hermanos
4.
Curr Drug Saf ; 5(1): 97-104, 2010 Jan.
Artículo en Inglés | MEDLINE | ID: mdl-20210726

RESUMEN

Psychotropics are among the most common causes of drug induced acquired long QT syndrome. Blockage of Human ether-a-go-go-related gene (HERG) potassium channel by psychoactive drugs appears to be related to this adverse effect. Antipsychotics such as haloperidol, thioridazine, sertindole, pimozide, risperidone, ziprasidone, quetiapine, olanzapine and antidepressants such as amitriptyline, imipramine, doxepin, trazadone, fluoxetine depress the delayed rectifier potassium current (IKr) in a dose dependent manner in experimental models. The frequency of QTc prolongation (more than 456 ms) in psychiatric patients is estimated to be 8%. Age over 65 years, tricyclic antidepressants (TCA), thioridazine, droperidol, olanzapine, and higher antipsychotic doses were predictors of significant QTc prolongation. In large epidemiological controlled studies a dose dependent increased risk of sudden death has been identified in current users of antipsychotics (conventional and atypical) and of TCA. Thioridazine and haloperidol shared a similar relative risk of SCD. Lower doses of risperidone had a higher relative risk than haloperidol for cardiac arrest and ventricular arrhythmia. No increased risk was identified in current users of selective serotonin reuptake inhibitors (SSRI). Cases of TdP have been reported with thioridazine, haloperidol, ziprazidone, olanzapine and TCA. Evidence of QTc prolongation with sertindole is significant and this drug has not been approved by the Food and Drugs Administration (FDA). A large trial is ongoing to evaluate the cardiac risk profile of ziprazidone and olanzapine. Selective serotonin reuptake inhibitors have been associated with QTc prolongation but no cases of TdP have been reported with the use of these agents. There are no reported cases of lithium induced TdP. Risk factors for drug induced LQT syndrome and TdP include: female gender, concomitant cardiovascular disease, substance abuse, drug interactions, bradychardia, electrolyte disorders, anorexia nervosa, and congenital Long QT syndrome. Careful selection of the psychotropic and identification of patient's risk factors for QTc prolongation is applicable in current clinical practice.


Asunto(s)
Síndrome de QT Prolongado/inducido químicamente , Psicotrópicos/efectos adversos , Torsades de Pointes/inducido químicamente , Factores de Edad , Anciano , Muerte Súbita Cardíaca/etiología , Relación Dosis-Respuesta a Droga , Canal de Potasio ERG1 , Canales de Potasio Éter-A-Go-Go/antagonistas & inhibidores , Femenino , Humanos , Masculino , Psicotrópicos/administración & dosificación , Psicotrópicos/farmacología , Factores de Riesgo , Factores Sexuales
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