Personality disorder and substance related disorders: a six-month follow-up study with a Brazilian sample

Abstract

Objectives: A few Brazilian researches correlate personality disorders (PD) and substance related disorders (SRD). The aim of the present study is to investigate the association between them, to evaluate the PD frequency among chemical dependents inpatients, this comorbidity association with social and demographic characteristics, used drug of choice, its impact on clinical evolution until the moment of their committal, the frequency of relapse, self-help group -and psychotherapic adherence among SRD patients six months following committal. Methods: A 101 inpatients sample of chemical dependents was enrolled in 2 hospitals. The following instruments were applied: a questionnaire for social and demographic characteristics identification and drug use pattern, some questions from the sixth version of the Addiction Severity Index (ASI-6), the SCID-II questionnaire and specific questions concerning psychotherapic and self-help groups participation, and medication use. Results: From these 101 patients, 55.4% were diagnosed with PD, being avoidant (14.9%), borderline (11.9%) and antisocial (8.9%) the more frequent ones found. PD patients had an earlier crack use in life (p = 0.038) and had also more previous treatments than the ones without PD (p = 0.005). Borderline PD patients were less worried to substance use problem (p = 0.003). After 6-months follow-up, no statistical significance was found between patients with and without PD regarding drug use or treatment adherence. Conclusion: A high PD diagnosis was found in drug use inpatients. Patients diagnosed with SRD and PD need the identification of this comorbidity and of their personality characteristics in order to plan a more comprehensive and effective treatment. RESUMOObjetivos: Poucos estudos brasileiros correlacionam transtornos de personalidade (TP) com transtorno por uso de substâncias (TUS). O objetivo deste estudo é verificar a associação entre eles, avaliar a frequência dos TP na população de dependentes químicos internados, correlacionar com características sociodemográficas, drogas de escolha, frequência de recaída, aderência a grupos de autoajuda e psicoterapia em até seis meses após a alta hospitalar. Métodos: Uma amostra de 101 pacientes internados em dois hospitais foi selecionada. Os seguintes instrumentos foram aplicados: um questionário para identificação de características sociodemográficas e padrão de uso de drogas, algumas questões da sexta versão do ORIGINAL ARTICLE J Bras Psiquiatr. 2016;65(2):127-34. Krieger DM et al. Palavras-chave Transtorno por uso de drogas, transtorno de personalidade, comodidade, patologia dual. ORIGINAL ARTICLE J Bras Psiquiatr. 2016;65(2):127-34. Personality disorders and substance related disorders J Bras Psiquiatr. 2016;65(2):127-34. Krieger DM et al. ORIGINAL ARTICLE J Bras Psiquiatr. 2016;65(2):127-34. Personality disorders and substance related disorders * * 132 ORIGINAL ARTICLE J Bras Psiquiatr. 2016;65(2):127-34. Krieger DM et al.

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“…In addition to personality traits, studies show a relation between the history of substance use and the presence of risk and impulsive behaviors, a crucial role in many psychopathological conditions, such as mood disorders, personality disorders, and developmental disorders (Jakubczyk & Wojnar, 2018;Landa et al, 2005). Krieger et al (2016), for example, identified that 55% of patients admitted for treatment due to substance use disorder were also diagnosed with personality disorder. Additionally, personality disorders and addictions are associated with an increased risk of committing crimes (Flórez et al, 2019).…”