Trends in Psychiatry and Psychotherapy
https://trends.org.br/article/doi/10.1590/2237-6089-2017-0061
Trends in Psychiatry and Psychotherapy
Original Article

Clinical and familial profile of bipolar disorder with and without obsessive-compulsive disorder: an Indian study

Perfil clínico e familiar do transtorno bipolar com e sem transtorno obsessivo-compulsivo: estudo indiano

Firoz Kazhungil; Ajitha Cholakottil; Shihab Kattukulathil; Abdurazak Kottelassal; Rajeesh Vazhakalayil

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Abstract

Abstract Introduction Comorbid obsessive-compulsive disorder (OCD) is common in bipolar disorder (BD). Clinical characteristics, functionality and familial pattern of this comorbidity are largely understudied. Objective To assess clinical profile, familial loading of psychiatric disorders and level of functioning in remitted BD patients who have comorbid OCD and to compare results with those of remitted BD patients without OCD. Methods Remitted BD-I subjects were assessed using the Structured Clinical Interview for DSM-IV Axis I Disorders, Global Assessment of Functioning Scale (GAF), Hamilton Depression Rating Scale (HDRS), Young Mania Rating Scale (YMRS), Yale-Brown Obsessive-Compulsive Scale (Y-BOCS) and Family Interview for Genetic Studies (FIGS). BD patients with and without OCD were compared. Group differences were analyzed using the chi-square test and the independent samples t test. Values <0.05 were considered statistically significant. Results Of the 90 remitted BD-I patients, 35.5% (n=32) had obsessive-compulsive symptoms/OCD. The BD-OCD group showed significantly lower GAF scores, higher rates of suicidal attempts, hospitalizations, manic and depressive episodes compared to the group with BD only (p<0.05). In addition, first and second-degree relatives had higher rates of BD-OCD and OCD, but not of BD. Conclusions BD-OCD is characterized by more severe BD, more dysfunction and higher familial loading of BD-OCD and OCD. Larger studies involving relatives of probands will help to confirm our findings and to delineate nosological status of BD-OCD comorbidity.

Keywords

Bipolar disorder, comorbidity, familial loading, obsessive-compulsive disorder

Resumo

Resumo Introdução Transtorno obsessivo-compulsivo (TOC) comórbido é comum no transtorno bipolar (TB). Características clínicas, funcionalidade e história familiar dessa comorbidade são pouco estudadas. Objetivo Avaliar o perfil clínico, a carga familiar de transtornos psiquiátricos e o nível de funcionalidade em pacientes com TB em remissão que apresentam TOC comórbido e comparar os resultados com aqueles obtidos em pacientes com TB em remissão sem TOC. Métodos Indivíduos com TB-I em remissão foram avaliados usando a Entrevista Clínica Estruturada para o DSM-IV- Transtornos do Eixo I, Escala de Avaliação Global do Funcionamento, Escala de Depressão de Hamilton, Escala de Mania de Young, Escala Obsessivo-Compulsiva de Yale-Brown e Entrevista Familiar para Estudos Genéticos. Pacientes com TB com e sem TOC foram comparados. Diferenças entre os grupos foram analisadas usando o teste do qui-quadrado e o teste t para amostras independentes. Valores <0,05 foram considerados estatisticamente significativos. Resultados Dos 90 pacientes com TB-I em remissão, 35,5% (n=32) tinham sintomas obsessivo-compulsivos/TOC. O grupo com TB-TOC mostrou escores significativamente mais baixos na Escala de Avaliação Global do Funcionamento, maiores taxas de tentativas de suicídio, hospitalizações, episódios maníacos e depressivos quando comparado ao grupo com apenas TB (p<0,05). Além disso, familiares de primeiro e segundo grau mostraram maiores níveis de TB-TOC e TOC, mas não de TB. Conclusões TB-TOC se caracteriza por TB de maior gravidade, mais disfunção e maior carga familiar de TB-TOC e TOC. Estudos maiores envolvendo familiares de probandos ajudarão a confirmar nossos achados e a delinear o status nosológico de TB-TOC comórbidos.

Palavras-chave

Transtorno bipolar, comorbidade, carga familiar, transtorno obsessivo-compulsivo

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