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PubMed2003

Functional impairment in children and adolescents with obsessive-compulsive disorder.

Although obsessive-compulsive disorder (OCD) is a chronic and oftentimes debilitating disorder, the specific impact of this illness on the psychosocial functioning of affected youngsters has not been systematically described. A total of 151 clinic-referred youngsters (mean age 11.8 years, 57% male, 83% Caucasian) with primary Diagnostic and Statistical Manual of Mental Disorders (fourth edition) OCD and a primary caretaker completed a checklist designed to assess the impact of OCD on school, social, and family functioning. The two most common OCD-related problems were concentrating on schoolwork and doing homework. Consistent with the heterogeneous nature of OCD, subjects exhibited a broad range of specific impairments. However, almost 90% of youngsters reported at least one significant OCD-related dysfunction, and close to half reported significant OCD-related problems at school, home, and socially. Parents were more likely to report significant impairments in home and school functioning than children. However, few systematic gender or age effects were noted. Impairment ratings were significantly correlated with clinician-generated measures of OCD severity. These results provide the most specific description to date of the adverse impact of OCD on child psychosocial functioning. Given the adverse developmental consequences of psychosocial dysfunction, treatment studies need to carefully track and address OCD-specific functional impairments in affected youngsters.

Adolescent↗
PubMed1998

Is juvenile obsessive-compulsive disorder a developmental subtype of the disorder? A review of the pediatric literature.

OBJECTIVE: To examine the clinical correlates of obsessive-compulsive disorder (OCD) in children and adolescents. METHOD: A systematic review of the extant literature on juvenile OCD was conducted examining age at onset, gender distribution, symptom phenomenology, psychiatric comorbidity, neurological and perinatal history, family psychiatric history, cognitive and neuropsychological profiles, and treatment and outcome in juvenile OCD subjects. RESULTS: Juvenile OCD was associated with a unique peak of age at onset indicating a bimodal incidence of the disorder, male preponderance, a distinct pattern of comorbidity with attention-deficit/hyperactivity disorder and other developmental disorders as well as frequent associated neuropsychological deficits, an increased familial loading for OCD, and frequent absence of insight. CONCLUSION: These findings show that juvenile OCD is associated with a unique set of correlates that appear to differ from findings reported in studies of adult OCD subjects. Although in need of confirmation, these findings suggest that juvenile OCD may be a developmental subtype of the disorder. Since juvenile OCD is likely to continue into adulthood, these findings stress the importance of considering age at onset in clinical and research studies of adults with OCD.

Adolescent↗
PubMed2001

Prospective, longitudinal study of tic, obsessive-compulsive, and attention-deficit/hyperactivity disorders in an epidemiological sample.

OBJECTIVE: Understanding the interrelatedness of tics, obsessive-compulsive disorder (OCD), and attention-deficit/hyperactivity disorder (ADHD) has been complicated by studying only cross-sectional samples of clinically referred subjects. The authors report the cross-sectional and longitudinal associations of these disorders in an epidemiological sample of children followed prospectively into early adulthood. METHOD: Structured diagnostic interview information was acquired on 976 children, aged 1 to 10 years, who were randomly selected from families living in upstate New York in 1975. Reassessments were acquired in 776 of these subjects 8, 10, and 15 years later. Diagnostic prevalences were estimated at each time point. The associations among tics, OCD, and ADHD were assessed within and across time points, as were their associations with comorbid illnesses and demographic risk factors. RESULTS: In temporal cross-section, tics and ADHD symptoms were associated with OCD symptoms in late adolescence and early adulthood after demographic features and comorbid psychiatric symptoms were controlled. In prospective analyses, tics in childhood and early adolescence predicted an increase in OCD symptoms in late adolescence and early adulthood. ADHD symptoms in adolescence predicted more OCD symptoms in early adulthood, and OCD in adolescence predicted more ADHD symptoms in adulthood. The associations of tics with ADHD were unimpressive in temporal cross-section and were not significant in prospective analyses. Tics, OCD, and ADHD shared numerous complex associations with demographic and psychopathological risk factors. ADHD was associated with lower IQ and lower social status, whereas OCD was associated with higher IQ. CONCLUSIONS: Tics and OCD were significantly associated in this sample, as were OCD and ADHD. These findings are in general consistent with those from family studies, and they help to define the natural history, comorbid illnesses, and interrelatedness of these conditions.

Age Distribution↗
PubMed2000

Parental obsessive-compulsive disorder as a prognostic factor in a year long fluvoxamine treatment in childhood and adolescent obsessive-compulsive disorder.

Interest in the treatment of pediatric obsessive-compulsive disorder (OCD) has increased as our knowledge of adult OCD has expanded. Although adults are still the majority of patients, children and adolescents with OCD are being identified and treated more frequently. As this population is better identified, prognostic factors need to be addressed to improve treatment outcome. The purpose of this study was to determine the role of family psychiatric pathology in fluvoxamine treatment outcome. Eleven children and adolescents with OCD and one of their parents participated in the study. Four parents were diagnosed with OCD, six had an Axis I diagnosis other than OCD, and one had no mental disorder [Structured Clinical Interview for the DSM-Non-Patient edition (SCID-NP)]. Each patient received fluvoxamine for 58 weeks. Dependent measures included the Children Yale-Brown Obsessive Compulsive Scale (CY-BOCS), the NIMH-Global Obsessive Compulsive Scale (NIMH-GOCS) and the Clinical Global Impression (CGI). Based on CY-BOCS, CGI and NIMH-GOCS scores, patients with parents who have OCD showed a clinically and statistically significant reduction in symptoms from pre- to post-treatment. Patients whose parents did not have OCD also improved. However, the improvement was statistically but not clinically significant. The presence of OCD in one parent seems to modify a child's response to medication. The results suggest that family psychopathology, specifically presence of OCD, may contribute to treatment efficacy. Further research is suggested in this area.

Adolescent↗
PubMed2000

Obsessive-compulsive disorder: an overview.

In this article, which is the first in a three-part series, the authors provide an overview of the current state of our knowledge of the phenomenology, etiology, and diagnosis of OCD. The DSM-IV criteria for OCD are presented and explicated. Disorders that are commonly comorbid with OCD (e.g., major depressive disorder, other anxiety dis-orders, Tourette's disorder) are described. The authors also discuss disorders such as body dysmorphic disorder that may be related to OCD and are often termed OCD spectrum disorders. OCD is likely to have multiple causes and the authors discuss behavioral, neuroanatomical, and neurochemical theories of OCD. Two treatments have demonstrated efficacy in OCD, cognitive-behavioral therapy and pharmacotherapy with serotonergic reuptake inhibitors, and the authors discuss how these treatments may work in light of what is known about the etiology of the disorder. The different subtypes of OCD that have been proposed are described along with their implications for treatment. The article concludes with a discussion of diagnosis that provides specific guidance for the clinician on how to assess a patient for possible OCD. The next two articles in this series will cover cognitive-behavioral and medication treatment in detail.

Journal Article↗
PubMed2006

Medical and psychosocial outcome of patients with occupational contact dermatitis in Israel.

BACKGROUND: Although the medical, financial and prognostic factors of occupational contact dermatitis (OCD) have been addressed, studies on the social outcome of OCD are sparse. OBJECTIVE: To define the medical and psychosocial outcome of patients with OCD. METHODS: Workers with OCD were interviewed by telephone using a questionnaire that included questions about the occupation, dermatological disease, sick leave, present working status and disability claims, and questions related to the subjective perceptions of OCD in all areas of psychosocial functioning and quality of life. RESULTS: Seventy workers (64.3% males and 35.7% females) were interviewed. Forty per cent had stopped working and one-third had taken sick leave because of OCD. Forty-seven (67.1%) were currently working while 23 (32.8%) were unemployed. Disability compensation was claimed by only 41.4% and was received by 24.3%. Eight workers (11.4%) had persistent postoccupational dermatitis (PPOD). Loss of employment affected the occupational area of the workers' lives (100%), and also interpersonal relationships (45.7%), relationships within the family (18.6%), daily functioning (45.7%) and mental health (24.3%). CONCLUSIONS: Considerable working time is lost because of unemployment or sick leave due to OCD. Only a small proportion of eligible patients with OCD apply for disability compensation and an even smaller proportion receive it. Our study demonstrates the significance of OCD to the psychosocial aspects of workers' lives and emphasizes that the assessment of OCD outcome should relate not only to the medical but also to the psychosocial aspect of the disease.

Adult↗
PubMed2006

Alexithymia in obsessive-compulsive disorder - results from a family study.

BACKGROUND: Previous studies have suggested an association between alexithymia and obsessive-compulsive disorder (OCD). However, it is unclear to which extent alexithymic traits in OCD patients reflect familial deficits in cognitively processing and communicating feelings that are also present in their first-degree relatives. This study investigates the hypotheses of an elevated level of alexithymia in subjects with OCD and their first-degree relatives compared to controls and their first-degree relatives. METHODS: 82 cases with OCD and 169 first-degree relatives were compared to 76 controls and 144 first-degree relatives from a German family study on OCD (GENOS). All subjects completed the 20-item Toronto Alexithymia Scale (TAS-20). Direct or family informant interviews were carried out with the German version of the Schedule for Affective Disorders and Schizophrenia - lifetime version for anxiety disorders (DSM-IV). RESULTS: OCD was associated with significantly higher scores of alexithymia. However, first-degree relatives of OCD cases and of controls did not differ in TAS-20 scores. In linear regression analyses, the TAS-20 total score showed significant intrafamilial associations within the families of control subjects but not within families of OCD cases. CONCLUSION: OCD is a severe mental disorder that is associated independently from other current comorbid axis I disorders with deficits in identifying and expressing feelings. However, alexithymia does not represent a familial risk factor for OCD.

Adult↗
PubMed2001

A family study of juvenile obsessive-compulsive disorder.

OBJECTIVES: To determine whether juvenile obsessive-compulsive disorder (OCD) is familial and whether the rate of Tourette syndrome (TS) and tic disorders is higher among relatives of patients with OCD than among relatives of controls subjects. METHOD: We assessed first-degree relatives of 35 juvenile OCD probands (aged 16 years or less) and 34 matched, psychiatrically unaffected control subjects, using the Diagnostic Interview for Children and Adolescents-Revised (DICA-R) (unpublished), a Questionnaire for tic disorders, the Children's Version of Leyton's Obsessional Inventory (CV-LOI), and the Children's Version of the Yale-Brown Obsessive Compulsive Scale (CY-BOCS). Similarly, we assessed adult relatives, using the Schedule for Clinical Assessment in Neuropsychiatry (SCAN), Leyton's Obsessional Inventory (LOI), the Yale-Brown Obsessive Compulsive Scale (Y-BOCS), and a Questionnaire for tic disorders. The diagnoses were determined by consensus, using DSM-III-R criteria. We calculated age-corrected morbid risk, using Weinberg's method. RESULTS: The morbid risk for OCD among the relatives of OCD probands was 4.96%, while none of the relatives of unaffected control subjects had OCD. We did not diagnose TS in any of the relatives of either OCD probands or control subjects. We diagnosed chronic motor tic disorders in only 1 of the relatives of OCD probands, while none of the relatives of control subjects had any tic disorder. CONCLUSION: Most juvenile cases of OCD are nonfamilial and unrelated to tic disorders, while only a few are familial. There is a need to re-examine the issue of familiality in cases of OCD, as well as its relation to TS, using larger community samples to better understand the hypotheses of familial transmission and comorbidity with tic disorders.

Adolescent↗
PubMed1998

A pilot study of computer-aided vicarious exposure for obsessive-compulsive disorder.

OBJECTIVE: This study reports the use of an interactive computer program to instruct vicarious exposure and ritual prevention for obsessive-compulsive disorder (OCD). METHOD: Thirteen OCD volunteers and 10 non-OCD volunteers completed three 45-minute sessions at weekly intervals. Subjects with OCD completed the Yale-Brown Obsessive-Compulsive Scale (Y-BOCS), the Padua Inventory (PI) and the Beck Depression Inventory (BDI) 1 week prior to and 1 week after the three computer treatment sessions. Non-OCD subjects only completed these measures at baseline, allowing confirmation that they had no significant level of OCD symptomatology. RESULTS: In the OCD subjects, scores fell significantly on the PI and BDI, and Y-BOCS scores fell non-significantly. Engagement in vicarious exposure with ritual prevention improved from sessions 1-3. Compared to the non-OCD participants, OCD subjects did less vicarious exposure in session 1 but not sessions 2 and 3. Performance of vicarious exposure by OCD subjects in session 1 correlated with pre-post improvement in PI and BDI scores. CONCLUSIONS: The vicarious exposure program may have a role to play as an adjunct in behaviour therapy.

Adolescent↗
PubMed2004

Prevalence of obsessive-compulsive disorder in patients with systemic lupus erythematosus.

BACKGROUND: The goal of this pilot study was to investigate the prevalence of obsessive-compulsive disorder (OCD) in a group of patients with systemic lupus erythematosus (SLE). METHOD: Fifty adult patients enrolled in out-patient SLE studies at the National Institute of Arthritis and Musculoskeletal and Skin Diseases (February 1995-October 1996) completed a self-report questionnaire adapted from the Yale-Brown Obsessive Compulsive Scale and an in-person psychiatric clinical interview with a psychiatrist or psychiatric clinical nurse specialist. DSM-IV lifetime diagnosis of OCD was determined by clinical interview. RESULTS: Sixteen subjects (32%) met DSM-IV lifetime diagnostic criteria for OCD and an additional 5 (10%) met criteria for subclinical OCD. Mean +/- SD number of symptoms reported on the self-report questionnaire was significantly higher among subjects diagnosed with OCD on clinical interview (40.7 +/- 23.2) compared with those without OCD (8.9 +/- 11.7; t = 5.8, df = 27, p <.001). CONCLUSION: Obsessive-compulsive disorder was 10 to 15 times more common in this cohort of patients with SLE compared with those in community-based studies of OCD. The use of an OCD self-report rating scale proved helpful in the identification of OCD symptoms among patients with SLE. Results suggest that further studies of OCD in patients with SLE are needed and may provide new insight into the pathophysiology of both disorders.

Adult↗
PubMedDate not supplied

[Obsessive-compulsive disorders in adolescents with diagnosed schizophrenia].

The aim of the study was to assess the prevalence of OCD among 200 outpatients and inpatients (102 girls and 88 boys), 15-19 years old (mean age = 17.1 +/- 0.29) with schizophrenia (DSM-III-R, DSM-IV) and to determinate the time of onset of OCD: at least 6 months before schizophrenic symptoms, together with schizophrenic symptoms, while treatment with neuroleptics (name of drug, doses, duration of pharmacotherapy). Patients were examined with SCID-P for DSM-III-R and DSM-IV, version for patient, Y-BOCS and a specially prepared questionnaire for determining the age of onset, duration of OCD and a clinical picture of OCD. OCD was diagnosed in 13% adolescent patients with schizophrenia. Primary OCD--before schizophrenic symptoms was noted in 2.0% of patients, OCD together with schizophrenic symptoms in 4.5% of subjects, and while pharmacotherapy with various atypical neuroleptics: clozapine, risperidone, olanzapine in 6.0% of young patients. The most of assessed patients received clozapine (35 subjects), 24 subjects were treated with risperidone and 17 patients with olanzapine. It was determined that 14.3% of subjects used clozapine, 12.5% of subjects treated with risperidone and 5.9% treated with olanzapine presented OCD, where symptoms had appeared while in pharmacotherapy with these atypical neuroleptics. The differences were not statistically significant. OCD was not observed in these patients who had earlier treatment with classical neuroleptics (for example: haloperidol, perazine). It is possible that part of OCD in schizophrenic patients is induced by medication with new atypical neuroleptics, their influence on serotoninergic system, other, maybe the partial symptomatology of schizophrenia in a special subgroup of patients.

Adolescent↗
PubMed2002

[Cyclothymic obsessive-compulsive disorder. Clinical characteristics of a neglected and under-recognized entity].

OBJECTIVE: Clinical research is largely focused on depressive comorbidity in obsessional compulsive disorder (OCD). However some recent publications have suggested that bipolar comorbidity occurs in authentic OCD and its presence has a differential impact on the clinical picture and course of OCD. METHOD: Recent data from the collaborative survey conducted with AFTOC (French Association of patients suffering from OCD) have revealed a high rate of bipolar comorbidity in OCD: 30% for hypomania and 50% for cyclothymia. RESULTS: The present paper presents further comparative analyses between OCD with (n = 302) versus without cyclothymia (n = 272). The sub-group "Cyclothymic OCD" is characterized by a different clinical picture (higher frequency of aggressive, impulsive, religious and sexual obsessions, and compulsions of control, hoarding, repetition), episodic course, higher rate of major depressive episodes (with more intensity and recurrence) associated with higher rates of suicide attempts and psychiatric admissions, and less favorable response to anti-OCD treatments. CONCLUSION: These data suggested that cyclothymic OCD could represent a specific distinct variant form of OCD. More vigilance is needed toward this entity which is largely under-recognized in clinical practice.

Adolescent↗
PubMed1994

Obsessive compulsive spectrum disorder.

A wide range of psychiatric and medical disorders have been hypothesized to be related to obsessive compulsive disorder (OCD) and thus, together, to form a family of disorders known as obsessive compulsive (or OCD) spectrum disorder. The grouping of these conditions is based on their phenomenological similarities with OCD (i.e., obsessive thinking and/or compulsive behaviors), as well as their having courses of illness, comorbidity and family history patterns, biological abnormalities, and treatment responses similar to OCD. Proposed OCD spectrum disorders have included body dysmorphic disorder, hypochondriasis, anorexia nervosa, trichotillomania, and some forms of delusional disorder, among others. However, conditions with impulsive features have also been hypothesized to belong to this family, including impulse control disorders in general, paraphilias and nonparaphilic sexual addictions, bulimia nervosa and binge eating disorder, and Tourette's disorder. We review the evidence supporting the grouping of these conditions into an OCD spectrum disorder family. We conclude that these disorders are different in some ways from OCD, but that they also have many similarities with OCD, and may therefore be related to one another and to OCD. In addition, we hypothesize that some of the differences among them may be explained in part by variation along a dimension of compulsivity versus impulsivity. Finally, because most of these conditions appear to be related to mood disorder, we hypothesize that the OCD spectrum disorder family may belong to the larger family of affective spectrum disorder.

Comorbidity↗
PubMed2003

Demographic and clinical characteristics of adolescents in Hawaii with obsessive-compulsive disorder.

BACKGROUND: A high prevalence rate of obsessive-compulsive disorder (OCD) among Hawaiian adolescents, particularly Native Hawaiians, has been reported. Because Native Hawaiian and other Polynesian youth are at an increased risk for rheumatic fever, caused by an autoimmune response to group A beta-hemolytic streptococci, we hypothesized that the genetic and environmental risk factors for streptococcal infections and their autoimmune sequelae potentially may be associated with the presence of OCD and may partially explain this high OCD prevalence. OBJECTIVE: To describe, among the adolescents in Hawaii diagnosed as having OCD through a previous study, OCD prevalence by ethnicity, household crowding and other measures of socioeconomic status, various measures of physical health and health-seeking behavior, and comorbid psychopathologic features. DESIGN: Six hundred nineteen adolescents from 5 high schools in the state of Hawaii were interviewed from April 15, 1993, to May 7, 1996. Interview instruments included the Diagnostic Interview Schedule for Children and other measurements of psychopathology. Obsessive-compulsive disorder diagnoses, based on current and past 6-month symptoms elicited via structured interview of the adolescents, were reported. RESULTS: Relative to other ethnicities, Native Hawaiians had a 2-fold higher risk (odds ratio = 2.03) for OCD. Degree of Polynesian ancestry correlated positively with OCD prevalence. Obsessive-compulsive disorder prevalence also correlated positively with crowding in the household; measures of physical illness; and measures of depression, anxiety, aggression, and illicit substance use. CONCLUSIONS: The characteristics of OCD in this sample suggest the need to consider the possibility of a streptococcal origin and the need for further studies to clarify the genetic and environmental risk factors for OCD in Hawaiian and other Polynesian youth.

Adolescent↗
PubMed2000

Decrease in thalamic volumes of pediatric patients with obsessive-compulsive disorder who are taking paroxetine.

BACKGROUND: Thalamic dysfunction has been implicated in obsessive-compulsive disorder (OCD). While OCD frequently has its onset during childhood, to our knowledge, no prior study has measured neuroanatomical changes in the thalamus of patients with OCD near the onset of illness, and before and after treatment. METHODS: Volumetric magnetic resonance imaging studies were conducted in 21 psychotropic drug-naive children, aged 8 to 17 years, with OCD and 21 case-matched healthy comparison subjects. Magnetic resonance imaging studies were also conducted in 10 of the 21 patients with OCD after 12 weeks of monotherapy with the selective serotonin reuptake inhibitor, paroxetine hydrochloride. RESULTS: Thalamic volumes were significantly greater in treatment-naive patients with OCD than in controls but declined significantly after paroxetine monotherapy to levels comparable with those of controls. Decrease in thalamic volume in patients with OCD was associated with reduction in OCD symptom severity. CONCLUSIONS: Our findings provide new evidence of thalamic abnormalities in pediatric OCD and further suggest that paroxetine treatment may be paralleled by a reduction in thalamic volume. These reductions may, however, not be specific to paroxetine treatment and could be due to a more general treatment response, and/or spontaneous improvement in symptoms. Our findings are preliminary given the small sample size and our inability to measure discrete thalamic nuclei.

Adolescent↗
PubMed1999

Segregation analysis of obsessive-compulsive disorder using symptom-based factor scores.

Obsessive-compulsive disorder (OCD) is a complex psychiatric disorder characterized by recurring obsessions or compulsions that cause significant distress to the patient or significantly interfere with the patient's normal home, work, or social activities [Diagnostic and Statistical Manual of Mental Disorders, 4th Edition. Washington, DC: American Psychiatric Association, 1994]. Twin and family studies have suggested that OCD has a significant genetic component. We performed complex segregation analyses using POINTER with families ascertained through an OCD-affected proband. In an attempt to resolve the phenotypic heterogeneity observed among individuals with OCD these segregation analyses used four factor-analytic symptom dimensions to subset the family sample based upon probands' symptom factor scores. Analysis of the entire sample allowed rejection of only the no transmission model; that model was also rejected in all subsequent analyses. Limiting the analyses to families with at least one OCD-affected member in addition to the proband (the demonstrably familial form of OCD) allowed rejection of all models except the mixed model. Analyses limited to families of high-factor-3 (symmetry and ordering symptoms) probands led to rejection of the polygenic model, indicating the involvement of a major locus. Additionally, the relative risk of OCD or subclinical OCD was 1.7 for relatives of probands with a factor 3 score greater than zero compared with relatives of probands with a low factor score. The symptoms attributed to high factor 3 scores (symmetry and ordering) may constitute a genetically significant symptomatic subtype of OCD. Am. J. Med. Genet. (Neuropsychiatr. Genet.) 88:669-675, 1999.

Aging↗
PubMed2003

Lack of association of catechol-O-methyltransferase gene polymorphism in obsessive-compulsive disorder.

The COMT gene has been implicated to be involved in the pathogenesis of obsessive-compulsive disorder (OCD) and various other psychiatric disorders. COMT enzyme activity is governed by a common genetic polymorphism at codon 158 that results in substantial 3- to 4-fold variation in enzymatic activity [a high-activity COMT variant (H) and a low activity variant (L)]. This study evaluates the association between OCD and the COMT gene polymorphism. Fifty-nine OCD patients that were diagnosed according to DSM-IV criteria and 114 healthy control subjects were included in the study. PCR technique was used for molecular analysis. The genotypic pattern of distribution of the COMT gene (H/H, H/L, and L/L genotypes) was not different between the OCD patients and controls. There were no significant differences among the patients with positive family history for OCD, those with negative family history for OCD, and the controls with respect to allele frequencies of the COMT gene polymorphisms. Patients that were homozygous or heterozygous for the L allele had significantly higher insight scores (i.e., poorer insight) on Y-BOCS compared to those homozygous for the H allele. We did not find an association between OCD, family history for OCD, and the COMT gene polymorphism. This study suggests that the COMT gene polymorphism is not directly associated with OCD in our patient group.

Adolescent↗
PubMed2007

Comparison of clinical characteristics in episodic and chronic obsessive-compulsive disorder.

Our objective in this study was to compare the demographics and clinical characteristics of patients with episodic and chronic obsessive-compulsive disorder (OCD). We recruited 128 outpatients with a primary diagnosis of OCD according to DSM-IV diagnostic criteria. The episodic (n=24) and chronic (n=104) OCD patient groups were compared with respect to demographic variables and scores from various psychiatric rating scales. The severity of compulsions was found to be significantly lower in the episodic OCD group than in the chronic OCD group. When the frequency of Axis I disorders was assessed in the two groups, bipolar disorder was found to have a significantly higher prevalence rate in the episodic OCD group than that in the chronic OCD group. The results of our study point to the possibility of an association between a subgroup of OCD with an episodic course and bipolar disorder. The evidence of such a relationship, which needs to be confirmed in a larger sample, might expand the scope of the clinical assessment and therapy of this subgroup of OCD.

Adult↗