BACKGROUND: Previous studies have aimed to identify subtypes of obsessive-compulsive disorder (OCD) based on their age of onset (AOO). Obsessive-compulsive spectrum disorders (OCS disorders) such as tic disorders have been particularly associated with an early onset in some studies. However, subtypes of early- and late-onset OCD are unevenly determined, and the biological and the clinical validity of these subtypes are unknown. This study was undertaken to discriminate the subtypes of OCD in different AOO levels and to test the hypothesis that different AOO bands are associated with a differential pattern of comorbidity. METHODS: Two hundred fifty-two patients with OCD were interviewed directly with the German version of the Schedule for Affective Disorders and Schizophrenia-Lifetime Anxiety Version, which provides DSM-IV diagnosis. Subgroups with different ages of onset were investigated (cut-off levels of 10, 15, and 18 years). RESULTS: Subjects with an early AOO (onset < or =10 years) were significantly more likely to have OCS disorders (odds ratio [OR]=3.46; P=.001; 95% confidence interval [CI]: 1.72-6.96), in particular tic/Tourette's disorders (OR=4.63; P=.002; 95% CI: 1.78-12.05), than were late-onset subjects. CONCLUSIONS: For most mental disorders (e.g., anxiety and mood disorders), no associations with AOO of OCD were identified. However, subjects in the early-onset group (< or =10 years) had a significant increase in comorbid tic and Tourette's disorders. Future research should examine potential neurobiological features associated with early-onset presentations of OCD. Early detection and management of comorbidities may offset impairments later in life.
BACKGROUND: Previous studies have aimed to identify subtypes of obsessive-compulsive disorder (OCD) based on their age of onset (AOO). Obsessive-compulsive spectrum disorders (OCS disorders) such as tic disorders have been particularly associated with an early onset in some studies. However, subtypes of early- and late-onset OCD are unevenly determined, and the biological and the clinical validity of these subtypes are unknown. This study was undertaken to discriminate the subtypes of OCD in different AOO levels and to test the hypothesis that different AOO bands are associated with a differential pattern of comorbidity. METHODS: Two hundred fifty-two patients with OCD were interviewed directly with the German version of the Schedule for Affective Disorders and Schizophrenia-Lifetime Anxiety Version, which provides DSM-IV diagnosis. Subgroups with different ages of onset were investigated (cut-off levels of 10, 15, and 18 years). RESULTS: Subjects with an early AOO (onset < or =10 years) were significantly more likely to have OCS disorders (odds ratio [OR]=3.46; P=.001; 95% confidence interval [CI]: 1.72-6.96), in particular tic/Tourette's disorders (OR=4.63; P=.002; 95% CI: 1.78-12.05), than were late-onset subjects. CONCLUSIONS: For most mental disorders (e.g., anxiety and mood disorders), no associations with AOO of OCD were identified. However, subjects in the early-onset group (< or =10 years) had a significant increase in comorbid tic and Tourette's disorders. Future research should examine potential neurobiological features associated with early-onset presentations of OCD. Early detection and management of comorbidities may offset impairments later in life.
Authors: Caleb M Pardue; Nicholas J Sibrava; Christina L Boisseau; Maria C Mancebo; Jane L Eisen; Steven A Rasmussen Journal: J Obsessive Compuls Relat Disord Date: 2014-07-01 Impact factor: 1.677
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Authors: Dennis L Murphy; Kiara R Timpano; Michael G Wheaton; Benjamin D Greenberg; Euripedes C Miguel Journal: Dialogues Clin Neurosci Date: 2010 Impact factor: 5.986
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