Obsessive-Compulsive Disorder

Lifetime prevalence is 1–3%, with bimodal onset in childhood and late adolescence/early adulthood

Males and females affected equally

Drug interactions, notably risk of serotonin syndrome in pts on serotonergic agents such as SSRIs and clomipramine

Anxiety/panic attacks

OCD-related behavior interfering with preop and postop instructions

Serotonin syndrome

Coexistent psychiatric illness

Anxiety/panic attacks

Behaviors triggered by OCD complicating recovery (e.g., noncompliance with bedrest, interference with dressings.)

Nutritional status if coexistent with an eating disorder