Copyright ©2012 Baishideng Publishing Group Co.
World J Gastroenterol. Feb 21, 2012; 18(7): 616-626
Published online Feb 21, 2012. doi: 10.3748/wjg.v18.i7.616
Table 6 Comorbid psychiatric diagnoses and their relation to irritable bowel syndrome
Psychiatric symptoms and psychiatric diseases are frequent in IBS, especially in severe forms
Depression is the most common psychiatric disorder in IBS (approximately 30% of patients)
Generalized anxiety disorder is present in about 15% of patients
High gastrointestinal specific anxiety predicts symptom severity
High levels of somatization determine frequent use of health care services, a poor response to treatment and a poor health-related quality of life
Other psychiatric disorders in IBS patients: posttraumatic stress disorder, panic disorder, hypochondriasis, dysthymia, phobias, undifferentiated somatoform disorder, drug or alcohol problems
Patients with severe IBS may have more than one psychiatric disorder
Measurement methods: Symptom checklist-90-revised for overall psychological distress; state-trait anxiety inventory, beck depression Inventory