Maryam Mostafavi Shirazi - Department of Health Psychology, Kish International Branch, Islamic Azad University, Kish Island, Iran.
Hosein Eskandari - Department of Psychology, Faculty of Psychology and Education, Allameh Tabataba&#۰۳۹;i University, Tehran, Iran.
Buick Tajeri - Department of Psychology, Karaj Branch, Islamic Azad University, Karaj, Iran.

Background: Irritable bowel syndrome (IBS) is a chronic gastrointestinal dysfunction. Patients experience abdominal pain and different intestinal symptoms in the absence of any structural or biological abnormalities.Objectives: This study aimed to investigate the effectiveness of an analytical treatment group on perceived stress, the severity of gastrointestinal symptoms, and perfectionism in patients with irritable bowel syndrome (IBS). Methods: The present study was a semi-experimental design of pre-test, post-test, and follow-up with the control group. The statistical population of the study included patients with irritable bowel syndrome referred to medical centers in Tehran in ۲۰۱۹, among which ۶۸ patients were selected by convenience sampling method. Among them, ۲۰ patients were assigned to two groups of analytical therapy (n=۱۰) and the control group (n=۱۰) using a simple random sampling method. Data were obtained using the perceived stress scale (PSS), multidimensional perfectionism scale, and irritable bowel syndrome symptom severity index. Repeated measure analysis of variance method and SPSS.۲۲ software were used. Results: The results showed that analytical group therapy significantly reduced perceived stress (p <۰.۰۰۱), perfectionism (p <۰.۰۰۱), and severity of gastrointestinal symptoms (p <۰.۰۰۱) in irritable bowel syndrome patients. Conclusion: It can be concluded that analytical group therapy is effective on perceived stress, perfectionism, and severity of symptoms of irritable bowel syndrome and analytical group therapy can be used to reduce the problems of patients with irritable bowel syndrome.

Irritable Bowel Syndrome, perfectionism, Gastrointestinal Diseases, Psychotherapy