Relationship between psychological distress and physical symptoms of functional dyspepsia with the mediating role of pain related mental imagery, visceral sensitivity, pain catastrophizing and pain self-efficacy

Introduction: Functional dyspepsia is a group of gastrointestinal disorders in which the psychological symptoms play significant role their incidence. Aim: The aim this study determination relationship between distress and physical functional with mediating pain-related mental imagery, visceral sensitivity, pain catastrophizing self-efficacy. Method: present conducted using descriptive cross-sectional method. statistical population includes all patients referred to clinics Isfahan 2021-2022. consists 363 people who are selected by convenience sampling. Instruments include Depression Anxiety Stress Scale, Nepin Dyspepsia Index, Chronic Pain Mental Image Questionnaire, Visceral Sensitivity Catastrophizing Scale Self-Efficacy Questionnaire. Software such as smart-PLS, SPSS-23 indices structural equations used for data analysis. Results: Results showed that direct path (0.329), imagery (0.396) (0.234) were significant. Also, indirect paths from through catastrophizing, self-efficacy on sensitivity values 0.052, 0.231, 0.058 0.246 respectively had relations. Conclusion: results show dyspepsia. It suggested these factors included treatment plans reduce recurrence, exacerbation burden disease.