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Title: Development and evaluation of a psychological preparation for patients undergoing MRI Scanning
Author: Ahmad, Mahadir
ISNI:       0000 0004 2704 9306
Awarding Body: University of Aberdeen
Current Institution: University of Aberdeen
Date of Award: 2011
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MRI scan-related emotional distress leads to motion artefact and scan incompletion. A number of intervention studies therefore targeted to reduce anxiety. However, there is little research specifically on the development and evaluation of theory- and evidence-based psychological preparation for MRI. This research was aimed at developing and evaluating a theory- and evidence-based psychological preparation for patients undergoing MRI scanning through three empirical studies which involved 193 outpatients. Study 1: a predictive study investigated the effects of illness perceptions, MRI self-efficacy and emotional distress on scan behavioural and emotional outcomes, Study 2: a randomised controlled trial investigated the effects of a psychological preparation integrating self-efficacy enhancement and information provision techniques on scan behaviour, MRI self-efficacy and scan emotional outcomes. Study 3 aimed to: generate the items of MRI-SEQ, pre-test the measure, investigate the reliability and validity and reassess them in a replication study. Participants completed prescan and post-scan questionnaires. Scan behaviour was recorded by the radiographer. Analyses were conducted using correlation, multiple regression, logistic regression and Guttman Scaling. MRI self-efficacy significantly predicted scan behaviour and contributed to scan emotional outcomes. The developed psychological preparation had a significant effect increasing the likelihood of successful scan completion. It also significantly predicted MRI self-efficacy, and scan emotional outcomes. The intervention was also found to be acceptable and feasible for delivery to MRI outpatients. MRI-SEQ was found to have excellent internal consistency, good content validity, good predictive and criterion validity and was strongly associated with conceptually related measures. Self-efficacy is a major predictor for MRI scan outcomes. The psychological preparation intervention integrating self-efficacy enhancement and information provision was successful in improving MRI scan completion and may have potential for implementation in routine services. The MRI-SEQ possesses good psychometric quality is predictive of MRI outcomes and has potential as a screening tool in the MRI centre.
Supervisor: Not available Sponsor: Not available
Qualification Name: Thesis (Ph.D.) Qualification Level: Doctoral
EThOS ID:  DOI: Not available
Keywords: Magnetic resonance imaging ; Patients ; Patient education ; Stress, Psychological