Patients' perceptions of magnetic resonance imaging. Export

@article{citeulike:267495, abstract = {There are several anxiety-related reactions associated with magnetic resonance imaging (MRI). Patients who experience such reactions may disrupt the examination or move so much that images are degraded. These experiences may also influence patients' perceptions of the quality of their care. The objective of this study was to further assess the subjective experiences of patients undergoing MRI in an attempt to identify those patients likely to have problems and factors affecting their experiences. Five hundred consecutive patients undergoing MRI were surveyed using questionnaires before and immediately after imaging. Anxiety was measured using the state anxiety component of the state-trait anxiety inventory. All patients exhibited some degree of pre-imaging anxiety. This was particularly associated with a previous 'unpleasant' imaging experience. Patients who experienced problems during MRI had pre-imaging anxiety levels equivalent to patients about to undergo surgery, were more likely to react badly when first seeing the scanner and were more likely to leave the MRI unit with even greater feelings of anxiety than when they arrived. In contrast to previous studies, anxiety was not associated with either the patient's understanding of the procedure or the duration of the examination. Several features have been identified which could improve the patient's experience (e.g. better information sheet). Awareness of MRI-related anxiety should also be considered when assessing the impact of MRI on outcome for the patient.}, address = {Department of Radiology, Addenbrooke's Hospital.}, author = {MacKenzie, R. and Sims, C. and Owens, R. G. and Dixon, A. K.}, citeulike-article-id = {267495}, citeulike-linkout-0 = {http://view.ncbi.nlm.nih.gov/pubmed/7889700}, citeulike-linkout-1 = {http://www.hubmed.org/display.cgi?uids=7889700}, comment = {"Only five (1\%) patients were so distressed that the MRI examination had to be aborted." p. 138 ---=note-separator=--- There was no long-term follow up. ---=note-separator=--- Anxiety decreased from pre- to post-scan fear measurements. ---=note-separator=--- The data are rich. Pre-scan STAI: mean 35.5, SD 11.2, N=375 Post-scan STAI: mean 33, SD 11.3, N=380 Participants (N=463) provided retrospectively an overall rating of the experience, responding on a 5-point scale from extremely unpleasant through extremely pleasant. 42\% rated it positively (1-2), 39\% neutrally (3), and 12\% negatively (4-5). ---=note-separator=--- Sensitization/habituation: Pre-scan anxiety ratings weren't significantly different between those who had and hadn't any previous MRI experience. 64\% of patients (N=500) said they would have another MRI. 24\% said they would only if necessary. 2\% said they would not have another MRI. 10\% didn't answer.}, issn = {0009-9260}, journal = {Clin Radiol}, keywords = {fear, fearstats, hardcopy, mri, neuroethicsnet, pdfcopy, refusalstats, riskpaper, stai}, month = {March}, number = {3}, pages = {137--143}, posted-at = {2005-07-29 05:47:49}, priority = {0}, title = {Patients' perceptions of magnetic resonance imaging.}, url = {http://view.ncbi.nlm.nih.gov/pubmed/7889700}, volume = {50}, year = {1995} }

TY - JOUR ID - citeulike:267495 L3 - citeulike-article-id:267495 N2 - There are several anxiety-related reactions associated with magnetic resonance imaging (MRI). Patients who experience such reactions may disrupt the examination or move so much that images are degraded. These experiences may also influence patients' perceptions of the quality of their care. The objective of this study was to further assess the subjective experiences of patients undergoing MRI in an attempt to identify those patients likely to have problems and factors affecting their experiences. Five hundred consecutive patients undergoing MRI were surveyed using questionnaires before and immediately after imaging. Anxiety was measured using the state anxiety component of the state-trait anxiety inventory. All patients exhibited some degree of pre-imaging anxiety. This was particularly associated with a previous 'unpleasant' imaging experience. Patients who experienced problems during MRI had pre-imaging anxiety levels equivalent to patients about to undergo surgery, were more likely to react badly when first seeing the scanner and were more likely to leave the MRI unit with even greater feelings of anxiety than when they arrived. In contrast to previous studies, anxiety was not associated with either the patient's understanding of the procedure or the duration of the examination. Several features have been identified which could improve the patient's experience (e.g. better information sheet). Awareness of MRI-related anxiety should also be considered when assessing the impact of MRI on outcome for the patient. IS - 3 JF - Clin Radiol SN - 0009-9260 AD - Department of Radiology, Addenbrooke's Hospital. EP - 143 TI - Patients' perceptions of magnetic resonance imaging. VL - 50 SP - 137 KW - fear KW - fearstats KW - hardcopy KW - mri KW - neuroethicsnet KW - pdfcopy KW - refusalstats KW - riskpaper KW - stai N1 - "Only five (1%) patients were so distressed that the MRI examination had to be aborted." p. 138 N1 - There was no long-term follow up. N1 - Anxiety decreased from pre- to post-scan fear measurements. N1 - The data are rich. Pre-scan STAI: mean 35.5, SD 11.2, N=375 Post-scan STAI: mean 33, SD 11.3, N=380 Participants (N=463) provided retrospectively an overall rating of the experience, responding on a 5-point scale from extremely unpleasant through extremely pleasant. 42% rated it positively (1-2), 39% neutrally (3), and 12% negatively (4-5). N1 - Sensitization/habituation: Pre-scan anxiety ratings weren't significantly different between those who had and hadn't any previous MRI experience. 64% of patients (N=500) said they would have another MRI. 24% said they would only if necessary. 2% said they would not have another MRI. 10% didn't answer. AU - MacKenzie, R AU - Sims, C AU - Owens, RG AU - Dixon, AK PY - 1995/03// UR - http://view.ncbi.nlm.nih.gov/pubmed/7889700 ER -