Document Detail


A usability study of a computerized decision aid to help patients with, early stage papillary thyroid carcinoma in, decision-making on adjuvant radioactive iodine treatment.
MedLine Citation:
PMID:  20732775     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
OBJECTIVE: We tested the usability of a patient-directed decision aid (DA), intended for patients with early stage papillary thyroid carcinoma (PTC) deciding to accept or reject adjuvant radioactive iodine (RAI) treatment. This decision is complicated by uncertainty of the medical evidence relating to potential treatment benefits.
METHODS: The DA was tested by 12 thyroid cancer survivors, 7 thyroid specialty physicians, and 30 lay individuals with no history of thyroid cancer. The participants completed the System Usability Scale for human-computer interaction questionnaire. The medical knowledge of lay participants was assessed before and after DA exposure. Qualitative participant feedback was obtained by thinking aloud during DA use, as well as from interviews.
RESULTS: Participants generally found the usability of the DA acceptable. The DA significantly increased medical knowledge. In spite of some physicians' concerns about disclosure of treatment controversy and evidence uncertainty, it was found to be acceptable to non-physicians.
CONCLUSION: A computerized DA on RAI treatment is acceptable to physicians and non-physicians and can improve medical knowledge.
PRACTICE IMPLICATIONS: In counseling patients about complex medical decisions, disclosure of uncertainty related to medical evidence may be acceptably conveyed using a DA.
Authors:
Anna M Sawka; Sharon Straus; Amiram Gafni; Soumia Meiyappan; Mary Ann O'Brien; James D Brierley; Richard W Tsang; Lorne Rotstein; Lehana Thabane; Gary Rodin; Susan R George; David P Goldstein
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Publication Detail:
Type:  Journal Article     Date:  2010-08-21
Journal Detail:
Title:  Patient education and counseling     Volume:  84     ISSN:  1873-5134     ISO Abbreviation:  Patient Educ Couns     Publication Date:  2011 Aug 
Date Detail:
Created Date:  2011-07-08     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8406280     Medline TA:  Patient Educ Couns     Country:  Ireland    
Other Details:
Languages:  eng     Pagination:  e24-7     Citation Subset:  N    
Copyright Information:
Copyright © 2010 Elsevier Ireland Ltd. All rights reserved.
Affiliation:
Department of Medicine, University Health Network - Toronto General Hospital, Toronto, Canada M5G 2C4; Department of Medicine, University of Toronto, Canada.
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