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Is the VISA-A Still Seaworthy, or Is It in Need of Maintenance?

Background: The Victorian Institute of Sport Assessment–Achilles (VISA-A) questionnaire is validated and widely used in Achilles tendinopathy. How well it can evaluate treatment outcomes is not well understood. Purpose: To evaluate the responsiveness of the VISA-A in midportion Achilles tendinopathy...

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Published in:Orthopaedic journal of sports medicine 2022-08, Vol.10 (8), p.232596712211089-23259671221108950
Main Authors: Sigurðsson, Haraldur B., Grävare Silbernagel, Karin
Format: Article
Language:English
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Summary:Background: The Victorian Institute of Sport Assessment–Achilles (VISA-A) questionnaire is validated and widely used in Achilles tendinopathy. How well it can evaluate treatment outcomes is not well understood. Purpose: To evaluate the responsiveness of the VISA-A in midportion Achilles tendinopathy and compare it with other patient-reported outcome measures. Study Design: Cohort study (diagnosis); Level of evidence, 2. Methods: Enrolled were 97 participants with clinically diagnosed Achilles tendinopathy (median age, 50 years [interquartile range, 18 years]; symptom duration, 10 months [interquartile range, 28.7 months). The participants underwent a baseline evaluation and completed between 1 and 6 follow-up evaluations at 8, 16, 24, 32, 40, and/or 48 weeks. Participants completed the VISA-A, the Patient Reported Outcomes Measurement Information System short form Version 2.0 (PROMIS) Physical Function and Pain Interference subscales, and the Tampa Scale for Kinesiophobia (TSK). Three thresholds were evaluated with a receiver operating characteristic analysis (minimal clinically important difference [MCID], substantial benefit [SB], and complete recovery [CR]) using an 11-point global rating of change scale as an anchor. Thresholds were evaluated on raw scores as well as changes from baseline. Results: The VISA-A was able to detect all 3 thresholds for changes over time, with raw scores >70.5, >77.5, and >89.5 representing the MCID, SB, and CR, respectively; thresholds for changes from baseline on the VISA-A were increases of 23.5, 19.5, and 37.5 points from baseline, respectively. The PROMIS subscale raw scores had identical thresholds for SB and CR (52.45 for Physical Function and 45.6 for Pain Interference). A score
ISSN:2325-9671
2325-9671
DOI:10.1177/23259671221108950