Abstract
Purpose of Review
The purpose of this paper was to review the current psychometric properties of patient-reported outcome measures that are commonly used for patients with patellofemoral instability. This review provides evidence to guide the selection of subjective outcome measures for assessing outcomes in clinical care and research studies.
Recent Findings
At the present time, there are two patient-reported outcome measures that have been designed for, and tested on, large cohorts of patellofemoral instability patients, the Banff Patella Instability Instrument (BPII) and the Norwich Patellar Instability Score (NPI). The BPII is a wholistic quality of life outcome measure and the NPI is a symptom score.
Summary
The use of disease-specific outcome measures such as the BPII and NPI, in combination with generic knee, functional activity, and/or psychological outcome measures that have been proven to be valid and reliable for the patellofemoral instability population, is most likely to provide a well-rounded evaluation of treatment outcomes.
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References
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Laurie A. Hiemstra and Sarah Kerslake report that the Banff Patellofemoral Instability Instrument (BPII & BPII 2.0) patient-reported outcome measure assessed in the manuscript was developed and researched by them both. Every effort has been undertaken to assess each outcome measure using the same criteria to avoid bias of interpretation and presentation of the critical review. Jessica L. Page declares no potential conflicts of interest.
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Hiemstra, L.A., Page, J.L. & Kerslake, S. Patient-Reported Outcome Measures for Patellofemoral Instability: a Critical Review. Curr Rev Musculoskelet Med 12, 124–137 (2019). https://doi.org/10.1007/s12178-019-09537-7
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DOI: https://doi.org/10.1007/s12178-019-09537-7