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Standardized outcome measures can be used to document patient health outcomes and improve treatment of those requiring prosthetic and orthotic (O&P) services. Though numerous instruments have been developed, existing measures of O&P outcomes have serious shortcomings including limited evidence that the scores are responsive to clinical changes.
The investigators are developing the Prosthetic Limb Users Survey-Mobility (PLUS-M) using modern measurement methods to be a brief, precise and flexible measure of mobility for persons with lower limb amputation (LLA). The investigators propose the following objectives to achieve this goal.
Key objective 1: develop a measure (item bank) for measuring mobility in persons with lower limb loss
Key objective 2: study health profiles of lower limb prosthetic users
Key objective 3: validate the measure in a longitudinal study of people receiving replacement prosthetic limbs
Key objective 4: study longitudinal health patterns of persons with lower limb amputation
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Persons with lower limb amputation | Persons with amputation below the hip and at or above the ankle |
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| Measure | Description | Time Frame |
|---|---|---|
| Prosthetic Limb Users Survey of Mobility (PLUS-M) | PLUS-M is a self-reported measure of prosthetic mobility. | Single time point |
| Measure | Description | Time Frame |
|---|---|---|
| Prosthesis Evaluation Questionnaire - Mobility Subscale (PEQ-MS) delivery of orthotics and prosthetics (O&P) services for persons with LLA. | The PEQ-MS is a self-reported measure of prosthetic mobility. | Single time point |
| Patient Reported Outcomes Measurement Information Systems (PROMIS) brief profile |
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Inclusion Criteria:
(1) be 18 years of age or older; (2) have a unilateral or bilateral amputation of the lower limb between the hip and knee or between the knee and ankle; (3) own and use a lower limb prostheses; (4) and be able to read, write, and understand spoken English.
Exclusion Criteria:
(1) do not currently use or do not intend to be fitted for a lower limb prosthesis; or (2) appear to have moderate to severe cognitive impairment, as evidenced by inconsistent responding to the study instruments.
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Persons with lower limb amputation living in the United States
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| Name | Affiliation | Role |
|---|---|---|
| Brian J Hafner, Ph.D | University of Washington | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| South Florida Veterans Affairs Foundation for Research and Education | Miami | Florida | 33125 | United States | ||
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 26836953 | Background | Morgan SJ, Kelly VE, Amtmann D, Salem R, Hafner BJ. Self-Reported Cognitive Concerns in People With Lower Limb Loss. Arch Phys Med Rehabil. 2016 Jun;97(6):912-8. doi: 10.1016/j.apmr.2016.01.010. Epub 2016 Feb 1. | |
| 25917819 | Background | Amtmann D, Morgan SJ, Kim J, Hafner BJ. Health-related profiles of people with lower limb loss. Arch Phys Med Rehabil. 2015 Aug;96(8):1474-83. doi: 10.1016/j.apmr.2015.03.024. Epub 2015 Apr 25. |
| Label | URL |
|---|---|
| The University of Washington Center on Outcomes Research in Rehabilitation (UWCORR) | View source |
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| ID | Term |
|---|---|
| D051346 | Mobility Limitation |
| ID | Term |
|---|---|
| D012816 | Signs and Symptoms |
| D013568 | Pathological Conditions, Signs and Symptoms |
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The Patient Reported Outcomes Measurement Information System (PROMIS) is a suite of reliable, precise, and meaningful self-report instruments designed to assess patients' health. PROMIS-29 is a 29-item survey designed to evaluate patients in seven health domains: physical function, anxiety, depression, fatigue, sleep disturbance, social role-participation, and pain interference. |
| Single time point |
| Activities Specific Balance Confidence Scale (ABC) | The ABC is a self-reported measure of balance confidence. | Single time point |
| University of Washington, UWCORR |
| Seattle |
| Washington |
| 98105 |
| United States |
| 25944625 | Background | Hafner BJ, Morgan SJ, Abrahamson DC, Amtmann D. Characterizing mobility from the prosthetic limb user's perspective: Use of focus groups to guide development of the Prosthetic Limb Users Survey of Mobility. Prosthet Orthot Int. 2016 Oct;40(5):582-90. doi: 10.1177/0309364615579315. Epub 2015 May 5. |
| 24442531 | Background | Morgan SJ, Amtmann D, Abrahamson DC, Kajlich AJ, Hafner BJ. Use of cognitive interviews in the development of the PLUS-M item bank. Qual Life Res. 2014 Aug;23(6):1767-75. doi: 10.1007/s11136-013-0618-z. Epub 2014 Jan 20. |
| 24827935 | Background | Gaunaurd I, Spaulding SE, Amtmann D, Salem R, Gailey R, Morgan SJ, Hafner BJ. Use of and confidence in administering outcome measures among clinical prosthetists: Results from a national survey and mixed-methods training program. Prosthet Orthot Int. 2015 Aug;39(4):314-21. doi: 10.1177/0309364614532865. Epub 2014 May 14. |
| 27590443 | Derived | Hafner BJ, Gaunaurd IA, Morgan SJ, Amtmann D, Salem R, Gailey RS. Construct Validity of the Prosthetic Limb Users Survey of Mobility (PLUS-M) in Adults With Lower Limb Amputation. Arch Phys Med Rehabil. 2017 Feb;98(2):277-285. doi: 10.1016/j.apmr.2016.07.026. Epub 2016 Aug 30. |