Phantom Limb Pain Assessment Tools: A Literature Review Exploring Strengths and Limitations.
Alexandra N Jenson, Benjamin Branch, Janelle M Richard and 1 others
PMID 40678285WHAT IT FOUND
No existing phantom limb pain assessment tool adequately distinguishes between pain, sensations, and residual limb pain.
Most tools used in research are single-question pain scales that miss these differences, leaving clinicians without a standard way to diagnose these conditions accurately.
Key findings
01Unidimensional pain scales are the most widely used tools for phantom limb pain studies, but they focus solely on pain intensity and do not distinguish between phantom limb pain, phantom limb sensations, and residual limb pain.
02Of the multidimensional tools specifically designed for phantom limb pain, none successfully included questions to differentiate between all three post-amputation conditions while also using descriptor words to characterize the quality of pain and sensations.
03The lack of a standardized, validated measurement tool for these conditions creates inconsistency in research and complicates the development of individualized treatment plans in clinical settings.
STILL TO COME
How it was doneWhat they foundWhat it means for PTs
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What it does not show
This is a narrative review of existing tools, not a study of patient outcomes or test performance, so it cannot tell you which tool is most accurate for a specific patient. The review relied on how the original studies described their use of tools, and some tools may have been modified in ways that were not reported in the source papers. Completion times for many tools were estimated by the authors based on the number of questions, rather than measured in practice.
Declared interests
The authors declared no competing interests, funding, or financial benefits.
The easy way to misread this
Do not interpret this review as evidence that a specific tool, such as the Numerical Rating Scale, is inaccurate for measuring pain intensity. The finding is that these tools are incomplete for diagnosing phantom limb conditions because they do not ask separate questions about pain, sensations, and residual limb pain.