Treatment Recommendations for Phantom Limb Pain in People with Amputations: An Expert Consensus Delphi Study.
Katleho Limakatso, Romy Parker
PMID 33460508WHAT IT FOUND
Experts endorsed graded motor imagery, mirror therapy, and functional prostheses for phantom limb pain, but consensus relied mostly on clinical experience rather than strong trial data.
Amitriptyline was the only medication agreed upon, despite existing evidence showing it is no more effective than placebo.
Key findings
01Expert consensus endorsed seven treatments for phantom limb pain: mirror therapy, graded motor imagery, cognitive behavioral therapy, virtual reality training, sensory discrimination training, amitriptyline, and the use of a functional prosthesis.
02For several endorsed treatments, including cognitive behavioral therapy, virtual reality training, and functional prostheses, experts reported clinical efficacy but acknowledged a lack of supporting scientific evidence.
03Amitriptyline was endorsed by experts despite a systematic review finding it is no more effective than placebo for reducing phantom limb pain.
STILL TO COME
How it was doneWhat they foundWhat it means for PTsWhat it means for OTs
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What it does not show
The study relies on expert opinion rather than direct clinical trial data, and the experts themselves noted a lack of scientific evidence for several endorsed treatments. The sample size was small, with only 20 experts completing the final round, which limits the generalizability of the consensus. There was a high dropout rate after the first round, potentially introducing nonresponse bias. The study did not provide recommendations on dosage or administration methods for the endorsed treatments. Subgroup analyses by profession could not be performed due to the small number of participants in each category.
Declared interests
The paper does not explicitly state funding sources or author conflicts of interest in the provided text, but notes that the study was conducted in accordance with the Declaration of Helsinki.
The easy way to misread this
Do not interpret the expert endorsement of amitriptyline as evidence that it works for phantom limb pain. The experts themselves acknowledged that current systematic review evidence shows it is no more effective than placebo, and their endorsement reflects a disconnect between clinical habit and proven efficacy.