Journal
NEUROLOGICAL SCIENCES
Volume 42, Issue 5, Pages 1977-1986Publisher
SPRINGER-VERLAG ITALIA SRL
DOI: 10.1007/s10072-020-04710-0
Keywords
Hemiplegia; Pain; Platelet-rich plasma; Shoulder; Stroke
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The study aimed to examine the effects of PRP on hemiplegic shoulder pain, but found no significant difference between PRP and placebo in pain relief and functional outcomes. Further research is still needed to determine the efficacy of PRP in treating hemiplegic shoulder pain.
Objective The aim of this study was to examine the effects of platelet-rich plasma (PRP) on pain and functional outcomes in patients with hemiplegic shoulder pain. We compared the effects of PRP against saline solution by designing a double blind, randomized, prospective study. Design Forty-four patients with hemiplegia were included in this study. All patients received a total of 3 injections, 1 week apart. The first group received PRP injections while the second group received placebo injections. After 3 months of follow-up, 40 patients completed the trial. Primary outcome measure was movement-induced pain score (VAS), and secondary outcome measures were spontaneous pain score, shoulder passive range of motion (ROM), functional independence measure score, and the amount of paracetamol used. All subjects were evaluated at baseline, 1 week, 1 month, and 3 months after the completion of the last injection. Results Both groups showed an improvement in spontaneous and movement-related pain scores and shoulder passive ROM values on 1st and 3rd month visits (p < 0.05). No significance difference was detected between groups (p > 0.05). Similarly, FIM scores improved significantly in both groups (p < 0.05) but no difference was found between groups. Paracetamol use did not differ significantly between groups. Conclusion The PRP injections were found not to be superior to placebo. Improvements in both groups can be attributed to the use of rehabilitation techniques and exercises in all patients. There is still need for further research to show whether PRP is a treatment option in the course of hemiplegic shoulder pain.
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