Physical therapy interventions for the management of hand tremors in patients with Parkinson's disease: a systematic review

M Shahien, A Elaraby, M Gamal, E Abdelazim… - Neurological …, 2023 - Springer
Neurological Sciences, 2023Springer
Background Several physical therapy modalities have been used to improve hand tremors
in patients with Parkinson's disease (PD). However, little is known about the efficacy of these
techniques. Therefore, we conducted this study to synthesize evidence from published
studies on the efficacy of physical therapy techniques for hand tremors in PD patients.
Methods We followed the PRISMA statement and Cochrane handbook guidelines when
conducting this study. We conducted an electronic literature search of PubMed, Cochrane …
Background
Several physical therapy modalities have been used to improve hand tremors in patients with Parkinson’s disease (PD). However, little is known about the efficacy of these techniques. Therefore, we conducted this study to synthesize evidence from published studies on the efficacy of physical therapy techniques for hand tremors in PD patients.
Methods
We followed the PRISMA statement and Cochrane handbook guidelines when conducting this study. We conducted an electronic literature search of PubMed, Cochrane Central Register of Clinical Trials, Web of Science, Ovid, and Embase, and then we selected clinical trials assessing the efficacy of any physical therapy intervention for hand tremors in patients with PD. Study outcomes were extracted, and evidence was synthesized narratively.
Results
A total of six modalities described in six studies were included in this systematic review. Out of the six interventions, the tremor’s glove and electrical stimulation showed significant improvements in root mean square angular velocity (59% and 43.8%, respectively) and UPDRS tremor score (P < 0.05 for both). Also, eccentric exercises were associated with significant reductions in the mean resting tremor amplitude (P < 0.05). These data were dependent on single studies; therefore, a meta-analysis was not feasible.
Conclusion
Several physical therapy interventions, such as electrical stimulation, exercises, transcranial low voltage pulsed electromagnetic fields, weights, and virtual reality showed promising results in reducing hand tremors. However, this evidence was based on a limited number of included studies, and more RCTs with larger sample sizes are required to confirm the efficacy of these interventions.
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