• Rodrigo Núñez-Cortés, Carlos Cruz-Montecinos, Rodrigo Latorre-García, Sofía Pérez-Alenda, and Rodrigo Torres-Castro.
• Department of Physical Therapy, Faculty of Medicine, University of Chile, Santiago, Chile.; Hospital Clínico La Florida, Santiago, Chile.
• J Stroke Cerebrovasc Dis. 2020 Nov 1; 29 (11): 105236.

ObjectiveTo determine the effectiveness of the dry needling technique (DNT) in the treatment of spasticity for individuals with stroke.DesignWe reviewed the Embase, Pubmed/MEDLINE, Web of Science and Cochrane Central Register of Controlled Trials (CENTRAL) databases. We also performed a manual search of the references that are included in the selected articles. Studies included were: i) randomized clinical trials (RCTs); ii) involving patients with a diagnosis of stroke; and iii) using DNT alone or in a multimodal treatment. Muscular spasticity was the primary outcome of the study. The additional outcomes included were: pressure pain sensitivity, range of motion and perception of pain. The analysis of the certainty of the evidence was analyzed using GRADE. The risk of bias of the included studies was assessed with the Cochrane Risk of Bias Tool for Randomized Controlled Trials.ResultsA total of six RCTs with 221 patients were included in this systematic review, where a significant decrease in spasticity was observed in most of the muscles evaluated, though the certainty of the evidence was low. The effects were only evaluated in the short term in all included studies and the sample size was small.ConclusionThese results should be taken with caution because the included studies are few in number and have different comparators. More RCTs are needed to cover aspects of biases found in the literature, in particular the blinding of participants and personnel.Copyright © 2020 Elsevier Inc. All rights reserved.

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