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- Title
The effects of neuromuscular electrical stimulation on strength, pain, and function in individuals with knee osteoarthritis: a systematic review with meta-analysis.
- Authors
Araújo Bispo, Vinícius; Aguillar Ivo Bastos, Júlia; Cadena de Almeida, Camila; Arrais Guida Modesto, Karenina; Ogura Dantas, Lucas; Cipriano Júnior, Gerson; Quagliotti Durigan, João Luiz
- Abstract
We aimed to investigate the effects of neuromuscular electrical stimulation on muscle strength, pain relief, and improvement in function in patients with knee osteoarthritis. Databases were searched from December 2017 to July 2020 and included PubMed, Embase, LILACS, and the Cochrane Central Register of Controlled Trials. A manual search was also performed by checking the reference lists of eligible articles. The PRISMA guidelines were followed. The studies selected compared NMES with an exercise program on isometric muscle strength as a primary outcome. The secondary outcomes were pain and function. The quality of the studies was assessed using the Risk of Bias assessment and PEDro scale, and the overall quality of the evidence was assessed using the GRADE approach. Eight studies were included in this systematic review. A total of 571 patients were analyzed. Neuromuscular electrical stimulation associated with exercise promoted an increase in isometric strength of the quadriceps muscle compared to the active control group, demonstrating heterogeneity and statistical difference (95% CI=1.16 to 5.10, I2=97%, p=0.002; very low-certainty evidence). NMES associated with exercise did not improve physical function (95% CI=-0.37 to 0.59, I2=0%, p=0.67; low-certainty evidence) and showed controversial results for pain compared to an active control group (qualitative assessment). In conclusion, NMES induces an increase in muscle strength in patients with osteoarthritis compared to an active control group. No differences were found for physical function and pain outcomes. Further research is needed due to the uncertain level of evidence.
- Subjects
KNEE osteoarthritis; ONLINE information services; PAIN; META-analysis; MEDICAL information storage &; retrieval systems; INFORMATION storage &; retrieval systems; MEDICAL databases; MUSCLE contraction; CONFIDENCE intervals; SYSTEMATIC reviews; PHYSICAL therapy; HEALTH outcome assessment; FUNCTIONAL assessment; ELECTRIC stimulation; MUSCLE strength; QUALITY assurance; DESCRIPTIVE statistics; MEDLINE; DATA analysis software
- Publication
Fisioterapia e Pesquisa, 2021, Vol 28, Issue 4, p416
- ISSN
1809-2950
- Publication type
Article
- DOI
10.1590/1809-2950/20028528042021