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The Val158Met polymorphism of the catechol-O-methyltransference gene is not associated with long-term treatment outcomes in carpal tunnel syndrome: A randomized clinical trial

Abstract: DESIGN: Randomized clinical trial. OBJECTIVE: To investigate the association of the Val158Met polymorphism with pain and function outcomes in women with carpal tunnel syndrome (CTS) who received surgery or manual therapy including desensitization manoeuvres of the central nervous system. METHODS: A pre-planned secondary analysis of a randomized controlled trial investigating the efficacy of manual therapy including desensitization manoeuvres of the central nervous system vs. surgery in 120 women with CTS was conducted. Women were randomized to receive 3 sessions of manual therapy (n = 60) or decompression of the carpal tunnel (n = 60). The primary outcome was intensity of pain (mean pain and the worst pain), and secondary outcomes included function and symptoms severity subscales of the Boston Carpal Tunnel Questionnaire. Outcomes were assessed at baseline, and 1, 3, 6, and 12 months after the intervention. Rs4680 genotypes were determined after amplifying the Val158Met polymorphism by polymerase chain reactions. We classified subjects according to their Val158Met polymorphism: Val/Val, Val/Met, or Met/Met. The primary aim (treatment group*Val158Met*time) was examined with repeated measures ANCOVA with intention-to-treat analysis. RESULTS: At 12 months, 111 (92%) women completed the follow-up. No interaction was observed between the Val158Met genotype and any outcome: mean pain intensity (F = 0.60; P = 0.69), worst pain intensity (F = 0.49; P = 0.61), function (F = 0.12; P = 0.88) or symptom severity (F = 0.01; P = 0.98). CONCLUSION: The current clinical trial did not show an association between the Val158Met polymorphism and changes in pain and function outcomes after either surgery or physical therapy in women with CTS.

Otras publicaciones de la misma revista o congreso con autores/as de la Universidad de Cantabria

 Fuente: PLoS One. 2018 Oct 15;13(10):e0205516

Editorial: Public Library of Science

 Año de publicación: 2018

Nº de páginas: 11

Tipo de publicación: Artículo de Revista

 DOI: 10.1371/journal.pone.0205516

ISSN: 1932-6203

Url de la publicación: https://dx.doi.org/10.1371/journal.pone.0205516

Autores/as

FERNÁNDEZ DE LAS PEÑAS, CÉSAR

AMBITE QUESADA, SILVIA

FAHANDEZH- SADDI DÍAZ, HOMMID

PALACIOS CEÑA, DOMINGO

CUADRADO, MARÍA L.