ASSOCIATION BETWEEN THE CATECHOL-O-METHYLTRANSFERASE Val158Met POLYMORPHISM WITH SUSCEPTIBILITY AND SEVERITY OF CARPAL TUNNEL SYNDROME
Erkol İnal E1,*, Eroğlu P2, Görükmez O3, Özemri Sağ Ş4, Yakut T4
*Corresponding Author: Dr. Esra Erkol İnal, Department of Physical Medicine and Rehabilitation, Süleyman Demirel University, Faculty of Medicine, Afyon yolu, Çünür, Isparta, Turkey. Tel: +90-246-211-9280. GSM: +90-507-563-6511. Fax: +90-246-211-2830. E-mail: esraerkol@hotmail.com
page: 43
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Abstract

Carpal tunnel syndrome (CTS) is the most common entrapment neuropathy of the upper extremity. In this study, we aimed to clarify the relationships between the catechol-O-methyltransferase (COMT) gene Val158Met (rs4680) polymorphism and development, functional and clinical status of CTS. Ninetyfive women with electro diagnostically confirmed CTS and 95 healthy controls were enrolled in the study. The functional and clinical status of the patients was measured by the Turkish version of the Boston Questionnaire and intensity of pain related to the past 2 weeks was evaluated on a visual analog scale (VAS). The Val158Met polymorphism was determined using the polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP), method. We divided patients according to the genotypes of the Val158Met polymorphism as Val/Val, Val/Met and Met/Met. There were not any significant differences in terms of Val158Met polymorphisms between patients and healthy controls (p >0.05). We also did not find any relationships between the Val158Met polymorphism and functional and clinical status of CTS (p >0.05). In conclusion, although we did not find any relationships between CTS and the Val158Met polymorphism, we could not generalize this result to the general population. Future studies are warranted to conclude precise associations.



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