Efficacy of Steroid Injection in Patients With Bifid Median Nerve Diagnosed Carpal Tunnel Syndrome

Condition(s) studied

Investigational drug(s) / intervention(s)

2 cc:(1 cc betamethasone dipropionate+1cc physiological saline): Each patient will receive 2 cc:(1 cc betamethasone dipropionate+1cc physiological saline) perineural injection into the median nerve under US guidance, for 1 session.

Study summary

Various median nerve anatomical variations have been reported in the literature.One of these is the bifid median nerve.Due to its relatively higher cross-sectional area, it can facilitate compression of the median nerve in the carpal tunnel.Therefore, bifid median nerve is relatively common in patients with CTS.Some studies have shown that the bifid median nerve has an effect on surgical failure in the treatment of carpal tunnel syndrome.Apart from surgical treatment, perineural injection with corticosteroids is a treatment method that has been used for a long time in the treatment of mild and moderate carpal tunnel syndrome.It is controversial whether bifid median nerve has a negative effect on treatment effectiveness.When looking at the literature, there is no previous study on this subject.With the introduction of ultrasound into our daily practice, the frequency of ultrasound-guided perineural injections has increased.Ultrasound allowed us to see variations in the median nerve before injection.The aim of the study is to compare the effectiveness of steroid injection in patients with CTS with bifid median nerve and patients with CTS with non-variant median nerve.It is also to investigate whether this anatomical variation has a negative effect on the treatment.

Eligibility

Primary outcome measure(s)

• Visual Analog Scale(VAS) — This evaluation will be made and recorded at the baseline, at the 4th and 12th weeks after the procedure.
  Global pain:The VAS used for pain assessment consists of a line drawn in the form a ruler,and numbers from 0 to 10(with 0 as ''no pain'' and 10 as ''unbearable pain'' ) were asked to score.

Trial sites (1)

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