Skip to main content

Table 2 Ultrasonic evaluation outcomes at baseline and 3 month after the procedure in two groups

From: Ultrasound-guided needle release of the transverse carpal ligament with and without corticosteroid injection for the treatment of carpal tunnel syndrome

  Group A (N = 25) Group B (N = 25)
  Baseline Postprocedure Baseline Postprocedure
Flattening ratio of median nerve at the level of hamate bone 3.45 ± 0.75 3.18 ± 0.56a 3.42 ± 0.81 3.30 ± 0.41a,b
Cross-sectional area of the MN at the level of pisiform bone (cm2) 0.14 ± 0.02 0.10 ± 0.01a 0.14 ± 0.02 0.12 ± 0.01a,b
TCL thicknesses on the cross-section at the level of hamate bone (cm) 0.31 ± 0.07 0.15 ± 0.06a 0.32 ± 0.04 0.18 ± 0.05a,b
  1. a, vs baseline, P < 0.05; b, vs Group A; Group A, ultrasound-guided needle release of the transverse carpal ligament plus corticosteroid injection; Group B, single ultrasound-guided needle release of the transverse carpal ligament; LR, Left-right; AP, Anteroposterior; MN, median nerve