1. Comparative evaluation of the visibility and block characteristics of a stimulating needle and catheter vs an echogenic needle and catheter for sciatic nerve block with a low- frequency ultrasound probe 
J. Brookes, R. Sondekoppam, K. Armstrong, V. Uppal, S. Dhir, M. Terlecki, S. Ganapathy 
British Journal of Anaesthesia 
Volume 115, Issue 6, Pages (December 2015)
DOI: /bja/aev351
Copyright © 2015 The Author(s) Terms and Conditions

2. Fig 1
CONSORT diagram.
British Journal of Anaesthesia  , DOI: ( /bja/aev351)
Copyright © 2015 The Author(s) Terms and Conditions

3. Fig 2
Ultrasound image of the sciatic nerve in short axis at the level of the greater trochanter.
British Journal of Anaesthesia  , DOI: ( /bja/aev351)
Copyright © 2015 The Author(s) Terms and Conditions

4. Fig 3
Colour Doppler signal shown immediately superficial and lateral to the sciatic nerve as solution is injected through the catheter to demonstrate catheter tip position.
British Journal of Anaesthesia  , DOI: ( /bja/aev351)
Copyright © 2015 The Author(s) Terms and Conditions

5. Fig 4
The sciatic nerve shown in short axis (left image) and long axis (right image) surrounded by hypoechoic local anaesthetic after completion of injection through the catheter.
British Journal of Anaesthesia  , DOI: ( /bja/aev351)
Copyright © 2015 The Author(s) Terms and Conditions

6. Fig 5
Kaplan–Meier survival plots for overall onset (a) and completion of block (b). The incomplete blocks are represented as procedures terminating at 50 min for graphical representation.
British Journal of Anaesthesia  , DOI: ( /bja/aev351)
Copyright © 2015 The Author(s) Terms and Conditions