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Table 2 Procedure-related pain and stimulation parameters

From: Ultrasound-guided percutaneous peripheral nerve stimulation for analgesia following total knee arthroplasty: a prospective feasibility study

  

Procedure-related pain

Stimulation parameters

Subject

Catheter location

(NRS)

Minimum sensation

Maximum tolerable

Optimal settings

   

(μs)

(mA)

(μs)

(mA)

(μs)

(mA)

(Hz)

A

femoral

2

15

6

15

10

15

9

100

sciatic

18

20

18

20

18

20

100

B

femoral

0

15

1

17

20

15

20

100

C

femoral

4

15

10

22

20

15

18

100

sciatic

15

20

200

20

50

20

100

D

femoral

2

15

5

26

20

19

20

100

E

femoral

1

15

1

15

5

15

5

100

Mean

1.8

15

9

45

16

21

16

100

  1. NRS numeric rating scale (0–10)