Sympathetic Blocks Provided Sustained Pain Relief in a Patient with Refractory Painful Diabetic Neuropathy

Table 1

Sympathetic block-induced changes in temperature and NRS pain score.

Number of blocks (months after initial block)	Temperature				NRS
	Right toe		Left toe		Pre	Post
	Pre	Post	Pre	Post
1 Initial	20.2	33.0	19.7	22.6	5	3
2 (2)	25.3	33.4	24.5	33.2	6	2
3 (4)	24.8	32.6	25.4	34.2	5	1
4 (8)	25.9	34.8	25.2	33.9	3	0
5 (9)	29.2	33.4	25.7	32.7	2	1
6 (13)	24.9	26.3	23.7	19.4	5	4
7 (19)	22.5	33.7	21.5	33.2	5	2
8 (22)	20.2	28.7	20.6	31.3	5	3
9 (26)	28.5	33.0	22.2	33.0	6	2
Average	24.6	32.1	23.2	30.4	4.7	2