The importance of perfusion index monitoring in evaluating the efficacy of stellate ganglion blockage treatment in Raynaud’s disease

Figures & data

Table 1. Demographic data.

	N = 40
Sex Male-Female	13–27 (32.5–67.5%)
Age (years)	19–55 (29.3)
Weight (kg)	49–86 (66.4)
Height (cm)	154–184 (166.6)
Disease duration (years)	1–12 (4.6)
BMI (kg/m^2)	18.4–32.1 (23.9)

Data shown are total number, percentage, or range (mean).

BMI: Body mass index

Table 2. PI measurement values at each session.

	1st session	2nd session	3rd session	4th session	5th session
Baseline	1.45 ± 0.15	1.56 ± 1.01	1.59 ± 1.42	1.70 ± 1.09	1.70 ± 1.06
5 min	2.36 ± 0.30	2.24 ± 1.03	2.76 ± 2.25	2.81 ± 1.65	3.13 ± 1.88
15 min	2.86 ± 0.27	2.83 ± 2.00	2.78 ± 1.70	3.15 ± 1.55	3.18 ± 1.64
30 min	2.70 ± 0.21	2.55 ± 1.33	2.50 ± 1.69	2.69 ± 1.42	3.11 ± 1.63
60 min	2.76 ± 0.24	2.24 ± 1.08	2.51 ± 1.33	2.35 ± 1.01	2.69 ± 1.69
120 min	2.41 ± 0.19	2.27 ± 1.17	2.71 ± 1.81	2.55 ± 1.48	2.62 ± 1.48
	F = 10.98	F = 7.34	F = 6.12	F = 13.01	F = 10.47
	p = 0.001*	p = 0.001*	p = 0.001*	p = 0.001*	p = 0.001*
	p < 0.05	p < 0.05	p < 0.05	p < 0.05	p < 0.05

* Significant at P value of 0.05

Table 3. Pre- and post-treatment values.

	Pre-treatment	2 weeks post-treatment	Result
PI	1.43 ± 0.98*	2.24 ± 1.25	t = 3.74 p = 0.001
SpO2	97.75 ± 1.16	97.29 ± 1.32	t = 1.37 p = 0.171
VAS	3.80 ± 1.57*	3.00 ± 1.15	p = 0.001
Pulse	92.27 ± 10.54	90.20 ± 13.11	t = 0.76 p = 0.441

* Significant at P value of 0.05

Figure 1. The change in PI values at different time points during the treatment sessions (y axis).