The Effect of Trigeminal Ganglion Block on Trigeminocardiac Reflex in Elderly Patients with Trigeminal Neuralgia Undergoing Percutaneous Balloon Compression: A Randomized Controlled Study

Figures & data

Figure 1 The image of trigeminal ganglion block and trigeminal ganglion compression. (A) Trigeminal ganglion block was performed under radiation. (B) The inflated balloon compressed the trigeminal ganglion.

Table 1 Patients’ Characteristics of the Study

Characteristic	Control Group	Study Group	P
Age (mean ± SD) (y)	65.32 ± 9.03	63.17 ± 8.26	0.26
Height (mean ± SD) (cm)	163.66 ± 8.68	161.32 ± 7.65	0.20
Weight (mean ± SD) (kg)	68.92 ± 12.14	65.85 ± 12.19	0.26
Sex
Males [n (%)]	22(53.7)	18(43.9)	0.38
Females [n (%)]	19(46.3)	23(56.1)
Laterality
Right-sided pain [n (%)]	21(51.2)	23(56.1)	0.66
Left-sided pain [n (%)]	20(48.8)	18(43.9)
ASA grade
II [n (%)]	32(78.0)	35(85.4)	0.39
III [n (%)]	9(22.0)	6(14.6)
Health status
Hypertension [n (%)]	13(31.7)	14(34.1)	0.81
Diabetes mellitus [n (%)]	7(17.7)	9(22.0)	0.58

Abbreviation: ASA, American Society of Anesthesiologists.

Figure 2 The study flow chart.

Figure 3 Changes in HR and MAP at seven time-points. (A) HR. (B) MAP. ^#P<0.05, study group compared with the control group. *P<0.05, T5 and T6 compared with T4.

Table 2 The Incidence of Bradycardia in the Control Group and Study Group

	Total Number		Moderate Bradycardia	Severe Bradycardia	Total Number	P
	of Patients (n)		(<50 Beats/Min)	(<40 Beats/Min)	n(%)
Control group, n (%)	41	T5	4(9.8)	3(7.3)	7(17.1)	<0.05
		T6	4(9.8)	3(7.3)	7(17.1)
Study group, n (%)	41	T5	0	0	0
		T6	0	0	0
Total number, n	82		8(19.5)	6(14.6)	14(34.2)