Cardiovascular response to Gasserian ganglion ablation on trigeminal neuralgia under local anesthesia: a retrospective single-blind case–control study

Table 2 Mean arterial blood pressure during the treatment for trigeminal neuralgia

	Study group	Placebo group	p^a
Preoperative MAP	100.1 ± 1.0	99.0 ± 1.1	0.461
The end of puncture MAP	108.0 ± 1.2^ab	100.6 ± 0.9	< 0.001
Radiofrequency treatment at 60℃MAP	108.9 ± 1.7^b	105.9 ± 1.2	0.280
Radiofrequency treatment at 65℃MAP	113.2 ± 1.2^b	115.3 ± 5.1	0.197
Radiofrequency treatment at 70℃MAP	114.8 ± 1.3^ab	118.8 ± 1.1	0.021
Radiofrequency treatment at 75℃MAP	113.8 ± 0.9^ab	121.7 ± 1.5	< 0.001
Postoperative MAP	103.7 ± 1.2^b	101.2 ± 1.0	0.114

^aPaired t-test; there was a statistical difference between the groups
^bStudent's t-test; there was a statistical difference between the baseline and post-surgery for the study group

ISSN: 1471-2253