Research Article
[Retracted] Effects of Continuous Infusion of Lidocaine under Ultrasound-Guided Cervical Sympathetic Ganglion Catheterization on Cerebral Hemodynamics and Thermal Imaging Characteristics of Head and Neck in Patients with Angioneurotic Headache
Figure 1
Comparison of postoperative headache in two groups of patients. (a) The number of headaches. (b) NRS score. (c) The duration of each headache. Compared with the control group, ; compared with preoperative, ; compared with T1, ; compared with T3, .
(a) |
(b) |
(c) |