Research Article

Application of Nalbuphine in Trigeminal Ganglion Pulse Radiofrequency Surgery in Patients with Postherpetic Neuralgia

Figure 5

Number of breakthrough pain. (a) Number of breakthrough pain 24 h before surgery; (b) number of breakthrough pain 24 h after surgery. Nalbu, nalbuphine; KT, ketorolac tromethamine; (h) hours. n = 15 for each group, .
(a)
(b)