To determine the efficacy of spinal anesthesia with sub diaphragmatic lidocaine for gynecological laparoscopic surgery at the commencement of the procedure to spinal anesthesia for get pain relief Methods: It was a randomized clinical trial conducted at Ali Medical Hospital in Islamabad. A total of 84 patients were given sub diaphragmatic lidocaine spinal anesthesia, only spinal epidural anesthesia and general anesthesia. During procedure, 2, 4, 6 and 12 hours after surgery, and before discharge, patients' pain perception was measured using Visual Analogue Scale (VAS) Results: Outcomes showed no significant difference in perception of pain at different time intervals in all three groups. (F 4, 77 = 0.38, p = 0.81). At all-time intervals following surgery, patients' pain levels were similar between groups (F 2, 77 = 0.53, p = 0.57). Conclusions: The use of sub diaphragmatic lidocaine at the onset of surgery together with the spinal anesthesia did not result in a prominent statistical difference in patients' postoperative VAS scores when compared to general anesthesia and spinal epidural anesthesia after and prenatal invasive techniques.
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