Comparison of Adding Sufentanil and Low-Dose Epinephrine to Bupivacaine in Spinal Anesthesia: A Randomized, Double-Blind, Clinical Trial

Spinal anesthesia, as an effective approach, is widely performed in various surgeries with possible complications. To reduce the side effects, many adjuvants are used to maintain desirable sensory and motor blockades and increase the quality and prolong the analgesia