Comparison of Two Pain-treatment Techniques After Tympanomastoid Surgery Pain

Tramadol infusion (PCA): 400 mg tramadol, IV 4 mg/mL tramadol solution into 100 mL normal saline; PCA settings: 0.3 mg/kg bolus, 10 mg Demand dose and 20 min lock out interval, six-hour limit infusion to attain 100 mg. Maximum daily dose was set at 400 mg.

ultrasound guided superficial cervical plexus blockage with 10 ml % 0.25 bupivacaine

ultrasound guided Great Auricular nerve blockage with 5 ml % 0.25 bupivacaine +IV patient-controlled analgesia (PCA) tramadol