Analgesic Efficacy of Adding Dexmedetomidine to Erector Spinae Plane Block Versus Subcostal Transverse Abdominis Plane Block in Laparoscopic Cholecystectomy

Patients received an ultrasound-guided subcostal transverse abdominis plane block with injection of 10 ml bupivacaine 0.25 %, 5ml lignocaine 2 % plus 0.5 μg/kg dexmedetomidine in a 20 ml volume.

Patients will receive an ultrasound-guided erector spinae plane block (ESPB) with injection of 10 ml bupivacaine 0.25%, 5 ml lignocaine 2 % plus 0.5 μg/kg dexmedetomidine in a 20 ml volume.