Ultrasound-guided Erector Spinae Plane Block Versus Paravertebral Block for Perioperative Analgesia in Patients Undergoing Open Splenectomy
Conditions
Interventions
- PROCEDURE: ultrasound guided erector spinae plane block
- PROCEDURE: ultrasound guided paravertebral block
- DRUG: conventional analgesia
Sponsor
Ain Shams University