Analgesic Efficacy of Paravertebral Morphine

Analgesic Efficacy of Paravertebral Morphine for Acute Postoperative Pain: Randomized Multicenter Clinical Trial

The investigator will test the analgesic efficacy of paravertebral morphine as an adjuvant to local anesthetics for acute postoperative pain following breast surgery and renal surgery

Inclusion criteria

• Adult patients subjected to mastectomy or renal surgery

Exclusion criteria

• Patients complaining of coagulopathies
• Patients with vertebral anomalies