Postoperative Anelgesic Effect of Rhomboid Intercostal Nerve Block Versus Erector Spinae Plane Block

Despite of analgesic effect of intravenous analgesic medications at intraoperative and postoperative time , The regional anesthetic techniquehas more benefits suchbetter control of Acute pain and hence less chronic pain and decreases the need for opioids and analgesics to preserve immune function which responsible for higher rates of infection and local recurrence, even metastasis . New regional anesthetic technique for modified radical mastectomy discovered recently called rhomboid intercostal nerve block that will compared against erector spinae plane block .