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Abstract
The study showed that PVB provide better postoperative pain control, less opioids consumption and less postoperative nausea and vomiting. It demonstrated that a postoperative PVB is a feasible and effective method for an improved postoperative pain treatment after abdominal surgery. P value was < 0.001. was performed in National Cancer Institute (Cairo University). Forty patients were enrolled in this study, were randomly divided into two equal groups. Each group has 20 patients (n= 20). has demonstrated its superiority over standard medical therapy for postoperative pain control. The use of ultrasound for the placement of nerve blocks has proved its efficacy in clinical practice with more intense analgesia and less side effects