Fifty patients will select prospectively for LC, under low pressure (10 mm Hg) pneumoperitoneum and under combined anesthesia and general anesthesia. Spinal anaesthesia was performed at L1-L2 interspace using 2 ml of 0.5% (10 mg) hyperbaric Bupivacaine mixed with 0.5ml (25 micrograms) of Fentanyl. Epidural catheter was inserted at L1- L2 interspace too.