Evaluation Of Liver Resection Using Harmonic Scalpel Versus Cavitron Ultrasonic Surgical Aspirator (CUSA).

In-group A Cavitron Ultrasonic Surgical Settings Aspirator (CUSA) with standard tip was used for parenchymal transection with the following Settings; 23 kHz, 70 Watt, and continuous irrigation at rate of 4-6 ml/min with normal saline and the vessel coagulation was performed by the bipolar sealer (Valleylab force FX electrosurgical generator, Medtronic, Minneapolis, USA), the power was used at 50 Watt coagulation.

In group B the harmonic scalpel (Ethicon EndoSurgery, Johnson \& Johnson, New Jersey, USA) was set at a high power, and blood vessels or bile ducts up to 3-4 mm in diameter were coagulated for 5-6 seconds.