Salient Aquamantys Spine Trial

The primary objective of the study is to assess the effectiveness of Aquamantys in reducing peri-operative blood loss compared with standard electrocautery Secondary objectives include : * Rate and volume of transfusions * Evaluating the reduction in hemoglobin and hematocrit values post- operatively * LOS costs, and operative time * Gathering operator feedback on qualitative criteria, including ease of use and surgical visualization between the two treatment groups