Overview Study About Effect of Preoperative Bowel Preparation Versus no Bowel Preparation Before Spinal Surgery Status: Completed Trial end date: 2009-12-01 Target enrollment: Participant gender: Summary This study investigated the effect of preoperative bowel preparations for patients undergoing spinal fusion surgery. Phase: Phase 4 Details Lead Sponsor: Oslo University HospitalTreatments: BisacodylBismuth subsalicylateSorbitol