The Comparison of Postoperative Pain After Lumbar Fusion Surgery in Intravenous Patient-controlled Analgesia Between Conventional Mode and Optimizing B.I Mode With 'PAINSTOP' Equipment

Conditions

• Back Pain
• Fusion of Spine, Lumbar Region
• Spinal Stenosis

Interventions

• OTHER: Optimizing basal infusion (B.I)
• OTHER: Conventional PCA mode

Sponsor

Yonsei University