Effects of Postoperative Continuous Femoral Nerve Block Analgesia with Braun Continuous Peripheral Nerve Block Catheter Set versus Novel Needle-Over-Cannula after Total Knee Arthroplasty

Answers are grounded in this paper and cite their sources.

• What was the primary endpoint, and how big was the effect?
• What are the main limitations?
• How does this compare with earlier trials?