Letter to the Editor: Single-injection or Continuous Femoral Nerve Block for Total Knee Arthroplasty?

To the editor, I read the study by Albrecht et al. [1] with great interest. The authors should be commended for attempting to answer the complex question of whether there is any benefit of continuous femoral nerve block over a single shot nerve block. Clearly this was one of the major unanswered questions in the meta-analysis from Paul et al. [3]. However, there seem to be several problems with this study. First, their choice of ropivacaine...