But the whole argument for exparel is based off a comparison to catheters that last 36 or 48 or 72 hours. I personally find it puzzling that a number of folks that I respect have found exparel to work successfully while another number of folks that I respect have a vehement disregard for it.
And the truth is there are actually no randomized clinical trials out there showing that exparel doesn't work. Which is also quite puzzling, you'd think a busy academic center could just randomize patients to catheter vs exparel vs plain bupi and see what happens. Instead it's all intercostal nerve blocks and penile blocks that folks are publishing on, all techniques that are pretty irrelevant to our day to day and are traditionally blocks that are difficult to assess (intercostal).