Optimal analgesia within an enhanced recovery pathway

Mike Grocott, Joff Lacey, Monty Mythen and Julie Thacker react to the American Society for Enhanced Recovery (ASER) and Perioperative Quality Initiative (POQI) joint consensus statement on optimal analgesia within an enhanced recovery pathway for colorectal surgery. What is "optimal analgesia" and how rapidly should a patient "return to normal"? The links to the papers are here: Part 1: https://perioperativemedicinejournal.biomedcentral.com/articles/10.1186/s13741-017-0064-5 Part 2: https://perioperativemedicinejournal.biomedcentral.com/articles/10.1186/s13741-017-0063-6