Commentary
Abstract
Vol. 12, No. 4, 1998 Epidural analgesia following abdominal aortic surgery 363 tients with cardiac risk factors. Can J Anaesth 1993;40:532- ing total hip replacement: A prospective investigation of 94 541. patients with emphasis on the efficacy of lumbar epidural 3. Bredtmann RD, Herden HN, Teichmann W, et al, Epidural anesthesia in prophylaxis. Reg Anesth 1988; 11:72-79. analgesia in colonic surgery: Results of a randomized pro- 12. Mulray MF. Monitoring opioids. Reg Anesth 1996;21(65):...