TY - JOUR T1 - Secular trends in acute dialysis after elective major surgery — 1995 to 2009 JF - Canadian Medical Association Journal JO - CMAJ SP - 1237 LP - 1245 DO - 10.1503/cmaj.110895 VL - 184 IS - 11 AU - Nausheen F. Siddiqui AU - Steven G. Coca AU - Philip J. Devereaux AU - Arsh K. Jain AU - Lihua Li AU - Jin Luo AU - Chirag R. Parikh AU - Michael Paterson AU - Heather Thiessen Philbrook AU - Ron Wald AU - Michael Walsh AU - Richard Whitlock AU - Amit X. Garg Y1 - 2012/08/07 UR - http://www.cmaj.ca/content/184/11/1237.abstract N2 - Background: Acute kidney injury is a serious complication of elective major surgery. Acute dialysis is used to support life in the most severe cases. We examined whether rates and outcomes of acute dialysis after elective major surgery have changed over time.Methods: We used data from Ontario’s universal health care databases to study all consecutive patients who had elective major surgery at 118 hospitals between 1995 and 2009. Our primary outcomes were acute dialysis within 14 days of surgery, death within 90 days of surgery and chronic dialysis for patients who did not recover kidney function.Results: A total of 552 672 patients underwent elective major surgery during the study period, 2231 of whom received acute dialysis. The incidence of acute dialysis increased steadily from 0.2% in 1995 (95% confidence interval [CI] 0.15–0.2) to 0.6% in 2009 (95% CI 0.6–0.7). This increase was primarily in cardiac and vascular surgeries. Among patients who received acute dialysis, 937 died within 90 days of surgery (42.0%, 95% CI 40.0–44.1), with no change in 90-day survival over time. Among the 1294 patients who received acute dialysis and survived beyond 90 days, 352 required chronic dialysis (27.2%, 95% CI 24.8–29.7), with no change over time.Interpretation: The use of acute dialysis after cardiac and vascular surgery has increased substantially since 1995. Studies focusing on interventions to better prevent and treat perioperative acute kidney injury are needed. ER -