Abstract
Background
We aimed to determine the prevalence, risk factors, and outcomes of acute kidney injury (AKI) within an ERAS program for colorectal surgery (CRS).
Methods
This is a retrospective case–control study conducted from March 2016 to September 2018 at a single tertiary hospital in Singapore. All adult patients requiring CRS within our ERAS program were considered eligible. Exclusions were stage 5 chronic kidney disease or patients requiring a synchronous liver resection. The primary outcome was AKI as defined by the Kidney Disease Improving Global Outcomes (KDIGO) Acute Kidney Injury Work Group. Secondary outcomes included mortality, major complications, and hospital length of stay. Patient, surgical, and anaesthesia-related data were analysed to determine factors associated with AKI.
Results
A total of 575 patients were eligible for the study. Twenty patients were excluded from the study leaving 555 patients for analysis. Mean age was 67.8 (SD 11.4) years. Seventy-four patients met the criteria for AKI (13.4%: stage 1—11.2%, stage 2—2.0%, stage 3—0.2%). One patient required renal replacement therapy (RRT). Patients with AKI had a longer length of stay (median [IQR], 11.0 [5.0–17.0] days vs 6.0 [4.0–8.0] days; P < .001), more major complications (OR, 6.55; 95% CI, 3.00–14.35, P < .001), and a trend towards higher mortality at one year (OR, 1.44; 95% CI 0.48–4.30; p = 0.511. After multivariable regression analysis, factors associated with AKI were preoperative creatinine (OR, 1.01 per 10 µmol/l; 95% CI, 1.03–1.22; P = 0.01), robotic surgery vs open surgery (OR, 0.15; 95% CI, 0.06–0.39; P < 0.001), anaesthesia duration (OR, 1.38 per hour; 95% CI, 1.22–1.55; P < 0.001), and major complications (OR, 5.55; 95% CI, 2.63–11.70; P < 0.001).
Conclusions
Within the present cohort, the implementation of an ERAS program for CRS was associated with a low prevalence of moderate to severe AKI despite a balanced intravenous fluid regimen. Patients having open surgery, longer procedures, and major complications are at increased risk of AKI.
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P.A. Drakeford has received honoraria from Edwards Lifesciences, S. Tham: Nil disclosures, J. Kwek: Nil disclosures, V. Lim: Nil disclosures, C.J. Lim: Nil disclosures, K.Y. How has received honoraria from Edwards Lifesciences, Baxter Healthcare, MSD Pharma(Sing). O. Ljungqvist is Chairman of the ERAS Society, author of ERAS Guidelines, founder and owner of stock in Encare AB, and has received travel and speakers honoraria from Nutricia, Fresenius-Kabi, and Medtronic, and provided advice to Nutricia, Pharmacosmos, Enhanced Medical Nutrition.
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Drakeford, P.A., Tham, S.Q., Kwek, J.L. et al. Acute Kidney Injury within an Enhanced Recovery after Surgery (ERAS) Program for Colorectal Surgery. World J Surg 46, 19–33 (2022). https://doi.org/10.1007/s00268-021-06343-6
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DOI: https://doi.org/10.1007/s00268-021-06343-6