Jensen B H, Ruhwald H, Berthelsen P, Bröchner-Mortensen J
Acta Anaesthesiol Scand. 1978;22(1):13-5. doi: 10.1111/j.1399-6576.1978.tb01273.x.
Pre- and preoperative determination of glomerular filtration rate (GFR) was performed in 10 patients operated on during enflurane anaesthesia. The mean GFR decreased significantly by 21%. The decrease in GFR is of the same order of magnitude as that reported for most general anaesthetics.