• D Jacobsen, T P Hewlett, R Webb, S T Brown, A T Ordinario, and K E McMartin.
• Department of Pharmacology, Louisiana State University Medical Center, Shreveport 71130-3932.
• Am. J. Med. 1988 Jan 1; 84 (1): 145-52.

AbstractEthylene glycol and glycolate kinetics were studied in two cases of ethylene glycol intoxication with maximal ethylene glycol/glycolate concentrations of 40.9/26.8 and 56.4/22.4 mmol/liter, respectively. Both patients survived, but with prolonged renal failure, upon treatment with bicarbonate, ethanol, and hemodialysis. Glycolic acid was the major cause of the metabolic acidosis in both cases; lactate levels were only slightly elevated. Kinetic calculations showed that both ethylene glycol and glycolate were distributed in total body water with plasma half-lives of 8.4 and 7.0 hours, respectively. The half-life of ethylene glycol was increased more than 10-fold by ethanol treatment alone. Calcium oxalate monohydrate crystalluria was dominant in both cases, but in one was preceded by a short period with mainly dihydrate excretion; crystalluria was not present upon admission. Repetitive urine microscopy in search of needle- or envelope-shaped crystals should be performed when ethylene glycol intoxication is suspected.

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