Feb 1, 1985

Pharmacokinetics and clinical toxicity of quinine overdosage: lack of efficacy of techniques intended to enhance elimination

The Quarterly Journal of Medicine
D N BatemanA T Proudfoot

Abstract

We report clinical details in 16 cases of quinine poisoning. Plasma quinine concentrations above 15 mg/l were associated with increased risks of permanent visual damage and of cardiac arrhythmias from which one of our patients died. The rate of quinine elimination was not significantly altered by forced acid diuresis in five patients (t 1/2 25.1 +/- SEM 4.6 h) as compared to eight patients treated conservatively (t 1/2 26.5 +/- SEM 5.78 h). Neither urinary pH or flow rate correlated consistently with urinary quinine clearance. In three other patients charcoal column haemoperfusion, haemodialysis and exchange transfusion were performed. These were also ineffective in increasing quinine elimination. It is concluded that techniques advocated to increase quinine elimination are ineffective in the management of quinine poisoning.

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Mentioned in this Paper

Hemodialysis
Diuresis
Poisoning
Quinbisan
Half-Life
Hemoperfusion
Cardiac Arrhythmia
Exchange Transfusion, Whole Blood

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