Abstract
Since there is no widely used causal means of reducing the severity of massive digitalis intoxication the capability of hemoperfusion with coated activated charcoal to remove toxicologically relevant amounts of digoxin and digitoxin was evaluated in vitro and in man. At a blood flow rate of 100 ml/min the digoxin clearance by hemoperfusion in vitro was 51 +/- 8 ml/min in comparison to 24.3 +/- 11.3 ml/min by hemodialysis. The average hemoperfusion clearance of digitoxin was 31.7 +/- 13.4 ml/min, whereas almost no digitoxin was removed by hemodialysis. These clearance values point to the ability of hemoperfusion of eliminating digitalis glycosides from the blood. They do not clarify the essential question whether it is possible to lower the toxic concentrations in the tissues.
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