NEAL L. BENOWITZ, M.D.; JON ROSENBERG, M.D.; SUSAN POND, M.D.
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To the editor: The article "Resin Hemoperfusion for Treatment of Ethchlorvynol Overdose" by Lynn and coworkers (1) concludes that resin hemoperfusion is a useful procedure in treating ethchlorvynol intoxication. We agree with that conclusion but question some of the assumptions and specific conclusions made in evaluation of the performance of the cartridge.
We recently studied resin hemoperfusion for ethchlorvynol overdose at San Francisco General Hospital Medical Center (2). As part of that evaluation we studied ethchlorvynol clearance across and uptake by the Amberlite XAD-4 Cartridge (Extracorporeal Medical Specialties, Inc., King of Prussia, Pennsylvania), and also plasma ethchlorvynol concentrations before, during,
BENOWITZ NL, ROSENBERG J, POND S. Resin Hemoperfusion for Ethchlorvynol. Ann Intern Med. ;92:435–437. doi: 10.7326/0003-4819-92-3-435_2
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Published: Ann Intern Med. 1980;92(3):435-437.
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