Pharmacokinetics of zidovudine (azidothymidine, AZT) were investigated after oral administration (300 mg every 8 hours) in a human immunodeficiency virus seropositive patient who was also treated with plasma exchange (60 ml/kg). Plasma AZT concentrations were measured using high performance liquid c
Phenytoin removal during plasma exchange
โ Scribed by Roger L. White; William R. Garnett; Jody H. Allen; Berry J. Kline; David E. Sharp
- Publisher
- John Wiley and Sons
- Year
- 1987
- Tongue
- English
- Weight
- 345 KB
- Volume
- 3
- Category
- Article
- ISSN
- 0733-2459
No coin nor oath required. For personal study only.
โฆ Synopsis
Plasma exchange is currently being used to treat a variety of disorders including immune complex and hematologic disorders. It has been shown that the removal of plasma removes drugs bound to plasma proteins. This case documents the removal of phenytoin during plasma exchange therapy. Total and free phenytoin serum concentrations were obtained before and after each exchange. Aliquots were obtained from each pass, and total phenytoin concentrations were determined. The total phenytoin serum concentration increased during the first exchange, while the total concentration decreased as a result of the second exchange. It was determined that approximately 27.7 nig and 30.4 mg of phenytoin were removed by the first and second plasma exchanges, respectively.
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