Abstract
The Mullen and Foster method was prospectively applied for individualizing phenytoin dosage in 24 epileptic patients. Accuracy and reliability of the method were assessed by comparing predicted and measured values of plasma phenytoin steady-state concentration. The absolute difference between predicted and measured phenytoin levels was less than 15 percent in 22 of 35 cases (63 percent), between 15 and 25 percent in 8 of 35 cases (23 percent) and more than 25 percent in 6 of 35 cases (17 percent).
Sommario
Il metodo di Mullen e Foster è stato applicato al fine di individualizzare la posologia della fenitoina in 24 pazienti epilettici. Le caratteristiche di precisione ed affidabilità del metodo sono state valutate confrontando le concentrazioni plasmatiche previste con quelle misurate sperimentalmente. La differenza percentuale tra valori e misurati della concentrazione plasmatica di fenitoina è risultata inferiore al 15 per cento in 22 casi su 35 (63 per cento), compresa tra il 15 e il 25 per cento in 8 casi su 35 (23 per cento), superiore al 25 per cento in 6 casi su 35 (17 per cento).
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Valenza, T., Messori, A., Zaccara, G. et al. Clinical application of the Mullen and Foster method for individualizing phenytoin dosage. Ital J Neuro Sci 5, 195–200 (1984). https://doi.org/10.1007/BF02043223
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DOI: https://doi.org/10.1007/BF02043223