..., incorrect diagnosis of epilepsy or pharmacological interference resulting in too low blood levels. We were interested to determine the frequency and causes of PPR in patients admitted for presurgical evaluation. Methods: We reviewed 553 drug levels in 199 patients and analyzed the relative frequency...

...Gregor Wieser A brief overview is given on the concepts and methods of presurgical evaluation, as well as on the principles and techniques of surgical treatment of epilepsies. Lesion-oriented surgery is differentiated from epilepsy-oriented lesional surgery and from surgery for epilepsy sensu...