Pagoulatou A a , Kanellakopoulou K b , Vafiadou M a , Kostakopoulos TH c , Kastriotis I b , Giamarellou H c . a Department of Anesthesia, Sismanoglio General Hospital, Greece , b 4th Department of Internal Medicine, Athens Medical School, Athens, Greece , c Department of Urology, Athens Medical School, Athens, Greece CSF kinetics of Van and Fu were studied in 57 patients who underwent short urological surgery under spinal anesthesia.