Abbas Rakhsha

Department of Neurosurgery, Shiraz University of Medical Sciences, Shiraz, Iran

[ 1 ] - Impact of reconstruction method on quantitative parameters of 99mTc-TRODAT-1 SPECT

Introduction: Quantitative evaluation is recommended to improve diagnostic ability and serial assessment of dopamine transporter (DAT) density scans. We decided to compare the ordered subsets expectation-maximization (OSEM) with filtered back-projection (FBP), and to investigate the impact of different iteration and cut-off frequencies on SBR values. Methods</stro...

[ 2 ] - Preventive Effect of Phenytoin Compared to Levatiracetam on Incidence of Seizure in Children with Shunted Hydrocephalus

Background and purpose: Seizure in children with hydrocephalus is a common neurosurgical problem that may occur after shunting. This study aimed at comparing the preventive effect of phenytoin and levetiracetam in children with shunted hydrocephalus in a referral hospital. Materials and methods: All patients younger than 15 years of age who underwent ventriculoperitoneal (VP) shunt surgery for...