Search Results - "Overweg, J."

Integrating a 1.5 T MRI scanner with a 6 MV accelerator: proof of concept by Raaymakers, B W, Lagendijk, J J W, Overweg, J, Kok, J G M, Raaijmakers, A J E, Kerkhof, E M, van der Put, R W, Meijsing, I, Crijns, S P M, Benedosso, F, van Vulpen, M, de Graaff, C H W, Allen, J, Brown, K J

“…At the UMC Utrecht, The Netherlands, we have constructed a prototype MRI accelerator. The prototype is a modified 6 MV Elekta (Crawley, UK) accelerator next to…”
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Eight-channel transmit/receive body MRI coil at 3T by Vernickel, P., Röschmann, P., Findeklee, C., Lüdeke, K.-M., Leussler, Ch, Overweg, J., Katscher, U., Grässlin, I., Schünemann, K.

“…Multichannel transmit magnetic resonance imaging (MR) systems have the potential to compensate for signal‐intensity variations occurring at higher field…”
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Individualised prediction of seizure recurrence and long-term outcome after antiepileptic drug withdrawal by Lamberink, H.J, Otte, W.M, Geerts, A.T, Pavlovic, M, Ramos-Lizana, J, Marson, A.G, Overweg, J, Sauma, L, Specchio, L.M, Cardoso, T.M.O, Shinnar, S, Schmidt, D, Geleijns, K, Braun, K.P

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A Multicenter, Randomized Clinical Study to Evaluate the Effect on Cognitive Function of Topiramate Compared with Valproate as Add‐On Therapy to Carbamazepine in Patients with Partial‐Onset Seizures by Aldenkamp, A. P., Baker, G., Mulder, O. G., Chadwick, D., Cooper, P., Doelman, J., Duncan, R., Gassmann‐Mayer, C., Haan, G. J., Hughson, C., Hulsman, J., Overweg, J., Pledger, G., Rentmeester, T. W., Riaz, H., Wroe, S.

“…Purpose: This study compares the cognitive effects of topiramate (TPM) with those of valproate (VPA) using efficacious doses of each drug when used as…”
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TH‐E‐BRA‐10: The 1.5 T MRI Accelerator for MRI during Radiation Delivery: Status Report by Raaymakers, B, Lagendijk, J, Crijns, S, Kok, J, van Vulpen, M, Overweg, J, Knox, C, Brown, K

“…Purpose: We have developed and built a prototype ring based accelerator around a 1.5 T MRI system for MRI guided radiation therapy. Methods: The design is a…”
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Installation of the 1.5 T MRI accelerator next to clinical accelerators: impact of the fringe field by Kok, J G M, Raaymakers, B W, Lagendijk, J J W, Overweg, J, de Graaff, C H W, Brown, K J

“…In the UMC Utrecht a prototype MRI accelerator has been installed to investigate the feasibility of real-time, MRI guided radiotherapy. The system consists of…”
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INSTALLATION OF 1.5 T MRI ACCELERATOR NEXT TO CLINICAL ACCELERATORS: IMPACT OF FRINGE FIELD by Kok, J, Raaymakers, B, Welleweerd, H, de Graaff, N, Overweg, J, Brown, K, Lagendijk, J

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WE‐D‐BRC‐04: MR‐XRT at 1.5T, the UMC Utrecht Hybrid MRI Linac System by Lagendijk, J, Raaymakers, B, Overweg, J, Kok, J, Kerkhof, E, Raaijmakers, A, van der Put, R, Meijsing, I, Crijns, S, Benedosso, F, van Vulpen, M, Brown, K

“…At the UMC Utrecht, the Netherlands we have constructed a prototype MRI accelerator. The design is a 6 MV Elekta (Crawley, U.K.) Compact accelerator combined…”
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INTEGRATED 1.5 T MRI AND ACCELERATOR: PROOF OF CONCEPT FOR REAL-TIM E MRI GUIDED RADIOTHERAPY by Raaymakers, B, Lagendijk, J, Overweg, J, Kok, J, Raaijmakers, A, Kerkhof, E, van der Put, R, Meijsing, I, Crijns, S, Benedosso, F, van Vulpen, M, de Graaff, N, Allen, J, Brown, K

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SU‐GG‐J‐60: Constructing a 6 MV Radiotherapy Accelerator with Integrated 1.5T MRI functionality: Status Report by Raaymakers, BW, Lagendijk, JJW, Raaijmakers, AJE, Kerkhof, EM, van der Put, R, 1, JGM Kok, van Dijk, I, van Vulpen, M, Overweg, J, Brown, K

“…Radiotherapy is increasingly dependent on image data for treatmentpreparation, delivery, response assessment and follow‐up. In collaboration with Elekta,…”
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MO‐E‐J‐6B‐03: In Room Magnetic Resonance Imaging Guided Radiotherapy (MRIgRT) by Lagendijk, J, Raaymakers, B, van der Heide, U, Overweg, J, Brown, K, Bakker, C, Raaijmakers, A, Vulpen, M, Welleweerd, J, Jürgenliemk‐Schulz, I

“…Precise, soft‐tissue based, on‐line position verification and treatment monitoring is a prerequisite for image guided radiotherapy (IGRT). The system being…”
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Withdrawal of antiepileptic drugs (AEDs) in seizure-free patients, risk factors for relapse with special attention for the EEG by Overweg, J.

“…When a patient has remained free from seizures for several years while taking antiepileptic drugs (AED) the question arises whether or not the medication can…”
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Neuropsychological aspects of learning disabilities in epilepsy by Aldenkamp, A P, Alpherts, W C, Dekker, M J, Overweg, J

“…Cognitive impairment is regarded as the link between epileptic conditions and the inability to learn in school. The neuropsychological approach to learning…”
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Effect of epilepsy, seizures and epileptiform EEG discharges on cognitive function by Aldenkamp, A P, Overweg, J, Gutter, T, Beun, A M, Diepman, L, Mulder, O G

“…Patients with an established diagnosis of epilepsy were included in three groups on the basis of the absence (Group 2) or presence (Group 3) of epileptiform…”
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MO‐F‐CAMPUS‐J‐04: Radiation Heat Load On the MR System of the Elekta Atlantic System by Towe, S, Roberts, D, Overweg, J, Van Lanen, E

“…Purpose: The Elekta Atlantic system combines a digital linear accelerator system with a 1.5T Philips MRI machine.This study aimed to assess the energy…”
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Transient loss of consciousness : the value of the history for distinguishing seizure from syncope by HOEFNAGELS, W.A . J, PADBERG, G. W, OVERWEG, J, VAN DER VELDE, E. A, ROOS, R. A. C

“…We studied 94 consecutive patients (age 15 or over) to investigate which aspects of the history and clinical findings help to distinguish seizures from syncope…”
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Clinical and EEG prediction of seizure recurrence following antiepileptic drug withdrawal by Overweg, J, Binnie, C D, Oosting, J, Rowan, A J

“…A prospective study is reported of antiepileptic drug withdrawal in 62 neurologically intact adult patients who had become seizure-free at least 3 years…”
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Double-blind crossover trial of lamotrigine (Lamictal) as add-on therapy in intractable epilepsy by Binnie, C D, Debets, R M, Engelsman, M, Meijer, J W, Meinardi, H, Overweg, J, Peck, A W, Van Wieringen, A, Yuen, W C

“…A double-blind, placebo-controlled trial is reported of lamotrigine as add-on treatment in therapy-resistant epilepsy. A within-patients serial design was…”
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Cognitive side-effects of phenytoin compared with carbamazepine in patients with localization-related epilepsy by Aldenkamp, A P, Alpherts, W C, Diepman, L, van 't Slot, B, Overweg, J, Vermeulen, J

“…In continuation of an earlier study of our group (Neurology, 43 (1) (1993) 41-51), we present the results of an investigation of the adverse effects of…”
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Double-blind placebo-controlled trial of flunarizine as add-on therapy in epilepsy by Overweg, J, Binnie, C D, Meijer, J W, Meinardi, H, Nuijten, S T, Schmaltz, S, Wauquier, A

“…In a therapy-resistant epileptic population with partial complex seizures with or without secondary generalization, addition of flunarizine to existing therapy…”
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