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31P-MRS des Hirns bei Anorexia nervosa: Charakteristische Unterschiede in den Spektren von Patienten und gesunden Vergleichspersonen

Autor: D. Freesmeyer, Hans-Joachim Mentzel, Silke Klemm, W. A. Kaiser, Jürgen R. Reichenbach, U. J. Gerhard, Stefan O.R. Pfleiderer, B. Blanz, R. Rzanny

Publikováno v: RöFo - Fortschritte auf dem Gebiet der Röntgenstrahlen und der bildgebenden Verfahren. 175:75-82

PURPOSE To investigate whether 31 P-MR spectroscopy can detect reduced concentrations of high-energy phosphates, like PCr and NTP, caused by decreased metabolic activity in the brain of patients with anorexia nervosa (AN) and, furthermore, whether an

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b838a566193775eca27c97fd98c0b2ca
https://doi.org/10.1055/s-2003-36611

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Activación frontal disminuida en esquizofrénicos durante la estimulación con la prueba de ejecución continua: un estudio de imágenes de resonancia magnética funcionales

Autor: J. Pönisch, Werner A. Kaiser, Hans-Joachim Mentzel, F. Häger, Christian Gaser, R. Rzanny, Hans-Peter Volz, H. Sauer

Publikováno v: European psychiatry (Ed. Española). 6:509-518

ResumenLa prueba de ejecución continua (CPT) se ha convertido en un componente esencial de la investigación neuropsicológica de la esquizofrenia. Además, un número considerable de estudios de imágenes cerebrales, en la mayor parte investigacion

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9011b7869513e5f152ffc2bac810709c
https://doi.org/10.1017/s1134066500000710

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Brain activation during cognitive stimulation with the Wisconsin Card Sorting Test — a functional MRI study on healthy volunteers and schizophrenics

Autor: Hans-Joachim Mentzel, F. Häger, Werner A. Kaiser, Heinrich Sauer, Hans-Peter Volz, Christian Gaser, R. Rzanny, I. Kreitschmann-Andermahr

Publikováno v: Psychiatry Research: Neuroimaging. 75:145-157

It has been demonstrated by single photon emission computed tomography (SPECT) and positron emission tomography (PET) that frontal brain regions are stimulated during performance of the Wisconsin Card Sorting Test (WCST). The WCST is also regarded as

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2953e4f57fcb550b60fb60a5d36161f9
https://doi.org/10.1016/s0925-4927(97)00053-x

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Antipsychotic drug effects on left prefrontal phospholipid metabolism: a follow-up 31P-2D-CSI study of haloperidol and risperidone in acutely ill chronic schizophrenia patients

Autor: Alexander Gussew, Kerstin Langbein, R. Rzanny, Juergen R. Reichenbach, Hartmut Peter Burmeister, Heinrich Sauer, Stefan Smesny

Publikováno v: Schizophrenia research. 138(2-3)

Introduction 31 Phosphorous magnetic resonance spectroscopy (2D chemical shift imaging, CSI) allows multiregional study of membrane phospholipids and high-energy phosphates in vivo. Increased membrane lipid turnover and impaired energy supply have re

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e90e9e9cba2b8e3eafb0f2ae36c79f57
https://pubmed.ncbi.nlm.nih.gov/22516552

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[Quantitation of glutamate in the brain by using MR proton spectroscopy at 1.5 T and 3 T]

Autor: A, Gussew, R, Rzanny, H-C, Scholle, W A, Kaiser, J R, Reichenbach

Publikováno v: RoFo : Fortschritte auf dem Gebiete der Rontgenstrahlen und der Nuklearmedizin. 180(8)

The influence of different magnetic field strengths on the quantification of glutamate was experimentally investigated by means of IN VITRO and IN VIVO (1)H-MR spectroscopic measurements at 1.5 T and 3 T.In vitro (1)H-MR measurements of aqueous solut

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::9311be26c1b78401fc69346fa0064845
https://pubmed.ncbi.nlm.nih.gov/18512190

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Metabolic mapping using 2D 31P-MR spectroscopy reveals frontal and thalamic metabolic abnormalities in schizophrenia

Autor: Timm Rosburg, Heinrich Sauer, Sebastian Kunstmann, Igor Nenadic, Hans-Peter Volz, Stefan Smesny, Klaus Peter Fenk, R. Rzanny

Publikováno v: NeuroImage. 35(2)

(31)Phosphorus magnetic resonance spectroscopy ((31)P-MRS) allows in vivo investigation of cerebral phospholipid and energy metabolism. Using 2D chemical shift imaging, this method can be applied to study multiple brain areas and to assess concentrat

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d105f217ccf2a73a743612774ef4bd4a
https://pubmed.ncbi.nlm.nih.gov/17276699

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