Evaluation of the hippocampus and the anterior cingulate gyrus by proton MR spectroscopy in patients with post-traumatic stress disorder
Previous studies have shown that post-traumatic stress disorder (PTSD) is associated with lymbic system dysfunction. The purpose of this study is to evaluate whether or not the neuronal integrity in hippocampus and anterior cingulate gyrus is affected in PTSD as assessed by proton magnetic resonance...
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| Veröffentlicht in: | Diagnostic and interventional radiology (Ankara, Turkey) Turkey), 2005-09, Vol.11 (3), p.125-129 |
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| creator | Mahmutyazicioğlu, Kamran Konuk, Numan Ozdemir, Hüseyin Atasoy, Nuray Atik, Levent Gündoğdu, Sadi |
| description | Previous studies have shown that post-traumatic stress disorder (PTSD) is associated with lymbic system dysfunction. The purpose of this study is to evaluate whether or not the neuronal integrity in hippocampus and anterior cingulate gyrus is affected in PTSD as assessed by proton magnetic resonance spectroscopy.
Single voxel MRS was performed in 10 PTSD patients and 6 healthy subjects in two cerebral areas highly involved in the pathophysiology of PTSD (the hippocampus and the anterior cingulate gyrus). Spectra were obtained using PRESS sequence. Voxel sizes were 3.7 cm3 (hippocampus) and 6-7.2 cm3 (anterior cingulate gyrus). Metabolite ratios of NAA/Cr and Cho/Cr were calculated and compared to the control subjects. The severity of PTSD in the patient group was evaluated by Clinician-Administered PTSD Scale.
Analysis of the proton MR spectra showed reductions in NAA/Cr ratio in bilateral hippocampus of PTSD subjects as compared to normal controls (p < 0.001), whereas Cho/Cr ratios were increased (p < 0.001). Reductions in NAA/Cr ratio were found in the the anterior cingulate gyrus of PTSD subjects as compared to normal controls (p < 0.01), whereas Cho/Cr ratios did not differ significantly (p > 0.05).
Changes in the metabolite ratios provide support for either neuronal dysfunction or neuronal loss both in the hippocampus and the anterior cingulate gyrus and may be associated with reduced neuronal integrity. Further studies with MRS in larger patient populations are needed to clarify the relationship between brain structures and neurobiology of PTSD. |
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Single voxel MRS was performed in 10 PTSD patients and 6 healthy subjects in two cerebral areas highly involved in the pathophysiology of PTSD (the hippocampus and the anterior cingulate gyrus). Spectra were obtained using PRESS sequence. Voxel sizes were 3.7 cm3 (hippocampus) and 6-7.2 cm3 (anterior cingulate gyrus). Metabolite ratios of NAA/Cr and Cho/Cr were calculated and compared to the control subjects. The severity of PTSD in the patient group was evaluated by Clinician-Administered PTSD Scale.
Analysis of the proton MR spectra showed reductions in NAA/Cr ratio in bilateral hippocampus of PTSD subjects as compared to normal controls (p < 0.001), whereas Cho/Cr ratios were increased (p < 0.001). Reductions in NAA/Cr ratio were found in the the anterior cingulate gyrus of PTSD subjects as compared to normal controls (p < 0.01), whereas Cho/Cr ratios did not differ significantly (p > 0.05).
Changes in the metabolite ratios provide support for either neuronal dysfunction or neuronal loss both in the hippocampus and the anterior cingulate gyrus and may be associated with reduced neuronal integrity. Further studies with MRS in larger patient populations are needed to clarify the relationship between brain structures and neurobiology of PTSD.</description><identifier>ISSN: 1305-3825</identifier><identifier>EISSN: 1305-3612</identifier><identifier>PMID: 16206051</identifier><language>eng</language><publisher>Turkey: Aves Yayincilik Ltd. STI</publisher><subject>Adult ; Araştırma teknikleri ; Case-Control Studies ; Değerlendirme çalışmaları ; Evaluation Studies ; Female ; Girus singuli ; Gyrus Cinguli ; Gyrus Cinguli - pathology ; Hipokampus ; Hippocampus ; Hippocampus - pathology ; Humans ; Investigative techniques ; Magnetic Resonance Imaging ; Magnetic Resonance Spectroscopy ; Magnetik rezonans spektroskopi ; Male ; Mental disorders ; Middle Aged ; Olgu-kontrol çalışmaları ; Psikiyatrik durum derecelendirme ölçekleri ; Psychiatric Status Rating Scales ; Severity of Illness Index ; Stres bozuklukları, travma sonrası ; Stress Disorders, Post-Traumatic ; Stress Disorders, Post-Traumatic - pathology ; Zihinsel bozukluklar</subject><ispartof>Diagnostic and interventional radiology (Ankara, Turkey), 2005-09, Vol.11 (3), p.125-129</ispartof><rights>Copyright Aves Yayincilik Ltd. STI. Sep 2005</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>315,782,786</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/16206051$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Mahmutyazicioğlu, Kamran</creatorcontrib><creatorcontrib>Konuk, Numan</creatorcontrib><creatorcontrib>Ozdemir, Hüseyin</creatorcontrib><creatorcontrib>Atasoy, Nuray</creatorcontrib><creatorcontrib>Atik, Levent</creatorcontrib><creatorcontrib>Gündoğdu, Sadi</creatorcontrib><title>Evaluation of the hippocampus and the anterior cingulate gyrus by proton MR spectroscopy in patients with post-traumatic stress disorder</title><title>Diagnostic and interventional radiology (Ankara, Turkey)</title><addtitle>Diagn Interv Radiol</addtitle><description>Previous studies have shown that post-traumatic stress disorder (PTSD) is associated with lymbic system dysfunction. The purpose of this study is to evaluate whether or not the neuronal integrity in hippocampus and anterior cingulate gyrus is affected in PTSD as assessed by proton magnetic resonance spectroscopy.
Single voxel MRS was performed in 10 PTSD patients and 6 healthy subjects in two cerebral areas highly involved in the pathophysiology of PTSD (the hippocampus and the anterior cingulate gyrus). Spectra were obtained using PRESS sequence. Voxel sizes were 3.7 cm3 (hippocampus) and 6-7.2 cm3 (anterior cingulate gyrus). Metabolite ratios of NAA/Cr and Cho/Cr were calculated and compared to the control subjects. The severity of PTSD in the patient group was evaluated by Clinician-Administered PTSD Scale.
Analysis of the proton MR spectra showed reductions in NAA/Cr ratio in bilateral hippocampus of PTSD subjects as compared to normal controls (p < 0.001), whereas Cho/Cr ratios were increased (p < 0.001). Reductions in NAA/Cr ratio were found in the the anterior cingulate gyrus of PTSD subjects as compared to normal controls (p < 0.01), whereas Cho/Cr ratios did not differ significantly (p > 0.05).
Changes in the metabolite ratios provide support for either neuronal dysfunction or neuronal loss both in the hippocampus and the anterior cingulate gyrus and may be associated with reduced neuronal integrity. Further studies with MRS in larger patient populations are needed to clarify the relationship between brain structures and neurobiology of PTSD.</description><subject>Adult</subject><subject>Araştırma teknikleri</subject><subject>Case-Control Studies</subject><subject>Değerlendirme çalışmaları</subject><subject>Evaluation Studies</subject><subject>Female</subject><subject>Girus singuli</subject><subject>Gyrus Cinguli</subject><subject>Gyrus Cinguli - pathology</subject><subject>Hipokampus</subject><subject>Hippocampus</subject><subject>Hippocampus - pathology</subject><subject>Humans</subject><subject>Investigative techniques</subject><subject>Magnetic Resonance Imaging</subject><subject>Magnetic Resonance Spectroscopy</subject><subject>Magnetik rezonans spektroskopi</subject><subject>Male</subject><subject>Mental disorders</subject><subject>Middle Aged</subject><subject>Olgu-kontrol çalışmaları</subject><subject>Psikiyatrik durum derecelendirme ölçekleri</subject><subject>Psychiatric Status Rating Scales</subject><subject>Severity of Illness Index</subject><subject>Stres bozuklukları, travma sonrası</subject><subject>Stress Disorders, Post-Traumatic</subject><subject>Stress Disorders, Post-Traumatic - pathology</subject><subject>Zihinsel bozukluklar</subject><issn>1305-3825</issn><issn>1305-3612</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2005</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><recordid>eNpdkclKxEAQhoMoOi5vINIgeAv0PslRZFxgRBA9h97i9Jik216UeQMf20ZHD56q-Ourv6qonWqGCGQ14Qjv_uYNZgfVYYxrCBlrEd2vDhDHkEOGZtXn4l0MWSTrJuB6kFYGrKz3TonR5wjEpL81MSUTrAtA2eklDyIZ8LIJBZAb4INLpfv-EURvVAouKuc3wE7AF18zpQg-bFoB72KqUxB5LLICMQUTI9A2uqBNOK72ejFEc7KNR9Xz9eLp6rZePtzcXV0ua48hbWoGqZQ9glTxnnHNiRQGIilZa-asQbDVGmJGDJpT2BPFWQ-loohqjUQrpSRH1emPb7niVdqx88GOImw6Nse4KeWLn3K56i2bmLrRRmWGQUzG5djxhnOIMS_g-T9w7XKYyuod4nNOKGkZLdTZlspyNPpv2O8DyBc2G4S1</recordid><startdate>200509</startdate><enddate>200509</enddate><creator>Mahmutyazicioğlu, Kamran</creator><creator>Konuk, Numan</creator><creator>Ozdemir, Hüseyin</creator><creator>Atasoy, Nuray</creator><creator>Atik, Levent</creator><creator>Gündoğdu, Sadi</creator><general>Aves Yayincilik Ltd. 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The purpose of this study is to evaluate whether or not the neuronal integrity in hippocampus and anterior cingulate gyrus is affected in PTSD as assessed by proton magnetic resonance spectroscopy.
Single voxel MRS was performed in 10 PTSD patients and 6 healthy subjects in two cerebral areas highly involved in the pathophysiology of PTSD (the hippocampus and the anterior cingulate gyrus). Spectra were obtained using PRESS sequence. Voxel sizes were 3.7 cm3 (hippocampus) and 6-7.2 cm3 (anterior cingulate gyrus). Metabolite ratios of NAA/Cr and Cho/Cr were calculated and compared to the control subjects. The severity of PTSD in the patient group was evaluated by Clinician-Administered PTSD Scale.
Analysis of the proton MR spectra showed reductions in NAA/Cr ratio in bilateral hippocampus of PTSD subjects as compared to normal controls (p < 0.001), whereas Cho/Cr ratios were increased (p < 0.001). Reductions in NAA/Cr ratio were found in the the anterior cingulate gyrus of PTSD subjects as compared to normal controls (p < 0.01), whereas Cho/Cr ratios did not differ significantly (p > 0.05).
Changes in the metabolite ratios provide support for either neuronal dysfunction or neuronal loss both in the hippocampus and the anterior cingulate gyrus and may be associated with reduced neuronal integrity. Further studies with MRS in larger patient populations are needed to clarify the relationship between brain structures and neurobiology of PTSD.</abstract><cop>Turkey</cop><pub>Aves Yayincilik Ltd. STI</pub><pmid>16206051</pmid><tpages>5</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | Adult Araştırma teknikleri Case-Control Studies Değerlendirme çalışmaları Evaluation Studies Female Girus singuli Gyrus Cinguli Gyrus Cinguli - pathology Hipokampus Hippocampus Hippocampus - pathology Humans Investigative techniques Magnetic Resonance Imaging Magnetic Resonance Spectroscopy Magnetik rezonans spektroskopi Male Mental disorders Middle Aged Olgu-kontrol çalışmaları Psikiyatrik durum derecelendirme ölçekleri Psychiatric Status Rating Scales Severity of Illness Index Stres bozuklukları, travma sonrası Stress Disorders, Post-Traumatic Stress Disorders, Post-Traumatic - pathology Zihinsel bozukluklar |
| title | Evaluation of the hippocampus and the anterior cingulate gyrus by proton MR spectroscopy in patients with post-traumatic stress disorder |
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