Journal of Neuroradiology最新文献

{"title":"Evaluation of a nnU-Net type automated clinical volumetric tumor segmentation tool for diffuse low-grade glioma follow-up","authors":"Margaux Verdier ,&nbsp;Jeremy Deverdun ,&nbsp;Nicolas Menjot de Champfleur ,&nbsp;Hugues Duffau ,&nbsp;Philippe Lam ,&nbsp;Thomas Dos Santos ,&nbsp;Thomas Troalen ,&nbsp;Bénédicte Maréchal ,&nbsp;Till Huelnhagen ,&nbsp;Emmanuelle Le Bars","doi":"10.1016/j.neurad.2023.05.008","DOIUrl":"10.1016/j.neurad.2023.05.008","url":null,"abstract":"<div><h3>Background and purpose</h3><p><span>Diffuse low-grade gliomas (DLGG) are characterized by a slow and continuous growth and always evolve towards an aggressive grade. Accurate prediction of the malignant transformation<span> is essential as it requires immediate therapeutic intervention. One of its most precise predictors is the velocity of diameter expansion (VDE). Currently, the VDE is estimated either by </span></span>linear measurements<span> or by manual delineation of the DLGG on T2 FLAIR acquisitions. However, because of the DLGG's infiltrative nature and its blurred contours, manual measures are challenging and variable, even for experts. Therefore we propose an automated segmentation algorithm using a 2D nnU-Net, to 1) gain time and 2) standardize VDE assessment.</span></p></div><div><h3>Materials and Methods</h3><p>The 2D nnU-Net was trained on 318 acquisitions (T2 FLAIR &amp; 3DT1 longitudinal follow-up of 30 patients, including pre- &amp; post-surgery acquisitions, different scanners, vendors, imaging parameters…). Automated vs. manual segmentation performance was evaluated on 167 acquisitions, and its clinical interest was validated by quantifying the amount of manual correction required after automated segmentation of 98 novel acquisitions.</p></div><div><h3>Results</h3><p>Automated segmentation showed a good performance with a mean Dice Similarity Coefficient (DSC) of 0.82±0.13 with manual segmentation and a substantial concordance between VDE calculations. Major manual corrections (i.e., DSC&lt;0.7) were necessary only in 3/98 cases and 81% of the cases had a DSC&gt;0.9.</p></div><div><h3>Conclusion</h3><p>The proposed automated segmentation algorithm can successfully segment DLGG on highly variable MRI data. Although manual corrections are sometimes necessary, it provides a reliable, standardized and time-winning support for VDE extraction to asses DLGG growth.</p></div>","PeriodicalId":50115,"journal":{"name":"Journal of Neuroradiology","volume":null,"pages":null},"PeriodicalIF":3.5,"publicationDate":"2024-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9624719","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Virtual diluted cone beam CT for device apposition assessment during endovascular treatment of intracranial aneurysm: A technical note","authors":"Patricio Muszynski ,&nbsp;Jean François Hak ,&nbsp;Basile Kerleroux ,&nbsp;Benjamin Gory ,&nbsp;René Anxionnat ,&nbsp;François Zhu","doi":"10.1016/j.neurad.2024.01.003","DOIUrl":"10.1016/j.neurad.2024.01.003","url":null,"abstract":"<div><p><span>The increasing use of embolization devices with suboptimal radio-opacity to treat </span>intracranial aneurysm<span><span> underscores the need for advanced imaging techniques<span> to characterize device-vessel interactions more accurately. Contrast-diluted cone-beam CT is commonly used in neurointervention but requires additional technical refinements to improve endovascular treatment assessment. In this technical note, we describe the virtual dilution </span></span>cone beam CT (VDCBCT), a technique that synthetizes non-contrast and contrast-enhanced CBCT images to virtually dilute iodinated contrast agents, thereby facilitating a more accurate assessment of embolization device apposition.</span></p><p>Through a set of intracranial aneurysms treated with different embolization devices, we describe the VDCBCT protocol and its usefulness for device apposition confidence.</p><p>VDCBCT may enhance the global understanding of neurovascular embolization treatments by providing improved visualization of target vessels and low-radio-opacity embolization devices, obviating the need for contrast dilution.</p></div>","PeriodicalId":50115,"journal":{"name":"Journal of Neuroradiology","volume":null,"pages":null},"PeriodicalIF":3.5,"publicationDate":"2024-01-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139516569","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Cerebral venous thrombectomy using the indigo lightning system and Fogarty maneuver as a bailout technique","authors":"Gil Zur ,&nbsp;Ange Diouf ,&nbsp;Areej Fageeh ,&nbsp;Howard Lesiuk ,&nbsp;Marlise P. dos Santos ,&nbsp;Robert Fahed ,&nbsp;Brian Drake","doi":"10.1016/j.neurad.2024.01.002","DOIUrl":"10.1016/j.neurad.2024.01.002","url":null,"abstract":"","PeriodicalId":50115,"journal":{"name":"Journal of Neuroradiology","volume":null,"pages":null},"PeriodicalIF":3.5,"publicationDate":"2024-01-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139495803","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Comparison of the safety and efficacy of Neuroform Atlas stent deployed via Gateway balloon catheter and microcatheter for the treatment of intracranial stenosis","authors":"Deyuan Zhu ,&nbsp;Dayong Qi ,&nbsp;Wei Cao ,&nbsp;Rongguo Hu,&nbsp;Kangqing Zhang,&nbsp;Tonghui Song,&nbsp;Peipei Ma,&nbsp;Tianheng Zheng,&nbsp;Yibin Fang","doi":"10.1016/j.neurad.2024.01.001","DOIUrl":"10.1016/j.neurad.2024.01.001","url":null,"abstract":"<div><h3>Objective</h3><p>This study aimed to compare the safety and efficacy of the Atlas stent released by the Gateway catheter and microcatheter in the treatment of intracranial stenosis (IS).</p></div><div><h3>Methods</h3><p>The primary efficacy and safety outcomes were the in-stent restenosis (ISR) rate and post-procedural stroke or death within one month.</p></div><div><h3>Results</h3><p>Atlas stents were deployed using the Gateway catheter and microcatheter in 19 (57.6 %) and 14 (42.4 %) procedures, respectively. Follow-up imaging data were available for 26 patients; the incidence of ISR was 15.4 %, and the ISR rate was higher, though not significantly, in the microcatheter group than in the Gateway group (30.0% vs. 6.25 %, <em>P</em> = .39). Clinical follow-up data were available for 30 patients; the post-procedural stroke rate was 3.3 % within one month and 13.3 % from one month to one year. The post-procedural stroke rate within one month was higher, though not significantly, in the microcatheter group than in the Gateway group (7.7% vs. 0 %, <em>P</em> = .43). The Gateway group had a significantly lower rate of post-procedural stroke in the same territory than that of the microcatheter group (0% vs. 30.8 %, <em>P</em> = .026). A higher incidence of residual stenosis &lt;30 % was found in the non-ISR group than in the ISR group (72.2% vs. 0 %, <em>P</em> = .014).</p></div><div><h3>Conclusions</h3><p>This study provides preliminary evidence that the Atlas stent is safe and effective for IS treatment. The use of the Gateway catheter to deliver the Atlas stent appears to be safer than using microcatheter. The incidence of ISR may be related to the degree of the residual stenosis.</p></div>","PeriodicalId":50115,"journal":{"name":"Journal of Neuroradiology","volume":null,"pages":null},"PeriodicalIF":3.5,"publicationDate":"2024-01-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139464148","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Bright diffusion sign: A sensitive and specific radiologic biomarker for multinodular and vacuolating neuronal tumor","authors":"Arim Pak ,&nbsp;Hye Jeong Choi ,&nbsp;Sung-Hye You ,&nbsp;Kyung-Sook Yang ,&nbsp;Byungjun Kim ,&nbsp;Sue-Hee Choi ,&nbsp;Sang Heum Kim ,&nbsp;Jung Youn Kim ,&nbsp;Bo Kyu Kim ,&nbsp;Sang Eun Park ,&nbsp;Inseon Ryoo ,&nbsp;Hye Na Jung","doi":"10.1016/j.neurad.2023.11.006","DOIUrl":"10.1016/j.neurad.2023.11.006","url":null,"abstract":"<div><h3>Background and purpose</h3><p>Accurate differentiation between multinodular and vacuolating neuronal tumor (MVNT) and dysembryoplastic neuroepithelial tumor (DNET) is important for treatment decision-making. We aimed to develop an accurate radiologic diagnostic model for differentiating MVNT from DNET using T2WI and diffusion-weighted imaging (DWI).</p></div><div><h3>Materials and methods</h3><p>A total of 56 patients (mean age, 47.48±17.78 years; 31 women) diagnosed with MVNT (<em>n</em> = 37) or DNET (<em>n</em> = 19) who underwent brain MRI, including T2WI and DWI, were included. Two board-certified neuroradiologists performed qualitative (bubble appearance, cortical involvement, bright diffusion sign, and bright apparent diffusion coefficient [ADC] sign) and quantitative (nDWI and nADC) assessments. A diagnostic tree model was developed with significant and reliable imaging findings using an exhaustive chi-squared Automatic Interaction Detector (CHAID) algorithm.</p></div><div><h3>Results</h3><p>In visual assessment, the imaging features that showed high diagnostic accuracy and interobserver reliability were the bright diffusion sign and absence of cortical involvement (bright diffusion sign: accuracy, 94.64 %; sensitivity, 91.89 %; specificity, 100.00 %; interobserver agreement, 1.00; absence of cortical involvement: accuracy, 92.86 %; sensitivity, 89.19 %; specificity, 100.00 %; interobserver agreement, 1.00). In quantitative analysis, nDWI was significantly higher in MVNT than in DENT (1.52 ± 0.34 vs. 0.91 ± 0.27, <em>p &lt;</em> 0.001), but the interobserver agreement was fair (intraclass correlation coefficient = 0.321). The overall diagnostic accuracy of the tree model with visual assessment parameters was 98.21 % (55/56).</p></div><div><h3>Conclusion</h3><p>The bright diffusion sign and absence of cortical involvement are accurate and reliable imaging findings for differentiating MVNT from DNET. By using simple, intuitive, and reliable imaging findings, such as the bright diffusion sign, MVNT can be accurately differentiated from DNET.</p></div>","PeriodicalId":50115,"journal":{"name":"Journal of Neuroradiology","volume":null,"pages":null},"PeriodicalIF":3.5,"publicationDate":"2024-01-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139089255","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Energy consumption in MRI: Determinants and management options","authors":"Mateusz Chodorowski ,&nbsp;Julien Ognard ,&nbsp;Àlex Rovira ,&nbsp;Jean-Christophe Gentric ,&nbsp;David Bourhis ,&nbsp;Douraied Ben Salem","doi":"10.1016/j.neurad.2023.12.001","DOIUrl":"10.1016/j.neurad.2023.12.001","url":null,"abstract":"<div><h3>Background</h3><p>Energy consumption awareness is a known concern, and radiology departments have energy-intensive consuming machines. The means of energy consumption management in MRI scanners have yet to be evaluated.</p></div><div><h3>Purpose</h3><p>To measure the MRI energy consumption and to evaluate the means to reduce it.</p></div><div><h3>Materials and methods</h3><p>Data was retrieved for two MRI scanners through the hospital's automated energy consumption measurement software. After correlation with picture archiving and communication system (PACS) files, they were segmented by machine and mode (as follows: stand-by, idle and active) and analyzed. Active mode data for a specific brain MRI protocol have been isolated, and equivalent low energy consuming protocol was made. Both were performed on phantom and compared. Same protocol was performed on a phantom using 3.0T 16 and 32 head channels coils. Multiples sequences were acquired on phantom to evaluate power consumption.</p></div><div><h3>Results</h3><p>Stand-by mode accounted for 60 % of machine time and 40 % of energy consumption, active mode accounted for 20 % machine time and 40 % energy consumption, idle mode for 20 % imachine time and 20 % consumption. DWI and TOF sequences were the most consuming in our brain-MRI protocol. The low energy consuming protocol allowed a saving of approximately 10 % of energy consumption, which amounted for 0.20€ for each examination. This difference was mainly due to an energy consumption reduction of the DWI sequence. There were no difference in consumption between a 3.0T 16 and 32 channels head coils. Sequence's active power and duration (especially considering slice thickness) have to be taken into account when trying to optimize energy consumption.</p></div><div><h3>Conclusion</h3><p>There are two key factors to consider when trying to reduce MRI scan energy consumption. Stand-by mode energy consumption has to be taken into account when choosing an MRI scan, as it can't be changed further on. Active mode energy consumption is dependent of the MRI protocols used, and can be reduced with sequences adaptation, which must take into account sequence's active power and duration, on top of image quality.</p></div>","PeriodicalId":50115,"journal":{"name":"Journal of Neuroradiology","volume":null,"pages":null},"PeriodicalIF":3.5,"publicationDate":"2023-12-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138542580","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Direct puncture embolization of a medulla oblongata hemangioblastoma","authors":"Luca Scarcia ,&nbsp;Michel Kalamarides ,&nbsp;Eimad Shotar ,&nbsp;Kevin Premat ,&nbsp;Mehdi Drir ,&nbsp;Nader Sourour ,&nbsp;Frédéric Clarençon","doi":"10.1016/j.neurad.2023.11.005","DOIUrl":"10.1016/j.neurad.2023.11.005","url":null,"abstract":"<div><p><span><span>Hemangioblastoma is a rare tumor of vascular origin, most commonly located in the </span>posterior fossa<span>, which presents with severe symptoms<span> and usually very hard to resect without remarkable operative blood loss.</span></span></span><span>1</span>, <span>2</span><span><span> Pre-operative embolization may decrease the amount of intra-operative bleeding, but the endovascular </span>treatment of such tumor may be very challenging due to the high risk of infarction of the surrounding tissues. Direct puncture embolization has been developed to overcome many of the limitations of endovascular techniques for many hypervascular lesions, also hemangioblastomas.</span><span>3</span>, <span>4</span>, <span>5</span><span> We present in this Technical Video (video 1) a direct puncture embolization with balloon-protection of a hemangioblastoma of the medulla oblongata<span> using Onyx 18 (Medtronic, inc.) as sole liquid embolic agent.</span></span></p></div>","PeriodicalId":50115,"journal":{"name":"Journal of Neuroradiology","volume":null,"pages":null},"PeriodicalIF":3.5,"publicationDate":"2023-11-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138296377","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Radial artery occlusion after aneurysm treatment using the rist guide catheter: Single center cohort study","authors":"Julien Allard ,&nbsp;Eimad Shotar ,&nbsp;Kévin Premat ,&nbsp;Stéphanie Lenck ,&nbsp;Anne-Laure Boch ,&nbsp;Mehdi Drir ,&nbsp;Nader-Antoine Sourour ,&nbsp;Frédéric Clarençon","doi":"10.1016/j.neurad.2023.11.004","DOIUrl":"10.1016/j.neurad.2023.11.004","url":null,"abstract":"<div><h3>Background and purpose</h3><p>Delayed radial artery occlusion (dRAO) is a frequent complication after transradial access (TRA) for neurointervention when using standard large guide catheters. The RIST 079 guide catheter (RIST GC) is the first catheter designed for TRA in neurointervention. We aimed to assess the rate of dRAO after intracranial aneurysm (IA) treatment using the RIST GC.</p></div><div><h3>Methods</h3><p>Patients treated for an IA using TRA and the RIST GC between June 2021 and November 2022 were referred to a systematic US-doppler assessment of the radial artery patency at 3-month follow-up. Patients with and without dRAO were compared to identify risk factors.</p></div><div><h3>Results</h3><p>Twenty-two patients were included in the analysis. At 3-months follow up, 6 patients (27.3 %) presented with dRAO. Four patients were asymptomatic and 2 experienced post-operative radial hematoma and wrist pain. There was a tendency towards younger age, longer procedure duration and higher rate of forearm hematoma in patients with dRAO. Navigation using the RIST GC was successful in 90.9 % of cases. Intracranial access failures and navigation complications were all related to left internal carotid artery navigation.</p></div><div><h3>Conclusions</h3><p>At 3-month follow up, 27.3 % of patients treated for IA using TRA with the RIST GC presented dRAO.</p></div>","PeriodicalId":50115,"journal":{"name":"Journal of Neuroradiology","volume":null,"pages":null},"PeriodicalIF":3.5,"publicationDate":"2023-11-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138177776","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Prognostic implications of intracranial haemorrhage on dual-energy CT immediately following endovascular treatment for acute ischemic stroke","authors":"Florentina M.E. Pinckaers ,&nbsp;Magretha M.Q. Robbe ,&nbsp;Susanne G.H. Olthuis ,&nbsp;Hieronymus D. Boogaarts ,&nbsp;Wim H. van Zwam ,&nbsp;Robert J. van Oostenbrugge ,&nbsp;Alida A. Postma","doi":"10.1016/j.neurad.2023.11.003","DOIUrl":"10.1016/j.neurad.2023.11.003","url":null,"abstract":"<div><h3>Objective</h3><p>To describe the incidence, risk factors, and prognostic relevance of intracranial haemorrhage (ICH) immediately after endovascular treatment (EVT) for ischaemic stroke in the anterior circulation.</p></div><div><h3>Methods</h3><p>EVT records from 2010 to 2019 were screened. Included patients underwent DECT within 3h post-EVT. Virtual native reconstructions were evaluated for ICH according to the Heidelberg criteria and grouped into Heidelberg classes (HCs): [HC1] haemorrhagic infarction (HI)1, HI2 and parenchymal haematoma (PH)1; [HC2] PH2; [HC3] i.a. intraventricular and subarachnoid haemorrhage. If ICH corresponding to multiple HCs was observed, we assumed that the (largest) parenchymal ICH would have the greatest prognostic impact. Hence, a single HC was attributed by the following order of severity: HC2, HC1, HC3. The primary outcome was the modified Rankin Scale (mRS) at 90 days. The effect of asymptomatic ICH (aICH) and symptomatic ICH (sICH) of (1) HC1 or HC2 and (2) HC3 on patient outcomes was evaluated with multivariable regression after multiple imputation.</p></div><div><h3>Results</h3><p>Out of 651 records, 498 patients were included. Eighty-one (16%) patients showed ICH on post-EVT DECT, of which 19 were classified as HC1 (21% symptomatic), 6 as HC2 (100% symptomatic), and 56 as HC3 (14% symptomatic). ICH development was mainly associated with unfavourable procedural characteristics. Both aICH and sICH of HC1 or HC2 were associated with the mRS (aICH: adjusted [a]cOR 4.92, 95%CI [1.48–16.35]; sICH: acOR 12.97, 95%CI [2.39–70.26]) and mortality (aICH: aOR 10.08, 95%CI [2.48–40.88]; sICH: aOR 9.92, 95%CI [1.48–66.31]). Likewise, sICH of HC3 was associated with the mRS and mortality (acOR 19.91, 95%CI [4.03–98.35], and aOR 13.23, 95%CI [2.27–77.18], respectively). aICH of HC3 was not significantly associated with the mRS or mortality (acOR 0.87, 95%CI [0.48–1.57], and cOR 0.84, 95%CI [0.32–2.20], respectively).</p></div><div><h3>Conclusions</h3><p>Immediate post-EVT ICH is a frequent finding. Except for aICH of HC3, any ICH is associated with poor long-term clinical outcomes.</p></div>","PeriodicalId":50115,"journal":{"name":"Journal of Neuroradiology","volume":null,"pages":null},"PeriodicalIF":3.5,"publicationDate":"2023-11-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S0150986123002651/pdfft?md5=82b99bc7242f5935dd2946936d104c9a&pid=1-s2.0-S0150986123002651-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138177775","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Neural correlates of mindfulness meditation and hypnosis on magnetic resonance imaging: similarities and differences. A scoping review","authors":"Sindy Sim ,&nbsp;Igor Lima Maldonado ,&nbsp;Pierre Castelnau ,&nbsp;Laurent Barantin ,&nbsp;Wissam El-Hage ,&nbsp;Frédéric Andersson ,&nbsp;Jean-Philippe Cottier","doi":"10.1016/j.neurad.2023.11.002","DOIUrl":"10.1016/j.neurad.2023.11.002","url":null,"abstract":"<div><h3>Background</h3><p>Mindfulness meditation (MM) and hypnosis practices are gaining interest in mental health, but their physiological mechanisms remain poorly understood. This study aimed to synthesize the functional, morphometric and metabolic changes associated with each practice using magnetic resonance imaging (MRI), and to identify their similarities and differences.</p></div><div><h3>Methods</h3><p>MRI studies investigating MM and hypnosis in mental health, specifically stress, anxiety, and depression, were systematically screened following PRISMA guidelines from four research databases (PubMed, Web of Science, Embase, PsycINFO) between 2010 and 2022.</p></div><div><h3>Results</h3><p>In total, 97 references met the inclusion criteria (84 for MM and 13 for hypnosis). This review showed common and divergent points regarding the regions involved and associated brain connectivity during MM practice and hypnosis. The primary commonality between mindfulness and hypnosis was decreased default mode network intrinsic activity and increased central executive network - salience network connectivity. Increased connectivity between the default mode network and the salience network was observed in meditative practice and mindfulness predisposition, but not in hypnosis.</p></div><div><h3>Conclusions</h3><p>While MRI studies provide a better understanding of the neural basis of hypnosis and meditation, this review underscores the need for more rigorous studies.</p></div>","PeriodicalId":50115,"journal":{"name":"Journal of Neuroradiology","volume":null,"pages":null},"PeriodicalIF":3.5,"publicationDate":"2023-11-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S015098612300264X/pdfft?md5=f0bf8af258ecc01a53248912ce3490a8&pid=1-s2.0-S015098612300264X-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138048388","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}