Journal of Neuroradiology最新文献

{"title":"V2.VALEUR DIAGNOSTIQUE DU SIGNE DE LA VEINE CENTRALE CHEZ DES SUJETS PRÉSENTANT UN SYNDROME RADIOLOGIQUE ISOLÉ (RIS)","authors":"Cassandre LANDES-CHATEAU,&nbsp;Michael LEVRAUT,&nbsp;Albert THEMELIN,&nbsp;Mikael COHEN,&nbsp;Lydiane MONDOT,&nbsp;Christine LEBRUN-FRENAY","doi":"10.1016/j.neurad.2024.01.051","DOIUrl":"https://doi.org/10.1016/j.neurad.2024.01.051","url":null,"abstract":"<div><h3>Introduction</h3><p>Le syndrome radiologique isolé (RIS) représente la phase pré-symptomatique de la sclérose en plaques (SEP). De plus en plus de preuves suggèrent que le signe de la veine centrale (SVC) améliore la spécificité des lésions, permettant ainsi une plus grande précision du diagnostic de SEP.</p></div><div><h3>Objectif</h3><p>Cette étude a pour objectif d’évaluer les performances diagnostiques du SVC chez les sujets RIS.</p></div><div><h3>Methodes</h3><p>Il s'agit d'une étude monocentrique, prospective. Les sujets RIS ont été inclus et comparés à un groupe de patients SEP et à un groupe de témoins non-SEP appariés en sexe et en âge (+/- 5 ans). Tous les participants ont réalisé une imagerie par résonance magnétique 3T, comprenant une séquence de susceptibilité magnétique optimisée (SWAN-veinule) après injection de gadolinium, et la présence du SVC a été analysée. La sensibilité et la spécificité ont été évaluées en utilisant différents critères, utilisant des proportions de lésions positives pour le SVC (SVC+) ou par un nombre absolu de lésions SVC+.</p></div><div><h3>Resultats</h3><p>180 participants (45 RIS, 45 SEP, 90 non-SEP) ont été inclus, représentant 5 285 lésions de la substance blanche. Parmi elles, 4 608 étaient éligibles à l’évaluation du SVC (RIS : 970, SEP : 1 378, non-SEP : 2 260). Selon des comparaisons de courbes ROC indépendantes, la proportion de lésions SVC+ montrent des performances diagnostiques similaires en comparant les RIS aux non-SEP et les SEP aux non-SEP (p= 0,837). Lorsqu'un seuil de 40% de SVC+ était appliqué, le RIS pouvait être diagnostiqué avec une sensibilité de 84 % et une spécificité de 90 %, et la SEP pouvait être diagnostiquée avec une sensibilité de 93 % et une spécificité de 90 %.</p></div><div><h3>Discussion</h3><p>A ce jour, il n'y a pas de biomarqueur exclusif permettant le diagnostic de SEP et par extension de RIS. Nos résultats renforcent l'importance du SVC dans l'identification de lésions démyélinisantes du système nerveux central.</p></div><div><h3>Conclusion</h3><p>Cette étude montre que le SVC est un biomarqueur d'imagerie efficace pour différencier les RIS des non-SEP, avec des performances similaires à celles de la SEP (fig. 1, tab 1,2).</p></div>","PeriodicalId":50115,"journal":{"name":"Journal of Neuroradiology","volume":"51 2","pages":"Pages 100-101"},"PeriodicalIF":3.5,"publicationDate":"2024-02-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139942529","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":"REVUE DE LITTÉRATURE DES STENT À DIVERSION DE FLUX ET MODIFICATION DE SURFACE","authors":"Sebastien Pivet,&nbsp;Omer Eker","doi":"10.1016/j.neurad.2024.01.067","DOIUrl":"https://doi.org/10.1016/j.neurad.2024.01.067","url":null,"abstract":"<div><p>Les stents à diversion de flux (SDF) permettent le traitement des anévrysmes intracrâniens (AI) par reconstruction endoluminale, en détournant le flux sanguin du sac anévrismal vers l'artère porteuse et fournissant un support à l'endothélisation. Leur utilisation est associée à un risque thromboembolique et hémorragique en raison de l'antiagrégation plaquettaire nécessaire. Une nouvelle génération de SDF à surface modifiée (SDF-SM) est disponible pour diminuer ces risques. Dans ce travail, nous avons effectué une revue de la littérature concernant les SDF-SM. Les publications parues entre 2013 et 2020 ont été considérées et ont permis d’évaluer les taux moyens d'occlusion anévrismale, de complications per- ou post-opératoires, et de morbi-mortalité associée à l'utilisation des SDF-SM pour le traitement des AI. Treize publications publiées pendant la période d’étude ont été incluses dans ce travail. Les SDF-SM pour le traitement des AI sont associés à un taux d'occlusion de 81% ± 1.7%, un taux de complications ischémiques ou hémorragiques de 9.7% ± 3.5%, et des taux de morbi-mortalités de 6.5% ± 2.0% et 0.9% ± 1.3%, respectivement. En conclusion, il existe peu de données sur les SDF-SM. Celles-ci objectivent des taux d'occlusion anévrismale, de complications et de morbi-mortalité comparables aux SDF sans modification de surface (figs. 1, 2].</p></div>","PeriodicalId":50115,"journal":{"name":"Journal of Neuroradiology","volume":"51 2","pages":"Page 126"},"PeriodicalIF":3.5,"publicationDate":"2024-02-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139942249","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":"EESIS-FR. French eCLIPs™ Efficacy and Safety Investigation of eCLIPs devices for intracranial Bifurcation Aneurysms. Mid Enrolment results.","authors":"Raphaël Blanc,&nbsp;on behalf on the EESIS-FR study group","doi":"10.1016/j.neurad.2024.01.078","DOIUrl":"https://doi.org/10.1016/j.neurad.2024.01.078","url":null,"abstract":"<div><h3>Introduction and Methods</h3><p>eCLIPs eB is a unique device designed to retain coils and divert flow at a bifurcation aneurysm with 4 sizes to accommodate neck lengths to 12mm. French eCLIPs™ Efficacy and Safety Investigation (EESIS-FR) is an open label, prospective, historically controlled (vs. optimal performance criteria), multicentre, single-arm study trial partly funded by French HAS under its Forfait Innovation program to demonstrate safety and efficacy of eCLIPs for saccular, intracranial aneurysms, unruptured or previously ruptured (≥1 month since rupture and neurologically stable), arising at a bifurcation of Basilar Tip (BT) or Carotid Terminus (CT), with a minimal diameter of 5mm and a maximal diameter &lt;25mm, has a neck length of ≥4mm or dome:neck ratio &lt;2, branch artery diameters in the range of 1.5mm to 3.25mm.</p></div><div><h3>Results</h3><p>We report the first 60 patients (of a goal of 119) enrolled at 13 sites (opened on 26 particpating sites). Aneurysm characteristics: 26 BT, 34 CT, 15 recurrent after prior treatment, 9 previously ruptured. Aneurysm metrics are as follows (Table1):</p></div><div><h3>Safety</h3><p>Two patients (3.3%) had procedural safety events: one had small subarachnoid hemorrhage (microcatheter manipulation) at the bifurcation and 1 had spinal ischemia due to access-catheter trauma to vertebral artery. Thirty-eight patients have follow-up at 6 months, 11 patients ≥12 months. No subsequent safety events occurred through follow-up; only 1 patient (noted above) had MRS &gt;2.</p></div><div><h3>Efficacy</h3><p>modified Raymond Roy Occlusion Classification (mRROC) at each follow-up:</p></div><div><h3>Conclusion</h3><p>EESIS-FR is the first prospective analysis of eCLIPs eB, showing in preliminary results acceptable safety and efficacy profiles. The complete results of the full cohort of 119 patients are necessary to finalize these conclusions.</p></div>","PeriodicalId":50115,"journal":{"name":"Journal of Neuroradiology","volume":"51 2","pages":"Page 115"},"PeriodicalIF":3.5,"publicationDate":"2024-02-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139942516","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":"Nonaneurysmal perimesencephalic subarachnoid hemorrhage on noncontrast head CT: An accuracy, inter-rater, and intra-rater reliability study","authors":"Anass Benomar ,&nbsp;Jose Danilo B. Diestro ,&nbsp;Houssam Darabid ,&nbsp;Karim Saydy ,&nbsp;Lora Tzaneva ,&nbsp;Jimmy Li ,&nbsp;Eleyine Zarour ,&nbsp;William Tanguay ,&nbsp;Nohad El Sayed ,&nbsp;Igor Gomes Padilha ,&nbsp;Laurent Létourneau-Guillon ,&nbsp;Céline Bard ,&nbsp;Kristoff Nelson ,&nbsp;Alain Weill ,&nbsp;Daniel Roy ,&nbsp;Johanna Eneling ,&nbsp;William Boisseau ,&nbsp;Thanh N. Nguyen ,&nbsp;Mohamad Abdalkader ,&nbsp;Ahmed A. Najjar ,&nbsp;Jean Raymond","doi":"10.1016/j.neurad.2024.02.002","DOIUrl":"10.1016/j.neurad.2024.02.002","url":null,"abstract":"<div><h3>Background and purpose</h3><p>To evaluate the reliability and accuracy of nonaneurysmal perimesencephalic subarachnoid hemorrhage (NAPSAH) on Noncontrast Head CT (NCCT) between numerous raters.</p></div><div><h3>Materials and methods</h3><p>45 NCCT of adult patients with SAH who also had a catheter angiography (CA) were independently evaluated by 48 diverse raters; 45 raters performed a second assessment one month later. For each case, raters were asked: 1) whether they judged the bleeding pattern to be perimesencephalic; 2) whether there was blood anterior to brainstem; 3) complete filling of the anterior interhemispheric fissure (AIF); 4) extension to the lateral part of the sylvian fissure (LSF); 5) frank intraventricular hemorrhage; 6) whether in the hypothetical presence of a negative CT angiogram they would still recommend CA. An automatic NAPSAH diagnosis was also generated by combining responses to questions 2–5. Reliability was estimated using Gwet's AC1 (κ_G), and the relationship between the NCCT diagnosis of NAPSAH and the recommendation to perform CA using Cramer's V test. Multi-rater accuracy of NCCT in predicting negative CA was explored.</p></div><div><h3>Results</h3><p>Inter-rater reliability for the presence of NAPSAH was moderate (κ<em>_G</em> = 0.58; 95%CI: 0.47, 0.69), but improved to substantial when automatically generated (κ<em>_G</em> = 0.70; 95%CI: 0.59, 0.81). The most reliable criteria were the absence of AIF filling (κ<em>_G</em> = 0.79) and extension to LSF (κ<em>_G</em> = 0.79). Mean intra-rater reliability was substantial (κ<em>_G</em> = 0.65). NAPSAH weakly correlated with CA decision (<em>V</em> = 0.50). Mean sensitivity and specificity were 58% (95%CI: 44%, 71%) and 83 % (95%CI: 72 %, 94%), respectively.</p></div><div><h3>Conclusion</h3><p>NAPSAH remains a diagnosis of exclusion. The NCCT diagnosis was moderately reliable and its impact on clinical decisions modest.</p></div>","PeriodicalId":50115,"journal":{"name":"Journal of Neuroradiology","volume":"51 4","pages":"Article 101184"},"PeriodicalIF":3.5,"publicationDate":"2024-02-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S0150986124000920/pdfft?md5=15930984f80634591e5f600cbaf203fa&pid=1-s2.0-S0150986124000920-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139926170","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":"Re: Cerebral arterial air emboli on immediate post-endovascular treatment CT are associated with poor short- and long-term clinical outcomes in acute ischaemic stroke patients","authors":"Raoul A. Fakkert,&nbsp;Miou S. Koopman,&nbsp;Benedikt Preckel,&nbsp;Robert A. van Hulst,&nbsp;Nina C. Weber,&nbsp;Robert P. Weenink","doi":"10.1016/j.neurad.2024.02.005","DOIUrl":"10.1016/j.neurad.2024.02.005","url":null,"abstract":"","PeriodicalId":50115,"journal":{"name":"Journal of Neuroradiology","volume":"51 3","pages":"Pages 256-257"},"PeriodicalIF":3.5,"publicationDate":"2024-02-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139926179","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":"Brush Sign on pre-treatment imaging is associated with good functional outcome in stroke patients treated with mechanical thrombectomy: A prospective monocentric study","authors":"Vi Tuan Hua ,&nbsp;Sami Benhammida ,&nbsp;Thi Phuong Nguyen ,&nbsp;Grégoire Boulouis ,&nbsp;Alexandre Doucet ,&nbsp;Nathalie Caucheteux ,&nbsp;Sébastien Soize ,&nbsp;Solène Moulin","doi":"10.1016/j.neurad.2024.02.004","DOIUrl":"10.1016/j.neurad.2024.02.004","url":null,"abstract":"<div><h3>Background</h3><p>The Brush Sign (BrS) is a radiological biomarker (MRI) showing signal decrease of subependymal and deep medullary veins on paramagnetic-sensitive magnetic resonance sequences. Previous studies have shown controversial results regarding the prognostic value of BrS. We aimed to assess whether BrS on T2*-weighted sequences could predict functional prognosis in patients treated with mechanical thrombectomy (MT).</p></div><div><h3>Methods</h3><p>We included all consecutive patients with large artery occlusion related stroke in anterior circulation treated with MT between February 2020 and August 2022 at Reims University Hospital. Multivariable logistic regression models were used to investigate factors associated with BrS and its impact on outcomes.</p></div><div><h3>Results</h3><p>Of the 327 included patients, 124 (37,9%) had a BrS on baseline MRI. Mean age was 72 ± 16 years and 184 (56,2 %) were female. In univariate analysis, BrS was associated with a younger age (67 vs 74; <em>p</em>&lt;0.001), a higher NIHSS score (16(10–20) vs 13(8–19); <em>p</em> = 0.047) history of diabetes (15.3% vs 26.1 %; <em>p</em> = 0.022) and a shorter onset to MRI time (145.5 (111.3–188.5) vs 162 (126–220) <em>p</em> = 0.008). In multivariate analyses, patients with a BrS were younger (OR:0.970 (0.951 – 0.989)), tend to have a higher NIHSS score at baseline (OR:1.046 (1.000 – 1.094) and were less likely to have diabetes (OR: 0.433; 0.214–0.879). The presence of BrS was independently associated with functional independence (OR: 2.234(1.158–4,505) at 3 months but not with mortality nor with symptomatic intracerebral hemorrhage.</p></div><div><h3>Conclusion</h3><p>BrS on pre-treatment imaging could be considered as a biomarker of physiological adaptation to cerebral ischemia, allowing prolonged viability of brain tissue and might participate in the therapeutic decision.</p></div>","PeriodicalId":50115,"journal":{"name":"Journal of Neuroradiology","volume":"51 4","pages":"Article 101186"},"PeriodicalIF":3.5,"publicationDate":"2024-02-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139898317","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":"Outcomes of antiplatelet therapy before endovascular treatment of acute large vessel occlusion: Data from the ANGEL-ACT registry","authors":"Dapeng Sun ,&nbsp;Shuo Li ,&nbsp;Raynald ,&nbsp;Xiaochuan Huo ,&nbsp;Baixue Jia ,&nbsp;Xu Tong ,&nbsp;Anxin Wang ,&nbsp;Ning Ma ,&nbsp;Feng Gao ,&nbsp;Dapeng Mo ,&nbsp;Thanh N Nguyen ,&nbsp;Zhongrong Miao ,&nbsp;ANGEL-ACT study group","doi":"10.1016/j.neurad.2024.02.001","DOIUrl":"10.1016/j.neurad.2024.02.001","url":null,"abstract":"<div><h3>Objectives</h3><p>To investigate whether single or dual antiplatelet therapy (SAPT or DAPT) within 24 hours before endovascular treatment (EVT) could improve the clinical outcomes of patients with large vessel occlusion (LVO).</p></div><div><h3>Methods</h3><p>Patients from the ANGEL-ACT registry were divided into antiplatelet therapy (APT) and non-APT groups. The APT group was divided into SAPT and DAPT groups. Outcome measurement included 90-day modified Rankin Scale (mRS) distribution, change in the NIHSS at 7 days or discharge, number of passes, modified first pass effect (mFPE), symptomatic intracranial hemorrhage (SICH), and mortality within 90 days. To compare the outcomes, we performed multivariable analyses by adjusting for the propensity score calculated by the logistic regression model.</p></div><div><h3>Results</h3><p>Of 1611 patients, 1349 were in the non-APT group, while 262 (16.3 %) were in the APT group (122 [46.6 %] received SAPT, 140 [53.4 %] received DAPT). APT, SAPT or DAPT were not associated with a shift to better outcomes (non-APT vs. APT, 3[0–5] vs. 3[0–5], common odds ratio [OR], 1.04, 95 %confidence interval [CI]:0.82–1.34<em>, P</em> = 0.734). DAPT was associated with mFPE (OR,2.05, 95 %CI:1.39–3.01<em>, P</em>&lt;0.001), more NIHSS reduction at 7 days or discharge (β, -2.13, 95 %CI: -4.02–-0.24<em>, P</em> = 0.028), lower number of passes (β, -0.40, 95 %CI: -0.68–-0.12<em>, P</em>=0.006), and shorter procedure duration (β, -12.4, 95 %CI: -23.74–-1.05<em>, P</em> = 0.032) without increasing odds of successful recanalization<em>, P</em>H within 24 hours and mortality with 90 days .</p></div><div><h3>Conclusions</h3><p>APT before MT for AIS due to LVO does not affect clinical outcome in 90 days despite a tendency to reduce MT procedure time and number of passes. APT before MT in LVO does not increase SICH or mortality rates.</p></div>","PeriodicalId":50115,"journal":{"name":"Journal of Neuroradiology","volume":"51 4","pages":"Article 101183"},"PeriodicalIF":3.5,"publicationDate":"2024-02-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139724747","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":"Growing importance of brain morphometry analysis in the clinical routine: The hidden impact of MR sequence parameters","authors":"Michael Rebsamen ,&nbsp;Milena Capiglioni ,&nbsp;Robert Hoepner ,&nbsp;Anke Salmen ,&nbsp;Roland Wiest ,&nbsp;Piotr Radojewski ,&nbsp;Christian Rummel","doi":"10.1016/j.neurad.2023.04.003","DOIUrl":"10.1016/j.neurad.2023.04.003","url":null,"abstract":"<div><p>Volumetric assessment based on structural MRI is increasingly recognized as an auxiliary tool to visual reading, also in examinations acquired in the clinical routine. However, MRI acquisition parameters can significantly influence these measures, which must be considered when interpreting the results on an individual patient level.</p><p>This Technical Note shall demonstrate the problem. Using data from a dedicated experiment, we show the influence of two crucial sequence parameters on the GM/WM contrast and their impact on the measured volumes. A simulated contrast derived from acquisition parameters TI/TR may serve as surrogate and is highly correlated (r=0.96) with the measured contrast.</p></div>","PeriodicalId":50115,"journal":{"name":"Journal of Neuroradiology","volume":"51 1","pages":"Pages 5-9"},"PeriodicalIF":3.5,"publicationDate":"2024-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S0150986123001980/pdfft?md5=0adb2305d7e5436f233cddeb4e6cb9f6&pid=1-s2.0-S0150986123001980-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9409975","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":"Computed diffusion-weighted imaging in patients with transient neurovascular symptoms with and without ischemic infarction","authors":"A. Förster ,&nbsp;Ana Ramos ,&nbsp;H. Wenz ,&nbsp;C. Groden ,&nbsp;A. Alonso","doi":"10.1016/j.neurad.2023.02.007","DOIUrl":"10.1016/j.neurad.2023.02.007","url":null,"abstract":"<div><h3>Purpose</h3><p><span>Detection of ischemic lesions in patients with transient neurovascular symptoms is relevant for the estimation of the risk of a subsequent stroke and etiological classification. To improve detection rates, different technical approaches have been used, such as diffusion-weighted imaging (DWI) with high b-values or higher magnetic field strength. Here, we sought to investigate the value of computed </span>DWI (cDWI) with high b-values in these patients.</p></div><div><h3>Methods</h3><p>From an MRI report database we identified patients with transient neurovascular symptoms who underwent repeated MRI including DWI. cDWI was calculated with a monoexponential model with high b-values (2000, 3000, and 4000 s/mm²) and compared to the routinely used standard DWI with regard to presence of ischemic lesions and lesion detectability.</p></div><div><h3>Result</h3><p>Overall 33 patients with transient neurovascular symptoms (71 [IQR 57–83.5] years; 21 [63.6%] male) were included. On DWI, acute ischemic lesions were observed in 22 (78.6%). Acute ischemic lesions were observed in 17 (51.5%) patients on initial DWI, and in 26 (78.8%) patients on follow-up DWI. Lesion detectability was rated significantly better on cDWI at 2000s/mm² compared to standard DWI. In 2 (9.1%) patients, cDWI at 2000s/mm² revealed an acute ischemic lesion proven on follow-up standard DWI which was not detected with certainty on the initial standard DWI.</p></div><div><h3>Conclusion</h3><p>cDWI might be a valuable addition to routinely acquired standard DWI in patients with transient neurovascular symptoms since its use might result in improved ischemic lesion detection. A b-value of 2000s/mm² seems most promising for clinical practice.</p></div>","PeriodicalId":50115,"journal":{"name":"Journal of Neuroradiology","volume":"51 1","pages":"Pages 1-4"},"PeriodicalIF":3.5,"publicationDate":"2024-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9096452","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":"Acknowledging our 2023 reviewers","authors":"","doi":"10.1016/S0150-9861(24)00085-3","DOIUrl":"https://doi.org/10.1016/S0150-9861(24)00085-3","url":null,"abstract":"","PeriodicalId":50115,"journal":{"name":"Journal of Neuroradiology","volume":"51 1","pages":"Page 90"},"PeriodicalIF":3.5,"publicationDate":"2024-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S0150986124000853/pdfft?md5=afb2d7451f8e1260e1ca88a4042258fd&pid=1-s2.0-S0150986124000853-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139710154","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}