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Simultaneous arterial spin labeling functional MRI and fluorodeoxyglucose PET in mild chronic traumatic brain injury 轻度慢性创伤性脑损伤的同步动脉自旋标记功能磁共振成像和氟脱氧葡萄糖正电子发射计算机断层扫描
IF 3 3区 医学 Q2 CLINICAL NEUROLOGY Pub Date : 2024-06-20 DOI: 10.1016/j.neurad.2024.101211
Justin Heholt , Riya Patel , Faezeh Vedaei , George Zabrecky , Nancy Wintering , Daniel A. Monti , Ze Wang , Andrew B. Newberg , Feroze B. Mohamed

Background and purpose

To determine the effect of mild chronic traumatic brain injury (cTBI) on cerebral blood flow and metabolism.

Methods

62 cTBI and 40 healthy controls (HCs) with no prior history of cTBI underwent both pulsed arterial spin labeling functional magnetic resonance imaging (PASL-fMRI) and fluorodeoxyglucose positron emission tomography (FDG-PET) scanning via a Siemens mMR (simultaneous PET/MRI) scanner. 30 participants also took part in a series of neuropsychological clinical measures (NCMs). Images were processed using statistical parametric mapping software relevant to each modality to generate relative cerebral blood flow (rCBF) and glucose metabolic standardized uptake value ratio (gSUVR) grey matter maps. A voxel-wise two-sample T-test and two-tailed gaussian random field correction for multiple comparisons was performed.

Results

cTBI patients showed a significant increase in rCBF and gSUVR in the right thalamus as well as a decrease in bilateral occipital lobes and calcarine sulci. An inverse relationship between rCBF and gSUVR was found in the left frontal lobe, the left precuneus and regions in the right temporal lobe. Within those regions rCBF values correlated with 9 distinct NCMs and gSUVR with 3.

Conclusion

Simultaneous PASL-fMRI and FDG-PET can identify functional changes in a mild cTBI population. Within this population FDG-PET identified more regions of functional disturbance than ASL fMRI and NCMs are shown to correlate with rCBF and glucose metabolism (gSUVR) in various brain regions. As a result, both imaging modalities contribute to understanding the underlying pathophysiology and clinical course of mild chronic traumatic brain injury.

背景和目的:确定轻度慢性创伤性脑损伤(cTBI)对脑血流和新陈代谢的影响。方法:通过西门子 mMR(同步 PET/MRI)扫描仪对 62 名 cTBI 和 40 名无 cTBI 病史的健康对照组(HCs)进行脉冲动脉自旋标记功能磁共振成像(PASL-fMRI)和氟脱氧葡萄糖正电子发射断层扫描(FDG-PET)扫描。30 名参与者还参加了一系列神经心理临床测量(NCM)。使用与每种模式相关的统计参数绘图软件对图像进行处理,生成相对脑血流(rCBF)和葡萄糖代谢标准化摄取值比(gSUVR)灰质图。结果显示:cTBI 患者右侧丘脑的 rCBF 和 gSUVR 显著增加,而双侧枕叶和钙沟的 rCBF 和 gSUVR 则显著减少。左侧额叶、左侧楔前叶和右侧颞叶区域的 rCBF 和 gSUVR 之间呈反比关系。在这些区域中,rCBF 值与 9 个不同的 NCM 相关,而 gSUVR 与 3.5 个 NCM 相关:结论:PASL-fMRI 和 FDG-PET 可同时识别轻度 cTBI 患者的功能变化。在这一人群中,FDG-PET 比 ASL fMRI 能识别出更多的功能障碍区域,而且 NCM 与不同脑区的 rCBF 和葡萄糖代谢(gSUVR)相关。因此,这两种成像模式都有助于了解轻度慢性脑外伤的潜在病理生理学和临床过程。
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引用次数: 0
Fetal and postnatal neuroimaging of SUZ12-related overgrowth: Imagawa-matsumoto syndrome 与 SUZ12 相关的过度生长的胎儿和出生后神经影像学:今川松本综合征
IF 3.5 3区 医学 Q2 CLINICAL NEUROLOGY Pub Date : 2024-06-08 DOI: 10.1016/j.neurad.2024.101210
Onur Simsek, Arastoo Vossough
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引用次数: 0
Endovascular approach to posterior spinal cord AV shunts via the anterior spinal artery 通过脊髓前动脉进行脊髓后房室分流的血管内方法。
IF 3.5 3区 医学 Q2 CLINICAL NEUROLOGY Pub Date : 2024-06-03 DOI: 10.1016/j.neurad.2024.101207
Silvia Pizzuto , Jonathan Cortese , Alessandro Sgreccia , Federico Di Maria , Arturo Consoli , Georges Rodesch

Intradural spinal cord arteriovenous shunts are challenging vascular lesions with poor prognosis if left untreated. Therapeutic options include endovascular treatment, microsurgery or a combined approach. Surgical approaches are more complex if the lesions are located anteriorly and supplied by the anterior spinal artery (ASA). ASA can also vascularize shunts located on the posterior surface of the spinal cord either by transmedullary arteries, pial circumferential arteries or, if affecting the lower portions of the cord, by the anastomotic channels of the basket. Each of these vessels can be used for endovascular navigation to reach the shunts with good results if appropriate anatomical rules are followed. We describe here some technical considerations based on the anatomical analysis for the embolization of posterior spinal cord arteriovenous shunts vascularized by the anterior spinal artery.

脊髓硬膜内动静脉分流是一种具有挑战性的血管病变,如果不及时治疗,预后很差。治疗方法包括血管内治疗、显微外科手术或综合治疗。如果病变位于前方并由脊髓前动脉(ASA)供血,手术方法则更为复杂。脊髓前动脉还可以通过经髓动脉、髓周动脉或(如果影响到脊髓下部)篮状吻合通道为位于脊髓后表面的分流提供血管。如果遵循适当的解剖规则,这些血管均可用于血管内导航以到达分流处,并取得良好效果。在此,我们将根据解剖学分析介绍栓塞脊髓前动脉血管的脊髓后动静脉分流的一些技术注意事项。
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引用次数: 0
Abnormalities in spontaneous brain activity and functional connectivity are associated with cognitive impairments in children with type 1 diabetes mellitus 自发脑活动和功能连接异常与 1 型糖尿病儿童的认知障碍有关。
IF 3.5 3区 医学 Q2 CLINICAL NEUROLOGY Pub Date : 2024-05-29 DOI: 10.1016/j.neurad.2024.101209
Jia-Wen Song , Xiao-Yan Huang , Mei Huang , Shi-Han Cui , Yong-Jin Zhou , Xiao-Zheng Liu , Zhi-Han Yan , Xin-Jian Ye , Kun Liu

Background

It remains unclear whether alterations in brain function occur in the early stage of pediatric type 1 diabetes mellitus(T1DM). We aimed to examine changes in spontaneous brain activity and functional connectivity (FC) in children with T1DM using resting-state functional magnetic resonance imaging (rs-fMRI), and to pinpoint potential links between neural changes and cognitive performance.

Methods

In this study, 22 T1DM children and 21 age-, sex-matched healthy controls underwent rs-fMRI. The amplitude of low frequency fluctuations (ALFF) and seed-based FC analysis were performed to examine changes in intrinsic brain activity and functional networks in T1DM children. Partial correlation analyses were utilized to explore the correlations between ALFF values and clinical parameters.

Results

The ALFF values were significantly lower in the lingual gyrus (LG) and higher in the left medial superior frontal gyrus (MSFG) in T1DM children compared to controls. Subsequent FC analysis indicated that the LG had decreased FC with bilateral inferior occipital gyrus, and the left MSFG had decreased FC with right precentral gyrus, right inferior parietal gyrus and right postcentral gyrus in children with T1DM. The ALFF values of LG were positively correlated with full-scale intelligence quotient and age at disease onset in T1DM children, while the ALFF values of left MSFG were positively correlated with working memory scores.

Conclusion

Our findings revealed abnormal spontaneous activity and FC in brain regions related to visual, memory, default mode network, and sensorimotor network in the early stage of T1DM children, which may aid in further understanding the mechanisms underlying T1DM-associated cognitive dysfunction.

背景:目前仍不清楚小儿1型糖尿病(T1DM)早期是否会出现脑功能改变。我们的目的是利用静息态功能磁共振成像(rs-fMRI)检查T1DM患儿大脑自发活动和功能连接(FC)的变化,并找出神经变化与认知表现之间的潜在联系:在这项研究中,22 名 T1DM 儿童和 21 名年龄、性别匹配的健康对照者接受了 rs-fMRI 检查。方法:22 名 T1DM 儿童和 21 名年龄、性别相匹配的健康对照组接受了 rs-fMRI 检查,通过低频波动幅度(ALFF)和基于种子的 FC 分析,研究 T1DM 儿童大脑固有活动和功能网络的变化。利用偏相关分析探讨了ALFF值与临床参数之间的相关性:结果:与对照组相比,T1DM患儿舌回(LG)的ALFF值明显较低,而左侧内侧额上回(MSFG)的ALFF值较高。随后的FC分析表明,T1DM患儿舌回与双侧枕下回的FC降低,左侧额上回与右侧中央前回、右侧顶下回和右侧中央后回的FC降低。LG的ALFF值与T1DM儿童的全面智商和发病年龄呈正相关,而左侧MSFG的ALFF值与工作记忆得分呈正相关:我们的研究结果表明,在T1DM儿童的早期阶段,与视觉、记忆、默认模式网络和感觉运动网络相关的脑区存在异常的自发活动和FC,这可能有助于进一步了解T1DM相关认知功能障碍的机制。
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引用次数: 0
Pediatric cervical spine clearance after blunt trauma and negative CT: What is the role of MRI? 钝性外伤和 CT 阴性后的小儿颈椎清创:核磁共振成像的作用是什么?
IF 3.5 3区 医学 Q2 CLINICAL NEUROLOGY Pub Date : 2024-05-25 DOI: 10.1016/j.neurad.2024.101206
Nazanin Azizi, Jimmy L. Huynh, Osama Raslan, Matthew Bobinski, Lotfi Hacein-Bey, Arzu Ozturk

Background and purpose

The cervical spine in children has marked anatomical and biomechanical differences compared to adults, leading to significantly different patterns and incidence of spinal injury, and consequently to different X-ray and computed tomography (CT) imaging recommendations. Magnetic resonance imaging (MRI) has been validated to clear cervical spine trauma in adults, but not in pediatric patients. We hypothesized that MRI findings have a low probability to change management in children with spine trauma and negative CT findings.

Materials and methods

We reviewed records for admitted pediatric patients due to blunt trauma from January 2011 to May 2021, and identified 212 patients who underwent MRI within 3 days of a negative CT. Two neuroradiologists independently reviewed all CT and MRI images for the following categories: fracture, subluxation, spinal canal compromise, ligamentous injury, spinal canal hemorrhage, cord contusion and soft tissue hemorrhage. We identified follow-up MRI examinations as negative or positive for the above categories, and calculated the prevalence of each category as a percentage of cases with negative CT. We also evaluated whether negative and positive MRI groups differed significantly with respect to age and sex of the patients.

Results and conclusions

In our study of 212 children with cervical spine trauma and a negative CT, most follow-up MRI scans were found to be negative (79.9 %). Positive MRI findings consisted mainly of ligamentous sprain without disruption (15.1 %). Ligamentous disruption and epidural or soft tissue hemorrhage were found in 4.5 %, and focal cord contusion in 0.5 %. There was no statically significant difference between negative and positive MRI groups with respect to age (P = 0.45) and sex (P = 0.52).

Conclusion

In our patient group with a negative CT, MRI did not significantly impact management nor contribute to cervical spine clearance in children.

背景和目的:与成人相比,儿童的颈椎在解剖学和生物力学上有明显的差异,导致脊柱损伤的模式和发生率明显不同,因此也有不同的 X 光和计算机断层扫描(CT)成像建议。磁共振成像(MRI)已被证实可用于明确成人颈椎创伤,但在儿科患者中尚未得到证实。我们假设,对于脊柱外伤且 CT 检查结果呈阴性的儿童患者,磁共振成像结果改变治疗方案的可能性较低:我们查阅了 2011 年 1 月至 2021 年 5 月期间因钝性外伤入院的儿科患者的病历,并确定了 212 名在 CT 阴性后 3 天内接受 MRI 检查的患者。两名神经放射科医生独立审查了所有 CT 和 MRI 图像,以确定以下类别:骨折、脱位、椎管损伤、韧带损伤、椎管出血、脊髓挫伤和软组织出血。我们将后续磁共振成像检查确定为上述类别的阴性或阳性,并以 CT 阴性病例的百分比来计算每个类别的患病率。我们还评估了磁共振成像阴性组和阳性组在患者年龄和性别方面是否存在显著差异:在我们对 212 名颈椎外伤且 CT 阴性的儿童进行的研究中,发现大多数随访核磁共振扫描结果为阴性(79.9%)。核磁共振成像阳性结果主要是韧带扭伤而无中断(15.1%)。韧带断裂和硬膜外或软组织出血占 4.5%,局灶性脊髓挫伤占 0.5%。核磁共振成像阴性组和阳性组在年龄(P = 0.45)和性别(P = 0.52)方面的差异无统计学意义:结论:在我们的 CT 阴性患者群体中,磁共振成像对儿童颈椎病的治疗没有明显影响,也无助于颈椎病的清除。
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引用次数: 0
Let's find out about Article-Based Publishing (ABP)/Article Numbering (AN) 让我们了解一下文章出版 (ABP)/ 文章编号 (AN)
IF 3.5 3区 医学 Q2 CLINICAL NEUROLOGY Pub Date : 2024-05-24 DOI: 10.1016/j.neurad.2024.101198
Douraied Ben Salem
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引用次数: 0
Meditation mindfulness and hypnosis: We know they work, but just how do they work? 冥想、正念和催眠:我们知道它们有用,但它们是如何起作用的呢?
IF 3.5 3区 医学 Q2 CLINICAL NEUROLOGY Pub Date : 2024-05-15 DOI: 10.1016/j.neurad.2024.101199
Lotfi Hacein-Bey, Sidney Krystal, Jean-Pierre Pruvo
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引用次数: 0
A call for junior neuroradiologists to join the “Jeunes Enthousiastes en neuroradiologie DIagnostique” - Research Collaboration (JEDI-RC) 征集初级神经放射医师加入 "Jeunes Enthousiastes en neuroradiologie DIagnostique"--研究合作组织(JEDI-RC)。
IF 3.5 3区 医学 Q2 CLINICAL NEUROLOGY Pub Date : 2024-04-30 DOI: 10.1016/j.neurad.2024.04.003
Thomas Samoyeau
{"title":"A call for junior neuroradiologists to join the “Jeunes Enthousiastes en neuroradiologie DIagnostique” - Research Collaboration (JEDI-RC)","authors":"Thomas Samoyeau","doi":"10.1016/j.neurad.2024.04.003","DOIUrl":"https://doi.org/10.1016/j.neurad.2024.04.003","url":null,"abstract":"","PeriodicalId":50115,"journal":{"name":"Journal of Neuroradiology","volume":"51 4","pages":"Article 101195"},"PeriodicalIF":3.5,"publicationDate":"2024-04-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140813541","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}
引用次数: 0
The importance of arterial systolic pressure (Push) in successful first pass aspiration technique for endovascular thrombectomy 动脉收缩压(Push)对成功实施血管内血栓切除术的首次抽吸技术的重要性。
IF 3.5 3区 医学 Q2 CLINICAL NEUROLOGY Pub Date : 2024-04-25 DOI: 10.1016/j.neurad.2024.04.004
D Volders, V Linehan, IR Macdonald
{"title":"The importance of arterial systolic pressure (Push) in successful first pass aspiration technique for endovascular thrombectomy","authors":"D Volders,&nbsp;V Linehan,&nbsp;IR Macdonald","doi":"10.1016/j.neurad.2024.04.004","DOIUrl":"10.1016/j.neurad.2024.04.004","url":null,"abstract":"","PeriodicalId":50115,"journal":{"name":"Journal of Neuroradiology","volume":"51 4","pages":"Article 101196"},"PeriodicalIF":3.5,"publicationDate":"2024-04-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140854249","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}
引用次数: 0
Reply to “Successful recanalization because of the pressure differential between arterial systolic pressure (Push) and vacuum level created by the vacuum source (Pull)” 回复 "由于动脉收缩压(推力)与真空源产生的真空度(拉力)之间存在压力差,因此可成功再通脉"。
IF 3.5 3区 医学 Q2 CLINICAL NEUROLOGY Pub Date : 2024-04-25 DOI: 10.1016/j.neurad.2024.04.005
Guillaume Charbonnier, Fortunato Di Caterino, Alessandra Biondi
{"title":"Reply to “Successful recanalization because of the pressure differential between arterial systolic pressure (Push) and vacuum level created by the vacuum source (Pull)”","authors":"Guillaume Charbonnier,&nbsp;Fortunato Di Caterino,&nbsp;Alessandra Biondi","doi":"10.1016/j.neurad.2024.04.005","DOIUrl":"10.1016/j.neurad.2024.04.005","url":null,"abstract":"","PeriodicalId":50115,"journal":{"name":"Journal of Neuroradiology","volume":"51 4","pages":"Article 101197"},"PeriodicalIF":3.5,"publicationDate":"2024-04-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140871030","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}
引用次数: 0
期刊
Journal of Neuroradiology
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