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Morishita M, Yamazaki T, Senoo M, Nishiya M. Cerebral Vasospasm After Burr Hole Evacuation of Chronic Subdural Hematoma. Cureus 2024; 16:e55140. [PMID: 38558741 PMCID: PMC10979758 DOI: 10.7759/cureus.55140] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/28/2024] [Indexed: 04/04/2024] Open
Abstract
Cerebral vasospasm is a frequent complication of subarachnoid hemorrhage. We report a case of chronic subdural hematoma complicated by cerebral vasospasm after burr hole evacuation. A 74-year-old woman underwent burr hole evacuation of a chronic subdural hematoma. She developed left hemiparesis and disturbance of consciousness on postoperative day 3. Magnetic resonance imaging showed a right parietal infarct and decreased cerebral blood flow signal in the right middle cerebral artery territory. Digital subtraction angiography showed multiple segmental narrowings of the right middle cerebral artery. Her neurological symptoms recovered with conservative treatment. Follow-up angiography showed improvement in the arterial narrowing, which finally led to a diagnosis of cerebral vasospasm. Cerebral vasospasm can occur after burr hole evacuation of chronic subdural hematoma. Magnetic resonance angiography is useful for determining the cause of postoperative neurological worsening in chronic subdural hematoma patients.
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Affiliation(s)
- Masahiro Morishita
- Department of Neurosurgery, Hakodate Neurosurgical Hospital, Hokkaido, JPN
| | - Takaaki Yamazaki
- Department of Neurosurgery, Hakodate Neurosurgical Hospital, Hokkaido, JPN
| | - Makoto Senoo
- Department of Neurosurgery, Hakodate Neurosurgical Hospital, Hokkaido, JPN
| | - Mikio Nishiya
- Department of Neurosurgery, Hakodate Neurosurgical Hospital, Hokkaido, JPN
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Yamaguchi S, Osaki M, Kitamura T, Hokazono M, Wakisaka K, Maruyama T, Yasuda C, Sayama T, Arakawa S, Yoshimoto K. Narrowing of the Parent Artery Angle Is Associated With Intracranial Aneurysm Growth. Cureus 2024; 16:e51677. [PMID: 38318545 PMCID: PMC10839434 DOI: 10.7759/cureus.51677] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/04/2024] [Indexed: 02/07/2024] Open
Abstract
OBJECTIVE Although risk factors for intracranial aneurysm growth have been reported, studies investigating the influence of the parent artery angle are limited. In this study, we examined the relationship between intracranial aneurysm growth and parent artery angle narrowing by analyzing long-term follow-up magnetic resonance angiography data. METHODS We retrospectively reviewed data of patients with untreated aneurysms and those treated by simple coil embolization, who were followed up by magnetic resonance angiography for over 24 months at the Steel Memorial Yawata Hospital between August 2007 and March 2023. We investigated the relationship of aneurysm growth with parent artery angle narrowing, age, sex, follow-up duration, previous subarachnoid hemorrhage, hypertension, smoking, aneurysm location, aneurysm type, maximum size, and neck size. RESULTS A total of 180 aneurysms of 162 patients (women, n=113; untreated, n=136) were included. The median age at aneurysm diagnosis was 71 (63.8-76) years and the median follow-up duration was 69 (45-120) months. Among the 180 aneurysms, 41 (untreated, n=30; treated by simple coil embolization, n=11) showed growth during the follow-up period, with a risk of 4.4%/patient-year. In the univariable analysis, the parent artery angles on the initial and last follow-up images and angle change were significantly associated with aneurysm growth. However, in the multivariable analysis, the association remained significant only for angle change (odds ratio, 2.21; 95% confidence interval, 1.42-3.45). The cutoff value of parent artery angle change for intracranial aneurysm growth was -3.4°. CONCLUSION Parent artery angle narrowing was significantly associated with intracranial aneurysm growth. This parameter may be useful for the monitoring of patients with unruptured intracranial aneurysms and may contribute to discerning the mechanism of intracranial aneurysm growth.
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Affiliation(s)
- Shinya Yamaguchi
- Department of Neurosurgery, Steel Memorial Yawata Hospital, Kitakyushu, JPN
| | - Masato Osaki
- Department of Cerebrovascular Disease, Steel Memorial Yawata Hospital, Kitakyushu, JPN
| | - Taisuke Kitamura
- Department of Cerebrovascular Disease, Steel Memorial Yawata Hospital, Kitakyushu, JPN
| | - Mariya Hokazono
- Department of Neurosurgery, Steel Memorial Yawata Hospital, Kitakyushu, JPN
| | - Kayo Wakisaka
- Department of Cerebrovascular Disease, Steel Memorial Yawata Hospital, Kitakyushu, JPN
| | - Takako Maruyama
- Department of Cerebrovascular Disease, Steel Memorial Yawata Hospital, Kitakyushu, JPN
| | - Chiharu Yasuda
- Department of Cerebrovascular Disease, Steel Memorial Yawata Hospital, Kitakyushu, JPN
| | - Tesuro Sayama
- Department of Neurosurgery, Steel Memorial Yawata Hospital, Kitakyushu, JPN
| | - Shuji Arakawa
- Department of Cerebrovascular Disease, Steel Memorial Yawata Hospital, Kitakyushu, JPN
| | - Koji Yoshimoto
- Department of Neurosurgery, Kyushu University, Fukuoka, JPN
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Skoczek AC, Haggag A. Neurological Complications Secondary to Intimate Partner Violence: A Brief Review and Case of Posterior Cerebral Artery Cerebrovascular Accident Following Domestic Abuse. Cureus 2023; 15:e42823. [PMID: 37664282 PMCID: PMC10473264 DOI: 10.7759/cureus.42823] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Accepted: 07/31/2023] [Indexed: 09/05/2023] Open
Abstract
Intimate partner violence (IPV) is a growing public health concern, with millions of individuals experiencing IPV each year. Consequences of IPV include psychological disturbances, changes in physical health, and in extreme cases, severe disablement or death. Here, we describe a case of a patient who experienced IPV, leading to a variety of neurological symptoms, and was diagnosed with a posterior cerebral artery (PCA) cerebrovascular accident (CVA) 10 days later. While cases of traumatic brain injury leading to CVA, or stroke, have been documented, there is currently limited reported literature on the neurological complications, specifically stroke, secondary to IPV in adults. Due to this limited reporting, future studies on IPV will be needed to fully understand the long-term neurological complications that may occur.
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Affiliation(s)
- Alexandra C Skoczek
- Medicine, Edward Via College of Osteopathic Medicine - Auburn, Huntsville, USA
| | - Akram Haggag
- Internal Medicine, Crestwood Medical Center, Huntsville, USA
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Muacevic A, Adler JR, Akimoto T, Ikeuchi H, Muroya A, Ohata H, Kubota Y, Chiku M, Hamano T, Yamamoto T. Magnetic Resonance Imaging Scan of the Brain After Mild COVID-19 Infection. Cureus 2023; 15:e34229. [PMID: 36852359 PMCID: PMC9963390 DOI: 10.7759/cureus.34229] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/26/2023] [Indexed: 01/27/2023] Open
Abstract
PURPOSE There have been several reports of central nervous system impairments associated with severe coronavirus disease 2019 (COVID-19) infection on head magnetic resonance imaging and angiography (MRI/A). However, head MRI/A is rarely performed in mild cases, and there have been few reports on intracranial changes after COVID-19 infection in these cases. Here, we report a comparative examination of the findings seen in common head MRI/A sequences in mild cases of COVID-19. METHODS Of the 15,376 patients who underwent head MRI/A examination called "Brain Dock" between June 2020 and June 2021, 746 patients who received a COVID-19 antibody test were evaluated. Positive and negative patients were comparatively examined for head MRI/A findings such as cerebral white matter lesions, ischemic changes, cerebral microbleeds, cerebral aneurysms, arterial stenosis, sinusitis, and other abnormal findings. RESULTS Overall, 31 (4.2%) patients were COVID-19 positive, and all of them had mild infections not requiring hospitalization. There was no significant difference in patient characteristics and head MRI/A findings between positive and negative patients. All positive patients showed no particular abnormalities in the nasal findings such as olfactory bulb atrophy or thickening of the olfactory mucosa. CONCLUSION Intracranial lesions in mild patients do not show a clear difference from those in negative patients. This indicates that findings seen in common MRI/A sequences of severe patients are not likely in mild patients, supporting that there is relatively no damage to the central nervous system in mild patients.
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Mishra SK, Herman P, Crair M, Constable RT, Walsh JJ, Akif A, Verhagen JV, Hyder F. Fluorescently-tagged magnetic protein nanoparticles for high-resolution optical and ultra-high field magnetic resonance dual-modal cerebral angiography. Nanoscale 2022; 14:17770-17788. [PMID: 36437785 PMCID: PMC9850399 DOI: 10.1039/d2nr04878g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Extremely small paramagnetic iron oxide nanoparticles (FeMNPs) (<5 nm) can enhance positive magnetic resonance imaging (MRI) contrast by shortening the longitudinal relaxation time of water (T1), but these nanoparticles experience rapid renal clearance. Here, magnetic protein nanoparticles (MPNPs) are synthesized from protein-conjugated citric acid coated FeMNPs (c-FeMNPs) without loss of the T1 MRI properties and tagged with fluorescent dye (f-MPNPs) for optical cerebrovascular imaging. The c-FeMNPs shows average size 3.8 ± 0.7 nm with T1 relaxivity (r1) of 1.86 mM-1 s-1 and transverse/longitudinal relaxivity ratio (r2/r1) of 2.53 at 11.7 T. The f-MPNPs show a higher r1 value of 2.18 mM-1 s-1 and r2/r1 ratio of 2.88 at 11.7 T, which generates excellent positive MRI contrast. In vivo cerebral angiography with f-MPNPs enables detailed microvascular contrast enhancement for differentiation of major blood vessels of murine brain, which corresponds well with whole brain three-dimensional time-of-flight MRI angiograms (17 min imaging time with 60 ms repetition time and 40 μm isotropic voxels). The real-time fluorescence angiography enables unambiguous detection of brain capillaries with diameter < 40 μm. Biodistribution examination revealed that f-MPNPs were safely cleared by the organs like the liver, spleen, and kidneys within a day after injection. Blood biochemical assays demonstrated no risk of iron overload in both rats and mice. With hybrid neuroimaging technologies (e.g., MRI-optical) on the rise, f-MPNPs built on this platform can generate exciting neuroscience applications.
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Affiliation(s)
- Sandeep K Mishra
- Department of Radiology and Biomedical Imaging, Yale University, New Haven, CT, USA
- The Anlyan Center (TAC), Magnetic Resonance Research Center, Yale University, 300 Cedar Street, New Haven, CT, 06520, USA.
| | - Peter Herman
- Department of Radiology and Biomedical Imaging, Yale University, New Haven, CT, USA
- The Anlyan Center (TAC), Magnetic Resonance Research Center, Yale University, 300 Cedar Street, New Haven, CT, 06520, USA.
| | - Michael Crair
- Department of Neuroscience, Yale University, New Haven, CT, USA
| | - R Todd Constable
- Department of Radiology and Biomedical Imaging, Yale University, New Haven, CT, USA
- Department of Neurosurgery, Yale University, New Haven, CT, USA
| | - John J Walsh
- Department of Biomedical Engineering, Yale University, New Haven, CT, USA
| | - Adil Akif
- Department of Biomedical Engineering, Yale University, New Haven, CT, USA
| | - Justus V Verhagen
- Department of Neuroscience, Yale University, New Haven, CT, USA
- The John B. Pierce Laboratory, New Haven, CT, USA
| | - Fahmeed Hyder
- Department of Radiology and Biomedical Imaging, Yale University, New Haven, CT, USA
- The Anlyan Center (TAC), Magnetic Resonance Research Center, Yale University, 300 Cedar Street, New Haven, CT, 06520, USA.
- Department of Biomedical Engineering, Yale University, New Haven, CT, USA
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Makino H, Hokamura K, Natsume T, Kimura T, Kamio Y, Magata Y, Namba H, Katoh T, Sato S, Hashimoto T, Umemura K. Successful serial imaging of the mouse cerebral arteries using conventional 3-T magnetic resonance imaging. J Cereb Blood Flow Metab 2015; 35:1523-7. [PMID: 25920958 DOI: 10.1038/jcbfm.2015.78] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/23/2014] [Revised: 03/17/2015] [Accepted: 03/26/2015] [Indexed: 11/09/2022]
Abstract
Serial imaging studies can be useful in characterizing the pathologic and physiologic remodeling of cerebral arteries in various mouse models. We tested the feasibility of using a readily available, conventional 3-T magnetic resonance imaging (MRI) to serially image cerebrovascular remodeling in mice. We utilized a mouse model of intracranial aneurysm as a mouse model of the dynamic, pathologic remodeling of cerebral arteries. Aneurysms were induced by hypertension and a single elastase injection into the cerebrospinal fluid. For the mouse cerebrovascular imaging, we used a conventional 3-T MRI system and a 40-mm saddle coil. We used non-enhanced magnetic resonance angiography (MRA) to detect intracranial aneurysm formation and T2-weighted imaging to detect aneurysmal subarachnoid hemorrhage. A serial MRI was conducted every 2 to 3 days. MRI detection of aneurysm formation and subarachnoid hemorrhage was compared against the postmortem inspection of the brain that was perfused with dye. The imaging times for the MRA and T2-weighted imaging were 3.7±0.5 minutes and 4.8±0.0 minutes, respectively. All aneurysms and subarachnoid hemorrhages were correctly identified by two masked observers on MRI. This MRI-based serial imaging technique was useful in detecting intracranial aneurysm formation and subarachnoid hemorrhage in mice.
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Kramer JH, Arnoldi E, François CJ, Wentland AL, Nikolaou K, Wintersperger BJ, Grist TM. Dynamic and static magnetic resonance angiography of the supra-aortic vessels at 3.0 T: intraindividual comparison of gadobutrol, gadobenate dimeglumine, and gadoterate meglumine at equimolar dose. Invest Radiol 2013; 48:121-8. [PMID: 23211552 PMCID: PMC3818529 DOI: 10.1097/rli.0b013e31827752b4] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
PURPOSE The purpose of this study was the intraindividual comparison of a 1.0 M and two 0.5 M gadolinium-based contrast agents (GBCA) using equimolar dosing in dynamic and static magnetic resonance angiography (MRA) of the supra-aortic vessels. MATERIALS AND METHODS In this institutional review board-approved study, a total of 20 healthy volunteers (mean ± SD age, 29 ± 6 years) underwent 3 consecutive supra-aortic MRA examinations on a 3.0 T magnetic resonance system. The order of GBCA (Gadobutrol, Gadobenate dimeglumine, and Gadoterate meglumine) was randomized with a minimum interval of 48 hours between the examinations. Before each examination and 45 minutes after each examination, circulatory parameters were recorded. Total GBCA dose per MRA examination was 0.1 mmol/kg with a 0.03 mmol/kg and 0.07 mmol/kg split for dynamic and static MRA, respectively, injected at a rate of 2 mL/s. Two blinded readers qualitatively assessed static MRA data sets independently using pairwise rankings (superior, inferior, and equal). In addition, quantitative analysis was performed with signal-to-noise ratio (SNR) and contrast-to-noise ratio (CNR) evaluation as well as vessel sharpness analysis of static MRA using an in-house-developed semiautomated tool. Dynamic MRA was evaluated for maximal SNR. Statistical analysis was performed using the Cohen κ, the Wilcoxon rank sum tests, and mixed effects models. RESULTS No significant differences of hemodynamic parameters were observed. In static MRA, Gadobutrol was rated superior to Gadoterate meglumine (P < 0.05) and equal to Gadobenate dimeglumine (P = 0.06) with good to excellent reader agreement (κ, 0.66-0.83). In static MRA, SNR was significantly higher using 1.0 M Gadobutrol as compared with either 0.5 M agent (P < 0.05 and P < 0.05) and CNR was significantly higher as compared with Gadoterate meglumine (P < 0.05), whereas CNR values of Gadobutrol data sets were not significantly different as compared with Gadobenate dimeglumine (P = 0.13). Differences in CNR between Gadobenate dimeglumine and Gadoterate meglumine were not significant (P = 0.78). Differences in vessel sharpness between the different GBCAs were also not significant (P > 0.05). Maximal SNR in dynamic MRA using Gadobutrol was significantly higher than both comparators at the level of the proximal and distal internal carotid artery (P < 0.05 and P < 0.05; P < 0.05 and P < 0.05). CONCLUSIONS At equimolar doses, 1.0 M Gadobutrol demonstrates higher SNR/CNR than do Gadobenate dimeglumine and Gadoterate meglumine, with superior image quality as compared with Gadoterate meglumine for dynamic and static carotid MRA. Despite the shortened bolus with Gadobutrol, no blurring of vessel edges was observed.
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Affiliation(s)
- Jens Harald Kramer
- Institute for Clinical Radiology, Ludwig Maximilians University Hospital Munich, Munich, Germany.
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Abstract
Renovascular disease (RVD) is an important cause of hypertension in children, as it often is amenable to potentially curative treatment. Imaging aimed at finding RVD therefore needs to have high sensitivity so as not to miss important findings. Digital subtraction angiography is the gold standard investigation. Doppler ultrasonography, computed tomography (CT) angiography and magnetic resonance (MR) angiography can all be helpful, but none has, at present, high enough sensitivity to rule out RVD in a child with a suggestion of that diagnosis.
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Affiliation(s)
- Kjell Tullus
- Department of Paediatric Nephrology, Great Ormond Street Hospital for Children NHS Trust, Great Ormond Street, London, WC1N 3JH, UK.
| | - Derek J. Roebuck
- Department of Radiology, Great Ormond Street Hospital for Children NHS Trust, London, UK
| | - Clare A. McLaren
- Department of Radiology, Great Ormond Street Hospital for Children NHS Trust, London, UK
| | - Stephen D. Marks
- Department of Paediatric Nephrology, Great Ormond Street Hospital for Children NHS Trust, Great Ormond Street, London, WC1N 3JH UK
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Beckmann N, Schuler A, Mueggler T, Meyer EP, Wiederhold KH, Staufenbiel M, Krucker T. Age-dependent cerebrovascular abnormalities and blood flow disturbances in APP23 mice modeling Alzheimer's disease. J Neurosci 2003; 23:8453-9. [PMID: 13679413 PMCID: PMC6740368] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/23/2023] Open
Abstract
Neuropathological changes associated with Alzheimer's disease (AD) such as amyloidplaques, cerebral amyloid angiopathy, and related pathologies are reproduced in APP23 transgenic mice overexpressing amyloid precursor protein (APP) with the Swedish mutation. Magnetic resonance angiography (MRA) was applied to probe, in vivo, the cerebral arterial hemodynamics of these mice. Flow voids were detected at the internal carotid artery of 11-month-old APP23 mice. At the age of 20 months, additional flow disturbances were observed in large arteries at the circle of Willis. Vascular corrosion casts obtained from the same mice revealed that vessel elimination, deformation, or both had taken place at the sites where flow voids were detected by MRA. The detailed three-dimensional architecture of the vasculature visible in the casts assisted the identification of smaller vessels most likely formed as substitution or anastomosis within the circle of Willis. Angiograms and corrosion casts from nontransgenic, age-matched mice manifested no major abnormalities in the cerebrovascular arterial flow pattern. Because no transgene overexpression has been found in the cerebrovasculature of APP23 mice and no deposits of amyloid-beta (Abeta) were observed in large arteries in the region of the circle of Willis, the present results suggest that soluble Abeta may exert deleterious effects on the vasculature. Our findings support the idea that cerebral circulatory abnormalities evolving progressively could contribute to AD pathogenesis. The study also shows the power of MRA to identify changes of vascular function in genetically engineered mice. MRA as a noninvasive technique could be applied to test new therapeutic concepts in animal models of AD and in humans.
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Affiliation(s)
- Nicolau Beckmann
- Discovery Technologies Center, Novartis Institutes for BioMedical Research, CH-4002 Basel, Switzerland.
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