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Li X, Zhang J, Zhang J, Wang L, Tian J, Tang H, Mossa-Basha M, Zhao B, Wan J, Xu J, Zhou Y, Sun B, Zhao H, Zhu C. Optimizing timing for quantification of intracranial aneurysm enhancement: a multi-phase contrast-enhanced vessel wall MRI study. Eur Radiol 2024:10.1007/s00330-024-10827-z. [PMID: 38856782 DOI: 10.1007/s00330-024-10827-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2024] [Revised: 04/09/2024] [Accepted: 04/14/2024] [Indexed: 06/11/2024]
Abstract
OBJECTIVES Aneurysm wall enhancement (AWE) on high-resolution contrast-enhanced vessel wall MRI (VWMRI) is an emerging biomarker for intracranial aneurysms (IAs) stability. Quantification methods of AWE in the literature, however, are variable. We aimed to determine the optimal post-contrast timing to quantify AWE in both saccular and fusiform IAs. MATERIALS AND METHODS Consecutive patients with unruptured IAs were prospectively recruited. VWMRI was acquired on 1 pre-contrast and 4 consecutive post-contrast phases (each phase was 9 min). Signal intensity values of cerebrospinal fluid (CSF) and aneurysm wall on pre- and 4 post-contrast phases were measured to determine the aneurysm wall enhancement index (WEI). AWE was also qualitatively analyzed on post-contrast images using previous grading criteria. The dynamic changes of AWE grade and WEI were analyzed for both saccular and fusiform IAs. RESULTS Thirty-four patients with 42 IAs (27 saccular IAs and 15 fusiform IAs) were included. The changes in AWE grade occurred in 8 (30%) saccular IAs and 6 (40%) in fusiform IAs during the 4 post-contrast phases. The WEI of fusiform IAs decreased 22.0% over time after contrast enhancement (p = 0.009), while the WEI of saccular IAs kept constant during the 4 post-contrast phases (p > 0.05). CONCLUSIONS When performing quantitative analysis of AWE, acquiring post-contrast VWMRI immediately after contrast injection achieves the strongest AWE for fusiform IAs. While the AWE degree is stable for 36 min after contrast injection for saccular IAs. CLINICAL RELEVANCE STATEMENT The standardization of imaging protocols and analysis methods for AWE will be helpful for imaging surveillance and further treatment decisions of patients with unruptured IAs. KEY POINTS Imaging protocols and measurements of intracranial aneurysm wall enhancement are reported heterogeneously. Aneurysm wall enhancement for fusiform intracranial aneurysms (IAs) is strongest immediately post-contrast, and stable for 36 min for saccular IAs. Future multi-center studies should investigate aneurysm wall enhancement as an emerging marker of aneurysm growth and rupture.
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Affiliation(s)
- Xiao Li
- Department of Radiology, Ren Ji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- College of Health Science and Technology, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Jianjian Zhang
- Department of Radiology, Ren Ji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- College of Health Science and Technology, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Jin Zhang
- Department of Radiology, Ren Ji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- College of Health Science and Technology, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Lingling Wang
- Department of Radiology, Ren Ji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- College of Health Science and Technology, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Jiaqi Tian
- Department of Radiology, Ren Ji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- College of Health Science and Technology, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Hui Tang
- Department of Radiology, Ren Ji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- College of Health Science and Technology, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | | | - Bing Zhao
- Department of Neurosurgery, Ren Ji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Jieqing Wan
- Department of Neurosurgery, Ren Ji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Jianrong Xu
- Department of Radiology, Ren Ji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- College of Health Science and Technology, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yan Zhou
- Department of Radiology, Ren Ji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- College of Health Science and Technology, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Beibei Sun
- Department of Radiology, Ren Ji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.
- College of Health Science and Technology, Shanghai Jiao Tong University School of Medicine, Shanghai, China.
| | - Huilin Zhao
- Department of Radiology, Ren Ji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.
- College of Health Science and Technology, Shanghai Jiao Tong University School of Medicine, Shanghai, China.
| | - Chengcheng Zhu
- Department of Radiology, University of Washington, Seattle, WA, USA.
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Xiao J, Poblete RA, Lerner A, Nguyen PL, Song JW, Sanossian N, Wilcox AG, Song SS, Lyden PD, Saver JL, Wasserman BA, Fan Z. MRI in the Evaluation of Cryptogenic Stroke and Embolic Stroke of Undetermined Source. Radiology 2024; 311:e231934. [PMID: 38652031 PMCID: PMC11070612 DOI: 10.1148/radiol.231934] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2023] [Revised: 12/15/2023] [Accepted: 12/21/2023] [Indexed: 04/25/2024]
Abstract
Cryptogenic stroke refers to a stroke of undetermined etiology. It accounts for approximately one-fifth of ischemic strokes and has a higher prevalence in younger patients. Embolic stroke of undetermined source (ESUS) refers to a subgroup of patients with nonlacunar cryptogenic strokes in whom embolism is the suspected stroke mechanism. Under the classifications of cryptogenic stroke or ESUS, there is wide heterogeneity in possible stroke mechanisms. In the absence of a confirmed stroke etiology, there is no established treatment for secondary prevention of stroke in patients experiencing cryptogenic stroke or ESUS, despite several clinical trials, leaving physicians with a clinical dilemma. Both conventional and advanced MRI techniques are available in clinical practice to identify differentiating features and stroke patterns and to determine or infer the underlying etiologic cause, such as atherosclerotic plaques and cardiogenic or paradoxical embolism due to occult pelvic venous thrombi. The aim of this review is to highlight the diagnostic utility of various MRI techniques in patients with cryptogenic stroke or ESUS. Future trends in technological advancement for promoting the adoption of MRI in such a special clinical application are also discussed.
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Affiliation(s)
- Jiayu Xiao
- From the Departments of Radiology (J.X., A.L., A.G.W., Z.F.),
Neurology (R.A.P., P.L.N., N.S., P.D.L.), Physiology and Neuroscience (P.D.L.),
Biomedical Engineering (Z.F.), and Radiation Oncology (Z.F.), University of
Southern California, 2250 Alcazar St, CSC Room 104, Los Angeles, CA 90033;
Department of Radiology, Hospital of the University of Pennsylvania,
Philadelphia, Pa (J.W.S.); Department of Neurology, Cedars-Sinai Medical Center,
Los Angeles, Calif (S.S.S.); Comprehensive Stroke Center and Department of
Neurology, David Geffen School of Medicine, University of California–Los
Angeles, Los Angeles, Calif (J.L.S.); Department of Diagnostic Radiology and
Nuclear Medicine, University of Maryland–Baltimore, Baltimore, Md
(B.A.W.); and Department of Radiology and Radiological Sciences, Johns Hopkins
University, Baltimore, Md (B.A.W.)
| | - Roy A. Poblete
- From the Departments of Radiology (J.X., A.L., A.G.W., Z.F.),
Neurology (R.A.P., P.L.N., N.S., P.D.L.), Physiology and Neuroscience (P.D.L.),
Biomedical Engineering (Z.F.), and Radiation Oncology (Z.F.), University of
Southern California, 2250 Alcazar St, CSC Room 104, Los Angeles, CA 90033;
Department of Radiology, Hospital of the University of Pennsylvania,
Philadelphia, Pa (J.W.S.); Department of Neurology, Cedars-Sinai Medical Center,
Los Angeles, Calif (S.S.S.); Comprehensive Stroke Center and Department of
Neurology, David Geffen School of Medicine, University of California–Los
Angeles, Los Angeles, Calif (J.L.S.); Department of Diagnostic Radiology and
Nuclear Medicine, University of Maryland–Baltimore, Baltimore, Md
(B.A.W.); and Department of Radiology and Radiological Sciences, Johns Hopkins
University, Baltimore, Md (B.A.W.)
| | - Alexander Lerner
- From the Departments of Radiology (J.X., A.L., A.G.W., Z.F.),
Neurology (R.A.P., P.L.N., N.S., P.D.L.), Physiology and Neuroscience (P.D.L.),
Biomedical Engineering (Z.F.), and Radiation Oncology (Z.F.), University of
Southern California, 2250 Alcazar St, CSC Room 104, Los Angeles, CA 90033;
Department of Radiology, Hospital of the University of Pennsylvania,
Philadelphia, Pa (J.W.S.); Department of Neurology, Cedars-Sinai Medical Center,
Los Angeles, Calif (S.S.S.); Comprehensive Stroke Center and Department of
Neurology, David Geffen School of Medicine, University of California–Los
Angeles, Los Angeles, Calif (J.L.S.); Department of Diagnostic Radiology and
Nuclear Medicine, University of Maryland–Baltimore, Baltimore, Md
(B.A.W.); and Department of Radiology and Radiological Sciences, Johns Hopkins
University, Baltimore, Md (B.A.W.)
| | - Peggy L. Nguyen
- From the Departments of Radiology (J.X., A.L., A.G.W., Z.F.),
Neurology (R.A.P., P.L.N., N.S., P.D.L.), Physiology and Neuroscience (P.D.L.),
Biomedical Engineering (Z.F.), and Radiation Oncology (Z.F.), University of
Southern California, 2250 Alcazar St, CSC Room 104, Los Angeles, CA 90033;
Department of Radiology, Hospital of the University of Pennsylvania,
Philadelphia, Pa (J.W.S.); Department of Neurology, Cedars-Sinai Medical Center,
Los Angeles, Calif (S.S.S.); Comprehensive Stroke Center and Department of
Neurology, David Geffen School of Medicine, University of California–Los
Angeles, Los Angeles, Calif (J.L.S.); Department of Diagnostic Radiology and
Nuclear Medicine, University of Maryland–Baltimore, Baltimore, Md
(B.A.W.); and Department of Radiology and Radiological Sciences, Johns Hopkins
University, Baltimore, Md (B.A.W.)
| | - Jae W. Song
- From the Departments of Radiology (J.X., A.L., A.G.W., Z.F.),
Neurology (R.A.P., P.L.N., N.S., P.D.L.), Physiology and Neuroscience (P.D.L.),
Biomedical Engineering (Z.F.), and Radiation Oncology (Z.F.), University of
Southern California, 2250 Alcazar St, CSC Room 104, Los Angeles, CA 90033;
Department of Radiology, Hospital of the University of Pennsylvania,
Philadelphia, Pa (J.W.S.); Department of Neurology, Cedars-Sinai Medical Center,
Los Angeles, Calif (S.S.S.); Comprehensive Stroke Center and Department of
Neurology, David Geffen School of Medicine, University of California–Los
Angeles, Los Angeles, Calif (J.L.S.); Department of Diagnostic Radiology and
Nuclear Medicine, University of Maryland–Baltimore, Baltimore, Md
(B.A.W.); and Department of Radiology and Radiological Sciences, Johns Hopkins
University, Baltimore, Md (B.A.W.)
| | - Nerses Sanossian
- From the Departments of Radiology (J.X., A.L., A.G.W., Z.F.),
Neurology (R.A.P., P.L.N., N.S., P.D.L.), Physiology and Neuroscience (P.D.L.),
Biomedical Engineering (Z.F.), and Radiation Oncology (Z.F.), University of
Southern California, 2250 Alcazar St, CSC Room 104, Los Angeles, CA 90033;
Department of Radiology, Hospital of the University of Pennsylvania,
Philadelphia, Pa (J.W.S.); Department of Neurology, Cedars-Sinai Medical Center,
Los Angeles, Calif (S.S.S.); Comprehensive Stroke Center and Department of
Neurology, David Geffen School of Medicine, University of California–Los
Angeles, Los Angeles, Calif (J.L.S.); Department of Diagnostic Radiology and
Nuclear Medicine, University of Maryland–Baltimore, Baltimore, Md
(B.A.W.); and Department of Radiology and Radiological Sciences, Johns Hopkins
University, Baltimore, Md (B.A.W.)
| | - Alison G. Wilcox
- From the Departments of Radiology (J.X., A.L., A.G.W., Z.F.),
Neurology (R.A.P., P.L.N., N.S., P.D.L.), Physiology and Neuroscience (P.D.L.),
Biomedical Engineering (Z.F.), and Radiation Oncology (Z.F.), University of
Southern California, 2250 Alcazar St, CSC Room 104, Los Angeles, CA 90033;
Department of Radiology, Hospital of the University of Pennsylvania,
Philadelphia, Pa (J.W.S.); Department of Neurology, Cedars-Sinai Medical Center,
Los Angeles, Calif (S.S.S.); Comprehensive Stroke Center and Department of
Neurology, David Geffen School of Medicine, University of California–Los
Angeles, Los Angeles, Calif (J.L.S.); Department of Diagnostic Radiology and
Nuclear Medicine, University of Maryland–Baltimore, Baltimore, Md
(B.A.W.); and Department of Radiology and Radiological Sciences, Johns Hopkins
University, Baltimore, Md (B.A.W.)
| | - Shlee S. Song
- From the Departments of Radiology (J.X., A.L., A.G.W., Z.F.),
Neurology (R.A.P., P.L.N., N.S., P.D.L.), Physiology and Neuroscience (P.D.L.),
Biomedical Engineering (Z.F.), and Radiation Oncology (Z.F.), University of
Southern California, 2250 Alcazar St, CSC Room 104, Los Angeles, CA 90033;
Department of Radiology, Hospital of the University of Pennsylvania,
Philadelphia, Pa (J.W.S.); Department of Neurology, Cedars-Sinai Medical Center,
Los Angeles, Calif (S.S.S.); Comprehensive Stroke Center and Department of
Neurology, David Geffen School of Medicine, University of California–Los
Angeles, Los Angeles, Calif (J.L.S.); Department of Diagnostic Radiology and
Nuclear Medicine, University of Maryland–Baltimore, Baltimore, Md
(B.A.W.); and Department of Radiology and Radiological Sciences, Johns Hopkins
University, Baltimore, Md (B.A.W.)
| | - Patrick D. Lyden
- From the Departments of Radiology (J.X., A.L., A.G.W., Z.F.),
Neurology (R.A.P., P.L.N., N.S., P.D.L.), Physiology and Neuroscience (P.D.L.),
Biomedical Engineering (Z.F.), and Radiation Oncology (Z.F.), University of
Southern California, 2250 Alcazar St, CSC Room 104, Los Angeles, CA 90033;
Department of Radiology, Hospital of the University of Pennsylvania,
Philadelphia, Pa (J.W.S.); Department of Neurology, Cedars-Sinai Medical Center,
Los Angeles, Calif (S.S.S.); Comprehensive Stroke Center and Department of
Neurology, David Geffen School of Medicine, University of California–Los
Angeles, Los Angeles, Calif (J.L.S.); Department of Diagnostic Radiology and
Nuclear Medicine, University of Maryland–Baltimore, Baltimore, Md
(B.A.W.); and Department of Radiology and Radiological Sciences, Johns Hopkins
University, Baltimore, Md (B.A.W.)
| | - Jeffrey L. Saver
- From the Departments of Radiology (J.X., A.L., A.G.W., Z.F.),
Neurology (R.A.P., P.L.N., N.S., P.D.L.), Physiology and Neuroscience (P.D.L.),
Biomedical Engineering (Z.F.), and Radiation Oncology (Z.F.), University of
Southern California, 2250 Alcazar St, CSC Room 104, Los Angeles, CA 90033;
Department of Radiology, Hospital of the University of Pennsylvania,
Philadelphia, Pa (J.W.S.); Department of Neurology, Cedars-Sinai Medical Center,
Los Angeles, Calif (S.S.S.); Comprehensive Stroke Center and Department of
Neurology, David Geffen School of Medicine, University of California–Los
Angeles, Los Angeles, Calif (J.L.S.); Department of Diagnostic Radiology and
Nuclear Medicine, University of Maryland–Baltimore, Baltimore, Md
(B.A.W.); and Department of Radiology and Radiological Sciences, Johns Hopkins
University, Baltimore, Md (B.A.W.)
| | - Bruce A. Wasserman
- From the Departments of Radiology (J.X., A.L., A.G.W., Z.F.),
Neurology (R.A.P., P.L.N., N.S., P.D.L.), Physiology and Neuroscience (P.D.L.),
Biomedical Engineering (Z.F.), and Radiation Oncology (Z.F.), University of
Southern California, 2250 Alcazar St, CSC Room 104, Los Angeles, CA 90033;
Department of Radiology, Hospital of the University of Pennsylvania,
Philadelphia, Pa (J.W.S.); Department of Neurology, Cedars-Sinai Medical Center,
Los Angeles, Calif (S.S.S.); Comprehensive Stroke Center and Department of
Neurology, David Geffen School of Medicine, University of California–Los
Angeles, Los Angeles, Calif (J.L.S.); Department of Diagnostic Radiology and
Nuclear Medicine, University of Maryland–Baltimore, Baltimore, Md
(B.A.W.); and Department of Radiology and Radiological Sciences, Johns Hopkins
University, Baltimore, Md (B.A.W.)
| | - Zhaoyang Fan
- From the Departments of Radiology (J.X., A.L., A.G.W., Z.F.),
Neurology (R.A.P., P.L.N., N.S., P.D.L.), Physiology and Neuroscience (P.D.L.),
Biomedical Engineering (Z.F.), and Radiation Oncology (Z.F.), University of
Southern California, 2250 Alcazar St, CSC Room 104, Los Angeles, CA 90033;
Department of Radiology, Hospital of the University of Pennsylvania,
Philadelphia, Pa (J.W.S.); Department of Neurology, Cedars-Sinai Medical Center,
Los Angeles, Calif (S.S.S.); Comprehensive Stroke Center and Department of
Neurology, David Geffen School of Medicine, University of California–Los
Angeles, Los Angeles, Calif (J.L.S.); Department of Diagnostic Radiology and
Nuclear Medicine, University of Maryland–Baltimore, Baltimore, Md
(B.A.W.); and Department of Radiology and Radiological Sciences, Johns Hopkins
University, Baltimore, Md (B.A.W.)
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6
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Sannananja B, Zhu C, Colip CG, Somasundaram A, Ibrahim M, Khrisat T, Mossa-Basha M. Image-Quality Assessment of 3D Intracranial Vessel Wall MRI Using DANTE or DANTE-CAIPI for Blood Suppression and Imaging Acceleration. AJNR Am J Neuroradiol 2022; 43:837-843. [PMID: 35618420 DOI: 10.3174/ajnr.a7531] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2021] [Accepted: 04/13/2022] [Indexed: 11/07/2022]
Abstract
BACKGROUND AND PURPOSE 3D intracranial vessel wall MRI techniques are time consuming and prone to artifacts, especially flow artifacts. Our aim was to compare the image quality of accelerated and flow-suppressed 3D intracranial vessel wall MR imaging techniques relative to conventional acquisitions. MATERIALS AND METHODS Consecutive patients undergoing MR imaging had conventional postcontrast 3D T1-sampling perfection with application-optimized contrasts by using different flip angle evolution (SPACE) and either postcontrast delay alternating with nutation for tailored excitation (DANTE) flow-suppressed or DANTE-controlled aliasing in parallel imaging results in higher acceleration (CAIPI) flow-suppressed and accelerated T1-SPACE sequences performed. The sequences were evaluated using 4- or 5-point Likert scales for overall image quality, SNR, extent/severity of artifacts, motion, blood suppression, sharpness, and lesion assessment. Quantitative assessment of lumen and wall-to-lumen contrast ratios was performed. RESULTS Eighty-nine patients were included. T1-DANTE-SPACE had significantly better qualitative ratings relative to T1-SPACE for image quality, SNR, artifact impact, arterial and venous suppression, and lesion assessment (P < .001 for each, respectively), with the exception of motion (P = .16). T1-DANTE-CAIPI-SPACE had significantly better image quality, lesion assessment, arterial and venous blood suppression, less artifact impact, and less motion compared with T1-SPACE (P < .001 for each, respectively). The SNR was higher with T1-SPACE compared with T1-DANTE-CAIPI-SPACE (P < .001). T1-DANTE-CAIPI-SPACE showed significantly worse lumen (P = .005) and wall-to-lumen contrast ratios (P = .001) compared with T1-SPACE, without a significant difference between T1-SPACE and T1-DANTE-SPACE. T1-DANTE-CAIPI-SPACE scan time was 5:11 minutes compared with 8:08 and 8:41 minutes for conventional T1-SPACE and T1-DANTE-SPACE, respectively. CONCLUSIONS Accelerated postcontrast T1-DANTE-CAIPI-SPACE had fewer image artifacts, less motion, improved blood suppression, and a shorter scan time, but lower qualitative and quantitative SNR ratings relative to conventional T1-SPACE intracranial vessel wall MR imaging. Postcontrast T1-DANTE-SPACE had superior SNR, blood suppression, higher image quality, and fewer image artifacts, but slightly longer scan times relative to T1-SPACE.
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Affiliation(s)
- B Sannananja
- From the Department of Radiology (B.S., A.S.), Emory University, Atlanta, Georgia
| | - C Zhu
- Department of Radiology (C.Z., M.M.-B.), University of Washington, Seattle, Washington
| | - C G Colip
- Kaiser Permanente Northwest (C.G.C.), Portland, OR
| | - A Somasundaram
- From the Department of Radiology (B.S., A.S.), Emory University, Atlanta, Georgia
| | - M Ibrahim
- Department of Radiology (M.I.), University of Kansas, Lawrence, Kansas
| | - T Khrisat
- Department of Surgery (T.K.), Lincoln Medical Center, New York, New York
| | - M Mossa-Basha
- Department of Radiology (C.Z., M.M.-B.), University of Washington, Seattle, Washington
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