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Wang LH, Leung DG, Wagner KR, Lowry SJ, McDermott MP, Eichinger K, Higgs K, Walker M, Lewis L, Martens WB, Mul K, Sansone VA, Shieh P, Elsheikh B, LoRusso S, Butterfield RJ, Johnson N, Preston MR, Messina C, Carraro E, Tawil R, Statland J. Lean tissue mass measurements by dual-energy X-ray absorptiometry and associations with strength and functional outcome measures in facioscapulohumeral muscular dystrophy. Neuromuscul Disord 2023; 33:63-68. [PMID: 37400350 PMCID: PMC10527411 DOI: 10.1016/j.nmd.2023.06.008] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2023] [Accepted: 06/20/2023] [Indexed: 07/05/2023]
Abstract
Facioscapulohumeral muscular dystrophy (FSHD) is a slowly progressive disease of skeletal muscle. Dual energy X-ray absorptiometry (DEXA) is a widely available, cost-effective and sensitive technique for measuring whole body and regional lean tissue mass and has been used in prior clinical trials in neuromuscular diseases. The Clinical Trial Readiness to Solve Barriers to Drug Development in FSHD (ReSolve) study is a prospective, longitudinal, observational multisite study. We obtained concurrent DEXA scans and functional outcome measurements in 185 patients with FSHD at the baseline visit. We determined the associations between lean tissue mass in the upper and lower extremities and corresponding clinical outcome measures. There were moderate correlations between upper and lower extremity lean tissue mass and their corresponding strengths and function. Lean tissue mass obtained by DEXA scan may be useful as a biomarker in future clinical trials in FSHD.
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Affiliation(s)
- Leo H Wang
- University of Washington, Department of Neurology, WA, USA.
| | - Doris G Leung
- Kennedy Krieger Institute, The Johns Hopkins School of Medicine, MD, USA
| | - Kathryn R Wagner
- Kennedy Krieger Institute, The Johns Hopkins School of Medicine, MD, USA
| | | | - Michael P McDermott
- University of Rochester Medical Center, Department of Biostatistics and Computational Biology, NY, USA; University of Rochester Medical Center, Department of Neurology, NY, USA
| | - Katy Eichinger
- University of Rochester Medical Center, Department of Neurology, NY, USA
| | - Kiley Higgs
- University of Kansas Medical Center, Department of Neurology, KS, USA
| | - Michaela Walker
- University of Kansas Medical Center, Department of Neurology, KS, USA
| | - Leann Lewis
- University of Rochester Medical Center, Department of Biostatistics and Computational Biology, NY, USA
| | - William B Martens
- University of Rochester Medical Center, Department of Biostatistics and Computational Biology, NY, USA
| | | | - Valeria A Sansone
- The NEMO Clinical Center, Neurorehabilitation Unit, University of Milan, Department of Neurology, Milan, Italy
| | - Perry Shieh
- University of California, Los Angeles, CA, USA
| | | | | | | | | | | | - Carmelo Messina
- Galeazzi Institute, Radiology Department, University of Milan, Italy
| | - Elena Carraro
- The NEMO Clinical Center, Neurorehabilitation Unit, University of Milan, Department of Neurology, Milan, Italy
| | - Rabi Tawil
- University of Rochester Medical Center, Department of Neurology, NY, USA
| | - Jeff Statland
- University of Kansas Medical Center, Department of Neurology, KS, USA
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Schulz A, Schuster A. Visualizing diastolic failure: Non-invasive imaging-biomarkers in patients with heart failure with preserved ejection fraction. EBioMedicine 2022; 86:104369. [PMID: 36423377 PMCID: PMC9691917 DOI: 10.1016/j.ebiom.2022.104369] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [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] [Received: 05/16/2022] [Revised: 11/02/2022] [Accepted: 11/02/2022] [Indexed: 11/22/2022] Open
Abstract
Heart failure with preserved ejection fraction is an increasing challenge for modern day medicine and has been drawing more attention recently. Invasive right heart catheterization represents the mainstay for the diagnosis of diastolic dysfunction, however due to its attributable risk of an invasive procedure, other non-invasive clinical pathways are trying to approach this pathology in clinical practice. Diastolic failure is complex, and imaging is based on various parameters. In addition to transthoracic echocardiography, numerous novel imaging approaches, such as cardiac magnetic resonance imaging, computed tomography, positron emission (computed) tomography or single photon emission tomography techniques are being used to supplement deeper insights into causal pathology and might open targets for dedicated therapy options. This article provides insights into these sophisticated imaging techniques, their incremental value for the diagnosis of this poorly understood disease and recent promising results for an enhanced prognostication of outcome and therapy monitoring.
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Affiliation(s)
| | - Andreas Schuster
- Corresponding author. Department for Cardiology and Pneumology, University Medical Center, Georg-August University, Robert-Koch-Str. 40, 37099 Göttingen, Germany.
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Xu C, Qin J, Yu J, Sun Y, Hu D, Wu G, Li Y. Association of plaque enhancement on vessel wall MRI and the phosphodiesterase 4D variant with stroke recurrence in patients with symptomatic intracranial atherosclerosis. Neuroradiology 2022; 64:1781-1794. [PMID: 35420310 DOI: 10.1007/s00234-022-02948-3] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2022] [Accepted: 04/06/2022] [Indexed: 11/26/2022]
Abstract
PURPOSE Vessel wall MRI (VW-MRI) can be used to evaluate the nature of intracranial atherosclerosis (ICAS) plaque in vivo. Phosphodiesterase 4D (PDE4D) participates in stroke development. This study aims to explore the value of VW-MRI findings and the PDE4D gene variant in predicting stroke recurrence in patients with ICAS. METHODS We prospectively recruited 324 symptomatic ICAS patients. VW-MRI was performed to determine luminal and wall changes. PDE4D gene single-nucleotide polymorphisms (SNPs)-namely, SNP32, SNP83, and SNP87-were determined by direct sequencing. The risk factors of stroke recurrence were analyzed using the multivariate Cox proportional hazards model. RESULTS Of the 324 subjects, 97 (29.9%) experienced recurrent ischemic stroke during the follow-up period. A total of 254 patients (78.4%) showed plaque enhancement; 87 of these patients experienced stroke recurrence. The CT/CC genotype frequencies of PDE4D83 were significantly higher in participants with recurrent stroke than in patients without stroke recurrence (p = 0.019 and p < 0.001, respectively). However, the PDE4D32 and PDE4D87 variants were not correlated with recurrent stroke. Multivariate analysis showed that plaque enhancement from VW-MRI (HR 4.52, 95% CI 2.35-8.73, p < 0.001) and the PDE4D83 variant (HR 7.43, 95% CI 1.75-31.87, p = 0.005) were independently correlated with stroke recurrence. Kaplan-Meier curves showed significant differences in stroke recurrence rates between the plaque-enhanced group and the non-enhanced group (p < 0.001) and between the PDE4D83 variant carriers and noncarriers (p = 0.002). CONCLUSION Plaque enhancement on VW-MRI and the presence of the PDE4D83 variant are associated with ischemic stroke recurrence in subjects with symptomatic ICAS.
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Affiliation(s)
- Chuanhui Xu
- Department of Radiology, Qingpu Branch of Zhongshan Hospital Affiliated to Fudan University, 1158 Gongyuan East Road, Qingpu District, Shanghai, 201700, China
| | - Jun Qin
- Department of General Surgery, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, 100 Haining Road, Hongkou District, Shanghai, 200080, China
| | - Jinhui Yu
- Department of Radiology, Qingpu Branch of Zhongshan Hospital Affiliated to Fudan University, 1158 Gongyuan East Road, Qingpu District, Shanghai, 201700, China
| | - Yan Sun
- Department of Radiology, Qingpu Branch of Zhongshan Hospital Affiliated to Fudan University, 1158 Gongyuan East Road, Qingpu District, Shanghai, 201700, China
| | - Dongmin Hu
- Department of Radiology, Qingpu Branch of Zhongshan Hospital Affiliated to Fudan University, 1158 Gongyuan East Road, Qingpu District, Shanghai, 201700, China
| | - Gang Wu
- Department of Radiology, Qingpu Branch of Zhongshan Hospital Affiliated to Fudan University, 1158 Gongyuan East Road, Qingpu District, Shanghai, 201700, China
| | - Yang Li
- Department of General Surgery, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, 100 Haining Road, Hongkou District, Shanghai, 200080, China.
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Liu F, Song M, Huang X, Yi H, Chen H, Tian F. Symptomatic plaque enhancement is associated with early-onset post-stroke depression. J Affect Disord 2022; 306:281-7. [PMID: 35337924 DOI: 10.1016/j.jad.2022.03.026] [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] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/04/2021] [Revised: 01/07/2022] [Accepted: 03/10/2022] [Indexed: 11/20/2022]
Abstract
BACKGROUND The association between imaging features closely associated with symptomatic intracranial atherosclerotic plaques and early-onset post-stroke depression (PSD) is currently unclear. MATERIALS AND METHODS 76 ischemic stroke patients who underwent high-resolution vessel wall magnetic resonance imaging (HR-VWI) were divided into PSD and non-PSD groups according to their DSM-V diagnoses and HAMD-17 scores at 14 days after onset. Clinical data and the imaging features associated with symptomatic plaques (including the enhancement index (EI), remodeling index, and plaque surface irregularity) were compared between groups. Multifactorial logistic regression analysis was used to find independent predictors of early-onset PSD. Spearman rank correlation analysis explores the association between clinical data, symptomatic plaque imaging features, and HAMD-17 in patients. RESULTS The sample comprised 36 patients with early-onset PSD. The symptomatic plaque EI and infarct volume were significantly higher in depressed patients than in patients without depression (P < 0.05). Multivariate logistic regression showed that symptomatic plaque EI could be used as an independent predictor of early-onset PSD after correcting for the confounding factor of infarct volume (OR = 1.034, 95% CI:1.014-1.055, P = 0.001). In the total sample, symptomatic plaque EI, infarct volume, and HAMD-17 had a significant positive correlation with each other (P < 0.05). LIMITATIONS This study focused only on the patients' symptomatic plaques and did not monitor patients' systemic inflammation levels at the time of HR-VWI. CONCLUSIONS The degree of symptomatic plaque enhancement is an independent predictive imaging marker of early-onset PSD and can be used the early diagnosis of early-onset PSD.
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Chitalia R, Viswanath V, Pantel AR, Peterson LM, Gastounioti A, Cohen EA, Muzi M, Karp J, Mankoff DA, Kontos D. Functional 4-D clustering for characterizing intratumor heterogeneity in dynamic imaging: evaluation in FDG PET as a prognostic biomarker for breast cancer. Eur J Nucl Med Mol Imaging 2021; 48:3990-4001. [PMID: 33677641 PMCID: PMC8421450 DOI: 10.1007/s00259-021-05265-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2020] [Accepted: 02/14/2021] [Indexed: 01/13/2023]
Abstract
Purpose Probe-based dynamic (4-D) imaging modalities capture breast intratumor heterogeneity both spatially and kinetically. Characterizing heterogeneity through tumor sub-populations with distinct functional behavior may elucidate tumor biology to improve targeted therapy specificity and enable precision clinical decision making. Methods We propose an unsupervised clustering algorithm for 4-D imaging that integrates Markov-Random Field (MRF) image segmentation with time-series analysis to characterize kinetic intratumor heterogeneity. We applied this to dynamic FDG PET scans by identifying distinct time-activity curve (TAC) profiles with spatial proximity constraints. We first evaluated algorithm performance using simulated dynamic data. We then applied our algorithm to a dataset of 50 women with locally advanced breast cancer imaged by dynamic FDG PET prior to treatment and followed to monitor for disease recurrence. A functional tumor heterogeneity (FTH) signature was then extracted from functionally distinct sub-regions within each tumor. Cross-validated time-to-event analysis was performed to assess the prognostic value of FTH signatures compared to established histopathological and kinetic prognostic markers. Results Adding FTH signatures to a baseline model of known predictors of disease recurrence and established FDG PET uptake and kinetic markers improved the concordance statistic (C-statistic) from 0.59 to 0.74 (p = 0.005). Unsupervised hierarchical clustering of the FTH signatures identified two significant (p < 0.001) phenotypes of tumor heterogeneity corresponding to high and low FTH. Distributions of FDG flux, or Ki, were significantly different (p = 0.04) across the two phenotypes. Conclusions Our findings suggest that imaging markers of FTH add independent value beyond standard PET imaging metrics in predicting recurrence-free survival in breast cancer and thus merit further study. Supplementary Information The online version contains supplementary material available at 10.1007/s00259-021-05265-8.
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Affiliation(s)
- Rhea Chitalia
- Department of Bioengineering, University of Pennsylvania, Philadelphia, PA, USA.,Department of Radiology, University of Pennsylvania, Rm. D702 Richards Bldg. 3700 Hamilton Walk, Philadelphia, PA, 19104, USA
| | - Varsha Viswanath
- Department of Bioengineering, University of Pennsylvania, Philadelphia, PA, USA.,Department of Radiology, University of Pennsylvania, Rm. D702 Richards Bldg. 3700 Hamilton Walk, Philadelphia, PA, 19104, USA
| | - Austin R Pantel
- Department of Radiology, University of Pennsylvania, Rm. D702 Richards Bldg. 3700 Hamilton Walk, Philadelphia, PA, 19104, USA
| | | | - Aimilia Gastounioti
- Department of Radiology, University of Pennsylvania, Rm. D702 Richards Bldg. 3700 Hamilton Walk, Philadelphia, PA, 19104, USA
| | - Eric A Cohen
- Department of Radiology, University of Pennsylvania, Rm. D702 Richards Bldg. 3700 Hamilton Walk, Philadelphia, PA, 19104, USA
| | - Mark Muzi
- Department of Radiology, University of Washington, Seattle, WA, USA
| | - Joel Karp
- Department of Radiology, University of Pennsylvania, Rm. D702 Richards Bldg. 3700 Hamilton Walk, Philadelphia, PA, 19104, USA
| | - David A Mankoff
- Department of Radiology, University of Pennsylvania, Rm. D702 Richards Bldg. 3700 Hamilton Walk, Philadelphia, PA, 19104, USA
| | - Despina Kontos
- Department of Radiology, University of Pennsylvania, Rm. D702 Richards Bldg. 3700 Hamilton Walk, Philadelphia, PA, 19104, USA.
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Hostettler IC, Bernal-Quiros M, Wong A, Sharma N, Wilson D, Seiffge DJ, Shakeshaft C, Jäger HR, Cohen H, Yousry T, Al-Shahi Salman R, Lip GYH, Brown MM, Muir KW, Werring DJ, Houlden H. C9orf72 and intracerebral hemorrhage. Neurobiol Aging 2019; 84:237.e1-237.e3. [PMID: 31582231 DOI: 10.1016/j.neurobiolaging.2019.07.007] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2019] [Revised: 05/30/2019] [Accepted: 07/10/2019] [Indexed: 11/24/2022]
Abstract
The chromosome 9 open reading frame 72 (C9orf72) GGGGCC repeat expansion has been associated with several diseases, including amyotrophic lateral sclerosis (ALS) and frontotemporal dementia. It has also been associated with increased white matter changes in frontotemporal dementia and risk of cognitive impairment in ALS. Dementia is common both before and after intracerebral hemorrhage (ICH). Because the mechanisms of cognitive impairment in patients with ICH are uncertain, we investigated whether C9orf72 could influence dementia risk in this patient group. Therefore, we genotyped 1010 clinically characterized ICH cases and 2147 population controls in comparison with prior data of dementia and ALS cases. We did not find any association between C9orf72 repeat expansion and repeat size with ICH compared with controls or with dementia when assessing ICH patients only. The frequency of C9orf72 expansions in our series of individuals born in 1946 (2/2147) and other U.K. controls was age dependent, decreasing with increasing age, highlighting the high age-dependent penetrance of this expansion.
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Affiliation(s)
- Isabel C Hostettler
- Stroke Research Centre, University College London, Institute of Neurology, London, UK; Neurogenetics Laboratory, The National Hospital of Neurology and Neurosurgery and UCL Institute of Neurology, London, UK
| | - Manuel Bernal-Quiros
- Neurogenetics Laboratory, The National Hospital of Neurology and Neurosurgery and UCL Institute of Neurology, London, UK
| | - Andrew Wong
- MRC Unit for Lifelong Health and Ageing at UCL, London, UK
| | - Nikhil Sharma
- Department of Neurology, The National Hospital of Neurology and Neurosurgery, London, UK; Department of Neuromuscular Diseases, UCL Queen Square Institute of Neurology, London, UK
| | - Duncan Wilson
- Stroke Research Centre, University College London, Institute of Neurology, London, UK
| | - David J Seiffge
- Stroke Research Centre, University College London, Institute of Neurology, London, UK; Stroke Centre and Institute of Neurology, University Hospital and University Basel, Basel, Switzerland; Department of Neurology and Stroke Center, Inselspital, University Hospital Bern, Bern, Switzerland
| | - Clare Shakeshaft
- Stroke Research Centre, University College London, Institute of Neurology, London, UK
| | - Hans R Jäger
- Neuroradiological Academic Unit, Department of Brain Repair & Rehabilitation, University College London Institute of Neurology, London, UK
| | - Hannah Cohen
- Haemostasis Research Unit, Department of Haematology, University College London, London, UK
| | - Tarek Yousry
- Neuroradiological Academic Unit, Department of Brain Repair & Rehabilitation, University College London Institute of Neurology, London, UK
| | - Rustam Al-Shahi Salman
- Centre for Clinical Brain Sciences, School of Clinical Sciences, University of Edinburgh, Edinburgh, UK
| | - Gregory Y H Lip
- Liverpool Centre for Cardiovascular Science, University of Liverpool and Liverpool Heart & Chest Hospital, Liverpool, UK; Aalborg Thrombosis Research Unit, Department of Clinical Medicine, Aalborg University, Aalborg, Denmark
| | - Martin M Brown
- Stroke Research Centre, University College London, Institute of Neurology, London, UK
| | - Keith W Muir
- Institute of Neuroscience & Psychology, University of Glasgow, Queen Elizabeth University Hospital, Glasgow, UK
| | - David J Werring
- Stroke Research Centre, University College London, Institute of Neurology, London, UK
| | - Henry Houlden
- Neurogenetics Laboratory, The National Hospital of Neurology and Neurosurgery and UCL Institute of Neurology, London, UK.
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Huang YW, Yang MF. Combining Investigation of Imaging Markers (Island Sign and Blend Sign) and Clinical Factors in Predicting Hematoma Expansion of Intracerebral Hemorrhage in the Basal Ganglia. World Neurosurg 2018; 120:e1000-e1010. [PMID: 30201578 DOI: 10.1016/j.wneu.2018.08.214] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [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: 05/23/2018] [Revised: 08/27/2018] [Accepted: 08/29/2018] [Indexed: 12/21/2022]
Abstract
BACKGROUND AND OBJECTIVE Intracerebral hemorrhage (ICH) is the most difficult-to-treat form of stroke and accounts for about 10%-30% of all strokes worldwide. Hematoma expansion (HE), which occurs in one third of patients with ICH, is strongly predictive of worse prognosis and potentially preventable if high-risk patients are identified in the early phase of ICH. We summarized data from recent studies on HE prediction and classified those potential indicators into 2 categories: 1) clinical and laboratory and 2) radiographic. Therefore, we aimed to identify the accuracy of L, that is, the value of combining predictors in predicting HE of ICH in basal ganglia. METHODS We retrospectively investigated the clinical database of Qinghai Provincial People's Hospital for patients with ICH aged >18 years between January 2015 and January 2018. As inclusion criteria, we defined 1) ICH diagnosed on noncontrast computed tomography (CT); 2) noncontrast CT performed on enrollment within 6 hours after onset of symptoms; 3) follow-up CT scan performed within 24 hours after the baseline CT scan; and 4) all of the primary hematoma was located in the basal ganglia. Univariate and multivariate logistic regression analysis were used to analyze the potential HE predictors, and then receiver operating characteristic curves were used to evaluate the L (the value of combining predictors) of imaging markers and clinical factors in predicting HE. RESULTS Of the 99 patients with HE, island sign was present in 48.48% (48/99) of patients and blend sign was present in 34.34% (34/99) of patients. Multivariate logistic regression analysis identified time to baseline CT scan (odds ratio [OR] 1.574; 95% confidence interval [CI] 1.205-2.054; P = 0.001), baseline hematoma volume (P = 0.001), presence of island sign (OR 11.247; 95% CI 4.701-26.909; P = 0.000), presence of blend sign (OR 3.104; 95% CI 1.425-6.765; P = 0.004), anticoagulants use or international normalized ratio >1.5 (OR 2.755; 95% CI 1.072-7.082; P = 0.035), and intraventricular hemorrhage (OR 2.351; 95% CI 1.066-5.187; P = 0.034) as independent predictors of HE. The sensitivity and specificity of L (value of combining predictors) were 88.89% and 80.84%, respectively; the area under the curve was 0.918. CONCLUSIONS The findings indicated that the ability of L to predict HE was much more excellent than these 6 predictors alone. L showed a high association with HE, with an accuracy of 91.8%, and was a reliable value of combining predictors in terms of predicting HE. L may serve as a promising, noninvasive tool for clinical therapeutic strategy.
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Affiliation(s)
- Yong-Wei Huang
- Graduate School, Qinghai University, Xining, Qinghai, China
| | - Ming-Fei Yang
- Neurosurgery, Qinghai Provincial People's Hospital, Xining, Qinghai, China.
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