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Article ; Online: Reader Response: Prevalence and Significance of Impaired Microvascular Tissue Reperfusion Despite Macrovascular Angiographic Reperfusion (No-Reflow).

Ter Schiphorst, Adrien / Oppenheim, Catherine / Baron, Jean-Claude

2023 Volume 100, Issue 4, Page(s) 217–218

MeSH term(s)	Humans ; Prevalence ; Reperfusion ; Myocardial Infarction ; Angiography ; Coronary Circulation ; Microcirculation
Language	English
Publishing date	2023-01-20
Publishing country	United States
Document type	Journal Article ; Comment
ZDB-ID	207147-2
ISSN	1526-632X ; 0028-3878
ISSN (online)	1526-632X
ISSN	0028-3878
DOI	10.1212/WNL.0000000000206786
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Article ; Online: Remote Diffusion-Weighted Imaging Lesions and Intracerebral Hemorrhage: A Systematic Review and Meta-Analysis.

Posener, Sacha / Hmeydia, Ghazi / Benzakoun, Joseph / Oppenheim, Catherine / Baron, Jean-Claude / Turc, Guillaume

Stroke

2023 Volume 54, Issue 4, Page(s) e133–e137

Abstract: Background: Remote diffusion-weighted imaging lesions (RDWILs) in the context of spontaneous intracerebral hemorrhage (ICH) are associated with an increased risk of recurrent stroke, worse functional outcome, and death. To update current knowledge on ... ...

Abstract	Background: Remote diffusion-weighted imaging lesions (RDWILs) in the context of spontaneous intracerebral hemorrhage (ICH) are associated with an increased risk of recurrent stroke, worse functional outcome, and death. To update current knowledge on RDWILs, we conducted a systematic review and meta-analysis of the prevalence, associated factors and presumed causes of RDWILs. Methods: We searched Pubmed, Embase, and Cochrane up to June 2022 for studies reporting RDWILs in adults with symptomatic ICH of no-identified-cause, assessed by magnetic resonance imaging, and analyzed associations between baseline variables and RDWILs in random-effects meta-analyses. Results: Eighteen observational studies (7 prospective), reporting 5211 patients were included, of whom 1386 had ≥1 RDWIL (pooled prevalence: 23.5% [19.0-28.6]). RDWIL presence was associated with neuroimaging features of microangiopathy, atrial fibrillation (odds ratio, 3.67 [1.80-7.49]), clinical severity (mean difference in National Institutes of Health Stroke Scale score, 1.58 points [0.50-2.66]), elevated blood pressure (mean difference, 14.02 mmHg [9.44-18.60]), ICH volume (mean difference, 2.78 mL [0.97-4.60]), and subarachnoid (odds ratio, 1.80 [1.00-3.24]) or intraventricular (odds ratio, 1.53 [1.28-1.83]) hemorrhage. RDWIL presence was associated with poor 3-month functional outcome (odds ratio, 1.95 [1.48-2.57]). Conclusions: RDWILs are detected in approximately 1-in-4 patients with acute ICH. Our results suggest that most RDWILs result from disruption of cerebral small vessel disease by ICH-related precipitating factors such as elevated intracranial pressure and cerebral autoregulation impairment. Their presence is associated with worse initial presentation and outcome. However, given the mostly cross-sectional designs and heterogeneity in study quality, further studies are needed to investigate whether specific ICH treatment strategies may reduce the incidence of RDWILs and in turn improve outcome and reduce stroke recurrence.
MeSH term(s)	Adult ; Humans ; Prospective Studies ; Cross-Sectional Studies ; Cerebral Hemorrhage/diagnostic imaging ; Cerebral Hemorrhage/epidemiology ; Cerebral Hemorrhage/etiology ; Diffusion Magnetic Resonance Imaging ; Stroke/drug therapy
Language	English
Publishing date	2023-03-03
Publishing country	United States
Document type	Meta-Analysis ; Systematic Review ; Journal Article
ZDB-ID	80381-9
ISSN	1524-4628 ; 0039-2499 ; 0749-7954
ISSN (online)	1524-4628
ISSN	0039-2499 ; 0749-7954
DOI	10.1161/STROKEAHA.122.040689
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Article ; Online: Teaching Video NeuroImage: Dural Angioleiomyoma: Insights From Dynamic Imaging.

Leclerc, Thomas / Oppenheim, Catherine / Tauziède-Espariat, Arnault / Charpentier, Hélène / Pallud, Johan / Benzakoun, Joseph

Neurology

2023 Volume 101, Issue 18, Page(s) e1835–e1836

MeSH term(s)	Humans ; Angiomyoma/diagnostic imaging ; Angiomyoma/surgery ; Magnetic Resonance Imaging
Language	English
Publishing date	2023-08-14
Publishing country	United States
Document type	Journal Article
ZDB-ID	207147-2
ISSN	1526-632X ; 0028-3878
ISSN (online)	1526-632X
ISSN	0028-3878
DOI	10.1212/WNL.0000000000207761
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Article: Functional MRI of a conductor in action.

Mellerio, Charles / de Parcevaux, Anne Isabelle / Charron, Sylvain / Etevenon, Pierre / Oppenheim, Catherine

Journal of neuroradiology = Journal de neuroradiologie

2023 Volume 50, Issue 2, Page(s) 278–279

MeSH term(s)	Humans ; Magnetic Resonance Imaging ; Music ; Gestures
Language	English
Publishing date	2023-01-06
Publishing country	France
Document type	Letter
ZDB-ID	131763-5
ISSN	1773-0406 ; 0150-9861
ISSN (online)	1773-0406
ISSN	0150-9861
DOI	10.1016/j.neurad.2023.01.002
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Article ; Online: Incidence, severity and impact on functional outcome of persistent hypoperfusion despite large-vessel recanalization, a potential marker of impaired microvascular reperfusion: Systematic review of the clinical literature.

Schiphorst, Adrien Ter / Turc, Guillaume / Hassen, Wagih Ben / Oppenheim, Catherine / Baron, Jean-Claude

Journal of cerebral blood flow and metabolism : official journal of the International Society of Cerebral Blood Flow and Metabolism

2023 Volume 44, Issue 1, Page(s) 38–49

Abstract: The reported incidence of persistent hypoperfusion despite complete recanalization as surrogate for impaired microvascular reperfusion (IMR) has varied widely among clinical studies, possibly due to differences in i) definition of complete recanalization, ...

Abstract	The reported incidence of persistent hypoperfusion despite complete recanalization as surrogate for impaired microvascular reperfusion (IMR) has varied widely among clinical studies, possibly due to differences in i) definition of complete recanalization, with only recent Thrombolysis in Cerebral Infarction (TICI) grading schemes allowing distinction between complete (TICI3) and partial recanalization with distal occlusions (TICI2c); ii) operational definition of IMR; and iii) consideration of potential alternative causes for hypoperfusion, notably carotid stenosis, re-occlusion and post-thrombectomy hemorrhage. We performed a systematic review to identify clinical studies that carried out brain perfusion imaging within 72 hrs post-thrombectomy for anterior circulation stroke and reported hypoperfusion rates separately for TICI3 and TICI2c grades. Authors were contacted if this data was missing. We identified eight eligible articles, altogether reporting 636 patients. The incidence of IMR after complete recanalization (i.e., TICI3) tended to decrease with the number of considered alternative causes of hypoperfusion: range 12.5-42.9%, 0-31.6% and 0-9.1% in articles that considered none, two or all three causes, respectively. No study reported the impact of IMR on functional outcome separately for TICI-3 patients. Based on this systematic review, IMR in true complete recanalization appears relatively rare, and reported incidence highly depends on definition used and consideration of confounding factors.
MeSH term(s)	Humans ; Incidence ; Treatment Outcome ; Retrospective Studies ; Stroke ; Cerebral Infarction/etiology ; Thrombectomy/methods ; Reperfusion ; Brain Ischemia/etiology
Language	English
Publishing date	2023-10-23
Publishing country	United States
Document type	Systematic Review ; Journal Article ; Review
ZDB-ID	604628-9
ISSN	1559-7016 ; 0271-678X
ISSN (online)	1559-7016
ISSN	0271-678X
DOI	10.1177/0271678X231209069
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Article ; Online: The effect of early trauma on suicidal vulnerability depends on fronto-insular sulcation.

Olié, Emilie / Le Bars, Emmanuelle / Deverdun, Jérémy / Oppenheim, Catherine / Courtet, Philippe / Cachia, Arnaud

Cerebral cortex (New York, N.Y. : 1991)

2022 Volume 33, Issue 3, Page(s) 823–830

Abstract: Improving our understanding of pathophysiology of suicidal behavior (SB) is an important step for prevention. Assessment of suicide risk is based on socio-demographic and clinical risk factors with a poor predictivity. Current understanding of SB is ... ...

Abstract	Improving our understanding of pathophysiology of suicidal behavior (SB) is an important step for prevention. Assessment of suicide risk is based on socio-demographic and clinical risk factors with a poor predictivity. Current understanding of SB is based on a stress-vulnerability model, whereby early-life adversities are predominant. SB may thus result from a cascade of developmental processes stemming from early-life abuse and/or neglect. Some cerebral abnormalities, particularly in fronto-limbic regions, might also provide vulnerability to develop maladaptive responses to stress, leading to SB. We hypothesized that SB is associated with interactions between early trauma and neurodevelopmental deviations of the frontal and insular cortices. We recruited 86 euthymic women, including 44 suicide attempters (history of depression and SB) and 42 affective controls (history of depression without SB). The early development of prefrontal cortex (PFC) and insula was inferred using 3D magnetic resonance imaging-derived regional sulcation indices, which are indirect markers of early neurodevelopment. The insula sulcation index was higher in emotional abused subjects; among those patients, PFC sulcation index was reduced in suicide attempters, but not in affective controls. Such findings provide evidence that SB likely traced back to early stages of brain development in interaction with later environmental factors experienced early in life.
MeSH term(s)	Humans ; Female ; Suicidal Ideation ; Suicide/psychology ; Prefrontal Cortex/diagnostic imaging ; Magnetic Resonance Imaging ; Risk Factors
Language	English
Publishing date	2022-03-22
Publishing country	United States
Document type	Journal Article
ZDB-ID	1077450-6
ISSN	1460-2199 ; 1047-3211
ISSN (online)	1460-2199
ISSN	1047-3211
DOI	10.1093/cercor/bhac104
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Article ; Online: Lateralization of the cerebral network of inhibition in children before and after cognitive training.

Omont-Lescieux, Sixtine / Menu, Iris / Salvia, Emilie / Poirel, Nicolas / Oppenheim, Catherine / Houdé, Olivier / Cachia, Arnaud / Borst, Grégoire

Developmental cognitive neuroscience

2023 Volume 63, Page(s) 101293

Abstract: Inhibitory control (IC) plays a critical role in cognitive and socio-emotional development. IC relies on a lateralized cortico-subcortical brain network including the inferior frontal cortex, anterior parts of insula, anterior cingulate cortex, caudate ... ...

Abstract	Inhibitory control (IC) plays a critical role in cognitive and socio-emotional development. IC relies on a lateralized cortico-subcortical brain network including the inferior frontal cortex, anterior parts of insula, anterior cingulate cortex, caudate nucleus and putamen. Brain asymmetries play a critical role for IC efficiency. In parallel to age-related changes, IC can be improved following training. The aim of this study was to (1) assess the lateralization of IC network in children (N = 60, 9-10 y.o.) and (2) examine possible changes in neural asymmetry of this network from anatomical (structural MRI) and functional (resting-state fMRI) levels after 5-week computerized IC vs. active control (AC) training. We observed that IC training, but not AC training, led to a leftward lateralization of the putamen anatomy, similarly to what is observed in adults, supporting that training could accelerate the maturation of this structure.
MeSH term(s)	Adult ; Humans ; Child ; Cognitive Training ; Brain/physiology ; Brain Mapping ; Frontal Lobe ; Gyrus Cinguli ; Magnetic Resonance Imaging ; Cerebral Cortex/physiology
Language	English
Publishing date	2023-09-03
Publishing country	Netherlands
Document type	Journal Article ; Research Support, Non-U.S. Gov't
ZDB-ID	2572271-2
ISSN	1878-9307 ; 1878-9307
ISSN (online)	1878-9307
ISSN	1878-9307
DOI	10.1016/j.dcn.2023.101293
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Article ; Online: Efficacy and Safety of Carmustine Wafer Implantation After Ventricular Opening in Glioblastomas, Isocitrate Dehydrogenase-Wildtype, in Adults.

Roux, Alexandre / Elia, Angela / Aboubakr, Oumaima / Moiraghi, Alessandro / Simboli, Giorgia Antonia / Tauziede-Espariat, Arnault / Dezamis, Edouard / Parraga, Eduardo / Benevello, Chiara / Fathallah, Houssem / Chretien, Fabrice / Oppenheim, Catherine / Zanello, Marc / Pallud, Johan

Neurosurgery

2024

Abstract: Background and objectives: We assessed the impact of ventricular opening on postoperative complications and survival of carmustine wafer implantation during surgery of newly diagnosed supratentorial glioblastomas, isocitrate dehydrogenase (IDH)-wildtype ...

Abstract	Background and objectives: We assessed the impact of ventricular opening on postoperative complications and survival of carmustine wafer implantation during surgery of newly diagnosed supratentorial glioblastomas, isocitrate dehydrogenase (IDH)-wildtype in adults. Methods: We performed an observational, retrospective, single-center cohort study at a tertiary surgical neuro-oncological center between January 2006 and December 2021. Results: One hundred ninety-four patients who benefited from a first-line surgical resection with carmustine wafer implantation were included. Seventy patients (36.1%) had a ventricular opening. We showed that ventricular opening (1) did not increase overall postoperative complication rates (P = .201); (2) did not worsen the early postoperative Karnofsky Performance Status score (P = .068); (3) did not increase the time interval from surgery to adjuvant oncological treatment (P = .458); (4) did not affect the completion of the standard radiochemotherapy protocol (P = .164); (5) did not affect progression-free survival (P = .059); and (6) did not affect overall survival (P = .142). Conclusion: In this study, ventricular opening during first-line surgical resection did not affect the survival and postoperative complications after use of carmustine wafer implantation in adult patients with a newly diagnosed supratentorial glioblastoma, IDH-wildtype. This warrants a prospective and multicentric study to clearly assess the impact of the ventricular opening after carmustine wafer implantation in glioblastoma, IDH-wildtype.
Language	English
Publishing date	2024-01-08
Publishing country	United States
Document type	Journal Article
ZDB-ID	135446-2
ISSN	1524-4040 ; 0148-396X
ISSN (online)	1524-4040
ISSN	0148-396X
DOI	10.1227/neu.0000000000002817
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Article ; Online: Response by Oppenheim et al to Letter Regarding Article, "Outcome After Reperfusion Therapies in Patients With Large Baseline Diffusion-Weighted Imaging Stroke Lesions: A THRACE Trial (Mechanical Thrombectomy After Intravenous Alteplase Versus Alteplase Alone After Stroke) Subgroup Analysis".

Oppenheim, Catherine / Bracard, Serge / Guillemin, Francis

Stroke

2018 Volume 49, Issue 6, Page(s) e229–e230

MeSH term(s)	Humans ; Reperfusion ; Stroke ; Thrombectomy ; Tissue Plasminogen Activator
Chemical Substances	Tissue Plasminogen Activator (EC 3.4.21.68)
Language	English
Publishing date	2018-04-23
Publishing country	United States
Document type	Letter ; Comment
ZDB-ID	80381-9
ISSN	1524-4628 ; 0039-2499 ; 0749-7954
ISSN (online)	1524-4628
ISSN	0039-2499 ; 0749-7954
DOI	10.1161/STROKEAHA.118.021278
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Article ; Online: Can novel CT-and MR-based neuroimaging biomarkers further improve the etiological diagnosis of lobar intra-cerebral hemorrhage?

Baron, Jean-Claude / Jensen-Kondering, Ulf / Sacco, Simona / Posener, Sacha / Benzakoun, Joseph / Pallud, Johan / Oppenheim, Catherine / Varlet, Pascale / Turc, Guillaume

Journal of neurology

2022

Abstract: Lobar hematomas represent around half of all supratentorial hemorrhages and have high mortality and morbidity. Their management depends on the underlying cause. Apart from local causes such as vascular malformation, which are rare and can usually be ... ...

Abstract	Lobar hematomas represent around half of all supratentorial hemorrhages and have high mortality and morbidity. Their management depends on the underlying cause. Apart from local causes such as vascular malformation, which are rare and can usually be easily excluded thanks to imaging, the vast majority of lobar hematomas equally frequently result from either hypertensive arteriolopathy (HA) or cerebral amyloid angiopathy (CAA). Distinguishing between CAA and HA is important for prognostication (risk of recurrence nearly sevenfold higher in the former), for decision-making regarding, e.g., antithrombotic therapies (for other indications) and for clinical trials of new therapies. Currently, a non-invasive diagnosis of probable CAA can be made using the MR-based modified Boston criteria, which have excellent specificity but moderate sensitivity against histopathological reference, leading to the clinically largely irrelevant diagnosis of "possible CAA". Furthermore, the Boston criteria cannot be applied when both lobar and deep MRI hemorrhagic markers are present, a not uncommon situation. Here we propose to test whether new CT and MR-based imaging biomarkers, namely finger-like projections of the hematoma and adjacent subarachnoid hemorrhage on acute-stage CT or MRI, and remote punctate diffusion-weighted imaging ischemic lesions on acute or subacute-stage MRI, have the potential to improve the performance of the Boston criteria. Furthermore, we also propose to test whether clinical-radiological biomarkers may also allow a positive diagnosis of HA to be made in lobar hematomas, which, if feasible, would not only further reduce the prevalence of "possible CAA" but also permit a diagnosis of HA and/or CAA to be made in the presence of mixed deep and lobar MRI hemorrhagic markers.
Language	English
Publishing date	2022-10-28
Publishing country	Germany
Document type	Journal Article
ZDB-ID	187050-6
ISSN	1432-1459 ; 0340-5354 ; 0012-1037 ; 0939-1517 ; 1619-800X
ISSN (online)	1432-1459
ISSN	0340-5354 ; 0012-1037 ; 0939-1517 ; 1619-800X
DOI	10.1007/s00415-022-11434-y
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