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  1. Article ; Online: Effectiveness of electroconvulsive therapy in Lance-Adams syndrome.

    Vellieux, Geoffroy / Apartis, Emmanuelle / Degos, Vincent / Fossati, Philippe / Navarro, Vincent

    Brain stimulation

    2023  Volume 16, Issue 2, Page(s) 647–649

    MeSH term(s) Humans ; Electroconvulsive Therapy ; Heart Arrest/therapy ; Syndrome
    Language English
    Publishing date 2023-03-17
    Publishing country United States
    Document type Letter ; Research Support, Non-U.S. Gov't
    ZDB-ID 2394410-9
    ISSN 1876-4754 ; 1935-861X
    ISSN (online) 1876-4754
    ISSN 1935-861X
    DOI 10.1016/j.brs.2023.03.004
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  2. Article ; Online: Critical care management of meningitis and encephalitis: an update.

    Thy, Michael / Gaudemer, Augustin / Vellieux, Geoffroy / Sonneville, Romain

    Current opinion in critical care

    2022  Volume 28, Issue 5, Page(s) 486–494

    Abstract: Purpose of review: Meningitis and encephalitis represent severe neurological syndromes associated with encephalopathy, seizures, focal deficits, and neurological sequelae in survivors. We update on the critical care management of adult patients with ... ...

    Abstract Purpose of review: Meningitis and encephalitis represent severe neurological syndromes associated with encephalopathy, seizures, focal deficits, and neurological sequelae in survivors. We update on the critical care management of adult patients with severe meningitis and encephalitis.
    Recent findings: Large multicenter studies conducted in the adult population improved current knowledge on the epidemiology and outcomes of patients with severe meningitis and encephalitis. An early multimodal diagnostic workup (including CSF analysis, brain MRI, EEG, and serum studies) is mandatory for diagnosis and prognostication in those patients.New diagnostic methods, including multiplex PCR and next-generation sequencing techniques, allow for a faster differential diagnosis of infectious causes that may require specific antimicrobial therapy. Autoimmune causes of encephalitis, which may require urgent immunotherapy, are also increasingly recognized in the ICU setting. Although observational data suggest that early combined immunotherapy is associated with better neurological outcomes in patients with autoimmune encephalitis, randomized clinical trials have yet to be performed.
    Summary: Our review highlights the importance of an early multimodal approach for diagnosing severe meningitis and encephalitis. Randomized clinical trials are needed to identify pharmacological interventions that may improve patients' outcomes.
    MeSH term(s) Adult ; Critical Care ; Encephalitis/diagnosis ; Encephalitis/therapy ; Humans ; Meningitis/diagnosis ; Meningitis/therapy ; Multiplex Polymerase Chain Reaction/methods ; Seizures
    Language English
    Publishing date 2022-08-17
    Publishing country United States
    Document type Journal Article ; Review
    ZDB-ID 1235629-3
    ISSN 1531-7072 ; 1070-5295
    ISSN (online) 1531-7072
    ISSN 1070-5295
    DOI 10.1097/MCC.0000000000000980
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  3. Article: Electroencephalography for prognostication of outcome in adults with severe herpes simplex encephalitis.

    Jeantin, Lina / Dupuis, Claire / Vellieux, Geoffroy / Jaquet, Pierre / de Montmollin, Etienne / Timsit, Jean-François / Sonneville, Romain

    Annals of intensive care

    2023  Volume 13, Issue 1, Page(s) 10

    Abstract: Background: Electroencephalography (EEG) is recommended for the practical approach to the diagnosis and prognosis of encephalitis. We aimed to investigate the prognostic value of standard EEG (: Methods: We performed a retrospective analysis of ... ...

    Abstract Background: Electroencephalography (EEG) is recommended for the practical approach to the diagnosis and prognosis of encephalitis. We aimed to investigate the prognostic value of standard EEG (
    Methods: We performed a retrospective analysis of consecutive ICU patients with severe herpes simplex encephalitis in 38 French centers between 2006 and 2016. Patients with at least one
    Results: We included 214 patients with at least one available
    Conclusions: Absence of EEG reactivity to auditory/noxious stimuli is an independent marker of poor functional outcome in severe herpes simplex encephalitis.
    Language English
    Publishing date 2023-02-23
    Publishing country Germany
    Document type Journal Article
    ZDB-ID 2617094-2
    ISSN 2110-5820
    ISSN 2110-5820
    DOI 10.1186/s13613-023-01110-3
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  4. Article ; Online: A review of the natural history of Sturge-Weber syndrome through adulthood.

    Vellieux, Geoffroy / Frazzini, Valerio / Pichit, Phintip / Dupont, Sophie / Gourfinkel-An, Isabelle / Navarro, Vincent

    Journal of neurology

    2022  Volume 269, Issue 9, Page(s) 4872–4883

    Abstract: Background: Sturge-Weber syndrome (SWS) is a neurocutaneous disorder caused by a somatic mutation in the GNAQ gene, leading to capillary venous malformations with neurological, ocular, and cutaneous abnormalities. Descriptions of adult and elderly ... ...

    Abstract Background: Sturge-Weber syndrome (SWS) is a neurocutaneous disorder caused by a somatic mutation in the GNAQ gene, leading to capillary venous malformations with neurological, ocular, and cutaneous abnormalities. Descriptions of adult and elderly patients with SWS are scarce compared to those of neonates or children.
    Methods: We reviewed clinical, neuro-radiological and electroencephalographical findings of adult patients diagnosed with SWS, treated in our tertiary center for rare epilepsies.
    Results: Ten adult patients were identified with a median age of 48 years at inclusion. All patients had seizures, with features of temporal lobe involvement for five patients. One patient presented typical drug-resistant mesial temporal seizures with ipsilateral hippocampal sclerosis and leptomeningeal enhancement, and was treated surgically. Other patients presented typical neurological and brain imaging features found in SWS. One patient without visible leptomeningeal angioma or brain calcifications presented neurological symptoms (tonic-clonic generalized seizures) for the first time at the age of 56. Two of the oldest patients in our cohort with supratentorial leptomeningeal angioma displayed contralateral cerebellar atrophy, consistent with crossed cerebellar diaschisis. Over 70 years of follow-up data were available for one patient whose epilepsy started at the age of 6 months, offering a vast overview of the course of SWS, in particular the onset of dementia and contralateral micro-bleeds in relation to the leptomeningeal angioma.
    Conclusion: The long follow-up of our cohort allows for a description of the course of SWS and a characterization of uncommon neurological features in adult and elderly patients.
    MeSH term(s) Adult ; Aged ; Brain/diagnostic imaging ; Child ; Epilepsy/complications ; Hemangioma/complications ; Humans ; Infant ; Infant, Newborn ; Middle Aged ; Seizures/etiology ; Sturge-Weber Syndrome/complications ; Sturge-Weber Syndrome/diagnostic imaging
    Language English
    Publishing date 2022-05-05
    Publishing country Germany
    Document type Journal Article ; Review
    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/s00415-022-11132-9
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  5. Article ; Online: Association of Sepsis With Neurologic Outcomes of Adult Patients Treated With Venoarterial Extracorporeal Membrane Oxygnenation.

    Tridon, Chloé / Bachelet, Delphine / El Baied, Majda / Eloy, Philippine / Ortuno, Sofia / Para, Marylou / Wicky, Paul-Henri / Vellieux, Geoffroy / de Montmollin, Etienne / Bouadma, Lila / Manceau, Hana / Timsit, Jean-François / Peoc'h, Katell / Sonneville, Romain

    Critical care explorations

    2024  Volume 6, Issue 2, Page(s) e1042

    Abstract: Objectives: Neurologic outcomes of patients under venoarterial extracorporeal membrane oxygenation (VA-ECMO) may be worsened by secondary insults of systemic origin. We aimed to assess whether sepsis, commonly observed during ECMO support, is associated ...

    Abstract Objectives: Neurologic outcomes of patients under venoarterial extracorporeal membrane oxygenation (VA-ECMO) may be worsened by secondary insults of systemic origin. We aimed to assess whether sepsis, commonly observed during ECMO support, is associated with brain injury and outcomes.
    Design: Single-center cohort study of the "exposed-non-exposed" type on consecutive adult patients treated by VA-ECMO.
    Setting: Medical ICU of a university hospital, France, 2013-2020.
    Patients: Patients with sepsis at the time of VA-ECMO cannulation ("sepsis" group) were compared with patients without sepsis ("no sepsis" group). The primary outcome measure was poor functional outcome at 90 days, defined by a score greater than or equal to 4 on the modified Rankin scale (mRS), indicating severe disability or death.
    Interventions: None.
    Measurements and main results: A total of 196 patients were included ("sepsis,"
    Conclusion: We observed a detrimental role of sepsis on neurologic outcomes in the subgroup of patients who had experienced pre-ECMO cardiac arrest, but not in other patients.
    Language English
    Publishing date 2024-02-07
    Publishing country United States
    Document type Journal Article
    ISSN 2639-8028
    ISSN (online) 2639-8028
    DOI 10.1097/CCE.0000000000001042
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  6. Article ; Online: Continuous EEG findings in COVID-19 patients under extracorporeal membrane oxygenation.

    Vellieux, Geoffroy / Jaquet, Pierre / Grinea, Alexandra / Para, Marylou / Rouvel-Tallec, Anny / Sonneville, Romain

    Clinical neurophysiology : official journal of the International Federation of Clinical Neurophysiology

    2021  Volume 132, Issue 4, Page(s) 839–840

    MeSH term(s) COVID-19/diagnosis ; COVID-19/physiopathology ; COVID-19/therapy ; Electroencephalography/methods ; Electroencephalography/trends ; Extracorporeal Membrane Oxygenation/methods ; Extracorporeal Membrane Oxygenation/trends ; Female ; Humans ; Male ; Middle Aged
    Language English
    Publishing date 2021-02-02
    Publishing country Netherlands
    Document type Letter ; Research Support, Non-U.S. Gov't
    ZDB-ID 1463630-x
    ISSN 1872-8952 ; 0921-884X ; 1388-2457
    ISSN (online) 1872-8952
    ISSN 0921-884X ; 1388-2457
    DOI 10.1016/j.clinph.2021.01.010
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  7. Article: Narcolepsy Type 1: A Remitting Disease? An Unusual Case Report.

    Vellieux, Geoffroy / Frija-Masson, Justine / Rouvel-Tallec, Anny / Drouot, Xavier / d'Ortho, Marie-Pia

    Nature and science of sleep

    2021  Volume 13, Page(s) 1669–1673

    Abstract: We describe the case of a male patient who was diagnosed with narcolepsy type 1 on the basis of sleep and wake symptoms, and the results of investigations including video-polysomnography, multiple sleep latency test, human leukocyte antigen status and ... ...

    Abstract We describe the case of a male patient who was diagnosed with narcolepsy type 1 on the basis of sleep and wake symptoms, and the results of investigations including video-polysomnography, multiple sleep latency test, human leukocyte antigen status and orexin level in cerebrospinal fluid. During the first years after disease onset, the patient did not show any significant improvement despite treatment with a variety of stimulant and anti-cataplectic drugs. However, spontaneous remission of disease occurred after 15 years.
    Language English
    Publishing date 2021-09-24
    Publishing country New Zealand
    Document type Case Reports
    ZDB-ID 2587468-8
    ISSN 1179-1608
    ISSN 1179-1608
    DOI 10.2147/NSS.S311283
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  8. Article ; Online: Spectral analysis of EEG in etiological assessment of patients with transient neurological deficits.

    Vellieux, Geoffroy / Amiel, Hélène / Roos, Caroline / Crassard, Isabelle / Houdart, Emmanuel / Kubis, Nathalie / Lozeron, Pierre

    Neurophysiologie clinique = Clinical neurophysiology

    2021  Volume 51, Issue 3, Page(s) 225–232

    Abstract: Objective: Differentiating transient ischemic attack from stroke mimics may be difficult. Besides clinical evaluation and brain imaging, electroencephalography (EEG) may be a useful diagnostic tool.: Methods: We conducted spectral analysis on 67 EEG ... ...

    Abstract Objective: Differentiating transient ischemic attack from stroke mimics may be difficult. Besides clinical evaluation and brain imaging, electroencephalography (EEG) may be a useful diagnostic tool.
    Methods: We conducted spectral analysis on 67 EEG of patients who had presented a transient neurological deficit (TND) within the previous seven days. Expert clinicians provided the final diagnosis: transient ischemic attack, migraine with aura, focal seizure or "other". We first calculated the relative power of the four EEG frequency bands (delta, theta, alpha and beta), in the whole hemisphere, then, according to the clinical symptoms, in the relevant electrodes of the symptomatic hemisphere. Finally, we calculated the relative power ratio between symptomatic and asymptomatic hemispheres.
    Results: Median age was 60.6 years (57% females). The etiological diagnosis was transient ischemic attack (27%), migraine with aura (11%), focal seizures (22%) and "other" (40%). We did not find significant differences in the theta and delta relative power analysis between groups. Over the symptomatic hemisphere only, we found a significant increase of the alpha relative power (p = 0.0026, p < 0.0001, p = 0.0014) in the migraine group compared to transient ischemic attack, migraine and focal seizures groups, and a significant decrease of the beta relative power (p = 0.0034, p = 0.0016, p = 0.0005) compared to the same groups.
    Conclusions: Migraine with aura presents a discriminative EEG relative power in comparison to transient neurological deficits of other origins. To further investigate the additive diagnosis value of EEG in other TND, future studies should be performed with an EEG obtained within the first 24 h after the onset of symptoms.
    Significance: Spectral EEG analysis discriminates migraine with aura groups from other groups, but not at the individual level.
    MeSH term(s) Brain ; Electroencephalography ; Female ; Humans ; Ischemic Attack, Transient ; Male ; Middle Aged ; Migraine Disorders ; Stroke
    Language English
    Publishing date 2021-04-23
    Publishing country France
    Document type Journal Article
    ZDB-ID 639421-8
    ISSN 1769-7131 ; 0987-7053
    ISSN (online) 1769-7131
    ISSN 0987-7053
    DOI 10.1016/j.neucli.2021.04.001
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  9. Article: COVID-19-Associated Neurological Manifestations: An Emerging Electroencephalographic Literature.

    Vellieux, Geoffroy / Sonneville, Romain / Vledouts, Sérafima / Jaquet, Pierre / Rouvel-Tallec, Anny / d'Ortho, Marie-Pia

    Frontiers in physiology

    2021  Volume 11, Page(s) 622466

    Abstract: Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has spread worldwide since the end of year 2019 and is currently responsive for coronavirus infectious disease 2019 (COVID-19). The first reports considered COVID-19 as a respiratory tract ... ...

    Abstract Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has spread worldwide since the end of year 2019 and is currently responsive for coronavirus infectious disease 2019 (COVID-19). The first reports considered COVID-19 as a respiratory tract disease responsible for pneumonia, but numerous studies rapidly emerged to warn the medical community of COVID-19-associated neurological manifestations, including encephalopathy at the acute phase and other postinfectious manifestations. Using standard visual analysis or spectral analysis, recent studies reported electroencephalographic (EEG) findings of COVID-19 patients with various neurological symptoms. Most EEG recordings were normal or revealed non-specific abnormalities, such as focal or generalized slowing, interictal epileptic figures, seizures, or status epilepticus. Interestingly, novel EEG abnormalities over frontal areas were also described at the acute phase. Underlying mechanisms leading to brain injury in COVID-19 are still unknown and matters of debate. These frontal EEG abnormalities could emphasize the hypothesis whereby SARS-CoV-2 enters the central nervous system (CNS) through olfactory structures and then spreads in CNS via frontal lobes. This hypothesis is reinforced by the presence of anosmia in a significant proportion of COVID-19 patients and by neuroimaging studies confirming orbitofrontal abnormalities. COVID-19 represents a new viral disease characterized by not only respiratory symptoms but also a systemic invasion associated with extra-respiratory signs. Neurological symptoms must be the focus of our attention, and functional brain evaluation with EEG is crucial, in combination with anatomical and functional brain imaging, to better understand its pathophysiology. Evolution of symptoms together with EEG patterns at the distance of the acute episode should also be scrutinized.
    Language English
    Publishing date 2021-02-19
    Publishing country Switzerland
    Document type Journal Article ; Review
    ZDB-ID 2564217-0
    ISSN 1664-042X
    ISSN 1664-042X
    DOI 10.3389/fphys.2020.622466
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  10. Article ; Online: COVID-19 associated encephalopathy: Is there a specific EEG pattern?

    Vellieux, Geoffroy / Rouvel-Tallec, Anny / Jaquet, Pierre / Grinea, Alexandra / Sonneville, Romain / d'Ortho, Marie-Pia

    Clinical neurophysiology : official journal of the International Federation of Clinical Neurophysiology

    2020  Volume 131, Issue 8, Page(s) 1928–1930

    MeSH term(s) Adult ; Brain Diseases/diagnosis ; Brain Diseases/etiology ; Brain Diseases/physiopathology ; Brain Waves ; COVID-19 ; Coronavirus Infections/complications ; Coronavirus Infections/diagnosis ; Humans ; Male ; Pandemics ; Pneumonia, Viral/complications ; Pneumonia, Viral/diagnosis
    Keywords covid19
    Language English
    Publishing date 2020-06-24
    Publishing country Netherlands
    Document type Case Reports ; Letter
    ZDB-ID 1463630-x
    ISSN 1872-8952 ; 0921-884X ; 1388-2457
    ISSN (online) 1872-8952
    ISSN 0921-884X ; 1388-2457
    DOI 10.1016/j.clinph.2020.06.005
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