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Liegey JS, Sagnier S, Debruxelles S, Poli M, Olindo S, Renou P, Rouanet F, Moal B, Tourdias T, Sibon I. Influence of inflammatory status in the acute phase of stroke on post-stroke depression. Rev Neurol (Paris) 2021; 177:941-946. [PMID: 33610348 DOI: 10.1016/j.neurol.2020.11.005] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [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: 08/08/2020] [Revised: 11/15/2020] [Accepted: 11/17/2020] [Indexed: 11/17/2022]
Abstract
BACKGROUND Thirty percent of stroke patients will suffer from post-stroke depression (PSD). Recent data suggest that inflammation accounts for a substantial amount of depression. Our primary objective was to assess the association between standard inflammation biomarkers in the acute phase of stroke and PSD at three months. The secondary objective was to elaborate a predictive model of PSD from clinical, biological and radiological data. METHODS We performed a retrospective analysis of a single-centre cohort of stroke patients with a three-month follow-up. Serum levels of C-reactive protein (CRP), fibrinogen, leukocyte count and neutrophil to lymphocyte ratio (NLR) were tested at admission and at peak. Mood was assessed at three months using the depression sub-scale of the Hospital Anxiety and Depression Scale (HADS). Association between inflammation biomarkers and HADS was evaluated with multi-linear regression adjusted on clinical and radiological parameters. Logistic predictive models of PSD at three months, with and without inflammation biomarkers, were compared. RESULTS Three hundred and forty-eight patients were included, of whom 20.06% developed PSD. Baseline and peak values of all inflammatory markers were associated with the severity of PSD at three months. Area under the curve for the receiver operating characteristic curve of PSD prediction was 0.746 (CI 95% 0.592-0.803) with selected inflammation biomarkers and 0.744 (CI 95% 0.587-0.799) without. CONCLUSION Most inflammation biomarkers are weakly associated with PSD, adding negligible value to predictive models. While they suggest the implication of inflammation in PSD pathogenesis, they are useless for the prediction of PSD, underscoring the need for more specific biomarkers.
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Affiliation(s)
- J S Liegey
- Unité neurovasculaire, pôle de neurosciences cliniques, hôpital Pellegrin, CHU de Bordeaux, Unité Bordeaux Segalen, 33076 Bordeaux, France.
| | - S Sagnier
- Unité neurovasculaire, pôle de neurosciences cliniques, hôpital Pellegrin, CHU de Bordeaux, Unité Bordeaux Segalen, 33076 Bordeaux, France
| | - S Debruxelles
- Unité neurovasculaire, pôle de neurosciences cliniques, hôpital Pellegrin, CHU de Bordeaux, Unité Bordeaux Segalen, 33076 Bordeaux, France
| | - M Poli
- Unité neurovasculaire, pôle de neurosciences cliniques, hôpital Pellegrin, CHU de Bordeaux, Unité Bordeaux Segalen, 33076 Bordeaux, France
| | - S Olindo
- Unité neurovasculaire, pôle de neurosciences cliniques, hôpital Pellegrin, CHU de Bordeaux, Unité Bordeaux Segalen, 33076 Bordeaux, France
| | - P Renou
- Unité neurovasculaire, pôle de neurosciences cliniques, hôpital Pellegrin, CHU de Bordeaux, Unité Bordeaux Segalen, 33076 Bordeaux, France
| | - F Rouanet
- Unité neurovasculaire, pôle de neurosciences cliniques, hôpital Pellegrin, CHU de Bordeaux, Unité Bordeaux Segalen, 33076 Bordeaux, France
| | - B Moal
- CHU de Bordeaux, Bordeaux, France
| | - T Tourdias
- Neuroradiologie, CHU de Bordeaux, Bordeaux, France
| | - I Sibon
- Unité neurovasculaire, pôle de neurosciences cliniques, hôpital Pellegrin, CHU de Bordeaux, Unité Bordeaux Segalen, 33076 Bordeaux, France
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3
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Cheng B, Boutitie F, Nickel A, Wouters A, Cho TH, Ebinger M, Endres M, Fiebach JB, Fiehler J, Galinovic I, Puig J, Thijs V, Lemmens R, Muir KW, Nighoghossian N, Pedraza S, Simonsen CZ, Gerloff C, Thomalla G, Golsari A, Alegiani A, Beck C, Choe CU, Voget D, Hoppe J, Schröder J, Rozanski M, Nave AH, Wollboldt C, van Sloten I, Göhler J, Herm J, Jungehülsing J, Lückl J, Kröber JM, Schurig J, Koehler L, Schlemm L, Knops M, Roennefarth M, Ipsen N, Harmel P, Bathe-Peters R, Fleischmann R, Ganeshan R, Geran R, Hellwig S, Schmidt S, Tütüncü S, Krause T, Gramse V, Röther J, Michels P, Michalski D, Pelz J, Schulz A, Hobohm C, Weise C, Weise G, Orthgieß J, Pomrehn K, Wegscheider M, Mueller AK, Hennerici M, Griebe M, Alonso A, Filipov A, Marzina A, Anders B, Bähr C, Hoyer C, Schwarzbach C, Weber C, Hornberger E, Pledl HW, Klockziem M, Stuermlinger M, Wittayer M, Wolf M, Meyer N, Eisele P, Steinert S, Sauer T, Held V, Ringleb P, Nagel S, Veltkamp R, Schwarting S, Schwarz A, Gumbinger C, Hametner C, Amiri H, Purrucker J, Ciatipis M, Menn O, Mundiyanapurath S, Schieber S, Kessler T, Reiff T, Panitz V, Singer O, Foerch C, Lauer A, Männer A, Seiler A, Guerzoglu D, Schäfer JH, Filipski K, Lorenz M, Kurka N, Zeiner P, Pfeilschifter W, Dziewas R, Minnerup J, Albiker C, Ritter M, Seidel M, Dittrich R, Kallmünzer B, Bobinger T, Madzar D, Stark D, Sembill J, Macha K, Winder K, Breuer L, Koehrmann M, Spruegel M, Gerner S, Kraft P, Mackenrodt D, Kleinschnitz C, Elhfnawy A, Heinen F, Gunreben I, Poli S, Ziemann U, Gaenslen A, Schlak D, Haertig F, Russo F, Richter H, Ebner M, Ribitsch M, Wolf M, Weimar C, Zegarac V, Chen HC, Althaus K, Neugebauer H, Jüttler E, Meier J, Stösser S, Puetz V, Bodechtel U, Ostergaard L, Møller A, Damgaard D, Dupont KH, Poulsen M, Hjort N, de Morales NR, von Weitzel P, Harbo T, Marstrand J, Hansen A, Christensen H, Aegidius K, Jeppesen L, Meden P, Rosenbaum S, Iversen H, Hansen J, Michelsen L, Truelsen T, Modrau B, Vestergaard K, Oppel L, Sygehus A, Aalborg S, Swinnen B, Smets I, Demeestere J, Dobbels L, Brouns R, De Smedt A, DeKeyser J, Yperzeele L, Van Hooff RJ, Peeters A, Dusart A, Etexberria A, Hanseeuw B, London F, Leempoel J, Hohenbichler K, Younan N, Maqueda V, Laloux P, De Coene B, De Maeseneire C, Turine G, Vandermeeren Y, De Klippel N, Willems C, de Hollander I, Soors P, Hermans S, Hemelsoet D, Desfontaines P, Vanacker P, Rutgers M, Druart C, Peeters D, Bruneel B, Vancaester E, Vanhee F, Meersman G, Bourgeois P, Vanderdonckt P, Benoit A, Derex L, Mechthouff L, Berhoune N, Ritzenthaler T, Amarenco P, Hobeanu C, Gancedo EM, Calvet D, Ladoux A, Machet A, Lamy C, Mellerio C, Oppenheim C, Rodriguez-Regent C, Bodiguel E, Turc G, Birchenall J, Legrand L, Morin L, Edjali-Goujon M, Naggara O, Raphaelle S, Godon-Hardy S, Domigo V, Guiraud V, Samson Y, Leger A, Rosso C, Baronnet-Chauvet F, Crozier S, Deltour S, Yger M, Sibon I, Renou P, Sagnier S, Zuber M, Tamazyan R, Rodier G, Morel N, Felix S, Vadot W, Wolff V, Aniculaesei A, Yalo B, Bindila D, Quenardelle V, Blanc-Lasserre K, Landrault E, Breynaert L, Cakmak S, Peysson S, Viguier A, Lebely C, Raposo N, Vallet AE, Vallet P, Brugirard S, Cheripelli B, Kalladka D, Moreton F, Dani K, Tawil SE, Ramachandran S, Huang X, Warburton E, Evans N, Perry R, Patel B, Cloud G, Pereira A, Moynihan B, Lovelock C, Choy L, Khan U, Roffe C, Tyrell P, Smith C, Dixit A, Louw S, Broughton D, Shetty A, Appleton J, Sprigg N, Acosta BR, van Eendenburg C, Leal JS, Mar Castellanos Rodrigo MD, Izaga MT, Guillamon OB, Arenillas J, Calleja A, Cortijo E, Mulero P, de la Ossa NP, Garrido A, Martinez A, Esperón CG, Guerrero C, Carrera D, Vilas D, Lopez-cancio E, Palomeras E, Lucente G, Gomis M, Isern I, Becerra JL, Vicente JH, Sánchez J, Dorado L, Grau L, Ispierto L, Prats L, Almendrote M, Hernández M, Jimenez M, Sánchez ML, Torne MM, Presas S, Ustrell X, Pellisé A, Navalpotro I, Luna A, Schonewille W, Nederkoorn P, Majoie C, van den Berg L, van den Berg S, Zonneveld T, Remmers M, Fazekas F, Pichler A, Fandler S, Gattringer T, Mutzenbach J, Weber J, Höfner E, Kohlfürst H, Weinstich K, Kellert L, Bayer-Karpinska A, Opherk C, Wollenweber F, Klein M, Neumann- Haefelin T, Pierskalla A, Harloff A, Bardutzky J, Buggle F, von Schrader J, Kollmar R, Schill J, Löbbe AM, Moulin T, Bouamra B, Bonnet L, Touzé E, Bonnet AL, Touze E, Cogez J, Li L, Guettier S, Kar A, Sivagnanaratham A, Geraghty O, Bojaryn U, Nallasivan A, Gonzales MB, Rodríguez-Yáñez M, Tembl J, Gorriz D, Oberndorfer S, Prohaska E. Quantitative Signal Intensity in Fluid-Attenuated Inversion Recovery and Treatment Effect in the WAKE-UP Trial. Stroke 2020; 51:209-215. [DOI: 10.1161/strokeaha.119.027390] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Background and Purpose—
Relative signal intensity of acute ischemic stroke lesions in fluid-attenuated inversion recovery (fluid-attenuated inversion recovery relative signal intensity [FLAIR-rSI]) magnetic resonance imaging is associated with time elapsed since stroke onset with higher intensities signifying longer time intervals. In the randomized controlled WAKE-UP trial (Efficacy and Safety of MRI-Based Thrombolysis in Wake-Up Stroke Trial), intravenous alteplase was effective in patients with unknown onset stroke selected by visual assessment of diffusion weighted imaging fluid-attenuated inversion recovery mismatch, that is, in those with no marked fluid-attenuated inversion recovery hyperintensity in the region of the acute diffusion weighted imaging lesion. In this post hoc analysis, we investigated whether quantitatively measured FLAIR-rSI modifies treatment effect of intravenous alteplase.
Methods—
FLAIR-rSI of stroke lesions was measured relative to signal intensity in a mirrored region in the contralesional hemisphere. The relationship between FLAIR-rSI and treatment effect on functional outcome assessed by the modified Rankin Scale (mRS) after 90 days was analyzed by binary logistic regression using different end points, that is, favorable outcome defined as mRS score of 0 to 1, independent outcome defined as mRS score of 0 to 2, ordinal analysis of mRS scores (shift analysis). All models were adjusted for National Institutes of Health Stroke Scale at symptom onset and stroke lesion volume.
Results—
FLAIR-rSI was successfully quantified in stroke lesions in 433 patients (86% of 503 patients included in WAKE-UP). Mean FLAIR-rSI was 1.06 (SD, 0.09). Interaction of FLAIR-rSI and treatment effect was not significant for mRS score of 0 to 1 (
P
=0.169) and shift analysis (
P
=0.086) but reached significance for mRS score of 0 to 2 (
P
=0.004). We observed a smooth continuing trend of decreasing treatment effects in relation to clinical end points with increasing FLAIR-rSI.
Conclusions—
In patients in whom no marked parenchymal fluid-attenuated inversion recovery hyperintensity was detected by visual judgement in the WAKE-UP trial, higher FLAIR-rSI of diffusion weighted imaging lesions was associated with decreased treatment effects of intravenous thrombolysis. This parallels the known association of treatment effect and elapsing time of stroke onset.
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Affiliation(s)
- Bastian Cheng
- From the Klinik und Poliklinik für Neurologie, Kopf- und Neurozentrum (B.C., A.N., C.G., G.T.), University Medical Center Hamburg-Eppendorf, Germany
| | - Florent Boutitie
- Service de Biostatistique, Hospices Civils de Lyon, France (F.B.)
- Université Lyon 1, Villeurbanne, France (F.B.)
- CNRS, UMR 5558, Laboratoire de Biométrie et Biologie Evolutive, Equipe Biostatistique-Santé, Villeurbanne, France (F.B.)
| | - Alina Nickel
- From the Klinik und Poliklinik für Neurologie, Kopf- und Neurozentrum (B.C., A.N., C.G., G.T.), University Medical Center Hamburg-Eppendorf, Germany
| | - Anke Wouters
- Department of Neurology, University Hospitals Leuven, Belgium (A.W., R.L.)
- Department of Neurosciences, Experimental Neurology, KU Leuven–University of Leuven, Belgium (A.W., R.L.)
- VIB, Center for Brain and Disease Research, Laboratory of Neurobiology, Campus Gasthuisberg, Leuven, Belgium (A.W., R.L.)
| | - Tae-Hee Cho
- Department of Stroke Medicine, Université Claude Bernard Lyon 1, CREATIS CNRS UMR 5220-INSERM U1206, INSA-Lyon, France (T.-H.C., N.N.)
- Hospices Civils de Lyon, France (T.-H.C., N.N.)
| | - Martin Ebinger
- Centrum für Schlaganfallforschung Berlin, Charité–Universitätsmedizin Berlin, Campus Mitte, Germany (M. Ebinger, M. Endres, J.B.F., I.G.)
- Neurologie der Rehaklinik Medical Park Humboldtmühle, Berlin, Germany (M. Ebinger)
| | - Matthias Endres
- Centrum für Schlaganfallforschung Berlin, Charité–Universitätsmedizin Berlin, Campus Mitte, Germany (M. Ebinger, M. Endres, J.B.F., I.G.)
- Klinik und Hochschulambulanz für Neurologie, Charité–Universitätsmedizin Berlin, Germany (M. Endres)
| | - Jochen B. Fiebach
- Centrum für Schlaganfallforschung Berlin, Charité–Universitätsmedizin Berlin, Campus Mitte, Germany (M. Ebinger, M. Endres, J.B.F., I.G.)
| | - Jens Fiehler
- Department of Diagnostic and Interventional Neuroradiology (J.F.), University Medical Center Hamburg-Eppendorf, Germany
| | - Ivana Galinovic
- Centrum für Schlaganfallforschung Berlin, Charité–Universitätsmedizin Berlin, Campus Mitte, Germany (M. Ebinger, M. Endres, J.B.F., I.G.)
| | - Josep Puig
- Department of Radiology, Institut de Diagnostic per la Image, Hospital Dr Josep Trueta, Institut d’Investigació Biomèdica de Girona, Parc Hospitalari Martí i Julià de Salt, Girona, Spain (J.P., S.P.)
| | - Vincent Thijs
- Stroke Division, Florey Institute of Neuroscience and Mental Health, University of Melbourne, VIC, Australia (V.T.)
- Austin Health, Department of Neurology, VIC, Australia (V.T.)
| | - Robin Lemmens
- Department of Neurology, University Hospitals Leuven, Belgium (A.W., R.L.)
- Department of Neurosciences, Experimental Neurology, KU Leuven–University of Leuven, Belgium (A.W., R.L.)
- VIB, Center for Brain and Disease Research, Laboratory of Neurobiology, Campus Gasthuisberg, Leuven, Belgium (A.W., R.L.)
| | - Keith W. Muir
- Institute of Neuroscience and Psychology, University of Glasgow, United Kingdom (K.W.M.)
| | - Norbert Nighoghossian
- Department of Stroke Medicine, Université Claude Bernard Lyon 1, CREATIS CNRS UMR 5220-INSERM U1206, INSA-Lyon, France (T.-H.C., N.N.)
- Hospices Civils de Lyon, France (T.-H.C., N.N.)
| | - Salvador Pedraza
- Department of Radiology, Institut de Diagnostic per la Image, Hospital Dr Josep Trueta, Institut d’Investigació Biomèdica de Girona, Parc Hospitalari Martí i Julià de Salt, Girona, Spain (J.P., S.P.)
| | - Claus Z. Simonsen
- Department of Neurology, Aarhus University Hospital, Denmark (C.Z.S.)
| | - Christian Gerloff
- From the Klinik und Poliklinik für Neurologie, Kopf- und Neurozentrum (B.C., A.N., C.G., G.T.), University Medical Center Hamburg-Eppendorf, Germany
| | - Götz Thomalla
- From the Klinik und Poliklinik für Neurologie, Kopf- und Neurozentrum (B.C., A.N., C.G., G.T.), University Medical Center Hamburg-Eppendorf, Germany
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Sagnier S, Galli P, Poli M, Debruxelles S, Renou P, Olindo S, Rouanet F, Sibon I. The impact of intravenous thrombolysis on outcome of patients with acute ischemic stroke after 90 years old. BMC Geriatr 2016; 16:156. [PMID: 27562122 PMCID: PMC5000473 DOI: 10.1186/s12877-016-0331-1] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [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: 05/13/2016] [Accepted: 08/20/2016] [Indexed: 12/24/2022] Open
Abstract
Background Age increases the risk of mortality and poor prognosis following stroke. The benefit of intravenous thrombolysis in very old patients remains uncertain. The purpose of the study was to evaluate the efficacy and safety of thrombolysis in very old patients considering their perfusion-imaging profile. Methods We conducted a retrospective study including patients older than 90 y.o. admitted for an acute ischemic stroke. A computed tomography perfusion-imaging (CTP) was performed in patients who received thrombolysis. Primary outcome was the functional status at 3 months, assessed by the modified Rankin scale (mRS). Secondary outcomes were the rate of hemorrhagic transformations, duration of hospitalization and the rate of death in the first 7 days. Patients receiving thrombolysis were compared with an age-matched group of non-thrombolysed patients. Results 78 patients were included (31 % male, aged 92 ± 1.7 y.o). 37 patients received thrombolysis and among them, 30 had CTP with a mismatch. The three months mRS was not significantly different in the two groups (mRS 0–2: 5 % and 7 % in the thrombolysed and non-thrombolysed group, respectively). Hemorrhagic transformations were more frequent in the thrombolysed group (54 % versus 12 %, p = 0.002) and symptomatic intracranial hemorrhage tended to be associated with mRS at three months and death in the first 7 days. Duration of hospitalization was longer in the thrombolysed group (10 days ± 12 versus 7 days ± 9, p = 0.046). Conclusions Patients who received thrombolysis did not have a better functional prognosis than non-thrombolysed patients. Electronic supplementary material The online version of this article (doi:10.1186/s12877-016-0331-1) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- S Sagnier
- Unité Neuro-vasculaire, Pôle de Neurosciences Cliniques, Hôpital Pellegrin, CHU Bordeaux, UnitéBordeaux Segalen, 33076, Bordeaux, France
| | - P Galli
- Unité Neuro-vasculaire, Pôle de Neurosciences Cliniques, Hôpital Pellegrin, CHU Bordeaux, UnitéBordeaux Segalen, 33076, Bordeaux, France.,Université Bordeaux Segalen, Bordeaux, France
| | - M Poli
- Unité Neuro-vasculaire, Pôle de Neurosciences Cliniques, Hôpital Pellegrin, CHU Bordeaux, UnitéBordeaux Segalen, 33076, Bordeaux, France
| | - S Debruxelles
- Unité Neuro-vasculaire, Pôle de Neurosciences Cliniques, Hôpital Pellegrin, CHU Bordeaux, UnitéBordeaux Segalen, 33076, Bordeaux, France
| | - P Renou
- Unité Neuro-vasculaire, Pôle de Neurosciences Cliniques, Hôpital Pellegrin, CHU Bordeaux, UnitéBordeaux Segalen, 33076, Bordeaux, France
| | - S Olindo
- Unité Neuro-vasculaire, Pôle de Neurosciences Cliniques, Hôpital Pellegrin, CHU Bordeaux, UnitéBordeaux Segalen, 33076, Bordeaux, France
| | - F Rouanet
- Unité Neuro-vasculaire, Pôle de Neurosciences Cliniques, Hôpital Pellegrin, CHU Bordeaux, UnitéBordeaux Segalen, 33076, Bordeaux, France
| | - I Sibon
- Unité Neuro-vasculaire, Pôle de Neurosciences Cliniques, Hôpital Pellegrin, CHU Bordeaux, UnitéBordeaux Segalen, 33076, Bordeaux, France. .,Université Bordeaux Segalen, Bordeaux, France.
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Sagnier S, Coulon P, Chaufton C, Poli M, Debruxelles S, Renou P, Rouanet F, Olindo S, Sibon I. Lucid dreams, an atypical sleep disturbance in anterior and mediodorsal thalamic strokes. Rev Neurol (Paris) 2015; 171:768-72. [PMID: 26494569 DOI: 10.1016/j.neurol.2015.08.005] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [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: 12/21/2014] [Revised: 07/26/2015] [Accepted: 08/10/2015] [Indexed: 11/18/2022]
Abstract
BACKGROUND Cognitive, affective, and behavioural disturbances are commonly reported following thalamic strokes. Conversely, sleep disorders are rarely reported in this context. OBSERVATIONS Herein, we report the cases of two young patients admitted for an ischemic stroke located in the territories of the left pre-mammillary and paramedian arteries. Together with aphasia, memory complaint, impaired attention and executive functions, they reported lucid dreams with catastrophic content or conflicting situations. CONCLUSION Lucid dreams are an atypical presentation in thalamic strokes. These cases enlarge the clinical spectrum of sleep-wake disturbances potentially observed after an acute cerebrovascular event.
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Affiliation(s)
- S Sagnier
- Unité neurovasculaire, CHU de Bordeaux, 146, rue Léo-Saignat, 33076 Bordeaux, France; Unité neurovasculaire, pôle de neurosciences cliniques, hôpital Pellegrin, université Bordeaux-Segalen, CHU de Bordeaux, 146, rue Léo-Saignat, 33076 Bordeaux, France
| | - P Coulon
- Service d'explorations fonctionnelles du système nerveux, clinique du sommeil, CHU de Bordeaux, 146, rue Léo-Saignat, 33076 Bordeaux, France
| | - C Chaufton
- Unité neurovasculaire, pôle de neurosciences cliniques, hôpital Pellegrin, université Bordeaux-Segalen, CHU de Bordeaux, 146, rue Léo-Saignat, 33076 Bordeaux, France; Service d'explorations fonctionnelles du système nerveux, clinique du sommeil, CHU de Bordeaux, 146, rue Léo-Saignat, 33076 Bordeaux, France
| | - M Poli
- Unité neurovasculaire, CHU de Bordeaux, 146, rue Léo-Saignat, 33076 Bordeaux, France
| | - S Debruxelles
- Unité neurovasculaire, CHU de Bordeaux, 146, rue Léo-Saignat, 33076 Bordeaux, France
| | - P Renou
- Unité neurovasculaire, CHU de Bordeaux, 146, rue Léo-Saignat, 33076 Bordeaux, France
| | - F Rouanet
- Unité neurovasculaire, CHU de Bordeaux, 146, rue Léo-Saignat, 33076 Bordeaux, France
| | - S Olindo
- Unité neurovasculaire, CHU de Bordeaux, 146, rue Léo-Saignat, 33076 Bordeaux, France
| | - I Sibon
- Unité neurovasculaire, CHU de Bordeaux, 146, rue Léo-Saignat, 33076 Bordeaux, France; Unité neurovasculaire, pôle de neurosciences cliniques, hôpital Pellegrin, université Bordeaux-Segalen, CHU de Bordeaux, 146, rue Léo-Saignat, 33076 Bordeaux, France.
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