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Featured researches published by E. Bayen.


Annals of Physical and Rehabilitation Medicine | 2016

A comprehensive picture of 4-year outcome of severe brain injuries. Results from the PariS-TBI study.

C. Jourdan; E. Bayen; P. Pradat-Diehl; I. Ghout; E. Darnoux; S. Azerad; C. Vallat-Azouvi; J. Charanton; P. Aegerter; A. Ruet; Philippe Azouvi

OBJECTIVES Survivors of severe traumatic brain injury have a great variety of impairments and participation restrictions. Detailed descriptions of their long-term outcome are critical. We aimed to assess brain injury outcome for subjects with traumatic brain injury in terms of the International classification of functioning, disability and health. MATERIALS AND METHODS Four-year follow-up of an inception cohort of adults with severe traumatic brain injury by using face-to-face interviews with patients and proxies. RESULTS Among 245 survivors at 4 years, 147 were evaluated (80% male, mean age: 32.5±14.2 years at injury); 46 (32%) presented severe disability, 58 (40%) moderate disability, and 40 (28%) good recovery. Most frequent somatic problems were fatigue, headaches, other pain, and balance. One quarter of subjects had motor impairments. Rates of cognitive complaints ranged from 25 to 68%, the most frequent being memory, irritability, slowness and concentration. With the Hospital Anxiety and Depression Scale, 43% had anxiety and 25% depression. Overall, 79% were independent in daily living activities and 40 to 50% needed help for outdoor or organizational activities on the BICRO-39. Most had regular contacts with relatives or close friends but few contacts with colleagues or new acquaintances. Subjects spent little time in productive activities such as working, studying, looking after children or voluntary work. Quality of life on the QOLIBRI scale was associated with disability level (P<0.0001). CONCLUSION Management of late brain injury needs to focus on cognitive difficulties, particularly social skills, to enhance patient participation in life.


Disability and Rehabilitation | 2018

Negative impact of litigation procedures on patient outcomes four years after severe traumatic brain injury: results from the PariS-traumatic brain injury study

E. Bayen; C. Jourdan; Idir Ghout; P. Pradat-Diehl; Emmanuelle Darnoux; Gaëlle Nelson; Claire Vallat-Azouvi; James Charenton; P. Aegerter; Alexis Ruet; Philippe Azouvi

Abstract Purpose: To analyze the effect of litigation procedures on long-term outcomes in severe traumatic brain injury. Materials and methods: Prospective observational follow-up of an inception cohort including 504 adults with severe traumatic brain injury recruited in 2005–2007 in the Parisian area, France, with initial, one- and four-year outcomes measures. Results: Four years after the traumatic brain injury, 147 patients, out of 257 who survived the acute phase, were assessed. Among these patients, 53 patients declared being litigants and 78 nonlitigants (litigation status was unknown in 16 cases). Sociodemographic characteristics, type of injury and initial severity did not differ significantly between litigants and nonlitigants, except for Injury Severity Score (worse in litigants) and the proportion of road traffic accidents (higher in litigants). One- and four-year outcomes were significantly worse in litigants for autonomy, participation, psychiatric and cognitive function but not quality of life (measured with the Glasgow Outcome Scale-Extended, the working activity status, the Brain Injury Community Rehabilitation Outcome, the Hospital Anxiety and Depression scale, the Neurobehavioral Rating Scale-revised and the Quality of Life after Brain Injury, respectively). Multivariate analyses highlighted litigation procedure as an independent significant predictor of lower autonomy, participation and psychiatric function and tended to predict lower cognitive function, but not lower quality of life, after adjustment for pretrauma characteristics, Injury Severity Score, road traffic accidents and work-related accident status. Conclusions: Patients with severe traumatic brain injury have a worse prognosis when involved in a litigation procedure and require special attention in clinical practice. Implications for rehabilitation The influence of litigation procedure on health and social outcomes in severe traumatic brain injury is a major issue that entail numerous levels of complexities. A wide range of interactions and factors related to the prolonged process of litigation against a third party may influence recovery. Results from the PariS-Traumatic Brain Injury study suggest that patients with a severe Traumatic Brain Injury who are involved in a litigation procedure within French jurisdiction compensation scheme have a worse prognosis than patients who do not. Health professionals should be aware of the potential adverse effects of litigation procedures on recovery, and provide appropriate interventions and information to patients and families in such cases.


Clinical Rehabilitation | 2018

Self-awareness four years after severe traumatic brain injury: discordance between the patient’s and relative’s complaints. Results from the PariS-TBI study:

Camille Chesnel; C. Jourdan; E. Bayen; Idir Ghout; Emmanuelle Darnoux; Sylvie Azerad; James Charanton; Philippe Aegerter; P. Pradat-Diehl; Alexis Ruet; Philippe Azouvi; Claire Vallat-Azouvi

Objective: To evaluate the patient’s awareness of his or her difficulties in the chronic phase of severe traumatic brain injury (TBI) and to determine the factors related to poor awareness. Design/Setting/Subjects: This study was part of a larger prospective inception cohort study of patients with severe TBI in the Parisian region (PariS-TBI study). Intervention/Main measures: Evaluation was carried out at four years and included the Brain Injury Complaint Questionnaire (BICoQ) completed by the patient and his or her relative as well as the evaluation of impairments, disability and quality of life. Results: A total of 90 patient-relative pairs were included. Lack of awareness was measured using the unawareness index that corresponded to the number of discordant results between the patient and relative in the direction of under evaluation of difficulties by the patient. The only significant relationship found with lack of awareness was the subjective burden perceived by the relative (Zarit Burden Inventory) (r = 0.5; P < 0.00001). There was no significant relationship between lack of awareness and injury severity, pre-injury socio-demographic data, cognitive impairments, mood disorders, functional independence (Barthel index), global disability (Glasgow Outcome Scale), return to work at four years or quality of life (Quality Of Life after Brain Injury scale (QOLIBRI)). Conclusion: Lack of awareness four years post severe TBI was not related to the severity of the initial trauma, sociodemographic data, the severity of impairments, limitations of activity and participation, or the patient’s quality of life. However, poor awareness did significantly influence the weight of the burden perceived by the relative.


Annals of Physical and Rehabilitation Medicine | 2015

Ecological Assessment Battery for Numbers (EABN) for brain-damaged patients: standardization and validity study.

M. Villain; C. Tarabon-Prevost; E. Bayen; H. Robert; B. Bernard; E. Hurteaux; P. Pradat-Diehl

OBJECTIVES Number-processing may be altered following brain injury and might affect the everyday life of patients. We developed the first ecological tool to assess number-processing disorders in brain-injured patients, the Ecological Assessment Battery for Numbers (EABN; in French, the BENQ). The aim of the present study was to standardize and validate this new tool. MATERIAL AND METHODS Standardization included 126 healthy controls equally distributed by age, sex and sociocultural level. First, 17 patients were evaluated by the EABN; then scores for a subgroup of 10 were compared with those from a French analytical calculation test, the Évaluation Clinique des Aptitudes Numériques (ECAN). The concordance between the EABN and the ECAN was analyzed to determine construct validity. Discrimination indexes were calculated to assess the sensitivity of the subtests. RESULTS Standardization highlighted a major effect of sociocultural level. In total, 9 of 17 patients had a pathological EABN score, with difficulties in telling time, making appointments and reading numerical data. The results of both the EABN and ECAN tests were concordant (Kendalls w=0.97). Finally, the discriminatory power was good, particularly for going to the movies, cheque-writing and following a recipe: scores were>0.4. CONCLUSION The EABN is a new tool to assess number-processing disorders in adults. This tool has been standardized and has good psychometric properties for patients with brain injury.


Annals of Physical and Rehabilitation Medicine | 2014

Pertes de vue d’une cohorte de patients traumatisés crâniens et contexte social. L’étude PariS-TBI

C. Jourdan; E. Bayen; S. Barhami; I. Ghout; E. Darnoux; S. Azerad; P. Pradat-Diehl; A. Ruet; C. Vallat-Azouvi; J.J. Weiss; P. Aegerter; Philippe Azouvi

CO27-002-f Pertes de vue d’une cohorte de patients traumatises crâniens et contexte social. L’etude PariS-TBI C. Jourdan a,∗, E. Bayen b, S. Barhami a, I. Ghout c, E. Darnoux c, S. Azerad c, P. Pradat-Diehl b, A. Ruet a, C. Vallat-Azouvi a, J.J. Weiss d, P. Aegerter c, P. Azouvi e a Assistance publique–Hopitaux de Paris, hopital Raymond-Poincare, Garches, France b Assistance publique–Hopitaux de Paris, hopital Pitie-Salpetriere, Paris, France c Unite de recherche clinique, hopital Ambroise-Pare, Assistance publique–Hopitaux de Paris, Paris, France d Centre ressources francilien du traumatisme crânien, Paris, France e Universite de Versailles – Saint-Quentin-en-Yvelines, France ∗Auteur correspondant.


Annals of Physical and Rehabilitation Medicine | 2013

Handicap et qualité de vie quatre ans après un traumatisme crânien sévère : résultats de la cohorte PariS-TBI

E. Darnoux; C. Jourdan; E. Bayen; P. Pradat-Diehl; Philippe Azouvi; J.J. Weiss; P. Aegerter; I. Ghout

Mots clés : Traumatisme cranio-cérébraux ; Prison ; Prisonnier ; Lésion cérébrale Introduction.– Les traumatismes crâniens (TC) entraînent un ensemble de difficultés cognitives, comportementales et sociales. Une étude finlandaise, publiée en 2002 [1], a mis en évidence qu’un antécédent de TC pendant l’enfance ou l’adolescence était significativement associé à des troubles psychiatriques et à une criminalité chez les sujets masculins. Une enquête descriptive qualitative et quantitative par questionnaire a été réalisée aux maisons d’arrêt de Fleury-Mérogis entre le 2 novembre 2012et le31 janvier 2013. Objectif .–Les objectifs de cette enquête étaient : – d’établir la prévalence des antécédents de traumatisme crânien dans une population d’entrants en prison ; – de comparer les prévalences des TC de l’échantillon avec celles de la population générale ; – d’étudier les liens entre TC, épilepsie et incarcération en prenant en compte l’âge de survenue du TC. Méthodologie.– Un questionnaire rempli par une infirmière ou un médecin a été proposé à tous les entrants (après accord) des Maisons d’arrêt de FleuryMérogis sur une période de trois mois. Les questionnaires étaient anonymisés dés leur remplissage. Résultats.– Mille cent quatre-vingt-seize questionnaires ont été collectés. Quarante-huit d’entre eux ont dû être éliminés en raison d’un refus de participer ou d’informations incomplètes le plus souvent en raison de la langue du détenu. Mille cent quarante-huit questionnaires ont été analysés au total regroupant une population de 934 hommes, 88 femmes et 69 mineurs (garçons et filles). La prévalence globale déclarée d’antécédents de TC dans cette population est de 30,6 %. Les deux étiologies les plus fréquentes sont l’AVP et les rixes. Dix-sept pour cent de ceux qui déclarent un antécédent de TC bénéficient d’un suivi. Conclusion.– Les résultats préliminaires de cette enquête devraient permettre de proposer un meilleur dépistage des antécédents de TC dans cette population et une prise en charge plus adaptée. Référence [1] Timonen M, Miettunen J, Hakko H, Zitting P, Veijola J, von Wendt L, et al. The association of preceding traumatic brain injury with mental disorders, alcoholism and criminality: the Northern Finland 1966 Birth Cohort Study. Psychiatry Res 2002;113:217–26.


Annals of Physical and Rehabilitation Medicine | 2013

Soins de rééducation et médico-sociaux après un traumatisme crânien (TC) et leurs déterminants : résultats de la cohorte PariS-TBI

C. Jourdan; E. Bayen; I. Ghout; E. Darnoux; S. Azerad; C. Vallat-Azouvi; P. Pradat-Diehl; J.J. Weiss; P. Aegerter; Philippe Azouvi

Mots cles : Traumatisme cranio-cerebraux ; Prison ; Prisonnier ; Lesion cerebrale Introduction.– Les traumatismes crâniens (TC) entrainent un ensemble de difficultes cognitives, comportementales et sociales. Une etude finlandaise, publiee en 2002 [1], a mis en evidence qu’un antecedent de TC pendant l’enfance ou l’adolescence etait significativement associe a des troubles psychiatriques et a une criminalite chez les sujets masculins. Une enquete descriptive qualitative et quantitative par questionnaire a ete realisee aux maisons d’arret de Fleury-Merogis entre le 2 novembre 2012et le31 janvier 2013. Objectif .–Les objectifs de cette enquete etaient : – d’etablir la prevalence des antecedents de traumatisme crânien dans une population d’entrants en prison ; – de comparer les prevalences des TC de l’echantillon avec celles de la population generale ; – d’etudier les liens entre TC, epilepsie et incarceration en prenant en compte l’âge de survenue du TC. Methodologie.–Un questionnaire rempli par une infirmiere ou un medecin a ete propose a tous les entrants (apres accord) des Maisons d’arret de FleuryMerogis sur une periode de trois mois. Les questionnaires etaient anonymises des leur remplissage. Resultats.– Mille cent quatre-vingt-seize questionnaires ont ete collectes. Quarante-huit d’entre eux ont du etre elimines en raison d’un refus de participer ou d’informations incompletes le plus souvent en raison de la langue du detenu. Mille cent quarante-huit questionnaires ont ete analyses au total regroupant une population de 934 hommes, 88 femmes et 69 mineurs (garcons et filles). La prevalence globale declaree d’antecedents de TC dans cette population est de 30,6 %. Les deux etiologies les plus frequentes sont l’AVP et les rixes. Dix-sept pour cent de ceux qui declarent un antecedent de TC beneficient d’un suivi. Conclusion.–Les resultats preliminaires de cette enquete devraient permettre de proposer un meilleur depistage des antecedents de TC dans cette population et une prise en charge plus adaptee.


Annals of Physical and Rehabilitation Medicine | 2013

Rehabilitation, vocational and medico-social care after a severe traumatic brain injury (TBI), and their predictors: Results from the PariS-TBI study

C. Jourdan; E. Bayen; I. Ghout; E. Darnoux; S. Azerad; C. Vallat-Azouvi; P. Pradat-Diehl; J.J. Weiss; P. Aegerter; Philippe Azouvi

CO05-004-e Rehabilitation, vocational and medico-social care after a severe traumatic brain injury (TBI), and their predictors: Results from the PariS-TBI study C. Jourdan *, E. Bayen , I. Ghout , E. Darnoux , S. Azerad , C. Vallat-Azouvi , P. Pradat-Diehl , J.-J. Weiss , P. Aegerter , P. Azouvi e AP–HP, hopital Raymond-Poincare, 104, boulevard Raymond-Poincare, 92380 Garches, France b AP–HP, groupe hospitalier Pitie-Salpetriere, Garches, France c AP–HP, unite de recherche clinique, hopital Ambroise-Pare, Boulogne, France AP–HP, CRFTC, hopital Broussais, France e AP–HP, hopital Raymond-Poincare, Garches, France *Corresponding author. E-mail address: [email protected]


Annals of Physical and Rehabilitation Medicine | 2011

Long-term neurobehavioural disorders in traumatic brain injury patients: A case report of collectionism

L. Mandon; S. Deffontaines Rufin; E. Bayen; Pascale Bruguière; P. Pradat-Diehl

lle-même (Cherney et Halper, 2001 ; Parton et al. 2004). L’essai clinique mulicentrique en double insu « PHRC Régional NEGLECT » se propose d’évaluer ’efficacité et la sécurité de 10 sessions consécutives de stimulation en SMTr basse fréquence (1 Hz) sur la région pariétale postérieure gauche saine, afin ’améliorer les signes de négligence présentes chez les patients cérébrolésés roits. Pour cela, une large cohorte de patients (n = 148) présentant des déficits isuospatiaux chroniques seront recrutés à travers 12 centres cliniques du réseau P–HP. Chaque patient répondant à tous les critères d’inclusion et aucun des ritères de non-inclusion passera une IRM anatomique et par imagerie de diffuion (DTI), et sera successivement randomisé automatiquement vers le bras de timulation réelle ou « sham » (condition placebo) selon des critères de sévérité e la négligence. Une série de tests papier-crayon d’évaluation de la négligence, es capacités motrices et cognitives, de l’humeur et de suivi des fonctions pariéales gauche sera réalisée avant et après les 10 séances de stimulation et pendant suivis post-traitement allant jusqu’à 6 mois. ous avançons l’hypothèse que les patients bénéficiaires des séances réelles e stimulation vont récupérer de leur négligence d’avantage par rapport à ceux estinés au bras « sham ». De plus, nous prévoyons que cette amélioration visuopatiale déclenchera des améliorations aussi dans d’autres domaines, comme elui de la motricité. Si nos hypothèses s’avèrent correctes, l’utilisation de techiques de stimulation, telles que la SMTr, pourraient s’avérer très prometteuses ans le traitement des troubles cognitifs, sensoriels ou moteurs qui pèsent sur es patients cérébrolésés. Les choix et les problèmes rencontrés lors de la mise n place et réalisation de ce projet ambitieux seront alors présentés et discutés. eferences herney L.R. and Halper A.S. Unilateral visual neglect in right-hemisphere troke: a longitudinal study. Brain Inj 2001;15:585–92. arton A, Malhotra P and Husain M. Hemispatial neglect. J Neurol Neurosurg sychiatry 2004;75:13–21.


Supportive Care in Cancer | 2017

The multidimensional burden of informal caregivers in primary malignant brain tumor

E. Bayen; Florence Laigle-Donadey; Myrtille Prouté; Khê Hoang-Xuan; Marie-Eve Joël; Jean-Yves Delattre

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E. Darnoux

Paris Dauphine University

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Marie-Eve Joël

Paris Dauphine University

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