Philippe JEAN-PIERRE

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• Type de publi. : Communication dans un congrès
• Date de publi. : 14/11/2006
• Auteurs : François DemontouxGilles RuffiéPhilippe PaillouWigneron J.-P.Julien Lahoudère
• Organismes : Université Sciences et Technologies - Bordeaux 1 Université Sciences et Technologies - Bordeaux 1 Centre National de la Recherche Scientifique Écologie fonctionnelle et physique de l'environnement Centre National de la Recherche Scientifique

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• Type de publi. : Article dans une revue
• Date de publi. : 14/11/2006
• Auteurs : Gilles LemièreVincent GandonNicolas AgenetJean-Philippe GoddardAriel de KozakCorinne AubertLouis FensterbankMax Malacria
• Organismes : Chimie Organique Chimie Moléculaire de Paris Centre Chimie Moléculaire de Paris Centre Chimie Organique Chimie Organique Chimie Moléculaire de Paris Centre Chimie Organique Chimie Moléculaire de Paris Centre Laboratoire de Chimie de la Matière Condensée de Paris Chimie Organique Chimie Moléculaire de Paris Centre Chimie Organique Chimie Moléculaire de Paris Centre Chimie Organique Chimie Moléculaire de Paris Centre
• Publié dans Angewandte Chemie International Edition le 26/10/2020

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• Type de publi. : Article dans une revue
• Date de publi. : 10/11/2006
• Auteurs : Yann-Eric ClaessensPierre TaupinGérald KierzekJean-Louis PourriatMichel BaudChristine GinsburgJean-Philippe JaisEric JouglaBruno RiouJean-François DhainautPaul Landais
• Organismes : Service de médecine d'urgence [CHU Cochin] Service d'informatique médicale et biostatistiques [CHU Necker] Département de médecine d'urgence Département de médecine d'urgence Département de médecine d'urgence Service de médecine d'urgence [CHU Cochin] Service d'informatique médicale et biostatistiques [CHU Necker] Centre d'épidémiologie sur les causes médicales de décès CHU Pitié-Salpêtrière [AP-HP] Service de médecine d'urgence [CHU Cochin] Service d'informatique médicale et biostatistiques [CHU Necker]
• Publié dans Critical Care le 31/10/2020

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Résumé : INTRODUCTION: A major issue raised by the public health consequences of a heat wave is the difficulty of detecting its direct consequences on patient outcome, particularly because of the delay in obtaining definitive mortality results. Since emergency department (ED) activity reflects the global increase of patients' health problems during this period, the profile of patients referred to EDs might be a basis to detect an excess mortality in the catchment area. Our objective was to develop a real-time surveillance model based on ED data to detect excessive heat-related mortality as early as possible. METHODS: A day-to-day composite indicator was built using simple and easily obtainable variables related to patients referred to the ED during the 2003 heat-wave period. The design involved a derivation and validation study based on a real-time surveillance system of two EDs at Cochin Hospital and H?-Dieu Hospital, Paris, France. The participants were 99,976 adult patients registered from 1 May to 30 September during 2001, 2002 and 2003. Among these participants, 3,297, 3,580 and 3,851 patients were referred to the EDs from 3 August to 19 August for 2001, 2002 and 2003, respectively. Variables retained for the indicator were selected using the receiver operating characteristic curve methodology and polynomial regression. RESULTS: The indicator was composed of only three variables: the percentage of patients older than 70 years, the percentage of patients with body temperature above 39 degrees C, and the percentage of patients admitted to or who died in the ED. The curve of the indicator with time appropriately fitted the overall mortality that occurred in the region of interest. CONCLUSION: A composite and simple index based on real-time surveillance was developed according to the profile of patients who visited the ED. It appeared suitable for determining the overall mortality in the corresponding region submitted to the 2003 heat wave. This index should help early warning of excessive mortality and monitoring the efficacy of public health interventions.

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Fichiers liés : cc5092.pdf

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• Type de publi. : Communication dans un congrès
• Date de publi. : 08/11/2006
• Auteurs : Aude RoyPhilippe LeprouxPhilippe RoyVincent CoudercAlain BarthélémyJean-Louis AugustePierre-Olivier Martin
• Organismes : PHOTONIQUE PHOTONIQUE PHOTONIQUE PHOTONIQUE PHOTONIQUE PHOTONIQUE XLIM

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• Type de publi. : Communication dans un congrès
• Date de publi. : 06/11/2006
• Auteurs : Mickaël BourgoinRomain VolkNicolas PlihonPierre AugierPhilippe OdierJean-François Pinton
• Organismes : Laboratoire des Écoulements Géophysiques et Industriels [Grenoble] Laboratoire de Physique de l'ENS Lyon Laboratoire de Physique de l'ENS Lyon Laboratoire de Physique de l'ENS Lyon

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• Type de publi. : Communication dans un congrès
• Date de publi. : 05/11/2006
• Auteurs : Lin WuFrançois-Xavier Le DimetPhilippe de ReffyeBao-Gang Hu
• Organismes : State Key Laboratory of Lithospheric Evolution Modelling, Observations, Identification for Environmental Sciences Botanique et Modélisation de l'Architecture des Plantes et des Végétations Laboratoire Franco-Chinois d'Informatique, d'Automatique et de Mathématiques Appliquées

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Résumé : In this paper a new mathematical formulation for plant structure dynamics is presented. We enhance the formulation of dual scale automaton by introducing botanic growth rules for an explicit description of chronological-age based structure dynamics. The merits of different plant architectural models are combined. The botanic concepts are introduced for not only the efficient simulations, but also the better integration of topological growth patterns and physiological laws, such that a complete functional-structural description of plant growth could be readily achieved.

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• Type de publi. : Chapître d'ouvrage
• Date de publi. : 02/11/2006
• Auteurs : Sylvain HuonBoris BellangerPhilippe BontéStéphane SogonPascal PodwojewskiCyril GirardinChristian ValentinHendrina de RouwFernando VelasquezJean-Pierre BricquetAndré A. Mariotti
• Organismes : Biogéochimie et écologie des milieux continentaux Biogéochimie et écologie des milieux continentaux Laboratoire des Sciences du Climat et de l'Environnement [Gif-sur-Yvette] Géochimie Des Impacts Laboratoire des Sciences du Climat et de l'Environnement [Gif-sur-Yvette] Géochimie Des Impacts Sols, usages des terres, dégradation, réhabilitation Biogéochimie et écologie des milieux continentaux Sols, usages des terres, dégradation, réhabilitation Sols, usages des terres, dégradation, réhabilitation Sols, usages des terres, dégradation, réhabilitation Biogéochimie et écologie des milieux continentaux

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Résumé : Soils of tropical regions account for ca. 30 % of the terrestrial organic carbon pool. Present-day fires, deforestation and land use changes enhance soil erosion and soil organic matter mineralization, increasing as much the CO2 flux to the atmosphere and reducing the efficiency of organic carbon storage in soils. This chapter presents the results of several isotopic studies carried out on two cultivated watersheds with steep slopes located in tropical regions (Venezuela, Laos) in order to better: 1) link the erosion status and the organic carbon content of cultivated soils by coupling 137Cs and total organic carbon measurements; 2) constraint the source of suspended organic matter during flood events by monitoring the composition of suspended loads in runoff and stream flows with d15N and d13C measurements and; 3) evaluate the impact of a water reservoir set up at the outlet of a watershed on suspended organic carbon fluxes generated by erosion. The redistribution pattern of fallout 137Cs and the soil organic carbon content in the first 30 - cm layer of cultivated soils of the Houay Pano catchment (Laos) are significantly linked. A common process apparently relates the soil erosion status with the amount of organic matter contained in the topsoil horizons. However, the budgets based on soil organic carbon depletion trends are higher than those derived from 137Cs soil erosion rate models. This difference provides evidence for additional organic carbon losses, most likely controlled by mineralization of soil organic matter and dissolved organic carbon release by runoff. The d15N composition of fine-sized suspended organic matter transported by runoff and stream flows during flood events on the Rio Boconó watershed (Venezuela) highlights the contribution of particulate organic carbon derived from incisive erosion of organic matter bearing rocks (“fossil” organic carbon) of the geological basement (i.e.: shales and argillaceous rocks of the river banks). The extent of “fossil” organic carbon release depends on the intensity of the flood event. During an intense event with a return period of 10 years, the contribution of “fossil” organic carbon to suspended sediments was approximately equivalent to that of soils sensu stricto Monitoring the composition of fine (<50 µm or <200 µm) size suspended organic matter with d13C and d15N measurements during flood events also indicates that the transport of particulate organic matter is conservative at different scales for most of the stream flow, providing soil organic carbon specific erosions in the same order of magnitude. The extent of organic carbon transport in the hydrographic network can be thoroughly reduced by water reservoirs set up at the outlet of the watersheds. For the Peña Larga water reservoir, sedimentary accumulation and in-situ mineralization processes reduced by ca. 94 % the organic carbon outflow generated by erosion on the watershed.

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• Type de publi. : Communication dans un congrès
• Date de publi. : 01/11/2006
• Auteurs : Michel MoncuquetNicole MeyerJean-Louis BougeretSang HoangKarine IssautierAlain LecacheuxMilan MaksimovicFilippo PantelliniPhilippe ZarkaIoannis Zouganelis
• Organismes : Laboratoire d'études spatiales et d'instrumentation en astrophysique Physique des plasmas Laboratoire d'études spatiales et d'instrumentation en astrophysique Physique des plasmas Laboratoire d'études spatiales et d'instrumentation en astrophysique Physique des plasmas Laboratoire d'études spatiales et d'instrumentation en astrophysique Physique des plasmas Laboratoire d'études spatiales et d'instrumentation en astrophysique Physique des plasmas Laboratoire d'études spatiales et d'instrumentation en astrophysique Physique des plasmas Laboratoire d'études spatiales et d'instrumentation en astrophysique Physique des plasmas Laboratoire d'études spatiales et d'instrumentation en astrophysique Physique des plasmas Laboratoire d'études spatiales et d'instrumentation en astrophysique Physique des plasmas Laboratoire d'études spatiales et d'instrumentation en astrophysique Physique des plasmas

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• Type de publi. : Communication dans un congrès
• Date de publi. : 01/11/2006
• Auteurs : Pierre-Jean BarreAlain BouscayrolPhilippe DelarueEric DumetzFrederic GiraudJean-Paul HautierXavier KestelynBetty Lemaire-SemailEric Semail
• Organismes : Laboratoire d’Électrotechnique et d’Électronique de Puissance - ULR 2697 Laboratoire d’Électrotechnique et d’Électronique de Puissance - ULR 2697 Laboratoire d’Électrotechnique et d’Électronique de Puissance - ULR 2697 Laboratoire d’Électrotechnique et d’Électronique de Puissance - ULR 2697 Laboratoire d’Électrotechnique et d’Électronique de Puissance - ULR 2697 Laboratoire d’Électrotechnique et d’Électronique de Puissance - ULR 2697 Laboratoire d’Électrotechnique et d’Électronique de Puissance - ULR 2697 Laboratoire d’Électrotechnique et d’Électronique de Puissance - ULR 2697 Laboratoire d’Électrotechnique et d’Électronique de Puissance - ULR 2697

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Résumé : Causal Ordering Graph and Energetic Macroscopic Representation are graphical descriptions to model electromechanical systems using integral causality. Inversion rules have been defined in order to deduce control structure step-bystep from these graphical descriptions. These two modeling tools can be used together to develop a two-layer control of system with complex parts. A double-drive paper system is taken as an example. The deduced control yields good performances of tension regulation and velocity tracking.

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Fichiers liés : L2EP_IECON_2006_SEMAIL.pdf

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• Type de publi. : Article dans une revue
• Date de publi. : 01/11/2006
• Auteurs : Jean-Philippe VerhoyeBertrand de LatourJean-François HeautotMarco VolaThierry LanganayHervé CorbineauAlain LeguerrierXavier BarralJean-Pierre Favre
• Organismes : Laboratoire Traitement du Signal et de l'Image Laboratoire Traitement du Signal et de l'Image Institut de médecine moléculaire de Rangueil
• Publié dans Annals of Vascular Surgery le 26/10/2020

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Résumé : We report the initial experience of two cardiovascular surgery centers in the treatment of descending thoracic aorta lesions with covered stent grafts in high-surgical risk patients. From April 1999 to November 2004, 54 patients, mean age 64 years (range 16-83), were treated by stent graft for a lesion of the descending aorta (degenerative aneurysms n = 22, aortic dissections n = 12, chronic post traumatic aneurysms n = 5, anastomotic false aneurysms n = 2, penetrating ulcers n = 4, intramural hematomas n = 5, traumatic rupture n = 4), with 42.6% treated on an emergency basis. Three devices were used: Talent (n = 49), Excluder (n = 4), and Zenith (n = 1). In three patients, combined surgery of the proximal aorta was performed. Prior bypass of the left supra-aortic arteries was performed in four patients. The follow-up was clinical and radiological (plain chest film and computed tomographic scan) at 1, 3, 6, 12, 18, and 24 months and yearly thereafter. The stent graft was successfully deployed in all cases. Two early deaths related to the stent graft (one migration and aortic rupture and one stroke) and one related to adult respiratory distress syndrome occurred. Morbidity was 16.6% (iliac access damage n = 4, groin reintervention n = 3, transient ischemic attack n = 1, tamponade n = 1). The follow-up was 100% complete (mean 22.8 months, range 3-51). Fifteen primary endoleaks (type I n = 6, type II n = 8, type III n = 1) and one secondary endoleak were reported. They were treated by additional stent graft (n = 7) and elective surgical conversion (n = 1). Six endoleaks resolved spontaneously at 6 months, and two are being monitored. Twelve endoleaks (75%) occurred in patients treated for degenerative aneurysms. Freedom from secondary reintervention was 81.3% at 3 years. Two transient paraparesias were observed at 3 and 18 months. Of the 13 deaths observed during the follow-up, only one was related to the stent graft. Actuarial survival at 12 and 24 months was 90.0% and 75.4%, respectively. Mortality results are encouraging in this specific cohort of high-surgical risk patients. A new kind of morbidity is observed, related to endoleaks, whose necessary management could hinder the durability of the technique.

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