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Article: L’occlusion membraneuse de la veine cave inférieure : Une étiologie rare du syndrome de Budd-Chiari.

Collot, J / Bletard, N / Lamproye, A

2018 Volume 73, Issue 11, Page(s) 557–561

Abstract: Rarely encountered in the Western countries, membranous occlusion of the inferior vena cava results from a fibrous thickening of the intima and is commonly located at the orifices of the hepatic veins. To date, two etiopathogenic hypotheses have been ... ...

Title translation	Membranous occlusion of the inferior vena cava a rare cause of Budd-Chiari syndrome.
Abstract	Rarely encountered in the Western countries, membranous occlusion of the inferior vena cava results from a fibrous thickening of the intima and is commonly located at the orifices of the hepatic veins. To date, two etiopathogenic hypotheses have been formulated: the first, dealing with the embryological aspect, the second, arguing for a thrombotic origin. Nevertheless, several studies are still underway to understand the exact physiopathological mechanism of this obstruction. Among these studies, some suspect the predisposing role of anatomical and infectious factors. On average, it takes 6 years between the beginning of the symptoms and the diagnosis. The later the diagnosis is settled, the higher is the risk of encountering a hepatocellular carcinoma. The most relevant additional examinations to visualize the membrane are the abdominal ultrasound and the cavography. Computed tomography allows to highlight the effects of obstruction on the hepatic parenchyma. Concerning the treatment, many studies showed that angioplasty has an excellent immediate and late efficacy. A few surgical techniques also exist but those are less exploited because of the non invasive aspect and lower morbidity-mortality of the endovascular treatment.
MeSH term(s)	Budd-Chiari Syndrome/etiology ; Humans ; Vena Cava, Inferior ; Venous Thrombosis/complications
Language	French
Publishing date	2018-11-15
Publishing country	Belgium
Document type	Journal Article
ZDB-ID	414001-1
ISSN	0370-629X ; 0035-3663
ISSN	0370-629X ; 0035-3663
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Article ; Online: Floristic survey, trace element transfers between soil and vegetation and human health risk at an urban industrial wasteland.

Collot, Jordan / Binet, Philippe / Malabad, Abdoulaye Mahamat / Pauget, Benjamin / Toussaint, Marie-Laure / Chalot, Michel

Journal of hazardous materials

2023 Volume 459, Page(s) 132169

Abstract: This study aimed to determine the trace element accumulation in the soil and plants in an industrial wasteland and to estimate the extent of transfer to humans to measure the effects on and risks to vegetation and human health and find bioindicator ... ...

Abstract	This study aimed to determine the trace element accumulation in the soil and plants in an industrial wasteland and to estimate the extent of transfer to humans to measure the effects on and risks to vegetation and human health and find bioindicator plants representative of the levels of the main contaminants. In areas with the highest extractable trace element levels, we observed decreases in plant biodiversity explained by the disappearance of several families, favouring the coverage of tolerant species, such as Urtica dioica and Hedera helix. Trace elements were also found in the leaves of several plants, especially in a dominant species that is poorly studied, Alliaria petiolata. Indeed, this species had the highest contents of Zn (1750 mg.kg
MeSH term(s)	Humans ; Trace Elements/analysis ; Environmental Monitoring ; Environmental Biomarkers ; Soil/chemistry ; Soil Pollutants/analysis ; Plants/chemistry ; Metals, Heavy/analysis
Chemical Substances	Trace Elements ; Environmental Biomarkers ; Soil ; Soil Pollutants ; Metals, Heavy
Language	English
Publishing date	2023-07-28
Publishing country	Netherlands
Document type	Journal Article ; Research Support, Non-U.S. Gov't
ZDB-ID	1491302-1
ISSN	1873-3336 ; 0304-3894
ISSN (online)	1873-3336
ISSN	0304-3894
DOI	10.1016/j.jhazmat.2023.132169
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Article ; Online: Quality of life and perceived burden of the primary caregiver of patients aged 70 and over with cancer 5 years after initial treatment.

Barben, Jérémy / Billa, Oumar / Collot, Julie / Collot, Thomas / Manckoundia, Patrick / Bengrine-Lefevre, Leila / Dabakuyo-Yonli, Tienhan Sandrine / Quipourt, Valérie

Supportive care in cancer : official journal of the Multinational Association of Supportive Care in Cancer

2023 Volume 31, Issue 2, Page(s) 147

Abstract: Purpose: Long-term effects of being the primary caregiver of an older patient with cancer are not known. This study aimed to assess health-related quality of life (HRQoL) in primary caregivers of patients aged 70 and older with cancer, 5 years after ... ...

Abstract	Purpose: Long-term effects of being the primary caregiver of an older patient with cancer are not known. This study aimed to assess health-related quality of life (HRQoL) in primary caregivers of patients aged 70 and older with cancer, 5 years after initial treatment. Secondly, to compare the HRQoL between former primary caregivers whose caregiving relationship had ceased (primary caregiver no longer directly assisting the patient because of patient death or removal to another city or admission to an institution) and current caregivers, and to determine the perceived burden of the primary caregivers. Methods: Prospective observational study including primary caregivers of patients aged 70 and older with cancer. HRQoL and perceived burden were assessed using the SF-12 and Zarit Burden Interview (ZBI) at baseline and 5 years after initial treatment. Results: Ninety-six caregivers were initially included; at 5 years, 46 caregivers completed the SF-12 and ZBI between June 15 and October 26, 2020. Primary caregiver's HRQoL scores had significantly decreased over time for physical functioning (mean difference = -10, p=0.04), vitality (MD= -10.5, p=0.02), and role emotional (MD= -8.1, p=0.01) dimensions. The comparison at 5 years according to caregiving status showed no difference for all HRQoL dimensions. There was no decrease in perceived burden at 5 years. Conclusion: Some dimensions of HRQoL decreased at 5 years with a stable low perceived burden. Trial registration: NCT04478903.
MeSH term(s)	Humans ; Aged ; Aged, 80 and over ; Quality of Life/psychology ; Caregivers/psychology ; Cost of Illness ; Emotions ; Neoplasms/therapy
Language	English
Publishing date	2023-02-02
Publishing country	Germany
Document type	Observational Study ; Journal Article
ZDB-ID	1134446-5
ISSN	1433-7339 ; 0941-4355
ISSN (online)	1433-7339
ISSN	0941-4355
DOI	10.1007/s00520-023-07594-w
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Article: Rectal ulcer in a hemodialysis patient receiving Kayexalate

Collot, Julia / Salaouatchi, Tayeb / Rickaert, Fabienne / Floriani, Albino / Buysschaert, Benoit / Mesquita, Maria / Godon, Eric

Clinical case reports

2021 Volume 9, Issue 4, Page(s) 2385–2389

Abstract: Kayexalate can cause severe unrecognized GI lesions. Diagnosis of kayexalate crystals in GI biopsy samples is important. Pathologists and clinicians should work hand in hand. New drugs should be available to all patients to treat hyperkalemia. ...

Abstract	Kayexalate can cause severe unrecognized GI lesions. Diagnosis of kayexalate crystals in GI biopsy samples is important. Pathologists and clinicians should work hand in hand. New drugs should be available to all patients to treat hyperkalemia.
Language	English
Publishing date	2021-03-13
Publishing country	England
Document type	Case Reports
ZDB-ID	2740234-4
ISSN	2050-0904
ISSN	2050-0904
DOI	10.1002/ccr3.4043
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Article: From Long‐ to Short‐Term Inter‐Plate Coupling at the Subducted Carnegie Ridge Crest, Offshore Central Ecuador

Collot, J.‐Y. / Proust, J.‐N. / Nocquet, J.‐M. / Martillo, C. / Michaud, F. / Lebrun, J.‐F. / Schenini, L. / Popescu, S. / Hernandez, M.‐J. / Ratzov, G.

Journal of geophysical research. 2022 Aug., v. 127, no. 8

2022

Abstract: We investigate the relationship between the long‐term (Quaternary) interplate coupling and the short‐term geodetically derived interseismic coupling at the Central Ecuador subduction zone. At this nonaccretionary margin, the Cabo Pasado shelf promontory ... ...

Abstract	We investigate the relationship between the long‐term (Quaternary) interplate coupling and the short‐term geodetically derived interseismic coupling at the Central Ecuador subduction zone. At this nonaccretionary margin, the Cabo Pasado shelf promontory and coastal area are associated with two inter‐plate geodetically locked patches. The deepest patch ruptured co‐seismically during the Mw7.8‐2016 Pedernales earthquake, while the shallowest underwent dominantly after‐slip. Marine geophysical and chronostratigraphic data allow reconstructing the Quaternary tectonic evolution of the shelf promontory and substantiating variation of the long‐term inter‐plate coupling that led to the geodetically locked patches. Prior to ∼1.8 Ma, the outer‐wedge inter‐plate coupling was strong enough to activate trench‐subparallel strike‐slip faults. Then, between ∼1.8 and 0.79 Ma, shortening and uplift affected the shelf promontory, implying a locally increased inter‐plate coupling. After a short, post‐0.79 Ma period of subsidence, shortening and uplift resumed denoting a high inter‐plate coupling that endured up to the present. The synchronicity of the structural evolution of the shelf promontory with the subduction chronology of two reliefs of the Carnegie Ridge crest suggests that the locked patches are caused by a geometrical resistance to subduction that propagates landward causing permanent deformation. In 2016, the deepest subducted relief localized stress accumulation and high seismic slip, while the shallowest relief, which is associated with a weakened outer‐wedge, prevented updip rupture propagation. Thus, at nonaccretionary margins, active outer‐wedge strike‐slip faults might be considered a proxy of near‐trench coupling, and subducted relief a cause of plate coupling but an obstacle to the tsunami genesis when the relief is shallow.
Keywords	coasts ; deformation ; earthquakes ; geophysics ; research ; subduction ; subsidence ; tectonics ; tsunamis ; Ecuador
Language	English
Dates of publication	2022-08
Publishing place	John Wiley & Sons, Ltd
Document type	Article
Note	JOURNAL ARTICLE
ISSN	2169-9313
DOI	10.1029/2022JB024192
Database	NAL-Catalogue (AGRICOLA)

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Article ; Online: Neogene Mass Accumulation Rate of Carbonate Sediment Across Northern Zealandia, Tasman Sea, Southwest Pacific

Sutherland, R. / Dos Santos, Z. / Agnini, C. / Alegret, L. / Lam, A. / Westerhold, T. / Drake, M. / Harper, D. / Dallanave, E. / Newsam, C. / Cramwinckel, M. / Dickens, G. / Collot, J. / Etienne, S. / Bordenave, A. / Stratford, W. / Zhou, X. / Li, H. / Asatryan, G.

Paleoceanography and Paleoclimatology

2022

Abstract: Sediment mass accumulation rate (MAR) is a proxy for paleoceanographic conditions, especially if biological productivity generated most of the sediment. We determine MAR records from pelagic calcareous sediments in Tasman Sea based on analysis of 11 ... ...

Abstract	Sediment mass accumulation rate (MAR) is a proxy for paleoceanographic conditions, especially if biological productivity generated most of the sediment. We determine MAR records from pelagic calcareous sediments in Tasman Sea based on analysis of 11 boreholes and >3 million seismic reflection horizon picks. Seismic data from regions of 10,000–30,000 km2 around each borehole were analyzed using data from International Ocean Discovery Program Expedition 371 and other boreholes. Local MAR was affected by deepwater currents that winnowed, eroded, or deposited seafloor sediment. Therefore, it is necessary to average MARs across regions to test paleoceanographic and productivity models. MARs during the Miocene Climate optimum (18–14 Ma) were slightly lower than Quaternary values but increased on southern Lord Howe Rise at 14–13 Ma, when global climate became colder. Intensification of the Indian and East Asian monsoons at ∼8 Ma and ∼3.6 Ma approximately corresponds to the start and end, respectively, of the Biogenic Bloom, which had MARs at least double Quaternary values. On northern Lord Howe Rise, we recognize peak MARs at∼7 Ma and ∼5 Ma. There is no correlation between Neogene MAR and ocean pH or atmospheric CO2 concentration. Neogene MARs are on average higher than Quaternary values. We posit that future long-term productivity in the southwest Pacific could be higher than Quaternary values, but new computer models that can fit our observations are required to test this hypothesis.
Subject code	550
Publishing country	de
Document type	Article ; Online
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Article ; Online: Ultra-fast prompt gamma detection in single proton counting regime for range monitoring in particle therapy.

Marcatili, S / Collot, J / Curtoni, S / Dauvergne, D / Hostachy, J-Y / Koumeir, C / Létang, J M / Livingstone, J / Métivier, V / Gallin-Martel, L / Gallin-Martel, M L / Muraz, J F / Servagent, N / Testa, É / Yamouni, M

Physics in medicine and biology

2020 Volume 65, Issue 24, Page(s) 245033

Abstract: In order to fully exploit the ballistic potential of particle therapy, we propose an online range monitoring concept based on time-of-flight (TOF)-resolved prompt gamma (PG) detection in a single proton counting regime. In a proof of principle experiment, ...

Abstract	In order to fully exploit the ballistic potential of particle therapy, we propose an online range monitoring concept based on time-of-flight (TOF)-resolved prompt gamma (PG) detection in a single proton counting regime. In a proof of principle experiment, different types of monolithic scintillating gamma detectors are read in time coincidence with a diamond-based beam hodoscope, in order to build TOF spectra of PG generated in a target presenting an air cavity of variable thickness. Since the measurement was carried out at low beam currents (< 1 proton/bunch) it was possible to reach excellent coincidence time resolutions, of the order of 100 ps (σ). Our goal is to detect possible deviations of the proton range with respect to treatment planning within a few intense irradiation spots at the beginning of the session and then carry on the treatment at standard beam currents. The measurements were limited to 10 mm proton range shift. A Monte Carlo simulation study reproducing the experiment has shown that a 3 mm shift can be detected at 2σ by a single detector of ∼1.4 × 10
MeSH term(s)	Gamma Rays ; Humans ; Monte Carlo Method ; Phantoms, Imaging ; Proton Therapy/methods
Language	English
Publishing date	2020-12-18
Publishing country	England
Document type	Journal Article ; Research Support, Non-U.S. Gov't
ZDB-ID	208857-5
ISSN	1361-6560 ; 0031-9155
ISSN (online)	1361-6560
ISSN	0031-9155
DOI	10.1088/1361-6560/ab7a6c
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Article: Gyrocoulée et essais de mise en forme de "gelées" métalliques par le procédé "Gircast".

Collot, J

Journal de biomateriaux dentaires : [publication du College francais de biomateriaux dentaires

1985 Volume 1, Issue 1, Page(s) 9–10, 57–71

Title translation	Gyrocasting and the testing of formed metal slurries in the Gircast technic.
MeSH term(s)	Chemical Phenomena ; Chemistry, Physical ; Dental Alloys ; Dental Casting Technique/instrumentation ; Materials Testing ; Rheology ; Surface Properties
Chemical Substances	Dental Alloys
Language	French
Publishing date	1985-01
Publishing country	France
Document type	Journal Article
ZDB-ID	632826-x
ISSN	0295-6195
ISSN	0295-6195
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Zs.B 2909: Show issues

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Article ; Online: Timing of Eocene compressional plate failure during subduction initiation, northern Zealandia, southwestern Pacific

Stratford, W. / Sutherland, R. / Dickens, G. / Blum, P. / Collot, J. / Gurnis, M. / Saito, S. / BordenaveG, A. / Etienne, S. / Agnini, C. / Alegret, L. / Asatryan, G. / Bhattacharya, J. / Chang, L. / Cramwinckel, M. / Dallanave, E. / Drake, M. / Giorgioni, M. / Harper, D. /

Huang, H. / Keller, A. / Lam, A. / Li, H. / Matsui, H. / Morgans, H. / Newsam, C. / Park, Y. / Pascher, K. / Pekar, S. / Penman, D. / Westerhold, T. / Zhou, X.

Geophysical Journal International

2022

Abstract: Rapid onset of subduction tectonics across the western Pacific convergent margins in the early Eocene was followed by a slower phase of margin growth of the proto Tonga-Kermadec subduction system north of Zealandia during a middle Eocene phase of ... ...

Abstract	Rapid onset of subduction tectonics across the western Pacific convergent margins in the early Eocene was followed by a slower phase of margin growth of the proto Tonga-Kermadec subduction system north of Zealandia during a middle Eocene phase of tectonic adjustment. We present new age constraints from International Ocean Discovery Program Expedition 371 borehole data on deformation events in northern Zealandian sediments that document the formation of the convergent margin boundary northwest of New Zealand. The deformation shows a shortening event that lasted up to 20 myr and acted over distances of ∼1000 km inboard of the evolving plate margin, just northwest of New Zealand. Multichannel seismic profiles tied to our new borehole sites show shortening occurred predominantly between 45 and 35 Ma with some deformation related to slope failure continuing into the Oligocene. The termination of shortening is linked to opening of the backarc basins of the southwest Pacific and the migration of the Tonga-Kermadec Trench to the east which may have removed the structural evidence of the Eocene plate margin. Palaeogene deformation observed inboard of the evolving proto Tonga-Kermadec subduction system indicates that the lithosphere of northern Zealandia, a region of thin continental crust, was strong enough to act as a stress guide. Compressive stresses that caused intraplate folding and faulting developed behind the initiating subduction system with the finite period of deformation indicating the time frame over which an active convergent margin lay along the northern margin of Zealandia.
Subject code	550
Publishing country	de
Document type	Article ; Online
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Article ; Online: Subduction initiation terranes exposed at the front of a 2 Ma volcanically-active subduction zone

Patriat, Martin / Falloon, Trevor / Danyushevsky, Leonid / Collot, Julien / Jean, Marlon M. / Hoernle, Kaj / Hauff, Folkmar / Maas, Roland / Woodhead, Jon D. / Feig, Sandrin T.

2019

Abstract: Highlights • The youngest known (2 Ma) volcanically-active subduction system. • Exceptionally diverse range of magma compositions coeval and spatially juxtaposed. • Mixing of an upwelling asthenospheric mantle melt and a slab melt. • Modern example of an ...

Abstract	Highlights • The youngest known (2 Ma) volcanically-active subduction system. • Exceptionally diverse range of magma compositions coeval and spatially juxtaposed. • Mixing of an upwelling asthenospheric mantle melt and a slab melt. • Modern example of an immature subduction system building its proto forearc. • Modern analog of the environment where SSZ ophiolites lithosphere forms. Abstract The development of ideas leading to a greater understanding of subduction initiation is limited by the scarcity of present-day examples. Furthermore, the few examples identified so far unfortunately provide few insights into the nature of magmatism at the inception of subduction. Here we report new observations from the Matthew and Hunter (M&H) subduction zone, a very young subduction zone located in the South-West Pacific. Tectonics of the area show it is younger than 2 Ma, making the M&H the youngest known volcanically-active subduction system and hence providing unique insights into the earliest stages of subduction initiation. Volcanism in this area comprises an exceptionally diverse range of contemporaneously erupting magma compositions which are spatially juxtaposed. Pb isotopic compositions and abundance of LILE and REE strongly suggest melting of upwelling asthenospheric mantle (Indian MORB) and subducted oceanic crust (Pacific MORB of the South Fiji Basin) and the mixing of these two components. Volcanism occurs much closer to the trench compared to volcanism in more mature subduction zones. We demonstrate that the M&H subduction zone is a modern example of an immature subduction system at the stage of pre-arc, near-trench magmatism. It is not yet building an arc but what we propose to call a Subduction Initiation Terrane (SITER). Today, the proto-forearc of the M&H subduction zone is a collage of these SITERs, coeval back-arc domains and remnants of pre-existing terranes including old Vitiaz Arc crust. The M&H area represents a modern analog of a Supra Subduction Zone setting where potentially a ...
Subject code	550
Language	English
Publisher	Elsevier
Publishing country	de
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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