32 research outputs found

    Minimalism’s attention deficit: distraction, description, and Mary Robison’s Why Did I Ever

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    What does it mean to diagnose a literary work with attention deficit disorder (ADD)? This article traces how US literary minimalism came, in the late twentieth century, to be understood as a literary counterpart to the new diagnostic category of ADD. Pursuing some links between literary criticism and the third volume of the Diagnostic and Statistical Manual of Mental Disorders, the article shows how minimalism was seen to resemble the ADD patient because both were defined in terms of a descriptive surface that yielded no depths for expert excavation. Engaging with recent debates on the relative function and value of description and interpretation in literary studies, the article asks whether the notion of an ADD literary aesthetics, grounded in critical disability studies, might provide a route out of the dichotomy of suspicious analysis and reparative description. To pursue this question, the article performs a close reading of Mary Robison’s Why Did I Ever (2001), a novel narrated by Money Breton, a woman with an ADD diagnosis. Drawing on the critical disability studies concept of cripistemology, the article shows how Robison’s novel both dismantles the trope of minimalism’s attention deficit and demands a reformulation of the relationship between writing and diagnosis

    Goal-directed fluid management based on pulse pressure variation monitoring during high-risk surgery: a pilot randomized controlled trial

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    Abstract\ud \ud \ud \ud Introduction\ud \ud Several studies have shown that maximizing stroke volume (or increasing it until a plateau is reached) by volume loading during high-risk surgery may improve post-operative outcome. This goal could be achieved simply by minimizing the variation in arterial pulse pressure (ΔPP) induced by mechanical ventilation. We tested this hypothesis in a prospective, randomized, single-centre study. The primary endpoint was the length of postoperative stay in hospital.\ud \ud \ud \ud Methods\ud \ud Thirty-three patients undergoing high-risk surgery were randomized either to a control group (group C, n = 16) or to an intervention group (group I, n = 17). In group I, ΔPP was continuously monitored during surgery by a multiparameter bedside monitor and minimized to 10% or less by volume loading.\ud \ud \ud \ud Results\ud \ud Both groups were comparable in terms of demographic data, American Society of Anesthesiology score, type, and duration of surgery. During surgery, group I received more fluid than group C (4,618 ± 1,557 versus 1,694 ± 705 ml (mean ± SD), P < 0.0001), and ΔPP decreased from 22 ± 75 to 9 ± 1% (P < 0.05) in group I. The median duration of postoperative stay in hospital (7 versus 17 days, P < 0.01) was lower in group I than in group C. The number of postoperative complications per patient (1.4 ± 2.1 versus 3.9 ± 2.8, P < 0.05), as well as the median duration of mechanical ventilation (1 versus 5 days, P < 0.05) and stay in the intensive care unit (3 versus 9 days, P < 0.01) was also lower in group I.\ud \ud \ud \ud Conclusion\ud \ud Monitoring and minimizing ΔPP by volume loading during high-risk surgery improves postoperative outcome and decreases the length of stay in hospital.\ud \ud \ud \ud Trial registration\ud \ud NCT00479011The authors thank Maria De Amorim (Paris, France) and Julia Fukushima (São Paulo, SP, Brazil) for help in data analysis, Dr Julia Wendon (London, UK) for reviewing the manuscript, and Dixtal (Sao Paulo, SP, Brazil) for providing the software for the automatic calculation of ?PP.The authors thank Maria De Amorim (Paris, France) and Julia Fukushima (São Paulo, SP, Brazil) for help in data analysis, Dr Julia Wendon (London, UK) for reviewing the manuscript, and Dixtal (Sao Paulo, SP, Brazil) for providing the software for the automatic calculation of ?PP

    Journées d’études pour l’Enseignement des Mathématiques.

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    Association des professeurs de mathématiques de l'enseignement public, APMEP, A.P.M.E.P

    Instruments pour illustrer l’enseignement de la géométrie.

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    Pantographe, inverseur de Peaucellie

    Déformations d’un sol pulvérulent lors de l’essai pressiométrique

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    Cet article présente une étude de l’expansion de cavité lors de l’essai pressiométrique. Le sable fin d’Hostun a été choisi comme matériau pour réaliser cette étude de laboratoire sur le pressiomètre. Un dispositif expérimental a été élaboré pour réaliser les essais pressiométriques dans une cuve de sable, ce qui a permis de mesurer les déformations circonférentielles et verticales dans le sol avoisinant. Une simulation numérique de ces essais a été effectuée avec le logiciel PLAXIS. Les résultats numériques ont été comparés à ceux de l’expérience. L’influence des paramètres mécaniques du sable sur les résultats du calcul a été étudiée

    Antibiotic resistance in elderly patients: Comparison of Enterobacterales causing urinary tract infections between community, nursing homes and hospital settings

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    The objective was to compare the prevalence of antibiotic resistance of, Escherichia coli, Proteus mirabilis, and Klebsiella pneumoniae in elderly patients in, three sectors: community, nursing homes, and hospital settings

    A Megathrust earthquake as source of a Pre-Colombian tsunami in Lesser Antilles: Insight from sediment deposits and tsunami modeling

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    International audienceNo megathrust earthquake similar to the Magnitude class 9 events in Sumatra in 2004 or in Japan in 2011 was firmly reported at the Lesser Antilles subduction zone. The largest known tsunamis followed either a strong intraplate earthquake (1867, Virgin Islands) or were transoceanic due to the 1755 Lisbon earthquake. In this region, where the convergence rate between the American and Caribbean plate is low, the recurrence time of large earthquakes may be long (several centuries or millennia) and the historical record of such events is short. It is thus difficult to estimate their impact and becomes crucial to gain information from longer-term geological records and tsunami modeling. An increasing number of old prehistoric tsunami deposits have been identified in recent years on several islands in the northern segment of the Lesser Antilles arc, between Antigua and Puerto-Rico, in Anegada, St-Thomas (Virgin Islands), Anguilla and Scrub islands. Here, we carefully review all those studies and evidenced that most tsunami deposits are about 500 to 800 years old (1200 to 1500 cal yrs. CE) likely suggesting a large event or a cluster of events at that time. We combined information provided by the sedimentological records (distribution and altitude of the sediment deposits) and tsunami models to discuss the origin of the middle age Pre-Colombian event(s). We listed all faults as possible sources of tsunamis in this complex tectonic region. We performed 35 run-up models by using high-resolution/topographic grids to compare the simulated wave heights and run-up distance to the sediment record. We showed that few models are able to generate tsunami waves which heights and run-up distances match the characteristic of the observed tsunami deposits. These models are Magnitude class 9 M-thrust earthquakes rupturing the subduction interface between 30 km in depth to the trench facing Anegada Island. Magnitude class 8 outer-rise earthquakes, modeled along the trench, are other candidates for the Pre-Columbian event(s) although less convincing than the mega-thrust ones. The realism of these models is discussed in the light of the recent coupling models of the subduction zone based on short-term geodetic records. Finally, considering all the results and data, the equally strong hypothesis that these sediments were deposited by one or several storms remains less convincing than our tsunamigenic earthquakes scenarios. We conclude that the occurrence of one or several large megathrust or outer-rise earthquakes in association with damaging tsunamis likely have occurred in the past in the Lesser Antilles and could occur again in the future. This opens the discussion on the threat posed by such catastrophic event in these densely populated and touristic regions

    A 1600 year-long sedimentary record of tsunamis and hurricanes in the Lesser Antilles (Scrub Island, Anguilla)

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    International audienceThe Lesser Antilles are a densely populated region where local populations and industrial facilities are concentrated at the coastlines, and are therefore exposed to many rapid-onset hazards such as hurricanes and tsunamis. However, the historical catalog of these events is too short to allow risk assessment and return period estimations, and it needs to be completed with long-term records of washover deposits in coastal sedimentary environments such as lagoons. In this study, two sediment cores were taken in March 2018 in a small coastal lagoon on Scrub Island (northeastern Caribbean). Sedimentological, geochemical, microfaunal and chronological analyses enabled us to identify 25 sandy layers resulting from high-energy-marine floods. Two of these layers were interpreted as tsunami deposits based on sedimentological (rip-up clast of the underlying cohesive substrate and internal mud laminae), and geochemical evidence. The most recent deposit is associated with the transatlantic tsunami triggered by the 1755 CE Lisbon earthquake. The older one is the thickest sandy layer recorded in the lagoon, with an age range of 1364-1469 cal. CE, as determined using 14 C dating. This event was recorded in sedimentary archives of both the northern and the southern part of the Caribbean, with its large spatial extent, supporting a distant tsunamigenic origin. The 23 remaining sandy layers were interpreted as storm deposits, based on sedimentological and chronological data, with the three most recent layers being correlated with historical hurricanes. This new 1600 year-long record displays similarities with that of the Bahamas, with the periods of intense hurricane activity being in antiphase with those of the northeastern US coast. This regional comparison may provide evidence for a latitudinal forcing of hurricane tracks through time in relation to climate fluctuations

    A 1600 year-long sedimentary record of tsunamis and hurricanes in the Lesser Antilles (Scrub Island, Anguilla)

    No full text
    International audienceThe Lesser Antilles are a densely populated region where local populations and industrial facilities are concentrated at the coastlines, and are therefore exposed to many rapid-onset hazards such as hurricanes and tsunamis. However, the historical catalog of these events is too short to allow risk assessment and return period estimations, and it needs to be completed with long-term records of washover deposits in coastal sedimentary environments such as lagoons. In this study, two sediment cores were taken in March 2018 in a small coastal lagoon on Scrub Island (northeastern Caribbean). Sedimentological, geochemical, microfaunal and chronological analyses enabled us to identify 25 sandy layers resulting from high-energy-marine floods. Two of these layers were interpreted as tsunami deposits based on sedimentological (rip-up clast of the underlying cohesive substrate and internal mud laminae), and geochemical evidence. The most recent deposit is associated with the transatlantic tsunami triggered by the 1755 CE Lisbon earthquake. The older one is the thickest sandy layer recorded in the lagoon, with an age range of 1364-1469 cal. CE, as determined using 14 C dating. This event was recorded in sedimentary archives of both the northern and the southern part of the Caribbean, with its large spatial extent, supporting a distant tsunamigenic origin. The 23 remaining sandy layers were interpreted as storm deposits, based on sedimentological and chronological data, with the three most recent layers being correlated with historical hurricanes. This new 1600 year-long record displays similarities with that of the Bahamas, with the periods of intense hurricane activity being in antiphase with those of the northeastern US coast. This regional comparison may provide evidence for a latitudinal forcing of hurricane tracks through time in relation to climate fluctuations
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