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1.
Rev Neurol (Paris) ; 179(4): 368-372, 2023 Apr.
Article in English | MEDLINE | ID: mdl-36336489

ABSTRACT

The objectives were to analyze changes from 2012 to 2017 in different management times of stroke patients included in the Aquitaine stroke Observatory (ObA2). The studied times (onset-to-needle time-ONT, onset-to-door time-ODT, door-to-imaging time-DIT, door-to-needle time-DNT and imaging-to-needle time-INT) were described as median, interquartile ranges and proportion of patients within the recommended median time goals (ODT under 4hours, DIT within 20min; for thrombolyzed patients, DIT under 20min and a ONT under 4:30) to be compared with an objective of 50% of patients within said time goal. Globally, ODT was 160min, with 43.6% to 59.6% of patients within the ODT goal along the study period. With no improvement over time, the proportion of patients within the DIT goal stayed stable and at a low level (range: 5.5-7.0%) for all patients, decreasing from 25.2% to 11.4% for thrombolyzed patients. The proportion of thrombolyzed patients within the DNT goal varied from 15.1% to 30.3% during study period. These results highlight the urgent need for action to improve in-hospital management of stroke patients, focusing on delays between admission and imaging.


Subject(s)
Hospitalization , Stroke , Humans , Cohort Studies , Stroke/diagnosis , Stroke/therapy , Hospitals
2.
Langmuir ; 36(39): 11411-11421, 2020 Oct 06.
Article in English | MEDLINE | ID: mdl-32911931

ABSTRACT

We studied the dependence of solid deposit shape obtained by free drying of sessile drops on particle concentration and Derjaguin-Landau-Verwey-Overbeek (DLVO) particle/substrate interaction. In contrast to previous contributions using pH as a control parameter of interactions, we investigated an unprecedentedly wide range of concentrations and particle/substrate DLVO forces by modifying the nature of the substrate and particles as well as their size and surface chemistry, whereas long-distance repulsive interactions between particles were maintained for most of the drying time. Our main result is that the different shapes of deposits obtained by modifying the particle concentration are the same in the different regimes of concentration regardless of particle/substrate interaction in the studied range of DLVO forces and particle concentrations. The second result is that, contrary to expectations, the dominant morphology of dry patterns at low particle concentration always shows a dotlike pattern for all the studied systems.

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