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The effects of a dialogue-based intervention to promote psychosocial well-being after stroke: a randomized controlled trial
Objective:
To evaluate the effect of a dialogue-based intervention targeting psychosocial well-being at 12 months post-stroke.
Design:
Multicenter, prospective, randomized, assessor-blinded, controlled trial with two parallel groups.
Setting:
Community.
Subjects:
Three-hundred and twenty-two adults (⩾18 years) with stroke within the last four weeks were randomly allocated into intervention group (n = 166) or control group (n = 156).
Interventions:
The intervention group received a dialogue-based intervention to promote psychosocial well-being, comprising eight individual 1–1½ hour sessions delivered during the first six months post-stroke.
Main measures:
The primary outcome measure was the General Health Questionnaire-28 (GHQ-28). Secondary outcome measures included the Stroke and Aphasia Quality of Life Scale-39g, the Sense of Coherence scale, and the Yale Brown single-item questionnaire.
Results:
The mean (SD) age of the participants was 66.8 (12.1) years in the intervention group and 65.7 (13.3) years in the control group. At 12 months post-stroke, the mean (SE) GHQ-28 score was 20.6 (0.84) in the intervention group and 19.9 (0.85) in the control group. There were no between-group differences in psychosocial well-being at 12 months post-stroke (mean difference: −0.74, 95% confidence interval (CI): −3.08, 1.60). The secondary outcomes showed no statistically significant between-group difference in health-related quality of life, sense of coherence, or depression at 12 months.
Conclusion:
The results of this trial did not demonstrate lower levels of emotional distress and anxiety or higher levels of health-related quality of life in the intervention group (dialogue-based intervention) as compared to the control group (usual care) at 12 months post-stroke
Diviseurs sur les courbes réelles
Dans un article sur les sommes de carrés, Scheiderer a prouvé que pour toute courbe algébrique, réelle, projective, irréductible, lisse, ayant des points réels, il existait un entier N tel que tout diviseur de degré plus grand que N soit linéairement équivalent à un diviseur dont le support est totalement réel. Ensuite Huisman et Monnier ont montré que dans le cas des courbes avec beaucoup de composantes connexes, ie. celle en ayant au moins autant que le genre g, ici supposé strictement positif, de la courbe, on pouvait prendre N égal à 2g 1. Monnier a également abordé la question pour les cas des courbes singulières : il en a exhibé pour lesquelles un tel entier n'existait pas et d'autres pour lesquelles il existait. Dans cette thèse on étend la classe des courbes singulières pour lesquelles un tel entier existe, essentiellement des courbes avec des noeuds ou des cusps, et on arrive dans certains cas a contrôlé explicitement cet entier en fonction du genre de la courbe et du nombre de ces singularités. Pour y parvenir on utilise d'une part une " singularisation successive " et d'autre part une variante de l'invariant où l'on demande qu'en plus les points du support soient deux-à -deux distincts. Pour ce nouvel invariant, on étend tel quel les résultats sur les courbes ayant beaucoup de composantes et on traite celui des courbes de genre 2 ayant une seule composante, le " premier " cas jusqu'alors inconnu : dans ce cas la borne 3 est impossible en général, mais par contre 5 convient.In an article about sums of squares, Scheiderer proved that for every real, algebraic, projective, irreducible, smooth curve with some real points, their exists an integer N such that every divisor of degre not lower than N is linearly equivalent to a divisor whose support is totally real. Then Huisman and Monnier proved that for real curves with many components, ie. those with at least as many components as the genus g, assumed here to be positive, of the curve, one can choose N equal to 2g 1. Monnier also dealed with singular curves: he showed that for some of them such an integer does not exist and gave some others where it does exist. In this thesis we extend the classe of singular curves for wich such an integer exists, essentially those with nodes and cusps, and we sometimes manage to bound such an integer in terms of the genus. To do so, an "iterative singularisation" is used and also a slightly different invariant where we ask the real points of the support to be distinct from each-other. We extend the results about curves with many components to that new invariant and deal with curves of genus 2 having only one component, which is the "very first" unknown case so far: in that case, 3 cannot bound the invariant, but 5 does.ANGERS-BU Lettres et Sciences (490072106) / SudocSudocFranceF