2 research outputs found

    Éducation ThĂ©rapeutique du Patient (ETP) dans la maladie d’Alzheimer et les maladies apparentĂ©es en France : Ă©tat des lieux et retours d’expĂ©rience

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    Introduction : L’Éducation ThĂ©rapeutique du Patient (ETP) fait partie des approches non mĂ©dicamenteuses proposĂ©es aux patients atteints de maladie d’Alzheimer et maladies apparentĂ©es (MA2). Elle est recommandĂ©e par la Haute AutoritĂ© de santĂ© et les plans Alzheimer mais reste peu dĂ©veloppĂ©e. Objectifs : Nos objectifs sont (i) exposer l’offre d’ETP s’adressant Ă  ces patients en France, (ii) recueillir les retours d’expĂ©rience des professionnels de santĂ©, patients et aidants impliquĂ©s, (iii) dĂ©crire les difficultĂ©s rencontrĂ©es et les pistes proposĂ©es. MĂ©thode : Nous avons rĂ©pertoriĂ© les programmes d’ETP validĂ©s par les Agences RĂ©gionales de SantĂ© (ARS) s’adressant aux patients atteints de MA2, ayant rĂ©alisĂ© au moins un cycle d’ETP. Les retours d’expĂ©rience ont Ă©tĂ© recueillis par entretiens semi-dirigĂ©s. RĂ©sultats : Parmi les 49 programmes validĂ©s par les ARS, 30 rĂ©pondaient Ă  nos critĂšres. Nous avons constatĂ© une grande hĂ©tĂ©rogĂ©nĂ©itĂ© territoriale, organisationnelle et clinique. Établir un schĂ©ma d’ETP classique auprĂšs d’une population atteinte de troubles cognitifs s’avĂšre complexe, nĂ©anmoins les Ă©quipes s’adaptent. Conclusion : Notre travail souligne la dimension psycho-sociale de l’ETP dans le parcours de soin des patients atteints de MA2. Son dĂ©veloppement reste un dĂ©fi et doit ĂȘtre facilitĂ© via une coordination des Ă©quipes et une harmonisation des pratiques portĂ©es entre autres par la FĂ©dĂ©ration des Centres MĂ©moire (FCM)

    Penetrance estimation of Alzheimer disease in SORL1 loss-of-function variant carriers using a family-based strategy and stratification by APOE genotypes

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    International audienceAbstract Background Alzheimer disease (AD) is a common complex disorder with a high genetic component. Loss-of-function (LoF) SORL1 variants are one of the strongest AD genetic risk factors. Estimating their age-related penetrance is essential before putative use for genetic counseling or preventive trials. However, relative rarity and co-occurrence with the main AD risk factor, APOE -Δ4, make such estimations difficult. Methods We proposed to estimate the age-related penetrance of SORL1 -LoF variants through a survival framework by estimating the conditional instantaneous risk combining (i) a baseline for non-carriers of SORL1- LoF variants, stratified by APOE-Δ4 , derived from the Rotterdam study ( N = 12,255), and (ii) an age-dependent proportional hazard effect for SORL1- LoF variants estimated from 27 extended pedigrees (including 307 relatives ≄ 40 years old, 45 of them having genotyping information) recruited from the French reference center for young Alzheimer patients. We embedded this model into an expectation-maximization algorithm to accommodate for missing genotypes. To correct for ascertainment bias, proband phenotypes were omitted. Then, we assessed if our penetrance curves were concordant with age distributions of APOE -Δ4-stratified SORL1- LoF variant carriers detected among sequencing data of 13,007 cases and 10,182 controls from European and American case-control study consortia. Results SORL1- LoF variants penetrance curves reached 100% (95% confidence interval [99–100%]) by age 70 among APOE -Δ4Δ4 carriers only, compared with 56% [40–72%] and 37% [26–51%] in Δ4 heterozygous carriers and Δ4 non-carriers, respectively. These estimates were fully consistent with observed age distributions of SORL1- LoF variant carriers in case-control study data. Conclusions We conclude that SORL1- LoF variants should be interpreted in light of APOE genotypes for future clinical applications
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