<qa>  What is the OMAGE-P transitional care?Setting: General hospital of Eaubonne : geriatric department acute geriatric unit, rehabilitation unit , geriatric mobile unit and internal medicine department The OMAGE-P transitional care: this transitional care is derived from the OMAGE intervention, which has proved to be associated with a significant reduction of readmitted patient 3 month after their discharge from acute geriatric unit , 20.2 of Intervention group participants had been readmitted on an emergency basis, compared with 28.4 of control group participants, P .01, RRR 28.9, 95 CI 6.0-51.5, Legrain et al JAGS 2011. The OMAGE -P transitional care consisted in i a comprehensive review of diagnosis and treatments, performed by hospital physician. The physician of participating units have been training to this medical review using a simple tool derived from a HAS program for the optimization of prescription in elderly. This tool consists in a table confronting patients health problems and its treatments . This review necessitate an in depth treatments history performed by physician in collaboration with usual patients pharmacist , a collaboration with general practitioner and an assesment of patients problems regarding drug management including adherence, self-medication ..etc performed by the OMAGE nurse. 