The cohort will be constituted of all consecutive patients admitted for a stroke or transient ischemic attack by the Rhône's emergency medical help service (SAMU), or in one of the emergency unit or stroke unit of the Rhône area, and presenting a symptom-onset (the last time the patient was seen without deficit) less than 24 hours.

Determination of factors associated to the conformity to secondary prevention treatment 1, 2 and 3 years post a stroke or transient ischemic attack.

The overall medication possession ratio is the average of the medication possession ratio calculated for each therapeutic class (antiplatelet agents, anticoagulants, antihypertensives, hypolipidemic agents and oral antidiabetics).

The medication possession ratio will be calculated from dispensing data from regional health insurance database and prescription data from the STROKE 69 study. For each patient, a medication possession ratio (CMA7 index) will be obtained by the ratio of the quantity of medication units dispensed to the quantity of medication units prescribed.

A phone call will be made to patients 1 year post a stroke or transient ischemic attack.

The following determinants will be studied in the 5 dimensions defined by World Health Organization:

1. Socio-economic: level of education, profession, health insurance
2. Patient and family-social environment: age, sex, marital status, lifestyle, level of patient support in the management of their treatment, representation of the disease and beliefs about medication
3. Care pathway: management of stroke / TIA in emergency or neurovascular unit, admission to rehabilitation unit, medical consumption and therapeutics acts in the year following stroke / TIA
4. Pathology: TIA or ischemic stroke, duration of hospitalization in acute phase and type of hospital, history of stroke or TIA, disability and autonomy, fatigue, anxiety and depression, comorbidities
5. Treatments: therapeutic class and number of treatments / polymedication.