Clinical Research Directory

The Stroke Aetiology and VascuLar Disease in Stroke and TIA Study - A Clinical Study Analysing the Effects on Cardiovascular Health and Disease With an Extended Investigation Into Conditions Causative of Stroke and Concomitant Cardiovascular Disease in Patients Admitted for Acute Stroke or TIA

Sponsor: Region Stockholm

Summary

Annually, about 4000 Swedes suffer a recurrent stroke, and for many, their lives change dramatically. To prevent recurring strokes, knowledge about the individual's risk of recurrence is needed to tailor an effective preventive medical treatment. The purpose of the SALSA study is to investigate whether an expanded risk assessment and subsequent treatment can reduce the recurrence of stroke in study patients. Stroke, i.e., infarction/bleeding in the brain, has several different causes that individually or together constitute the risk of recurrence. Furthermore, stroke patients often have concomitant vascular diseases in other vascular beds, which further increases the risk. Every fourth patient with acute stroke or transient ischemic attack (TIA) admitted to any of the stroke wards at Danderyd Hospital, Stockholm, Sweden, is consecutively invited to participate in the SALSA study. Those who accept the study invitation, receive an expanded investigation of the most common causes of cerebral infarction (atherosclerosis, atrial fibrillation, narrowing of the brain\'s small vessels) or brain haemorrhage (presence of the protein amyloid in the vessels, high blood pressure). Due to the high risk of stroke patients having a vascular disease, such as atherosclerosis, the presence of arterial stiffness in the aorta, 24-hour blood pressure, and blood circulation in the legs are examined at the follow-up visit. If vascular disease is detected, expanded preventive treatment is provided. Neither a general investigation of the most common stroke aetiologies in addition to the one assessed to have caused the current stroke nor examinations of other vascular beds are recommended in national stroke guidelines. In addition to the extended risk assessment, the patient will get a written treatment program tailored after the individual patient's risk profile. The compliance to this treatment program will be assessed during a return visit one year after the hospital stay. After this visit, the active participation in the study is completed for the study participant. During the remainder of the follow-up, the study participant will be followed in national medical registers. The remaining 3/4 of patients at Danderyd Hospital constitute the comparison group, who are investigated and treated according to routine and hence do not undergo the additional vascular examinations. Stroke recurrence and other cardiovascular events occurring within the next 5-10 years will be compared between study patients and the comparison group via the national stroke registry containing all stroke and TIA patients at Danderyd Hospital.

Official title: The SALSA Study - Investigating the Effect of Extended Assessment of Stroke Aetiology and Vascular Disease on the Risk of Recurrence.

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