(minor cognitive function major or silent stroke) paralysis postoperative stroke
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: all patients accepted for elective surgery on the ascending aorta and aortic arch via median sternotomy
Exclusion criteria
Exclusion criteria: - emergency operation (including type A dissection) - patients with a difficult transtemporal acoustic ultrasound *bone window* - patients with claustrophobia and therefore unwilling to have magnetic resonance brain imaging or that have other contra-indications for this investigation (pacemakers, etc.) - patients with a more than 60% stenosis or occlusion of one or both carotid arteries - intraoperative technical failure of TCD registration
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Number of cerebral microemboli counted on Transcranial Doppler ultrasound recordings | — |
Secondary
| Measure | Time frame |
|---|---|
| Postoperative ischemic reactions in the brain assessed by diffusion-weighted magnetic resonance imaging of the brain | — |
Countries
Netherlands