moyamoya puff of smoke
Conditions
Interventions
None listed
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Inclusion criteria for pediatric patients - Moyamoya vasculopathy - Signed informed consent - Age 12-18 yrs old - MRI without anesthesia;Inclusion criteria for adult patients - Moyamoya vasculopathy - Signed informed consent - Age 18-55 yrs old - Legally competent - MRI without anesthesia;Inclusion criteria for control subjects - 12-60yrs old - 7T MR imaging performed for suspected pituitary adenoma - No known intracranial vessel wall disease or history of cerebrovascular events If applicable: - Legally competent - Signed informed consent - MRI without anesthesia
Exclusion criteria
Exclusion criteria: For patients - Allergic to gadolinium - Impaired renal function (severe renal insufficiency, GFR
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The intracranial vessel wall (circle of Willis and its main branches and the moyamoya vessels) characteristics in MMV. | — |
Secondary
| Measure | Time frame |
|---|---|
| Secondary study parameters/endpoints Establishing differences (e.g. in presence or absence of intracranial vessel wall abnormalities) in the vessel walls between the symptomatic and asymptomatic hemisphere in each individual patient and between children and adults. Third study parameters/endpoints The investigation of blood flow through the major arteries (circle of Willis and its main branches) and the moyamoya vessels (lenticulostriatal and leptomeningeal collaterals). Other study parameters The characterization the intracranial vessel wall, by evaluating the signal characteristics on multiple MRI sequences. | — |
Countries
Netherlands