Clinical Efficacy of Revascularization Surgery for Moyamoya Angiopathy: Long-Term Results of a European Cohort.

The mean age was 35.0 ± 17.2 years, including 192 women and 84 men, predominantly of Caucasian ethnicity (88.0%).

Ischemia (82.2%) and hemorrhage (10.1%) were the most common symptoms at onset.

Most adults (80.9%) were treated with combined bypass surgery via mini-craniotomy.

Within 30 days, complications occurred in 6.3% of surgeries, and the perioperative stroke risk was 2.6%.