European Society of Minimally Invasive Neurological Therapy (ESMINT)perimesencephalic subarachnoid hemorrhageBAPAsintracranial aneurysmsBasilar artery perforator aneurysms (BAPAs)PERFANactive treatment
…lticenter PERFAN (Perforator Aneurysm) registry—endorsed by the European Society of Minimally Invasive Neurological Therapy (ESMINT)—was initiated in 2023.Method Participating centers retrospectiv…