CREATE TABLE topic ( id VARCHAR(100) PRIMARY KEY, name VARCHAR(255) NOT NULL, description TEXT NOT NULL, category VARCHAR(100) NOT NULL ); INSERT INTO topic (id, name, description, category) VALUES ('intracranial-aneurysms', 'Intracranial Aneurysms', 'Diagnosis, classification, endovascular coiling, flow diversion, and surgical clipping of intracranial aneurysms.', 'Neurointervention'), ('arteriovenous-malformations', 'Arteriovenous Malformations', 'Pathophysiology, Spetzler-Martin grading, embolization strategies, and multimodality treatment of cerebral AVMs.', 'Neurointervention'), ('dural-arteriovenous-fistula', 'Dural Arteriovenous Fistula (DAVF)', 'Classification (Borden/Cognard), clinical presentation, transarterial and transvenous embolization of DAVFs.', 'Neurointervention'), ('acute-ischemic-stroke', 'Acute Ischemic Stroke (AIS)', 'IV thrombolysis, mechanical thrombectomy, patient selection, access strategies, and outcomes for acute ischemic stroke.', 'Neurointervention'), ('carotid-vertebral-artery-disease', 'Carotid & Vertebral Artery Disease', 'Carotid artery stenting, angioplasty, dissection management, and vertebral artery interventions.', 'Neurointervention'), ('spinal-vascular-malformations', 'Spinal Vascular Malformations', 'Classification, angiographic evaluation, and endovascular treatment of spinal dural and perimedullary fistulas and AVMs.', 'Neurointervention'), ('tumor-embolization', 'Tumor Embolization', 'Pre-operative embolization techniques, embolic agents, and complication management for hypervascular tumors.', 'Neurointervention'), ('cerebral-venous-disease', 'Cerebral Venous Disease', 'Cerebral venous sinus thrombosis, venous angioplasty, stenting for intracranial hypertension, and dural sinus interventions.', 'Neurointervention'), ('pediatric-neurointervention', 'Pediatric Neurointervention', 'Specific considerations, techniques, and outcomes for endovascular procedures in the pediatric population.', 'Neurointervention'), ('free-form', 'Free-form Chat', 'Open-ended questions across any neurointervention topic.', 'General');