{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,25]],"date-time":"2026-10-25T11:33:30Z","timestamp":1792928010808,"version":"4.5.0"},"reference-count":31,"publisher":"Korean Society of Cerebrovascular Surgeons\/Korean Society of Endovascular Surgery","issue":"1","license":[{"start":{"date-parts":[[2024,3,25]],"date-time":"2024-03-25T00:00:00Z","timestamp":1711324800000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"content-domain":{"domain":["the-jcen.org"],"crossmark-restriction":true},"short-container-title":["J Cerebrovasc Endovasc Neurosurg"],"published-print":{"date-parts":[[2024,3,31]]},"abstract":"<jats:p>Objective: Endovascular coil embolization is the primary treatment modality for intracranial aneurysms. However, its long-term durability remains of concern, with a considerable proportion of cases requiring aneurysm reopening and retreatment. Therefore, establishing optimal follow-up imaging protocols is necessary to ensure a durable occlusion. This study aimed to develop guidelines for follow-up imaging strategies after endovascular treatment of intracranial aneurysms.Methods: A committee comprising members of the Korean Neuroendovascular Society and other relevant societies was formed. A literature review and analyses of the major published guidelines were conducted to gather evidence. A panel of 40 experts convened to achieve a consensus on the recommendations using the modified Delphi method.Results: The panel members reached the following consensus: 1. Schedule the initial follow-up imaging within 3-6 months of treatment. 2. Noninvasive imaging modalities, such as three-dimensional time-of-flight magnetic resonance angiography (MRA) or contrast-enhanced MRA, are alternatives to digital subtraction angiography (DSA) during the first follow-up. 3. Schedule mid-term follow-up imaging at 1, 2, 4, and 6 years after the initial treatment. 4. If noninvasive imaging reveals unstable changes in the treated aneurysms, DSA should be considered. 5. Consider late-term follow-up imaging every 3\u20135 years for lifelong monitoring of patients with unstable changes or at high risk of recurrence.Conclusions: The guidelines aim to provide physicians with the information to make informed decisions and provide patients with high-quality care. However, owing to a lack of specific recommendations and scientific data, these guidelines are based on expert consensus and should be considered in conjunction with individual patient characteristics and circumstances.<\/jats:p>","DOI":"10.7461\/jcen.2024.e2023.08.008","type":"journal-article","created":{"date-parts":[[2024,3,25]],"date-time":"2024-03-25T07:35:52Z","timestamp":1711352152000},"page":"1-10","update-policy":"https:\/\/doi.org\/10.7461\/crossmark_policy","source":"Crossref","is-referenced-by-count":9,"title":["Imaging follow-up strategy after endovascular treatment of Intracranial aneurysms: A literature review and guideline 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