{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,4]],"date-time":"2026-08-04T00:01:44Z","timestamp":1785801704922,"version":"3.56.0"},"reference-count":27,"publisher":"BMJ","issue":"7","content-domain":{"domain":["bmj.com"],"crossmark-restriction":true},"short-container-title":["J NeuroIntervent Surg"],"accepted":{"date-parts":[[2020,9,29]]},"published-print":{"date-parts":[[2021,7]]},"abstract":"<jats:sec><jats:title>Background<\/jats:title><jats:p>Retinoblastoma is the most common primary intraocular malignancy in children.<\/jats:p><\/jats:sec><jats:sec><jats:title>Objective<\/jats:title><jats:p>To determine the incidence of ophthalmic artery (OA) occlusion in patients treated with selective ophthalmic artery catheterization (OAC) for chemotherapy infusion for retinoblastoma. Also, to evaluate technical, anatomical, tumorous, and patient-related factors that are predictors of OA occlusion.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>A retrospective chart review was performed for patients diagnosed with intraocular retinoblastoma and managed with intra-arterial chemotherapy (IAC).<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>The total study cohort included 208 retinoblastoma tumors of 208 eyes in 197 consecutive patients who underwent 688 attempted IAC infusions overall with a total of 624 successful OAC infusions. The total incidence of ophthalmic artery thrombosis was 11.1% (23\/208). The numbers of successful OAC procedures before diagnosing OA occlusion were one OAC in six cases (27.3%), two in seven cases (31.8%), three in four cases (18.2%), four in one case (4.5%), five in two cases (9.1%), and six in one case (4.5%).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>Local factors relating to the chemotherapy and selective microcatheterization of the OA are essential factors in the development of OA thrombosis, as seen by the association of OA thrombosis with the frequency of IAC.<\/jats:p><\/jats:sec>","DOI":"10.1136\/neurintsurg-2020-016759","type":"journal-article","created":{"date-parts":[[2020,10,29]],"date-time":"2020-10-29T21:26:21Z","timestamp":1604006781000},"page":"652-656","update-policy":"https:\/\/doi.org\/10.1136\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":13,"title":["Incidence and predictors of ophthalmic artery occlusion in intra-arterial chemotherapy for 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