Clinical Course and Visual Outcomes of Papilledema in Pediatric Cerebral Venous Sinus Thrombosis.

Cerebral venous sinus thrombosis (CVST) is a rare but life-threatening event with significant neurologic and visual morbidity. In this study, we report on the natural history and visual outcomes of papilledema in children with CVST. Retrospective case series. Patients with CVST evaluated by the Department of ophthalmology between 2000 and 2023 were included. Records were reviewed for presence and course of papilledema, treatment, and final visual outcomes following papilledema resolution. The study included 35 patients with a mean age of 9 ± 5 years and 40% were female. The most common risk factors for CVST were infection (69%), dehydration (26%), and hypercoagulability (23%). 31 patients (89%) had papilledema. Of these patients, 9 (29%) had progression of papilledema despite treatment, 17 patients (55%) did not have progression, and 5 patients (16%) lacked follow-up records. Initial Frisén grade among all cases was 2 ± 1, and cases with progression reached a grade of 4 ± 1 between 10 and 32 days following initial identification. Most patients (97%) were treated with anticoagulation and 100% required acetazolamide and/or lumbar puncture. Among 26 patients with follow-up, papilledema resolved in 107 ± 128 days. 54% of patients had permanent ophthalmic sequelae. An initial Frisén grade ≥3 (odds ratio [OR] 7.54, 95% confidence interval [CI] 6.53-8.70, p <0.001) was significantly associated with eventual optic atrophy. Children with CVST are at high risk for ophthalmologic sequelae. Papilledema can progress despite appropriate therapy. Our results highlight the importance of ophthalmologic follow-up during treatment course to prevent irreversible vision loss.

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