ArticleJournal of neuro-oncology2021
Stroke rate after external fractionated radiotherapy for benign meningioma.
Article in Journal of neuro-oncology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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6 authors at 1 institution in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
purposePatients with a benign meningioma often have a long survival following the treatment of their meningioma. Since radiotherapy is frequently part of the treatment, long-term side effects are of considerable concern. A controversial long-term side effect of radiotherapy is stroke. Due to its severity, it is important to know the frequency of this side effect. The aim of this study was to assess the stroke incidence and risk factors among patients receiving radiotherapy for their benign meningioma.
methodsWe performed a retrospective database study of patients who underwent primary or adjuvant radiotherapy for their benign meningioma at University Hospitals Leuven from January 2003 to December 2017.
resultsWe included 169 patients with a median age of 51 years (range 22-84). Every patient received fractionated radiotherapy using photons with a median dose of 56 Gy (range 54-56) in fractions of 2 Gy (range 1.8-2). The median follow-up was 5.3 years (range 0.1-14). The cumulative stroke incidence function showed an incidence of 11.6% after 9 years of follow-up, translating to a stroke incidence per year of 1.29%. We found two significant risk factors for stroke: medically treated arterial hypertension (p = 0.005) and history of previous stroke or transient ischemic attack (p < 0.001). 5-year local control and overall survival rates were respectively 97.4% and 91.2%. Other late grade III/IV toxicities occurred in 16.0% (27/169) of patients.
conclusionOur study shows a higher incidence of stroke in patients who received radiotherapy for their benign meningioma compared to the general population.
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