ArticleNeuro-oncology2024
The cochlear dose and the age at radiotherapy predict severe hearing loss after passive scattering proton therapy and cisplatin in children with medulloblastoma.
Article in Neuro-oncology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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3 citing papers in PubMed.
- Sensorineural hearing loss after pediatric cranial radiotherapy: a multicenter analysis of dosimetric and clinical risk factors.Supportive care in cancer : official journal of the Multinational Association of Supportive Care in Cancer · 2026Article
- Letter to the editor in response to Tang et al.Neuro-oncology · 2024Article
- Letter to the editor on "The cochlear dose and the age at radiotherapy predict severe hearing loss after passive scattering proton therapy and cisplatin in children with medulloblastoma".Neuro-oncology · 2024Article
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10 authors.
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Abstract
backgroundHearing loss (HL) is associated with worse neurocognitive outcomes among patients with medulloblastoma. We aimed to identify risk factors associated with severe HL and to evaluate the generalizability of a published HL calculator among patients treated with passive scattering proton therapy (PSPT) and cisplatin.
methodsWe identified patients aged 3-21 years who were treated at our centers between 2007 and 2022. Audiograms were graded using the International Society of Pediatric Oncology (SIOP) Boston scale. Time to grades 3-4 HL was evaluated using Kaplan-Meier and multivariable Cox models to estimate hazard ratios and 95% confidence intervals (CI).
resultsSeventy-nine patients were treated with PSPT at a median age of 7.5 years (range: 3.1-21.1). The mean cochlear dose (Dmc) (±SD) was 31.5 ± 8.5 Gy, and the cumulative cisplatin dose was 295 ± 50 mg/m2. Fifty-nine patients (75%) received amifostine. Patients completed a median of 9 audiograms (range: 4-22) with a median audiogram follow-up of 49 months (range: 6-177). Twenty-seven patients (34%) had grades 3-4 HL. In adjusted Cox models, only higher Dmc (HR = 1.12, 95% CI:1.06-1.18) was associated with grades 3-4 HL. The predicted 3-year incidence of grades 3-4 HL was 40.0% (95% CI: 21.3-66.3) and 66.7% (95% CI: 35.4-93.7) for children with Dmc ≥36 Gy and age at radiotherapy ≥7 and <7 years, respectively (P = .042). It was 8.9% (95% CI: 2.3-31.6) and 15.6% (95% CI: 5.3-41.1) for children with Dmc <36 Gy and age at radiotherapy ≥7 and <7 years, respectively (P = .78).
conclusionsChildren <7 years at radiotherapy with a Dmc ≥36 Gy are at higher risk for HL.
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