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OBJECTIVE: To compare long-term quality-of-life outcomes in vestibular schwannoma patients managed with observation, microsurgery, or stereotactic radiation. STUDY DESIGN: ross-sectional survey with retrospective chart review. SETTING: Tertiary care center. SUBJECTS AND METHODS: The Penn Acoustic Neuroma Quality of Life (PANQOL) survey was mailed to 600 patients treated for vestibular schwannoma. Patients were separated by treatment and subsequently subdivided by years of follow-up (0-5, 6-10, and >10 years). Composite quality-of-life (cQOL) scores and subscores for hearing, balance, facial nerve, pain, anxiety, energy, and general health were calculated. Scores were compared among treatment groups as a whole, among treatment groups at each time interval, and within treatment groups over time using a 2-tailed analysis of variance and paired t test. RESULTS: The survey return rate was 49%, and the mean follow-up was 7.9 years. The only significant difference in cQOL occurred at 0 to 5 years, where stereotactic radiation scores were better than both microsurgery and observation (P = .009). No significant differences were detected in cQOL after 5 years. Within the radiation group, cQOL was significantly lower at 6 to 10 years than at 0 to 5 years (P = .013). At no point was cQOL for stereotactic radiation less than that for observation or microsurgery. CONCLUSIONS: Long-term (>5 years) quality-of-life outcomes measured by the PANQOL in vestibular schwannoma patients show no significant differences between stereotactic radiation, observation, and microsurgical intervention. Studies are needed to fully evaluate very-long-term QOL for patients with vestibular schwannoma.
Robinett et al. (Tue,) studied this question.