BACKGROUND: Vestibular rehabilitation (VR) is the preferred treatment for chronic vestibular symptoms such as dizziness and vertigo. An internet-based programme was developed to increase uptake of VR. The authors have previously reported that internet-based VR resulted in a clinically relevant decrease of vestibular symptoms for up to 6 months, compared with usual care. AIM: To evaluate long-term outcomes of internet-based VR in patients with chronic vestibular syndrome. DESIGN AND SETTING: A randomised controlled trial was conducted in Dutch general practice involving 322 participants aged >= 50 years with chronic vestibular syndrome. Participants were randomised to stand-alone VR, blended VR (with physiotherapy support), and usual care. Usual care participants were allowed to cross over to stand-alone VR 6 months after randomisation. METHOD: Participants were approached 36 months after randomisation. The primary outcome was the presence of vestibular symptoms as measured by the vertigo symptom scale-short form (VSS-SF). Secondary outcomes were dizziness-related impairment, anxiety, depressive symptoms, and healthcare utilisation. RESULTS: At 36-month follow-up, 65% of participants filled in the VSS-SF. In the usual care group, 38% of participants had crossed over to VR at 6 months. There were no significant differences in vestibular symptoms between VR groups and usual care (mean difference -0.8 points, 95% confidence interval (CI) -2.8 to 1.2, for stand-alone VR; -0.3, 95% CI -2.2 to 1.7, for blended VR). In VR groups, clinically relevant improvement compared with baseline was maintained over time. CONCLUSION: Internet-based VR provides a maintained improvement of vestibular symptoms for up to 36 months in patients with chronic vestibular syndrome.

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