Neurology 2020 09 5;95(9):e1117-e1125. Epub 2020 Aug 5.
From the Department of Neurology (S.-H.J.), Chungnam National University Hospital, Chungnam National University School of Medicine, Daejeon; Departments of Neurology (J.-S.K.) and Otolaryngology (J.-W.K.), Seoul National University College of Medicine; Dizziness Center (J.-S.K., J.-Y.C., J.-W.K.), Research Administration Team (H.-J.K.), and Medical Research Collaborating Center (S.A., S.K.), Seoul National University Bundang Hospital, Seongnam; Department of Neurology (K.-D.C., S.-Y.C.), Pusan National University Hospital, Pusan National University School of Medicine; Department of Neurology (J.-Y.P.), Ulsan University College of Medicine, Ulsan University Hospital; Department of Neurology (S.-H.L.), Chonnam National University Medical School, Gwangju; Department of Neurology (S.-Y.O., T.-H.Y.), Chonbuk National University School of Medicine, Jeonju; Department of Neurology (J.H.P.), School of Medicine, Catholic University of Daegu, Korea; and Department of Neurology (I.J.), Korea University Ansan Hospital.
Objective: To assess the effect of vitamin D and calcium supplementation in preventing recurrences of benign paroxysmal positional vertigo (BPPV).
Methods: We performed an investigator-initiated, blinded-outcome assessor, parallel, multicenter, randomized controlled trial in 8 hospitals between December 2013 and May 2017. Patients with confirmed BPPV were randomly assigned to the intervention (n = 518) or the observation (n = 532) group after successful treatment with canalith repositioning maneuvers. Read More