Scholtz, Arne W.
Waldfahrer, Frank
Hampel, Regina
Weisshaar, Gerhard
Article History
Accepted: 6 July 2022
First Online: 21 July 2022
Declarations
:
: Funding of this meta-analysis and open access was provided by Hennig Arzneimittel, Flörsheim am Main, Germany.
: Arne W. Scholtz and Frank Waldfahrer have no conflicts of interest that are directly relevant to the content of this article. Regina Hampel is an employee of GKM Gesellschaft für Therapieforschung mbH, Munich, Germany, and Gerhard Weisshaar is an employee of Hennig Arzneimittel.
: This meta-analysis is based on previously conducted studies. The individual studies were reviewed and approved by the local Ethics Committees at the study sites. All patients provided their written consent to participate in the respective study.
: Not applicable.
: Not applicable.
: The datasets generated during and/or analysed during the current meta-analysis are available from the corresponding author on reasonable request.
: Not applicable.
: All authors made substantial contributions to the study conception, design and interpretation of the data. RH performed the aquisition and verification of data, and conducted the statistical analyses. GW drafted the manuscript and all authors took part in revising and critically reviewing the article. All authors read and approved the final manuscript.
: Study 1: J. Pytel, G. Nagy, ENT Department, University Medical School Pccs, Hungary; S. Spellenberg, Department of Audiology and Otoneurology, Saint John Hospital, Budapest, Hungary; G. Répassy, A. Tódt, Department of Otorhinolaryngology, University of Debrecen, Hungary. Study 2: Z. Cirek, ENT Department Pilsen of the Charles University Prague, Pilsen, Czech Republic; M. Novotný, ENT Department, University of Olomouc, Czech Republic; P. M. Shotekov, N. Nicoevski, 1st Neurology Clinic, Medical Academy of Sofia, Bulgaria. Study 3: Z. Cirek, ENT Department Pilsen of the Charles University Prague, Pilsen, Czech Republic. Study 4: A. W. Scholtz, ENT Clinic, Medical University of Innsbruck, and ENT Center for Vertigo, Innsbruck, Austria; A. Hahn, ENT Clinic, Charles University of Prague, 3rd Medical Faculty, Prague, Czech Republic; P. Pavlicek, B. Stefflova, ENT Clinic, Regional Hospital Budweis, Czech Republic; D. Medzhidieva, ENT Clinic, Medical University of Sofia—St. Ivan Rilski Hospital, Sofia, Bulgaria; S.V. Ryazantsev, Federal State Institution St. Petersburg Research Institute of Ear, Throat, Nose and Speech, St. Petersburg, Russia; A. Paschinin, North West State Medical University n. a. I.I. Mechnikov of Ministry of Health and Social Development, St. Petersburg, Russia; N. Kunelskaya, Moscow Research—Practical Center of Otolaryngology n. a. L. I. Sverzhevsky, Moscow, Russia.