Effectiveness of a training intervention to improve the management of vertigo in primary care: a multicentre cluster-randomised trial, VERTAP

Jenniffer Elizabeth Pérez Patiño, José Lluís Ballvé Moreno, Yolanda Rando Matos, Jesús Almeda Ortega, Oriol Cunillera Puértolas, Ricard Carrillo Muñoz, Iván Villar Balboa, Xavier González Compta, Olga Lucía Arias Agudelo, Sebastiá Calero Muñoz, Vanessa Monforte Rodríguez, Anna Navarro Cortes, Eva Peguero Rodríguez, Jenniffer Elizabeth Pérez Patiño, José Lluís Ballvé Moreno, Yolanda Rando Matos, Jesús Almeda Ortega, Oriol Cunillera Puértolas, Ricard Carrillo Muñoz, Iván Villar Balboa, Xavier González Compta, Olga Lucía Arias Agudelo, Sebastiá Calero Muñoz, Vanessa Monforte Rodríguez, Anna Navarro Cortes, Eva Peguero Rodríguez

Abstract

Background: Benign paroxysmal positional vertigo (BPPV) is the most common type of vertigo. While BPPV is best treated with canalicular repositioning manoeuvres, they are not routinely performed in primary care (PC).

Methods: To evaluate the effectiveness of blended training (online and face-to-face) on the diagnosis and management of vertigo to improve adherence of family doctors to clinical practice guidelines, we designed a community multicentre cluster-randomised open-label trial with an intervention (IG) and a control (GC) group of 10 primary care teams (PCT) each. Outcome variables will be ICD-10 diagnostic codes (proportion of nonspecific diagnoses such as dizziness and vertigo versus specific diagnoses such as BPPV, vestibular neuritis, and Menière's disease); number of referrals to ENT or neurology specialists; prescription of antivertigo agents; and duration of sick leave due to vertigo. The baseline comparability of the two study groups will be analysed to ensure homogeneity. A description of all baseline variables will be performed. Student's t-test will be used to evaluate the differences between the groups. Logistic regression multivariate analysis will be performed to study the relationship between baseline variables of professionals and centres with outcome variables.

Discussion: With the improvement of the diagnosis and management of vertigo by family doctors after this training, we expect an increase in the proportion of specific diagnoses, a decrease in the prescription of antivertigo agents, a decrease in referrals to ENT or neurology specialists and a reduction in the duration of sick leave due to temporary disability. The blended training will be easily expanded within primary care services, since it is mainly delivered online, with a single face-to-face session to ensure that the manoeuvres have been adequately learned.

Trial registration: ClinicalTrials.gov NCT04929444 . Registered June 18, 2021. This protocol has been approved by the Ethics Committee of the Institut Universitari d'Investigació en Atenció Primària Jordi Gol (IDIAP Jordi Gol) with the code 20/004-P. All patient data will be anonymised in agreement with the 2016/679 European Regulation.

Keywords: Benign paroxysmal positional vertigo; Primary care; Randomised clinical trial; Training intervention.

Conflict of interest statement

The authors declare that they have no competing interests.

© 2022. The Author(s).

Figures

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Study flowchart
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VERTAP study participant information sheet
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Informed consent

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Source: PubMed

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