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This study aimed to survey the patterns of cannabinoi |
d |
product use among patients with laryngeal dystonia/vocal |
tremor as well as their perspectives of the efficacy of |
cannabinoid products in treating their vocal condition |
This research study defines cannabinoid products or |
cannabinoids as products or substances derived from the |
cannabis plant, including but not limited to Marijuana, |
Tetrahydrocannabinol (THC) products, and cannabidiol |
products (CBD) |
Accepted for publication May 10, 2023 |
Journal of Voice, Vol xx, No xx, pp |
xxx–xxx |
0892-1997 |
© 2023 The Voice Foundation |
Published by Elsevier Inc |
All rights reserved |
https ://doi.org/10.1016/j.jvoice.2023.05.006 From the *Keck School of Medicine, University of Southern California, Los |
Angeles, California; †Department of Surgery, Division of Otolaryngology, |
McMaster University, Hamilton, Ontario, Canada; and the ‡Caruso Department of |
Otolaryngology - Head and Neck Surgery, University of Southern California, Los |
Angeles, California |
Corresponding author E-mail: [email protected] |
Downloaded for Anonymous User (n/a) at McMaster University from ClinicalKey.com by Elsevier on September 08, |
2023 |
For personal use only |
No other uses without permission |
Copyright ©2023 |
Elsevier Inc |
All rights reserved |
MATERIALS AND METHODS |
This study was approved by the Institutional Review Board |
of the University of Southern California (UP-21-00354) |
This study used a cross-sectional survey methodology uti- |
lizing a responsive questionnaire composed of eight pri- |
mary questions |
This electronic survey was developed using |
skip logic, presenting varied questions depending on the |
participant’s responses |
The survey was created and hosted |
on REDCap, and distributed through the Dysphonia |
International (formerly the National Spasmodic |
Dysphonia Association) email listserv, a collection of ap- |
proximately 5000 emails belonging to patients, doctors, |
and other healthcare professionals |
The survey collected |
responses from December 29, 2021, to November 1, 2022 |
Participants were provided an informed consent instruc - |
tional text before starting the survey |
Participants |
To be eligible to participate, participants required a diag- |
nosis of spasmodic dysphonia or laryngeal dystonia, vocal |
tremor, and/or muscle tension dysphonia |
To answer the |
survey in its entirety, participants must have reported using |
a cannabinoid product at least once in the past to manage |
their vocal symptoms specifically |
Participants who had not |
tried a cannabinoid product at least once to treat their |
voice symptoms were ineligible to answer the remaining |
questions regarding cannabinoid use |
Participation was |
voluntary and anonymous |
Survey structure, content, and data collection |
The survey was composed of eight questions as well as an |
additional general comments box |
The survey used |
branching conditional logic to guide participants through |
the questionnaire |
The question format included multiple- |
choice, multiple-select, and open-ended written response |
Participants who selected a response of “other” on any |
question were offered a short answer write-in text box for |
clarification |
The first question asked participants if they |
had ever used cannabinoid products (Marijuana, THC |
products, CBD products) to treat their voice condition |
If a |
participant selected “no”, the survey would close but would |
allow for participants to provide write-in responses in the |
general comment box |
All other participants would be |
guided through the remaining seven primary questions with |
additional secondary subsections and clarification ques - |
tions contingent on their responses |
These participants |
were also able to provide write-in responses in the general |
comments box at the end of the survey |
A facsimile of the |
survey can be reviewed in the supplementary section of this |
study (Supplementary 1) |
Bar graphs were created to reflect the number of re- |
sponses for multiple-choice and multiple-select formatted |
questions |
Write-in responses were reviewed for common |
motifs and coded for overall themes to reflect the various perspectives of the participant responses |
Quotations were |
selected that best represented the coded themes |
Demographic information was collected to gauge the |
diversity and overall composition of the sample popula - |
Subsets and Splits