Association Between e-Cigarette Vaping, Voice Quality and Vocal Cord Integrity Among Patients at the Quezon City General Hospital
DOI:
https://doi.org/10.32412/pjohns.v40i2.2355Keywords:
voice quality, vocal cord, larynx, smoking, vaping, e-cigarette, cigarette, voice handicapAbstract
Objective: To determine the association between e-cigarette vaping, voice quality and vocal
cord integrity among patients aged 19 years old and above at the Quezon City General Hospital
based on the Filipino Voice Handicap Index (VHI), laryngoscopy, and GRBAS scale.
Methods:
Design: Cross-Sectional Study
Setting: Tertiary Government Training Hospital
Participants: Ninety-eight (98) participants aged 19 years old and above with no previously known laryngeal illness who use e-cigarettes, completed the Filipino VHI, laryngoscopic evaluation, and GRBAS evaluation were recruited in the study.
Results: Out of 98 participants, 65.3% (64/98) and 34.7% (34/98) were current and past e-cigarette
users, respectively, of which 30% (29/98) had abnormal laryngeal findings. Abnormal laryngeal
findings were observed in 34.4% (22/64) and 20.6% (7/34) of current and past e-cigarette users, respectively, (p=.172) which include erythema, edema or swelling, vascularity, and mucus in the vocal folds. Asthma (OR=145.1, 95%CI=2.6-79.2, p=.015) and current smoking (OR=13.9, 95%CI=1.6-17.1, p=.016) were significantly associated with abnormal laryngeal findings, while current smoking was significantly associated with higher GRBAS scores (β=0.5, 95%CI=0.06-1.0, p=.025). Years vaping, pods and drops used, and nicotine content level were not significantly associated with abnormal laryngeal findings, GRBAS scores and VHI scores (p>.05).
Conclusion: In this study, the prevalence of abnormal laryngeal findings was 30% among e-cigarette users which was higher among current e-cigarette users than past users. Concurrent cigarette smoking was a significant predictor of abnormal endoscopic findings and voice quality. Further research is recommended to substantiate the association of e-cigarette vaping with voice quality and laryngeal integrity.
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