Diode laser in management of loss of taste sensation in patients with post-COVID syndrome: a randomized clinical trial

Loss of taste (ageusia) is a symptom observed following recovery from COVID-19 infection. The loss of taste and smell sensation may negatively affect patients' quality of life (QoL). The present study aimed to evaluate the effectiveness of the Diode Laser in managing loss of taste sensation in...

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Bibliographic Details
Published in:BMC oral health 2023-05, Vol.23 (1), p.263-263, Article 263
Main Authors: Shabaan, Alshaimaa Ahmed, Kassem, Islam, Mahrous, Aliaa Ibrahium, Aboulmagd, Inass, Badrah, Mai, Attalla, Mohamed, Refahee, Shaimaa Mohsen
Format: Article
Language:English
Subjects:
Ageusia
Clinical trials
Coronaviruses
COVID-19
COVID-19 - complications
Diode laser
Health aspects
Humans
Infections
Laser therapy
Lasers
Lasers, Semiconductor - therapeutic use
Low-level
Olfaction
Olfaction Disorders
Patients
Performance evaluation
Placebos
Quality of Life
Recovery (Medical)
SARS-CoV-2
Sensation
Severe acute respiratory syndrome coronavirus 2
Smell
Statistical analysis
Steroids
Taste
Taste disorder
Taste disorders
Taste Disorders - etiology
Tongue
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Summary:Loss of taste (ageusia) is a symptom observed following recovery from COVID-19 infection. The loss of taste and smell sensation may negatively affect patients' quality of life (QoL). The present study aimed to evaluate the effectiveness of the Diode Laser in managing loss of taste sensation in patients with post-COVID syndrome versus the placebo. The study sample was 36 patients who complained of persistent loss of taste sensation following COVID-19. The patients were randomly assigned to one of the two groups according to the received treatment: Group I (laser treatment) and Group II (light treatment), with each patient receiving a diode laser treatment or placebo from the same operator. Taste sensation was subjectively measured after treatment for four weeks. The results demonstrated a significant difference between both groups regarding taste restoration after one month (p = 0.041), with Group II having a significantly higher percentage of cases 7 (38.9%) with partial taste restoration. In contrast, a significantly higher proportion of Group I 17 cases (94.4%) had complete taste restoration (p 
ISSN:1472-6831
1472-6831
DOI:10.1186/s12903-023-02952-w