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1.
Photodiagnosis Photodyn Ther ; 37: 102643, 2022 Mar.
Article in English | MEDLINE | ID: covidwho-1531705

ABSTRACT

BACKGROUND AND AIM: Among the most common symptoms of COVID-19 is taste dysfunction, which has a ranging clinical presentation. As well as its pathophysiology remains to be unclear, there is not enough information about the efficacy and safety of the available treatments. This study aims to report a series of cases using PBMT for the management of COVID-19-related taste impairment. CASE SERIES: 8 female and 2 male patients sought medical help for taste impairment (either partially or completely) after COVID-19 infection. Photobiomodulation therapy (PBMT) on the tongue mucosa was then proposed but with 3 different protocols. Taste perception at baseline and before every laser session was evaluated using a visual analog scale. Irrespective of the PBMT protocol, taste recovery was noted in all cases but with varying degrees of improvement. CONCLUSION: given the high prevalence rates of taste dysfunction in COVID-19 patients and the lack of information about the available treatments, PBMT seems to be a promising therapeutic modality but not dependent on the total number of laser sessions and the interval between them. The choice of the most suitable laser protocol as well as the knowledge of the exact photonic mechanisms, however, need to be better studied.


Subject(s)
COVID-19 , Low-Level Light Therapy , Photochemotherapy , Female , Humans , Low-Level Light Therapy/methods , Male , Photochemotherapy/methods , SARS-CoV-2 , Taste Disorders/etiology
2.
Photodiagnosis Photodyn Ther ; 36: 102574, 2021 Dec.
Article in English | MEDLINE | ID: covidwho-1458817

ABSTRACT

Olfactory dysfunction is commonly seen in COVID-19 patients; however, little is known about the pathophysiology and management. The present study aimed to report a series of cases in which three protocols of intranasal photobiomodulation therapy (PBMT) were used for COVID-19-related olfactory dysfunction. Irrespective of the PBMT protocol, olfaction recovery was noted in all cases but with varying degrees of improvement. Although intranasal PBMT seems to be a promising therapeutic modality, more research is needed to better define effectiveness.


Subject(s)
COVID-19 , Low-Level Light Therapy , Olfaction Disorders , Photochemotherapy , Humans , Olfaction Disorders/drug therapy , Olfaction Disorders/therapy , Photochemotherapy/methods , Photosensitizing Agents/therapeutic use , SARS-CoV-2 , Smell
3.
Photodiagnosis Photodyn Ther ; 34: 102281, 2021 Jun.
Article in English | MEDLINE | ID: covidwho-1195388

ABSTRACT

Oral lesions related to the novel Coronavirus Disease 2019 (COVID-19) have been increasingly described; however, clinical and epidemiological information is still scant. Although a diversity of therapeutic strategies for the management of these lesions are present in the literature, one can note a lack of standardization and doubtful effectiveness. Thus, the present study aimed to report a series of cases in which a combination of antimicrobial photodynamic therapy (aPDT) and photobiomodulation therapy (PBMT) was used for orofacial lesions in patients suffering from COVID-19. It was noted, in all cases, a marked improvement in tissue repair and pain relief within a few days; moreover, the patients recovered their orofacial functions satisfactorily. Based on the present series of cases and having in mind the conspicuous lack of information on the different aspects of COVID-19, the protocol which combined aPDT with PMBT seemed to be effective in the management of COVID-19-related orofacial lesions.


Subject(s)
Anti-Infective Agents , COVID-19 , Low-Level Light Therapy , Photochemotherapy , Anti-Infective Agents/therapeutic use , Humans , Photochemotherapy/methods , Photosensitizing Agents/therapeutic use , SARS-CoV-2
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