Intranasal photobiomodulation therapy for COVID-19-related olfactory dysfunction: A Brazilian multicenter case series
Luís Eduardo Silva Soares1, Milena Miranda Goulart Guirado2, Giuseppina Berlingieri3
1Graduate Program in Biomedical Engineering, University of Vale do Paraíba (UNIVAP), Research and Development Institute (IP&D). São José dos Campos, SP, Brazil; Study Group of Laser and Health Institute, São Paulo, SP, Brazil.
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.
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