Is SARS-CoV-2 (COVID-19) postviral olfactory dysfunction (PVOD) different from other PVOD?

Background: The SARS-CoV-2 virus continues to spread rapidly across the globe afflicting many with Coronavirus Disease 2019 (COVID-19). As the infection rates rise, a growing number of SARS-CoV-2 positive individuals have been reported to complain of olfactory disturbances at an alarming rate. Postv...

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Autores principales: Sarah A. Imam, MD, Wilson P. Lao, BS, Priyanka Reddy, BS, Shaun A. Nguyen, MD, FAPCR, Rodney J. Schlosser, MD
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Publicado: KeAi Communications Co., Ltd. 2020
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Acceso en línea:https://doaj.org/article/b277b6f2cadc44b09394921565bba665
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spelling oai:doaj.org-article:b277b6f2cadc44b09394921565bba6652021-12-02T14:23:47ZIs SARS-CoV-2 (COVID-19) postviral olfactory dysfunction (PVOD) different from other PVOD?2095-881110.1016/j.wjorl.2020.05.004https://doaj.org/article/b277b6f2cadc44b09394921565bba6652020-11-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S2095881120300640https://doaj.org/toc/2095-8811Background: The SARS-CoV-2 virus continues to spread rapidly across the globe afflicting many with Coronavirus Disease 2019 (COVID-19). As the infection rates rise, a growing number of SARS-CoV-2 positive individuals have been reported to complain of olfactory disturbances at an alarming rate. Postviral olfactory dysfunction (PVOD) is a well-known phenomenon that may explain the olfactory dysfunction reported by SARS-CoV-2 infected individuals. Methods: A scoping literature review was performed to identify studies that investigated the mechanisms of postviral olfactory dysfunction. Studies demonstrating pathophysiological, histological, immunochemical, and epidemiological outcomes of PVOD were included. Results: Fourteen studies were included in addition to one international news article. Three studies reported destruction of the olfactory epithelium following intranasal inoculation of various viral strains in mice. Three studies isolated pathogenic, anosmia inciting viruses (Parainfluenza virus, Human Coronavirus, Rhinovirus) through nucleic acid amplification. Eleven studies demonstrated female predilection in patients with PVOD and COVID-19 associated olfactory dysfunction, of which the majority were over 50 years old. Conclusions: PVOD and COVID-19 associated olfactory dysfunction demonstrates considerable similarities in epidemiological trends and disease sequela of other viruses to suggest identical pathophysiological mechanisms. Further studies such as intranasal inoculation and histological biopsies are needed to support our hypothesis.Sarah A. Imam, MDWilson P. Lao, BSPriyanka Reddy, BSShaun A. Nguyen, MD, FAPCRRodney J. Schlosser, MDKeAi Communications Co., Ltd.articleOlfactionOlfactory disordersUPSITSARS-CoV-2 (COVID-19)Postviral olfactory dysfunctionOtorhinolaryngologyRF1-547SurgeryRD1-811ENWorld Journal of Otorhinolaryngology-Head and Neck Surgery, Vol 6, Iss , Pp S26-S32 (2020)
institution DOAJ
collection DOAJ
language EN
topic Olfaction
Olfactory disorders
UPSIT
SARS-CoV-2 (COVID-19)
Postviral olfactory dysfunction
Otorhinolaryngology
RF1-547
Surgery
RD1-811
spellingShingle Olfaction
Olfactory disorders
UPSIT
SARS-CoV-2 (COVID-19)
Postviral olfactory dysfunction
Otorhinolaryngology
RF1-547
Surgery
RD1-811
Sarah A. Imam, MD
Wilson P. Lao, BS
Priyanka Reddy, BS
Shaun A. Nguyen, MD, FAPCR
Rodney J. Schlosser, MD
Is SARS-CoV-2 (COVID-19) postviral olfactory dysfunction (PVOD) different from other PVOD?
description Background: The SARS-CoV-2 virus continues to spread rapidly across the globe afflicting many with Coronavirus Disease 2019 (COVID-19). As the infection rates rise, a growing number of SARS-CoV-2 positive individuals have been reported to complain of olfactory disturbances at an alarming rate. Postviral olfactory dysfunction (PVOD) is a well-known phenomenon that may explain the olfactory dysfunction reported by SARS-CoV-2 infected individuals. Methods: A scoping literature review was performed to identify studies that investigated the mechanisms of postviral olfactory dysfunction. Studies demonstrating pathophysiological, histological, immunochemical, and epidemiological outcomes of PVOD were included. Results: Fourteen studies were included in addition to one international news article. Three studies reported destruction of the olfactory epithelium following intranasal inoculation of various viral strains in mice. Three studies isolated pathogenic, anosmia inciting viruses (Parainfluenza virus, Human Coronavirus, Rhinovirus) through nucleic acid amplification. Eleven studies demonstrated female predilection in patients with PVOD and COVID-19 associated olfactory dysfunction, of which the majority were over 50 years old. Conclusions: PVOD and COVID-19 associated olfactory dysfunction demonstrates considerable similarities in epidemiological trends and disease sequela of other viruses to suggest identical pathophysiological mechanisms. Further studies such as intranasal inoculation and histological biopsies are needed to support our hypothesis.
format article
author Sarah A. Imam, MD
Wilson P. Lao, BS
Priyanka Reddy, BS
Shaun A. Nguyen, MD, FAPCR
Rodney J. Schlosser, MD
author_facet Sarah A. Imam, MD
Wilson P. Lao, BS
Priyanka Reddy, BS
Shaun A. Nguyen, MD, FAPCR
Rodney J. Schlosser, MD
author_sort Sarah A. Imam, MD
title Is SARS-CoV-2 (COVID-19) postviral olfactory dysfunction (PVOD) different from other PVOD?
title_short Is SARS-CoV-2 (COVID-19) postviral olfactory dysfunction (PVOD) different from other PVOD?
title_full Is SARS-CoV-2 (COVID-19) postviral olfactory dysfunction (PVOD) different from other PVOD?
title_fullStr Is SARS-CoV-2 (COVID-19) postviral olfactory dysfunction (PVOD) different from other PVOD?
title_full_unstemmed Is SARS-CoV-2 (COVID-19) postviral olfactory dysfunction (PVOD) different from other PVOD?
title_sort is sars-cov-2 (covid-19) postviral olfactory dysfunction (pvod) different from other pvod?
publisher KeAi Communications Co., Ltd.
publishDate 2020
url https://doaj.org/article/b277b6f2cadc44b09394921565bba665
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