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Ferdenzi C, Bousquet C, Aguera PE, Dantec M, Daudé C, Fornoni L, Fournel A, Kassan A, Mantel M, Moranges M, Moussy E, Richard Ortegón S, Rouby C, Bensafi M. Recovery From COVID-19-Related Olfactory Disorders and Quality of Life: Insights From an Observational Online Study. Chem Senses 2021; 46:6294641. [PMID: 34097726 DOI: 10.1093/chemse/bjab028] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023] Open
Abstract
Although olfactory disorders (OD) are among the most significant symptoms of COVID-19, recovery time from COVID-19-related OD and their consequences on the quality of life remain poorly documented. We investigated the characteristics and behavioral consequences of COVID-19-related OD using a large-scale study involving 3111 French respondents (78% women) to an online questionnaire over a period of 9 months covering different epidemic waves (from 8 April 2020 to 13 January 2021). In the patients who subjectively recovered from COVID-19-related OD (N = 609), recovery occurred on average after 16 days and most of the time within 1 month ("normal" recovery range); 49 subjectively recovered in 1-2.5 months, and several cases took up to 6.5 months. Among the patients with ongoing OD (N = 2502), 974 were outside the "normal" recovery range (persistent OD) and reported OD for 1-10 months. Developing a persistent OD was more likely with increasing age and in women and was more often associated with parosmia and phantosmia. The deleterious impact of COVID-19-related OD on the quality of life was significantly aggravated by OD duration and was more pronounced in women. Because persistent OD is not infrequent after COVID-19, has deleterious consequences on the quality of life, and receives few solutions from the health practitioners, it would be beneficial to implement screening and treatment programs to minimize the long-term behavioral consequences of COVID-19-related OD.
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Affiliation(s)
- Camille Ferdenzi
- Lyon Neuroscience Research Center, CNRS UMR5292, INSERM U1028, University Claude Bernard Lyon 1, CH Le Vinatier, Bât. 462 Neurocampus, 95 boulevard Pinel, 69675 Bron Cedex, France
| | - Christophe Bousquet
- Lyon Neuroscience Research Center, CNRS UMR5292, INSERM U1028, University Claude Bernard Lyon 1, CH Le Vinatier, Bât. 462 Neurocampus, 95 boulevard Pinel, 69675 Bron Cedex, France
| | - Pierre-Emmanuel Aguera
- Lyon Neuroscience Research Center, CNRS UMR5292, INSERM U1028, University Claude Bernard Lyon 1, CH Le Vinatier, Bât. 462 Neurocampus, 95 boulevard Pinel, 69675 Bron Cedex, France
| | - Morgane Dantec
- Lyon Neuroscience Research Center, CNRS UMR5292, INSERM U1028, University Claude Bernard Lyon 1, CH Le Vinatier, Bât. 462 Neurocampus, 95 boulevard Pinel, 69675 Bron Cedex, France
| | - Christelle Daudé
- Lyon Neuroscience Research Center, CNRS UMR5292, INSERM U1028, University Claude Bernard Lyon 1, CH Le Vinatier, Bât. 462 Neurocampus, 95 boulevard Pinel, 69675 Bron Cedex, France
| | - Lesly Fornoni
- Lyon Neuroscience Research Center, CNRS UMR5292, INSERM U1028, University Claude Bernard Lyon 1, CH Le Vinatier, Bât. 462 Neurocampus, 95 boulevard Pinel, 69675 Bron Cedex, France
| | - Arnaud Fournel
- Lyon Neuroscience Research Center, CNRS UMR5292, INSERM U1028, University Claude Bernard Lyon 1, CH Le Vinatier, Bât. 462 Neurocampus, 95 boulevard Pinel, 69675 Bron Cedex, France
| | - Aurélien Kassan
- Lyon Neuroscience Research Center, CNRS UMR5292, INSERM U1028, University Claude Bernard Lyon 1, CH Le Vinatier, Bât. 462 Neurocampus, 95 boulevard Pinel, 69675 Bron Cedex, France
| | - Marylou Mantel
- Lyon Neuroscience Research Center, CNRS UMR5292, INSERM U1028, University Claude Bernard Lyon 1, CH Le Vinatier, Bât. 462 Neurocampus, 95 boulevard Pinel, 69675 Bron Cedex, France
| | - Maëlle Moranges
- Lyon Neuroscience Research Center, CNRS UMR5292, INSERM U1028, University Claude Bernard Lyon 1, CH Le Vinatier, Bât. 462 Neurocampus, 95 boulevard Pinel, 69675 Bron Cedex, France
| | - Erwan Moussy
- Lyon Neuroscience Research Center, CNRS UMR5292, INSERM U1028, University Claude Bernard Lyon 1, CH Le Vinatier, Bât. 462 Neurocampus, 95 boulevard Pinel, 69675 Bron Cedex, France
| | - Stéphane Richard Ortegón
- Lyon Neuroscience Research Center, CNRS UMR5292, INSERM U1028, University Claude Bernard Lyon 1, CH Le Vinatier, Bât. 462 Neurocampus, 95 boulevard Pinel, 69675 Bron Cedex, France
| | - Catherine Rouby
- Lyon Neuroscience Research Center, CNRS UMR5292, INSERM U1028, University Claude Bernard Lyon 1, CH Le Vinatier, Bât. 462 Neurocampus, 95 boulevard Pinel, 69675 Bron Cedex, France
| | - Moustafa Bensafi
- Lyon Neuroscience Research Center, CNRS UMR5292, INSERM U1028, University Claude Bernard Lyon 1, CH Le Vinatier, Bât. 462 Neurocampus, 95 boulevard Pinel, 69675 Bron Cedex, France
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Pierron D, Pereda-Loth V, Mantel M, Moranges M, Bignon E, Alva O, Kabous J, Heiske M, Pacalon J, David R, Dinnella C, Spinelli S, Monteleone E, Farruggia MC, Cooper KW, Sell EA, Thomas-Danguin T, Bakke AJ, Parma V, Hayes JE, Letellier T, Ferdenzi C, Golebiowski J, Bensafi M. Smell and taste changes are early indicators of the COVID-19 pandemic and political decision effectiveness. Nat Commun 2020; 11:5152. [PMID: 33056983 PMCID: PMC7560893 DOI: 10.1038/s41467-020-18963-y] [Citation(s) in RCA: 55] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2020] [Accepted: 09/14/2020] [Indexed: 12/30/2022] Open
Abstract
In response to the COVID-19 pandemic, many governments have taken drastic measures to avoid an overflow of intensive care units. Accurate metrics of disease spread are critical for the reopening strategies. Here, we show that self-reports of smell/taste changes are more closely associated with hospital overload and are earlier markers of the spread of infection of SARS-CoV-2 than current governmental indicators. We also report a decrease in self-reports of new onset smell/taste changes as early as 5 days after lockdown enforcement. Cross-country comparisons demonstrate that countries that adopted the most stringent lockdown measures had faster declines in new reports of smell/taste changes following lockdown than a country that adopted less stringent lockdown measures. We propose that an increase in the incidence of sudden smell and taste change in the general population may be used as an indicator of COVID-19 spread in the population.
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Affiliation(s)
- Denis Pierron
- Équipe de Médecine Evolutive Faculté de chirurgie dentaire; UMR5288; CNRS/Université Paul-Sabiater Toulouse III, Toulouse, 31400, France.
| | - Veronica Pereda-Loth
- Équipe de Médecine Evolutive Faculté de chirurgie dentaire; UMR5288; CNRS/Université Paul-Sabiater Toulouse III, Toulouse, 31400, France
| | - Marylou Mantel
- Lyon Neuroscience Research Center, CNRS UMR5292, INSERM U1028, University Claude Bernard Lyon 1, Bron, France
| | - Maëlle Moranges
- Lyon Neuroscience Research Center, CNRS UMR5292, INSERM U1028, University Claude Bernard Lyon 1, Bron, France
| | - Emmanuelle Bignon
- Université Côte d'Azur, CNRS, Institut de Chimie de Nice UMR7272, Nice, France
| | - Omar Alva
- Équipe de Médecine Evolutive Faculté de chirurgie dentaire; UMR5288; CNRS/Université Paul-Sabiater Toulouse III, Toulouse, 31400, France
| | - Julie Kabous
- Équipe de Médecine Evolutive Faculté de chirurgie dentaire; UMR5288; CNRS/Université Paul-Sabiater Toulouse III, Toulouse, 31400, France
| | - Margit Heiske
- Équipe de Médecine Evolutive Faculté de chirurgie dentaire; UMR5288; CNRS/Université Paul-Sabiater Toulouse III, Toulouse, 31400, France
| | - Jody Pacalon
- Université Côte d'Azur, CNRS, Institut de Chimie de Nice UMR7272, Nice, France
| | - Renaud David
- Université Côte d'Azur, CHU de Nice, Nice Memory Clinic, Nice, France
| | | | | | | | - Michael C Farruggia
- Interdepartmental Neuroscience Program, Yale University, 333 Cedar Street, New Haven, CT, 06520, USA
| | - Keiland W Cooper
- Department of Neurobiology and Behavior, University of California, Irvine, CA, 92697, USA
| | - Elizabeth A Sell
- Perelman School of Medicine, University of Pennsylvania, 3400 Civic Center Blvd, Philadelphia, PA, 19104, USA
| | - Thierry Thomas-Danguin
- Centre des Sciences du Goût et de l'Alimentation, INRAE, CNRS, AgroSup-Dijon, University Bourgogne Franche-Comté, Dijon, France
| | - Alyssa J Bakke
- The Pennsylvania State University, Philadelphia, PA, 19104, USA
| | | | - John E Hayes
- The Pennsylvania State University, Philadelphia, PA, 19104, USA
| | - Thierry Letellier
- Équipe de Médecine Evolutive Faculté de chirurgie dentaire; UMR5288; CNRS/Université Paul-Sabiater Toulouse III, Toulouse, 31400, France
| | - Camille Ferdenzi
- Lyon Neuroscience Research Center, CNRS UMR5292, INSERM U1028, University Claude Bernard Lyon 1, Bron, France
| | - Jérôme Golebiowski
- Université Côte d'Azur, CNRS, Institut de Chimie de Nice UMR7272, Nice, France.
- Department of Brain and Cognitive Sciences, Daegu Gyeongbuk Institute of Science and Technology, Daegu, 711-873, South Korea.
| | - Moustafa Bensafi
- Lyon Neuroscience Research Center, CNRS UMR5292, INSERM U1028, University Claude Bernard Lyon 1, Bron, France.
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