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Singh T, Rao Padubidri J, Shetty PH, Antony Manoj M, Mary T, Thejaswi Pallempati B. The top 50 most-cited articles about COVID-19 and the complications of COVID-19: A bibliometric analysis. F1000Res 2024; 13:105. [PMID: 39149509 PMCID: PMC11325134 DOI: 10.12688/f1000research.145713.3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 04/30/2024] [Indexed: 08/17/2024] Open
Abstract
Background This bibliometric analysis examines the top 50 most-cited articles on COVID-19 complications, offering insights into the multifaceted impact of the virus. Since its emergence in Wuhan in December 2019, COVID-19 has evolved into a global health crisis, with over 770 million confirmed cases and 6.9 million deaths as of September 2023. Initially recognized as a respiratory illness causing pneumonia and ARDS, its diverse complications extend to cardiovascular, gastrointestinal, renal, hematological, neurological, endocrinological, ophthalmological, hepatobiliary, and dermatological systems. Methods Identifying the top 50 articles from a pool of 5940 in Scopus, the analysis spans November 2019 to July 2021, employing terms related to COVID-19 and complications. Rigorous review criteria excluded non-relevant studies, basic science research, and animal models. The authors independently reviewed articles, considering factors like title, citations, publication year, journal, impact factor, authors, study details, and patient demographics. Results The focus is primarily on 2020 publications (96%), with all articles being open access. Leading journals include The Lancet, NEJM, and JAMA, with prominent contributions from Internal Medicine (46.9%) and Pulmonary Medicine (14.5%). China played a major role (34.9%), followed by France and Belgium. Clinical features were the primary study topic (68%), often utilizing retrospective designs (24%). Among 22,477 patients analyzed, 54.8% were male, with the most common age group being 26-65 years (63.2%). Complications of COVID-19 affected 13.9% of patients, with a recovery rate of 57.8%. Conclusion Analyzing these top-cited articles offers clinicians and researchers a comprehensive, timely understanding of influential COVID-19 literature. This approach uncovers attributes contributing to high citations and provides authors with valuable insights for crafting impactful research. As a strategic tool, this analysis facilitates staying updated and making meaningful contributions to the dynamic field of COVID-19 research.
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Affiliation(s)
- Tanya Singh
- Kasturba Medical College Mangalore, Manipal Academy of Higher Education, Manipal, India
| | - Jagadish Rao Padubidri
- Department of Forensic Medicine and Toxicology, Kasturba Medical College Mangalore, Manipal Academy of Higher Education, Manipal, India
| | - Pavanchand H Shetty
- Department of Forensic Medicine and Toxicology, Kasturba Medical College Mangalore, Manipal Academy of Higher Education, Manipal, India
| | - Matthew Antony Manoj
- Kasturba Medical College Mangalore, Manipal Academy of Higher Education, Manipal, India
| | - Therese Mary
- Kasturba Medical College Mangalore, Manipal Academy of Higher Education, Manipal, India
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Xie L, Luo G, Yang Z, Wu WC, Chen J, Ren Y, Zeng Z, Ye G, Pan Y, Zhao WJ, Chen YQ, Hou W, Sun Y, Guo D, Yang Z, Li J, Holmes EC, Li Y, Chen L, Shi M. The clinical outcome of COVID-19 is strongly associated with microbiome dynamics in the upper respiratory tract. J Infect 2024; 88:106118. [PMID: 38342382 DOI: 10.1016/j.jinf.2024.01.017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2023] [Revised: 01/24/2024] [Accepted: 01/30/2024] [Indexed: 02/13/2024]
Abstract
OBJECTIVES The respiratory tract is the portal of entry for the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). Although a variety of respiratory pathogens other than SARS-CoV-2 have been associated with severe cases of COVID-19 disease, the dynamics of the upper respiratory microbiota during disease the course of disease, and how they impact disease manifestation, remain uncertain. METHODS We collected 349 longitudinal upper respiratory samples from a cohort of 65 COVID-19 patients (cohort 1), 28 samples from 28 recovered COVID-19 patients (cohort 2), and 59 samples from 59 healthy controls (cohort 3). All COVID-19 patients originated from the earliest stage of the epidemic in Wuhan. Based on a modified clinical scale, the disease course was divided into five clinical disease phases (pseudotimes): "Healthy" (pseudotime 0), "Incremental" (pseudotime 1), "Critical" (pseudotime 2), "Complicated" (pseudotime 3), "Convalescent" (pseudotime 4), and "Long-term follow-up" (pseudotime 5). Using meta-transcriptomics, we investigated the features and dynamics of transcriptionally active microbes in the upper respiratory tract (URT) over the course of COVID-19 disease, as well as its association with disease progression and clinical outcomes. RESULTS Our results revealed that the URT microbiome exhibits substantial heterogeneity during disease course. Two clusters of microbial communities characterized by low alpha diversity and enrichment for multiple pathogens or potential pathobionts (including Acinetobacter and Candida) were associated with disease progression and a worse clinical outcome. We also identified a series of microbial indicators that classified disease progression into more severe stages. Longitudinal analysis revealed that although the microbiome exhibited complex and changing patterns during COVID-19, a restoration of URT microbiomes from early dysbiosis toward more diverse status in later disease stages was observed in most patients. In addition, a group of potential pathobionts were strongly associated with the concentration of inflammatory indicators and mortality. CONCLUSION This study revealed strong links between URT microbiome dynamics and disease progression and clinical outcomes in COVID-19, implying that the treatment of severe disease should consider the full spectrum of microbial pathogens present.
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Affiliation(s)
- Linlin Xie
- Wuhan Research Center for Infectious Diseases and Tumors of the Chinese Academy of Medical Sciences/Hubei Engineering Center for Infectious Disease Prevention, Control and Treatment/Department of Laboratory Medicine, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Gengyan Luo
- State key laboratory for biocontrol, Shenzhen Key Laboratory of Systems Medicine for inflammatory diseases, School of Medicine, Shenzhen campus of Sun Yat-sen University, Sun Yat-sen University, Shenzhen, China
| | - Zhongzhou Yang
- State key laboratory for biocontrol, Shenzhen Key Laboratory of Systems Medicine for inflammatory diseases, School of Medicine, Shenzhen campus of Sun Yat-sen University, Sun Yat-sen University, Shenzhen, China
| | - Wei-Chen Wu
- State key laboratory for biocontrol, Shenzhen Key Laboratory of Systems Medicine for inflammatory diseases, School of Medicine, Shenzhen campus of Sun Yat-sen University, Sun Yat-sen University, Shenzhen, China
| | - Jintao Chen
- State Key Laboratory of Virology/Department of Laboratory Medicine/Hubei Province Key Laboratory of Allergy and Immunology, School of Basic Medical Sciences/Zhongnan Hospital, Wuhan University, Wuhan, China
| | - Yuting Ren
- State Key Laboratory of Virology/Department of Laboratory Medicine/Hubei Province Key Laboratory of Allergy and Immunology, School of Basic Medical Sciences/Zhongnan Hospital, Wuhan University, Wuhan, China
| | - Zhikun Zeng
- Wuhan Research Center for Infectious Diseases and Tumors of the Chinese Academy of Medical Sciences/Hubei Engineering Center for Infectious Disease Prevention, Control and Treatment/Department of Laboratory Medicine, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Guangming Ye
- Wuhan Research Center for Infectious Diseases and Tumors of the Chinese Academy of Medical Sciences/Hubei Engineering Center for Infectious Disease Prevention, Control and Treatment/Department of Laboratory Medicine, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Yunbao Pan
- Wuhan Research Center for Infectious Diseases and Tumors of the Chinese Academy of Medical Sciences/Hubei Engineering Center for Infectious Disease Prevention, Control and Treatment/Department of Laboratory Medicine, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Wen-Jing Zhao
- State key laboratory for biocontrol, Shenzhen Key Laboratory of Systems Medicine for inflammatory diseases, School of Medicine, Shenzhen campus of Sun Yat-sen University, Sun Yat-sen University, Shenzhen, China
| | - Yao-Qing Chen
- School of Public Health (Shenzhen), Shenzhen campus of Sun Yat-sen University, Sun Yat-sen University, Shenzhen, China
| | - Wei Hou
- State Key Laboratory of Virology/Department of Laboratory Medicine/Hubei Province Key Laboratory of Allergy and Immunology, School of Basic Medical Sciences/Zhongnan Hospital, Wuhan University, Wuhan, China
| | - Yanni Sun
- Department of Electrical Engineering, City University of Hong Kong, Hong Kong, China
| | - Deying Guo
- State key laboratory for biocontrol, Shenzhen Key Laboratory of Systems Medicine for inflammatory diseases, School of Medicine, Shenzhen campus of Sun Yat-sen University, Sun Yat-sen University, Shenzhen, China
| | - Zifeng Yang
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, National Center for Respiratory Medicine, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Jun Li
- Department of Infectious Diseases and Public Health, Jockey Club College of Veterinary Medicine and Life Sciences, City University of Hong Kong, Hong Kong, China
| | - Edward C Holmes
- Sydney Institute for Infectious Diseases, School of Medical Sciences, The University of Sydney, Sydney, Australia
| | - Yirong Li
- Wuhan Research Center for Infectious Diseases and Tumors of the Chinese Academy of Medical Sciences/Hubei Engineering Center for Infectious Disease Prevention, Control and Treatment/Department of Laboratory Medicine, Zhongnan Hospital of Wuhan University, Wuhan, China.
| | - Liangjun Chen
- Wuhan Research Center for Infectious Diseases and Tumors of the Chinese Academy of Medical Sciences/Hubei Engineering Center for Infectious Disease Prevention, Control and Treatment/Department of Laboratory Medicine, Zhongnan Hospital of Wuhan University, Wuhan, China.
| | - Mang Shi
- State key laboratory for biocontrol, Shenzhen Key Laboratory of Systems Medicine for inflammatory diseases, School of Medicine, Shenzhen campus of Sun Yat-sen University, Sun Yat-sen University, Shenzhen, China.
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Srikantaiah VC, Bilimale AS, Doddawad VG, Marulaiah SK, Gowdappa HB, Shankaregowda R, Madhu B, Thotambailu AM, Achar RR. Evaluation of taste score and fungiform papillae quantification using digital image analysis in COVID-19 patients with smell and taste dysfunction. Dent Res J (Isfahan) 2024; 21:11. [PMID: 38476719 PMCID: PMC10929720] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2023] [Revised: 12/12/2023] [Accepted: 12/25/2023] [Indexed: 03/14/2024] Open
Abstract
Background The COVID-19 pandemic which is caused by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has created a major global health crisis in recent years. Despite this, there have been few studies that have utilized reliable methods to assess changes in taste and smell perception. Therefore, our study aims at the number of fungiform papillae and objective measures of taste perception relationship among COVID-19 patients with olfactory and gustatory disorders. Materials and Methods This was a cross-sectional analytical study in which 57 COVID-19 patients were recruited who confirmed the dysfunction of taste and smell. Objective assessment of the sense of taste was evaluated using four different standardized solution preparations, and the scores were given according to the patient's statements. Digitalized quantification of fungiform papillae was counted. The data were analyzed with the Pearson's correlation coefficient using the SPSS version. 23 [Licensed JSSAHER, Mysuru, Karnataka, India], and the level of significance was set at <0.001. Results In terms of altered or reduced taste and smell, male patients exhibited a higher incidence compared to females. Compared to the sour taste, a substantial number of COVID-19 patients have displayed a notable decrease in their ability to taste sweet, salty, and bitter flavors. However, a statistically significant positive correlation was observed between taste scores and fungiform papillae density (r = 0.518, P < 0.001). Conclusion Our Study demonstrated that the quantitative evaluation of taste perception and the count of fungiform papillae can serve as important indicators of SARS-CoV-2 infection, and could potentially help in the early detection and treatment of COVID-19 patients, as reduced taste function is a significant marker of the disease.
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Affiliation(s)
- Vidya Chikkarahalli Srikantaiah
- Department of Anatomy, School of Public Health, JSS Medical College (A Constituent College of JSS Academy of Higher Education and Research), Mysore, Karnataka, India
| | - Anil Somashekara Bilimale
- Chief MPH Program Co-ordinator, School of Public Health, JSS Medical College (A Constituent College of JSS Academy of Higher Education and Research), Mysore, Karnataka, India
| | - Vidya Gowdappa Doddawad
- Department of Oral Pathology and Microbiology, JSS Dental College and Hospital (A Constituent College of JSS Academy of Higher Education and Research), Mysore, Karnataka, India
| | - Srinath Kenkere Marulaiah
- Department of Medicine, School of Public Health, JSS Medical College (A Constituent College of JSS Academy of Higher Education and Research), Mysore, Karnataka, India
| | - Hathur Basavana Gowdappa
- Department of Medicine, School of Public Health, JSS Medical College (A Constituent College of JSS Academy of Higher Education and Research), Mysore, Karnataka, India
| | - Ranjitha Shankaregowda
- Department of Microbiology, School of Public Health, JSS Medical College (A Constituent College of JSS Academy of Higher Education and Research), Mysore, Karnataka, India
| | - Basavegowda Madhu
- Department of Community Medicine, School of Public Health, JSS Medical College (A Constituent College of JSS Academy of Higher Education and Research), Mysore, Karnataka, India
| | - Amulya Manohar Thotambailu
- Department of Otorhinolaryngology, School of Public Health, JSS Medical College (A Constituent College of JSS Academy of Higher Education and Research), Mysore, Karnataka, India
| | - Raghu Ram Achar
- Division of Biochemistry, School of Life Sciences (A Constituent College of JSS Academy of Higher Education and Research), Mysore, Karnataka, India
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Shimizu S, Nakayama M, Nguyen CT, Ishigaki H, Kitagawa Y, Yasui F, Yagi Y, Kusayanagi T, Kohara M, Itoh Y, Tojima I, Kouzaki H, Shimizu T. SARS-CoV-2 induces inflammation and intracranial infection through the olfactory epithelium-olfactory bulb pathway in non-human primates. J Neuroimmunol 2024; 387:578288. [PMID: 38237527 DOI: 10.1016/j.jneuroim.2024.578288] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2023] [Revised: 12/17/2023] [Accepted: 01/06/2024] [Indexed: 02/12/2024]
Abstract
We examined the histopathological changes in the olfactory mucosa of cynomolgus and rhesus macaque models of SARS-CoV-2 infection. SARS-CoV-2 infection induced severe inflammatory changes in the olfactory mucosa. A major histocompatibility complex (MHC) class II molecule, HLA-DR was expressed in macrophage and supporting cells, and melanocytes were increased in olfactory mucosa. Supporting cells and olfactory neurons were infected, and SARS-CoV-2 N protein was detected in the axons of olfactory neurons and in olfactory bulbs. Viral RNA was detected in olfactory bulbs and brain tissues. The olfactory epithelium-olfactory bulb pathway may be important as a route for intracranial infection by SARS-CoV-2.
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Affiliation(s)
- Shino Shimizu
- Department of Otorhinolaryngology-Head and Neck Surgery, Shiga University of Medical Science, Otsu, Shiga, Japan.
| | - Misako Nakayama
- Division of Pathogenesis and Disease Regulation, Department of Pathology, Shiga University of Medical Science, Otsu, Japan
| | - Cong Thanh Nguyen
- Division of Pathogenesis and Disease Regulation, Department of Pathology, Shiga University of Medical Science, Otsu, Japan
| | - Hirohito Ishigaki
- Division of Pathogenesis and Disease Regulation, Department of Pathology, Shiga University of Medical Science, Otsu, Japan
| | - Yoshinori Kitagawa
- Division of Microbiology and Infectious Disease, Department of Pathology, Shiga University of Medical Science, Otsu, Japan
| | - Fumihiko Yasui
- Department of Microbiology and Cell Biology, Tokyo Metropolitan Institute of Medical Science, Tokyo, Japan
| | | | | | - Michinori Kohara
- Department of Microbiology and Cell Biology, Tokyo Metropolitan Institute of Medical Science, Tokyo, Japan
| | - Yasushi Itoh
- Division of Pathogenesis and Disease Regulation, Department of Pathology, Shiga University of Medical Science, Otsu, Japan
| | - Ichiro Tojima
- Department of Otorhinolaryngology-Head and Neck Surgery, Shiga University of Medical Science, Otsu, Shiga, Japan
| | - Hideaki Kouzaki
- Department of Otorhinolaryngology-Head and Neck Surgery, Shiga University of Medical Science, Otsu, Shiga, Japan
| | - Takeshi Shimizu
- Department of Otorhinolaryngology-Head and Neck Surgery, Shiga University of Medical Science, Otsu, Shiga, Japan
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Akhlaghi A, Darabi A, Mahmoodi M, Movahed A, Kaboodkhani R, Mohammadi Z, Goreh A, Farrokhi S. The Frequency and Clinical Assessment of COVID-19 in Patients With Chronic Rhinosinusitis. EAR, NOSE & THROAT JOURNAL 2024; 103:NP98-NP103. [PMID: 34414811 DOI: 10.1177/01455613211038070] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
BACKGROUND Chronic rhinosinusitis (CRS), as an inflammatory airway disease, could be a risk factor for COVID-19 patients. This study aimed to investigate the frequency and severity of symptoms of COVID-19 in patients with CRS and to assess the association between the status of CRS symptoms and the quality of life (QoL) of the patients. METHODS In this observational and cross-sectional study, 207 adult CRS patients participated. The patients, who presented the symptoms of COVID-19, were examined by taking the reverse transcription-polymerase chain reaction test. A questionnaire was completed by each patient, regarding their demographic and clinical data. In addition, the GA2LEN and Sino-Nasal Outcome Test (SNOT-22) standard questionnaires were used to identify the comorbid allergic condition and QoL of CRS patients. RESULTS The frequency of patients with COVID-19 was 25 (12.1%) of which 22 were treated as outpatients, 2 of them admitted in wards and 1 at intensive care unit. The severity of hyposmia in the patients was 2 (8%) as mild, 5 (20%) moderate, and 11 (72%) as anosmia. The most common allergic and underlying comorbid diseases were allergic rhinitis (88%) and thyroid disorders (28%). Further, the average SNOT-22 score in 4 SNOT-22 domains (nasal, otologic, sleep, and emotional symptoms) was significantly decreased in CRS patients after a period of one year since the pandemic started (40.1 ± 18.0 vs. 46.3 ± 17.7; P < .0001). DISCUSSION This study showed a low frequency of COVID-19 in patients with CRS and about the same rate of infection positivity in the general population; therefore, we concluded that CRS could not be considered as a risk factor for COVID-19. Interestingly, the lower average score of SNOT-22 after one year of the pandemic in the patients with CRS confirmed the necessity for performing the standard health protocols by the patients.
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Affiliation(s)
- Allahkarm Akhlaghi
- Department of Otorhinolaryngology-Head and Neck Surgery, The Persian Gulf Tropical Medicine Research Center, The Persian Gulf Biomedical Sciences Research Institute, Bushehr University of Medical Sciences, Bushehr, Iran
| | - Amirhossein Darabi
- Department of Epidemiology, The Persian Gulf Tropical Medicine Research Center, The Persian Gulf Biomedical Research Institute, Bushehr University of Medical Sciences, Bushehr, Iran
| | - Marzieh Mahmoodi
- Department of Biostatistics and Epidemiology, School of Health and Nutrition, Bushehr University of Medical Sciences, Bushehr, Iran
| | - Ali Movahed
- Department of Biochemistry, Faculty of Medicine, Bushehr University of Medical Sciences, Bushehr, Iran
| | - Reza Kaboodkhani
- Department of Otorhinolaryngology-Head and Neck Surgery, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Zahra Mohammadi
- Department of Immunology and Allergy, The Persian Gulf Tropical Medicine Research Center, The Persian Gulf Biomedical Research Institute, Bushehr University of Medical Sciences, Bushehr, Iran
| | - Amir Goreh
- Department of Immunology and Allergy, The Persian Gulf Tropical Medicine Research Center, The Persian Gulf Biomedical Research Institute, Bushehr University of Medical Sciences, Bushehr, Iran
| | - Shokrollah Farrokhi
- Department of Immunology and Allergy, The Persian Gulf Tropical Medicine Research Center, The Persian Gulf Biomedical Research Institute, Bushehr University of Medical Sciences, Bushehr, Iran
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Huang L, Hardyman F, Edwards M, Galliano E. Deprivation-Induced Plasticity in the Early Central Circuits of the Rodent Visual, Auditory, and Olfactory Systems. eNeuro 2024; 11:ENEURO.0435-23.2023. [PMID: 38195533 PMCID: PMC11059429 DOI: 10.1523/eneuro.0435-23.2023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2023] [Revised: 12/07/2023] [Accepted: 12/12/2023] [Indexed: 01/11/2024] Open
Abstract
Activity-dependent neuronal plasticity is crucial for animals to adapt to dynamic sensory environments. Traditionally, it has been investigated using deprivation approaches in animal models primarily in sensory cortices. Nevertheless, emerging evidence emphasizes its significance in sensory organs and in subcortical regions where cranial nerves relay information to the brain. Additionally, critical questions started to arise. Do different sensory modalities share common cellular mechanisms for deprivation-induced plasticity at these central entry points? Does the deprivation duration correlate with specific plasticity mechanisms? This study systematically reviews and meta-analyzes research papers that investigated visual, auditory, or olfactory deprivation in rodents of both sexes. It examines the consequences of sensory deprivation in homologous regions at the first central synapse following cranial nerve transmission (vision - lateral geniculate nucleus and superior colliculus; audition - ventral and dorsal cochlear nucleus; olfaction - olfactory bulb). The systematic search yielded 91 papers (39 vision, 22 audition, 30 olfaction), revealing substantial heterogeneity in publication trends, experimental methods, measures of plasticity, and reporting across the sensory modalities. Despite these differences, commonalities emerged when correlating plasticity mechanisms with the duration of sensory deprivation. Short-term deprivation (up to 1 d) reduced activity and increased disinhibition, medium-term deprivation (1 d to a week) involved glial changes and synaptic remodeling, and long-term deprivation (over a week) primarily led to structural alterations. These findings underscore the importance of standardizing methodologies and reporting practices. Additionally, they highlight the value of cross-modal synthesis for understanding how the nervous system, including peripheral, precortical, and cortical areas, respond to and compensate for sensory inputs loss.
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Affiliation(s)
- Li Huang
- Department of Physiology, Development and Neuroscience, University of Cambridge, CB23EL Cambridge, United Kingdom
| | - Francesca Hardyman
- Department of Physiology, Development and Neuroscience, University of Cambridge, CB23EL Cambridge, United Kingdom
| | - Megan Edwards
- Department of Physiology, Development and Neuroscience, University of Cambridge, CB23EL Cambridge, United Kingdom
| | - Elisa Galliano
- Department of Physiology, Development and Neuroscience, University of Cambridge, CB23EL Cambridge, United Kingdom
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Rufino J, Ramírez JM, Aguilar J, Baquero C, Champati J, Frey D, Lillo RE, Fernández-Anta A. Performance and explainability of feature selection-boosted tree-based classifiers for COVID-19 detection. Heliyon 2024; 10:e23219. [PMID: 38170121 PMCID: PMC10758803 DOI: 10.1016/j.heliyon.2023.e23219] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2023] [Revised: 10/18/2023] [Accepted: 11/29/2023] [Indexed: 01/05/2024] Open
Abstract
In this paper, we evaluate the performance and analyze the explainability of machine learning models boosted by feature selection in predicting COVID-19-positive cases from self-reported information. In essence, this work describes a methodology to identify COVID-19 infections that considers the large amount of information collected by the University of Maryland Global COVID-19 Trends and Impact Survey (UMD-CTIS). More precisely, this methodology performs a feature selection stage based on the recursive feature elimination (RFE) method to reduce the number of input variables without compromising detection accuracy. A tree-based supervised machine learning model is then optimized with the selected features to detect COVID-19-active cases. In contrast to previous approaches that use a limited set of selected symptoms, the proposed approach builds the detection engine considering a broad range of features including self-reported symptoms, local community information, vaccination acceptance, and isolation measures, among others. To implement the methodology, three different supervised classifiers were used: random forests (RF), light gradient boosting (LGB), and extreme gradient boosting (XGB). Based on data collected from the UMD-CTIS, we evaluated the detection performance of the methodology for four countries (Brazil, Canada, Japan, and South Africa) and two periods (2020 and 2021). The proposed approach was assessed in terms of various quality metrics: F1-score, sensitivity, specificity, precision, receiver operating characteristic (ROC), and area under the ROC curve (AUC). This work also shows the normalized daily incidence curves obtained by the proposed approach for the four countries. Finally, we perform an explainability analysis using Shapley values and feature importance to determine the relevance of each feature and the corresponding contribution for each country and each country/year.
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Affiliation(s)
| | | | - Jose Aguilar
- IMDEA Networks Institute, 28918, Madrid, Spain
- CEMISID, Universidad de Los Andes, Mérida, 5101, Venezuela
- CIDITIC, Universidad EAFIT, Medellín, Colombia
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Katarzyna Lesiów M, Witwicki M, Tan NK, Graziotto ME, New EJ. Unravelling the Mystery of COVID-19 Pathogenesis: Spike Protein and Cu Can Synergize to Trigger ROS Production. Chemistry 2023; 29:e202301530. [PMID: 37414735 DOI: 10.1002/chem.202301530] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2023] [Revised: 06/29/2023] [Accepted: 07/06/2023] [Indexed: 07/08/2023]
Abstract
The COVID-19 pandemic has had a devastating impact on global health, highlighting the need to understand how the SARS-CoV-2 virus damages the lungs in order to develop effective treatments. Recent research has shown that patients with COVID-19 experience severe oxidative damage to various biomolecules. We propose that the overproduction of reactive oxygen species (ROS) in SARS-CoV-2 infection involves an interaction between copper ions and the virus's spike protein. We tested two peptide fragments, Ac-ELDKYFKNH-NH2 (L1) and Ac-WSHPQFEK-NH2 (L2), derived from the spike protein of the Wuhan strain and the β variant, respectively, and found that they bind Cu(II) ions and form a three-nitrogen complexes at lung pH. Our research demonstrates that these complexes trigger the overproduction of ROS, which can break both DNA strands and transform DNA into its linear form. Using A549 cells, we demonstrated that ROS overproduction occurs in the mitochondria, not in the cytoplasm. Our findings highlight the importance of the interaction between copper ions and the virus's spike protein in the development of lung damage and may aid in the development of therapeutic procedures.
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Affiliation(s)
| | - Maciej Witwicki
- Faculty of Chemistry, University of Wrocław, F. Joliot-Curie 14, 50-383, Wrocław, Poland
| | - Nian Kee Tan
- School of Chemistry, The University of Sydney, Sydney, NSW 2006, Australia
- Australian Research Council Centre of Excellence for, Innovations in Peptide and Protein Science, The University of Sydney, Sydney, NSW 2006, Australia
| | | | - Elizabeth Joy New
- School of Chemistry, The University of Sydney, Sydney, NSW 2006, Australia
- Australian Research Council Centre of Excellence for, Innovations in Peptide and Protein Science, The University of Sydney, Sydney, NSW 2006, Australia
- Sydney Nano Institute, The University of Sydney, Sydney, NSW 2006, Australia
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Allhaiby NM, Allihybi SM, Almhmadi AH, Alkot MM. Prevalence of long-lasting loss of smell and taste after coronavirus disease 2019 infection in Saudi Arabia. J Family Community Med 2023; 30:295-299. [PMID: 38044974 PMCID: PMC10688591 DOI: 10.4103/jfcm.jfcm_58_23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Revised: 05/30/2023] [Accepted: 07/04/2023] [Indexed: 12/05/2023] Open
Abstract
BACKGROUND People with coronavirus disease 2019 (COVID-19) who experience symptoms for more than 35 weeks are said to have long COVID. Anosmia can occur on its own or in combination with other COVID-19 symptoms. Anosmia may be a significant differential presentation for the suspicion and diagnosis of COVID-19 in patients with asymptomatic-to-mild COVID-19 disease and may disappear in 3 weeks. This study sought to determine the prevalence of persistent loss of taste and smell following COVID-19 in Saudi Arabia. MATERIALS AND METHODS A population-based cross-sectional study was conducted among Saudi citizens who had been diagnosed with COVID-19 for more than 2 weeks and had experienced a loss of taste and smell. Data was collected using a questionnaire having questions about demographics, long-lasting loss of taste and smell, whether this related to COVID-19 infection, and whether respondents had received the COVID-19 vaccine. SPSS was used for data analysis; statistical significance was determined using Chi-square test. RESULTS A total of 383 Saudis who had a history of COVID-19 participated in the study. About 43.3% study participants had experienced persistent loss of taste and smell after COVID-19 infection. A significant association was found between loss of smell and the region, Northern region having highest proportion of study participants who had loss of smell and Western region having the lowest prevalence (34%). CONCLUSION There were permanent changes in the sense of taste or smell in 34.3% of participants. This might add to the growing weight of long COVID.
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Affiliation(s)
- Nada M. Allhaiby
- College of Medicine, Umm Al-Qura University, Makkah, Saudi Arabia
| | | | | | - Mohammad M. Alkot
- Department of Family Medicine, College of Medicine, Umm Al-Qura University, Makkah, Saudi Arabia
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10
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Abd-Elmonsif NM, Gamal S. Histological and molecular response of oral cavity tissues to Covid-19. Mol Biol Rep 2023; 50:7893-7899. [PMID: 37418081 DOI: 10.1007/s11033-023-08607-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2023] [Accepted: 06/19/2023] [Indexed: 07/08/2023]
Abstract
The world is still dealing with Covid-19 waves, and maintaining good oral health has systemic effects on overall health. This review's objective is to identify the main oral manifestations of this illness, its effects on oral tissues at their histological bases, their molecular cell mechanisms, and the relationship issues between Covid-19 outcomes and oral health conditions. The main sources of the review are research articles published from 2000 to 2023. The main used terms in search were Covid-19 oral manifestations, Corona virus and Taste, or Olfaction, Covid and periodontitis, or Oral cavity. the angiotensin-converting enzyme II receptor (ACE2), which serves as a cellular entry point for viral entry into the cell to cause Covid-19 infection, is the target of corona virus attacks on human cells. The destruction of keratinocytes and oral fibroblasts, which is an indication of the virus's direct impact on oral tissues, results in inflammatory reactions in the salivary glands, tongue, and gingiva, which may explain both the loss of taste and the mouth ulceration. Additionally, there is a significant correlation between Covid-19 outcome and periodontitis. This results from the connection between hyperinflammation and poor oral hygiene.
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Affiliation(s)
- Nehad M Abd-Elmonsif
- Department of Oral Biology, Faculty of Oral and Dental Medicine, Future University in Egypt, Cairo, Egypt.
| | - Sherif Gamal
- Research labs supervisor, Faculty of pharmacy, Future University in Egypt, Cairo, Egypt
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11
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Li H, Gerkin RC, Bakke A, Norel R, Cecchi G, Laudamiel C, Niv MY, Ohla K, Hayes JE, Parma V, Meyer P. Text-based predictions of COVID-19 diagnosis from self-reported chemosensory descriptions. COMMUNICATIONS MEDICINE 2023; 3:104. [PMID: 37500763 PMCID: PMC10374642 DOI: 10.1038/s43856-023-00334-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2023] [Accepted: 07/19/2023] [Indexed: 07/29/2023] Open
Abstract
BACKGROUND There is a prevailing view that humans' capacity to use language to characterize sensations like odors or tastes is poor, providing an unreliable source of information. METHODS Here, we developed a machine learning method based on Natural Language Processing (NLP) using Large Language Models (LLM) to predict COVID-19 diagnosis solely based on text descriptions of acute changes in chemosensation, i.e., smell, taste and chemesthesis, caused by the disease. The dataset of more than 1500 subjects was obtained from survey responses early in the COVID-19 pandemic, in Spring 2020. RESULTS When predicting COVID-19 diagnosis, our NLP model performs comparably (AUC ROC ~ 0.65) to models based on self-reported changes in function collected via quantitative rating scales. Further, our NLP model could attribute importance of words when performing the prediction; sentiment and descriptive words such as "smell", "taste", "sense", had strong contributions to the predictions. In addition, adjectives describing specific tastes or smells such as "salty", "sweet", "spicy", and "sour" also contributed considerably to predictions. CONCLUSIONS Our results show that the description of perceptual symptoms caused by a viral infection can be used to fine-tune an LLM model to correctly predict and interpret the diagnostic status of a subject. In the future, similar models may have utility for patient verbatims from online health portals or electronic health records.
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Affiliation(s)
- Hongyang Li
- Health Care and Life Sciences, IBM T.J. Watson Research Center, Yorktown Heights, NY, USA
| | - Richard C Gerkin
- School of Life Sciences, Arizona State University, Tempe, AZ, USA
- Osmo, Cambridge, MA, USA
| | - Alyssa Bakke
- Department of Food Science, The Pennsylvania State University, University Park, PA, USA
| | - Raquel Norel
- Health Care and Life Sciences, IBM T.J. Watson Research Center, Yorktown Heights, NY, USA
| | - Guillermo Cecchi
- Health Care and Life Sciences, IBM T.J. Watson Research Center, Yorktown Heights, NY, USA
| | | | - Masha Y Niv
- The Faculty of Agriculture, Food and Environment, The Hebrew University of Jerusalem, Rehovot, Israel
| | - Kathrin Ohla
- Department of Food Science, The Pennsylvania State University, University Park, PA, USA
- Science & Research, dsm-firmenich, Satigny, Switzerland
| | - John E Hayes
- Department of Food Science, The Pennsylvania State University, University Park, PA, USA
| | | | - Pablo Meyer
- Health Care and Life Sciences, IBM T.J. Watson Research Center, Yorktown Heights, NY, USA.
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12
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MOHAMMED FARAZ, FAIROZEKHAN ARISHIYATHAPASUM, MOHAMED SHAMAZ, ALMOUMEN SAUDABDULLAH, BUGSHAN AMRS, ALMOMEN ZAINABI, ALMOMEN AMINAHMOHAMMAD, M SHASHIKIRAN, ALMULHIM KHALIDS. Oral manifestations associated with Novel Coronavirus Disease - 2019 (COVID-19): A questionnaire based hypothetical study. F1000Res 2023; 11:1443. [PMID: 37360936 PMCID: PMC10285348 DOI: 10.12688/f1000research.128125.2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 05/11/2023] [Indexed: 06/28/2023] Open
Abstract
Background: Since the Coronavirus disease 2019 (COVID-19) outbreak in 2019, the virus has evolved drastically, presenting with sets of mutations that influence its properties, including transmissibility and antigenicity. The oral mucosa is postulated as probable portal entry and several oral manifestations have been identified, which places dental professionals in a position to recognize probable COVID-19 patients depending on oral signs and symptoms in the initial phases of the disease itself. As co-existing with COVID-19 seems to be a new reality, greater understanding is required regarding early oral signs and symptoms which can be predictors for timely intervention and prevention of complications in COVID-19 patients. The objective of the study is to identify the distinguishing oral signs and symptoms among COVID-19 patients and to establish possible correlation between severity of COVID-19 infection and oral symptoms. Methods: This study recruited 179 ambulatory, non-hospitalized COVID-19 patients from the Kingdom of Saudi Arabia's Eastern Province's designated hotels for COVID-19 and home isolated patients from the same region using a convenience sample method. Data was collected by qualified and experienced investigators, including two physicians and three dentists, using a validated comprehensive questionnaire through telephonic interviews with the participants. The X 2 was used to assess the categorical variables, and odd's ratio was calculated to determine the strength of the association between general symptoms and oral manifestations. Results: Oral and nasopharyngeal lesions or conditions like loss of smell and taste, xerostomia, sore throat, and burning sensation were predictors of COVID-19-related systemic symptoms such as cough, fatigue, fever, and nasal congestion were identified to be statistically significant (p<0.05). Conclusions: The study reveals the occurrence of olfactory or taste dysfunction, dry mouth, sore throat, and burning sensation along with COVID-19 generic symptoms, should be considered as suggestive yet not conclusive indicators of COVID-19.
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Affiliation(s)
- FARAZ MOHAMMED
- Department of Biomedical Dental Sciences, College of Dentistry, Imam Abdulrahman Bin Faisal University, Dammam, P.O. Box 1982, Saudi Arabia
| | - ARISHIYA THAPASUM FAIROZEKHAN
- Department of Biomedical Dental Sciences, College of Dentistry, Imam Abdulrahman Bin Faisal University, Dammam, P.O. Box 1982, Saudi Arabia
| | - SHAMAZ MOHAMED
- Senior Manager, BioQuest Solutions Pvt Ltd, Bangalore, Karnataka, India
| | - SAUD ABDULLAH ALMOUMEN
- Oral & Maxillofacial Surgery - Dental Division, Ministry of Health, Dammam, Eastern Province, Saudi Arabia
- Postgraduate Scholar, Oral & Maxillofacial Surgery, Riyadh Elm University, Riyadh, Saudi Arabia
| | - AMR S. BUGSHAN
- Department of Biomedical Dental Sciences, College of Dentistry, Imam Abdulrahman Bin Faisal University, Dammam, P.O. Box 1982, Saudi Arabia
| | - ZAINAB I. ALMOMEN
- Medical Intern, College of Medicine, Imam Abdulrahman Bin Faisal University, Dammam, P.O. Box 1982, Saudi Arabia
| | | | - SHASHI KIRAN M
- Manager, BioQuest Solutions Pvt Ltd, Bangalore, Karnataka, India
| | - KHALID S. ALMULHIM
- Department of Restorative Dental Sciences, College of Dentistry, Imam Abdulrahman Bin Faisal University, Dammam, 31441, Saudi Arabia
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13
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Yalley AK, Ahiatrogah S, Yalley AB, Yankson IK, Nii-Trebi NI, Yalley AA. Did Ghana Do Enough? A Scientometric Analysis of COVID-19 Research Output from Ghana within the African Context. Diseases 2023; 11:diseases11020056. [PMID: 37092438 PMCID: PMC10123632 DOI: 10.3390/diseases11020056] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2023] [Revised: 03/16/2023] [Accepted: 03/20/2023] [Indexed: 04/05/2023] Open
Abstract
The COVID-19 pandemic has generated worldwide research efforts to provide knowledge about the disease. Yet little is known about how Ghana contributed to this critical knowledge production. This scientometric analysis was conducted to ascertain Ghana’s COVID-19 research output within the African context to gain understanding and identify potential future directions. The study retrieved relevant research, spanning 2019 to 2022, from the Scopus database in December 2022. The retrieved data were assessed using various established indices, including collaboration patterns, productive institutions, citation patterns, and major research sponsors, among others. Ghana came seventh in Africa with a total of 1112 publications. For international collaborations, the United States and the United Kingdom were the major partners, while South Africa was the main African collaborator with Ghana. Out of the top 21 most productive authors, 85.7% were males and 14.3% were females, demonstrating a great gender gap in research output in Ghana. Although Ghana has made some contributions to the global COVID-19 research output, there are few intra-continental research collaborations, which limits Africa’s overall research output. Our study demonstrates a critical need for the Ghanaian government to prioritize research and funding and address barriers to women’s research productivity.
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Affiliation(s)
- Akua K. Yalley
- Department of Medical Laboratory Sciences, School of Biomedical and Allied Health Sciences, University of Ghana, Korle Bu, Accra P.O. Box 143, Ghana
| | - Selasie Ahiatrogah
- Department of Obstetrics and Gynaecology, College of Medicine, Pan African University of Life and Earth Sciences Institute, University of Ibadan, Ibadan P.O. Box 22133, Nigeria
| | - Akuba B. Yalley
- Department of Mining Engineering, University of Mines and Technology, Tarkwa P.O. Box 237, Ghana
| | - Isaac K. Yankson
- CSIR-Building and Road Research Institute, Kumasi P.O. Box UP40, KNUST, Ghana
| | - Nicholas I. Nii-Trebi
- Department of Medical Laboratory Sciences, School of Biomedical and Allied Health Sciences, University of Ghana, Korle Bu, Accra P.O. Box 143, Ghana
| | - Abena Asefuaba Yalley
- Zukunftskolleg, Department of Politics and Public Administration, University of Konstanz, 78464 Konstanz, Germany
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14
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Zarachi A, Lianou AD, Pezoulas V, Komnos I, Milionis O, Fotiadis D, Milionis H, Kastanioudakis IG, Liontos A. Visual Analogue Scale for the Evaluation of Olfactory and Gustatory Dysfunction of COVID-19 Patients in Northwestern Greece. Cureus 2023; 15:e36413. [PMID: 37090302 PMCID: PMC10115151 DOI: 10.7759/cureus.36413] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/20/2023] [Indexed: 03/22/2023] Open
Abstract
Background The visual analogue scale (VAS) has been used as a diagnostic tool for the evaluation of the severity of olfactory and gustatory dysfunction (OGD) caused by SARS-CoV2 infection. The main objective of the present study was the evaluation of OGD with VAS in COVID-19-positive patients in Northwestern Greece and its possible association with the patients' self-reported symptoms of olfactory and gustatory dysfunction. Methods The presence of olfactory and gustatory symptoms and their severity were assessed by questionnaire along with the use of specific odorants and tastant ingredients, in three time periods: prior to COVID-19, during COVID-19 (initial diagnosis) and post-COVID-19 disease (at four weeks from disease onset). Three hundred COVID-19-positive patients (home-quarantined and hospitalized) tested with RT-PCR test in the University Hospital of Ioannina Greece were included in this study. Statistical analysis was performed on SPSS Statistics 26.0 (IBM Corp., Armonk, NY) Results Out of a total of 300 patients, 146 and 190 patients had mild hyposmia and hypogeusia respectively, followed by patients with severe hyposmia or hypogeusia (118 and 88 respectively), at the time of COVID-19 onset (initial diagnosis). An increase in the number of patients with recovery of symptoms was observed during the follow-up period, during which only eight patients had non-resolving severe symptoms (six patients with hyposmia and two with hypogeusia). On further analysis, a statistically significant association was found between the severity of symptoms (assessed by VAS score) and the self-reported symptoms of sensory dysfunction by the patients. There was a significant association between the groups of patients with mild hyposmia and patients that reported no loss of smell; between the patients with moderate hyposmia and the patients who reported "loss of smell"; and between the patients with severe hyposmia and the group of patients who reported a loss of smell, at the COVID-19 onset period. Similarly, patients with mild hyposmia were associated with those that reported a loss of smell at the same time. The severity of hyposmia was also associated with the reported symptom of "loss of taste" at the time of COVID-19 diagnosis. Similar findings were observed regarding the severity of hypogeusia and the reported symptom of "loss of taste" among the groups of patients. Finally, the severity of hypogeusia was associated with smell loss at the time of initial diagnosis of the infection. Conclusion Similar to the literature data, our findings indicate that hyposmia and hypogeusia are common symptoms of COVID-19 disease with varying severity. In our study, most of the patients exerted a complete recovery of these OGD symptoms. In addition, we found an association between olfactory dysfunction and self-reported sensory of taste as well as gustatory dysfunction and sensory of smell. Finally, we found that the VAS score was a reliable diagnostic tool in the estimation of OGD in this cohort of patients. However, our results need to be confirmed by larger-scale trials.
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15
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Pinheiro FD, Lopes LW, Dórea RSDM, Araújo GRL, Silva FAFD, de Brito BB, Cordeiro Santos ML, Júnior GMS, de Lorenzo Barcia MTA, Marques RDA, Botelho AB, Dantas ACS, Costa DT, Teixeira AF, Souza CL, Marques LM, Campos GB, Oliveira MV, de Magalhães Queiroz DM, Freire de Melo F. Epidemiological and clinical characteristics of COVID-19 in a Brazilian public hospital. World J Clin Cases 2023; 11:1761-1770. [PMID: 36970001 PMCID: PMC10037278 DOI: 10.12998/wjcc.v11.i8.1761] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/09/2022] [Revised: 11/19/2022] [Accepted: 01/28/2023] [Indexed: 03/07/2023] Open
Abstract
BACKGROUND The coronavirus disease 2019 (COVID-19) pandemic has become a major health concern worldwide. In that context, the understanding of epidemiological and clinical features associated with the disease and its severity is crucial for the establishment of strategies aimed at disease control and remedy.
AIM To describe epidemiological features, signs, symptoms, and laboratory findings among severely ill COVID-19 patients from an intensive care unit in northeastern Brazil as well as to evaluate predictor factors for disease outcomes.
METHODS This is a prospective single-center study that evaluated 115 patients admitted to the intensive care unit in a northeastern Brazilian hospital.
RESULTS The patients had a median age of 65.60 ± 15.78 years. Dyspnea was the most frequent symptom, affecting 73.9% of the patients, followed by cough (54.7%). Fever was reported in approximately one-third of patients and myalgia in 20.8% of the patients. At least two comorbidities were found in 41.7% of the patients, and hypertension was the most prevalent (57.3%). In addition, having two or more comorbidities was a predictor of mortality, and lower platelet count was positively associated with death. Nausea and vomiting were two symptoms that were predictors of death, and the presence of a cough was a protective factor.
CONCLUSION This is the first report of a negative correlation between cough and death in severely ill severe acute respiratory syndrome coronavirus 2-infected individuals. The associations between comorbidities, advanced age, and low platelet count and the outcomes of the infection were similar to the results of previous studies, highlighting the relevance of these features.
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Affiliation(s)
- Fillipe Dantas Pinheiro
- Instituto Multidisciplinar em Saúde, Universidade Federal da Bahia, Vitória da Conquista 45029-094, Bahia, Brazil
| | - Luana Weber Lopes
- Instituto Multidisciplinar em Saúde, Universidade Federal da Bahia, Vitória da Conquista 45029-094, Bahia, Brazil
| | | | - Glauber Rocha Lima Araújo
- Instituto Multidisciplinar em Saúde, Universidade Federal da Bahia, Vitória da Conquista 45029-094, Bahia, Brazil
| | | | - Breno Bittencourt de Brito
- Instituto Multidisciplinar em Saúde, Universidade Federal da Bahia, Vitória da Conquista 45029-094, Bahia, Brazil
| | - Maria Luísa Cordeiro Santos
- Instituto Multidisciplinar em Saúde, Universidade Federal da Bahia, Vitória da Conquista 45029-094, Bahia, Brazil
| | | | | | | | - André Bezerra Botelho
- Instituto Multidisciplinar em Saúde, Universidade Federal da Bahia, Vitória da Conquista 45029-094, Bahia, Brazil
| | - Anna Carolina Saúde Dantas
- Instituto Multidisciplinar em Saúde, Universidade Federal da Bahia, Vitória da Conquista 45029-094, Bahia, Brazil
| | - Davi Tanajura Costa
- Instituto Multidisciplinar em Saúde, Universidade Federal da Bahia, Vitória da Conquista 45029-094, Bahia, Brazil
- Departamento de Ciências da Saúde, Universidade Estadual do Sudoeste da Bahia (UESB), Vitória da Conquista 45083-900, Bahia, Brazil
| | - Adriano Fernandes Teixeira
- Instituto Multidisciplinar em Saúde, Universidade Federal da Bahia, Vitória da Conquista 45029-094, Bahia, Brazil
| | - Cláudio Lima Souza
- Instituto Multidisciplinar em Saúde, Universidade Federal da Bahia, Vitória da Conquista 45029-094, Bahia, Brazil
| | - Lucas Miranda Marques
- Instituto Multidisciplinar em Saúde, Universidade Federal da Bahia, Vitória da Conquista 45029-094, Bahia, Brazil
| | - Guilherme Barretos Campos
- Instituto Multidisciplinar em Saúde, Universidade Federal da Bahia, Vitória da Conquista 45029-094, Bahia, Brazil
| | - Márcio Vasconcelos Oliveira
- Instituto Multidisciplinar em Saúde, Universidade Federal da Bahia, Vitória da Conquista 45029-094, Bahia, Brazil
| | | | - Fabrício Freire de Melo
- Instituto Multidisciplinar em Saúde, Universidade Federal da Bahia, Vitória da Conquista 45029-094, Bahia, Brazil
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16
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Yang C, Cai L, Xiao SY. Pathologic Characteristics of Digestive Tract and Liver in Patients with Coronavirus Disease 2019. Gastroenterol Clin North Am 2023; 52:201-214. [PMID: 36813426 PMCID: PMC9531645 DOI: 10.1016/j.gtc.2022.09.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
With the high prevalence of coronavirus disease-2019 (COVID-19), there has been increasing understanding of the pathologic changes associated with the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). This review summarizes the pathologic changes in the digestive system and liver associated with COVID-19, including the injuries induced by SARS-CoV2 infection of GI epithelial cells and the systemic immune responses. The common digestive manifestations associated with COVID-19 include anorexia, nausea, vomiting, and diarrhea; the clearance of the viruses in COVID-19 patients with digestive symptoms is usually delayed. COVID-19-associated gastrointestinal histopathology is characterized by mucosal damage and lymphocytic infiltration. The most common hepatic changes are steatosis, mild lobular and portal inflammation, congestion/sinusoidal dilatation, lobular necrosis, and cholestasis.
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Affiliation(s)
- Chunxiu Yang
- Department of Pathology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Lijun Cai
- Department of Pathology, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Shu-Yuan Xiao
- Department of Pathology, University of Chicago Medicine, University of Chicago Medicine, MC6101, Anatomic Pathology, 5841 South Maryland Avenue, Chicago, IL 60637, USA.
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17
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Leong S, Teh BM, Kim AH. Characterization of otologic symptoms appearing after COVID-19 vaccination. Am J Otolaryngol 2023; 44:103725. [PMID: 36525812 PMCID: PMC9721195 DOI: 10.1016/j.amjoto.2022.103725] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2022] [Accepted: 11/28/2022] [Indexed: 12/12/2022]
Abstract
OBJECTIVES Anecdotal reports of sudden sensorineural hearing loss (SSNHL) following COVID-19 vaccination have emerged in the otolaryngology community. Studies have demonstrated no association between COVID-19 vaccination and SSNHL. We aim to characterize the spectrum of otologic symptoms following COVID-19 vaccination. METHODS A cross-sectional study of patients seen in the otology clinic at an academic center was performed. Patients completed a questionnaire on the development of new otologic symptoms within 4 weeks of COVID-19 vaccination. Diagnostic and audiometric data was collected retrospectively for patients reporting otologic symptoms. RESULTS Between May and July 2021, 500 patients were screened. Median age was 56.6 years old, with 59.4 % female and 40.2 % male. 420 patients (84.0 %) were vaccinated, with 58.4 % receiving Pfizer, 29.1 % receiving Moderna, and 3.8 % receiving Johnson & Johnson. 61 patients (14.5 %) reported one or more otologic symptoms within 4 weeks of vaccination, including 21 (5.0 %) with hearing loss, 26 (6.2 %) with tinnitus, 33 (7.9 %) with dizziness, and 19 (4.5 %) with vertigo. Of the 16 patients (3.2 %) reporting tinnitus with no associated hearing loss, 8 were diagnosed with subjective tinnitus and 4 were diagnosed with temporomandibular joint syndrome. Of the 18 patients reporting hearing loss, 11 had exacerbations of underlying pathologies (e.g. Meniere's disease, presbycusis) and 7 were newly diagnosed with SSNHL (1.4 %). CONCLUSIONS Patients reporting otologic symptoms following COVID-19 vaccination received various diagnoses of uncertain etiology. The incidence of SSNHL in these patients is comparable to the general otology patient population. Additional studies are required to determine the incidence of specific diagnoses following vaccination.
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Affiliation(s)
- Stephen Leong
- Columbia University Vagelos College of Physicians & Surgeons, New York, NY, United States of America
| | - Bing M Teh
- Department of Otolaryngology/Head and Neck Surgery, NewYork-Presbyterian/Columbia University Irving Medical Center, New York, NY, United States of America; Department of Otolaryngology-Head & Neck Surgery, Monash Health, Faculty of Medicine, Nursing and Health Sciences, Monash University, Clayton, Victoria, Australia
| | - Ana H Kim
- Department of Otolaryngology/Head and Neck Surgery, NewYork-Presbyterian/Columbia University Irving Medical Center, New York, NY, United States of America.
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18
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N Al‐Rasheedi A, D Alotaibi A, Alshalan A, Muteb Alshalan K, Muharib R Alruwaili K, Hamdan R Alruwaili A, Talal Alruwaili A, Abdulhamid Alanazi A, Khalid Alshalan M, Fahid ALtimani A. Epidemiological Characteristics, Pathogenesis and Clinical Implications of Sinusitis in the Era of COVID-19: A Narrative Review. J Asthma Allergy 2023; 16:201-211. [PMID: 36733455 PMCID: PMC9888400 DOI: 10.2147/jaa.s398686] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2022] [Accepted: 01/12/2023] [Indexed: 01/28/2023] Open
Abstract
Sinusitis is a common condition with various forms and different etiologies. In the era of COVID-19, a large number of studies covered the association between sinusitis and COVID-19, while others reported the impact of COVID-19 on the development of acute invasive fungal rhinosinusitis (AIFR), together with the most commonly associated predisposing factors. Fungal sinusitis, particularly AIFR, can be life-threatening. It is important to dissect this association and improve current evidence and management. Therefore, we conducted this literature review to highlight the association between COVID-19 and sinusitis based on evidence from the available studies in the literature. Evidence shows that chronic sinusitis might have a negative impact on COVID-19 outcomes. However, current results are conflicting, and further studies are needed. On the other hand, COVID-19 can also cause olfactory dysfunction, which is usually temporary. In addition, we found several studies that indicated the association between COVID-19 and AIFR. The condition is usually associated with severe morbidities, as affected patients are usually immunocompromised, including those with uncontrolled diabetes, malignancy, immunosuppression, AIDS, the administration of chemotherapy and other immunosuppressive drugs, and COVID-19.
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Affiliation(s)
- Abdullah N Al‐Rasheedi
- Department of Otolaryngology, Head & Neck Surgery, College of Medicine, Jouf University, Sakaka, Aljouf, Saudi Arabia,Correspondence: Abdullah N Al‐Rasheedi, Saudi Board (Otolaryngology-Head & Neck Surgery), College of Medicine, Jouf University, Sakaka, Aljouf, 72388, Saudi Arabia, Tel +966591009005, Email
| | - Abdullah D Alotaibi
- Department of Otolaryngology, Head & Neck Surgery, College of Medicine, University of Hail, Hail, Saudi Arabia
| | - Afrah Alshalan
- Department of Otolaryngology, Head & Neck Surgery, College of Medicine, Jouf University, Sakaka, Aljouf, Saudi Arabia
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19
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Singh M, Pushpakumar S, Bard N, Zheng Y, Homme RP, Mokshagundam SPL, Tyagi SC. Simulation of COVID-19 symptoms in a genetically engineered mouse model: implications for the long haulers. Mol Cell Biochem 2023; 478:103-119. [PMID: 35731343 PMCID: PMC9214689 DOI: 10.1007/s11010-022-04487-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2022] [Accepted: 05/30/2022] [Indexed: 01/24/2023]
Abstract
The ongoing pandemic (also known as coronavirus disease-19; COVID-19) by a constantly emerging viral agent commonly referred as the severe acute respiratory syndrome corona virus 2 or SARS-CoV-2 has revealed unique pathological findings from infected human beings, and the postmortem observations. The list of disease symptoms, and postmortem observations is too long to mention; however, SARS-CoV-2 has brought with it a whole new clinical syndrome in "long haulers" including dyspnea, chest pain, tachycardia, brain fog, exercise intolerance, and extreme fatigue. We opine that further improvement in delivering effective treatment, and preventive strategies would be benefited from validated animal disease models. In this context, we designed a study, and show that a genetically engineered mouse expressing the human angiotensin converting enzyme 2; ACE-2 (the receptor used by SARS-CoV-2 agent to enter host cells) represents an excellent investigative resource in simulating important clinical features of the COVID-19. The ACE-2 mouse model (which is susceptible to SARS-CoV-2) when administered with a recombinant SARS-CoV-2 spike protein (SP) intranasally exhibited a profound cytokine storm capable of altering the physiological parameters including significant changes in cardiac function along with multi-organ damage that was further confirmed via histological findings. More importantly, visceral organs from SP treated mice revealed thrombotic blood clots as seen during postmortem examination. Thus, the ACE-2 engineered mouse appears to be a suitable model for studying intimate viral pathogenesis thus paving the way for identification, and characterization of appropriate prophylactics as well as therapeutics for COVID-19 management.
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Affiliation(s)
- Mahavir Singh
- Department of Physiology, University of Louisville School of Medicine, Louisville, KY, 40202, USA.
| | - Sathnur Pushpakumar
- Department of Physiology, University of Louisville School of Medicine, Louisville, KY, 40202, USA
| | - Nia Bard
- Department of Physiology, University of Louisville School of Medicine, Louisville, KY, 40202, USA
| | - Yuting Zheng
- Department of Physiology, University of Louisville School of Medicine, Louisville, KY, 40202, USA
| | - Rubens P Homme
- Department of Physiology, University of Louisville School of Medicine, Louisville, KY, 40202, USA
| | - Sri Prakash L Mokshagundam
- Division of Endocrinology, Metabolism and Diabetes and Robley Rex VA Medical Center, University of Louisville School of Medicine, Louisville, KY, 40202, USA
| | - Suresh C Tyagi
- Department of Physiology, University of Louisville School of Medicine, Louisville, KY, 40202, USA
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Rodrigues NCP, de Noronha Andrade MK, Netto JT, Monteiro DLM, Lino VTS, Almeida EGR. Applying fuzzy qualitative comparative analysis to identify typical symptoms of COVID-19 infection in a primary care unit, Rio de Janeiro, Brazil. Sci Rep 2022; 12:22319. [PMID: 36566326 PMCID: PMC9789733 DOI: 10.1038/s41598-022-26283-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2022] [Accepted: 12/13/2022] [Indexed: 12/25/2022] Open
Abstract
This study aims to identify a set of symptoms that could be predictive of SARS-CoV-2 cases in the triage of Primary Care services with the contribution of Qualitative Comparative Analysis (QCA) using Fuzzy Sets (fsQCA). A cross-sectional study was carried out in a Primary Health Care Unit/FIOCRUZ from 09/17/2020 to 05/05/2021. The study population was suspect cases that performed diagnostic tests for COVID-19. We collected information about the symptoms to identify which configurations are associated with positive and negative cases. For analysis, we used fsQCA to explain the outcomes "being a positive case" and "not being a positive case". The solution term "loss of taste or smell and no headache" showed the highest degree of association with the positive result (consistency = 0.81). The solution term "absence of loss of taste or smell combined with the absence of fever" showed the highest degree of association (consistency = 0,79) and is the one that proportionally best explains the negative result. Our results may be useful to the presumptive clinical diagnosis of COVID-19 in scenarios where access to diagnostic tests is not available. We used an innovative method used in complex problems in Public Health, the fsQCA.
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Affiliation(s)
- Nádia Cristina Pinheiro Rodrigues
- grid.418854.40000 0004 0602 9605Escola Nacional de Saúde Pública Sérgio Arouca/Fundação Oswaldo Cruz, Rio de Janeiro, Rua Leopoldo Bulhões, 1480, 21041210 Brazil ,grid.412211.50000 0004 4687 5267Instituto de Medicina Social Hesio Cordeiro/Universidade do Estado do Rio de Janeiro, Rua São Francisco Xavier, 524-7th floor, Block D, Rio de Janeiro, CEP: 21041-210 Brazil
| | - Mônica Kramer de Noronha Andrade
- grid.418854.40000 0004 0602 9605Escola Nacional de Saúde Pública Sérgio Arouca/Fundação Oswaldo Cruz, Rio de Janeiro, Rua Leopoldo Bulhões, 1480, 21041210 Brazil
| | - Joaquim Teixeira Netto
- grid.418854.40000 0004 0602 9605Escola Nacional de Saúde Pública Sérgio Arouca/Fundação Oswaldo Cruz, Rio de Janeiro, Rua Leopoldo Bulhões, 1480, 21041210 Brazil
| | - Denise Leite Maia Monteiro
- grid.412211.50000 0004 4687 5267Faculdade de Ciências Médicas, Universidade do Estado do Rio de Janeiro, Av. Prof. Manuel de Abreu, 444-2º Andar, Rio de Janeiro, RJ CEP: 20550-170 Brazil
| | - Valéria Teresa Saraiva Lino
- grid.418854.40000 0004 0602 9605Escola Nacional de Saúde Pública Sérgio Arouca/Fundação Oswaldo Cruz, Rio de Janeiro, Rua Leopoldo Bulhões, 1480, 21041210 Brazil
| | - Eric Gustavo Ramos Almeida
- grid.412211.50000 0004 4687 5267Instituto de Medicina Social Hesio Cordeiro/Universidade do Estado do Rio de Janeiro, Rua São Francisco Xavier, 524-7th floor, Block D, Rio de Janeiro, CEP: 21041-210 Brazil
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The Retrospective Pilot Study of the Prevalence of Olfactory Dysfunction or Loss of Smell, Loss of Taste and Oral Manifestations Among COVID-19 Positive Health Workers in Muscat, Oman. Indian J Otolaryngol Head Neck Surg 2022; 75:742-746. [DOI: 10.1007/s12070-022-03293-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2022] [Accepted: 11/21/2022] [Indexed: 12/04/2022] Open
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22
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Mohamad SA, Sayed SM, Sadek AA, Badawi AM. Randomized Clinical Trial Comparing Insulin Fast Dissolving Films versus Control Group for Anosmic Patients for Improving Their Health and Social Qualities of Life. OPEN ACCESS JOURNAL OF CLINICAL TRIALS 2022. [DOI: 10.2147/oajct.s389489] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
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Desai DD, Yu SE, Salvatore B, Goldberg Z, Bowers EMR, Moore JA, Phan B, Lee SE. Olfactory and neurological outcomes of SARS-CoV-2 from acute infection to recovery. FRONTIERS IN ALLERGY 2022; 3:1019274. [DOI: 10.3389/falgy.2022.1019274] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2022] [Accepted: 10/07/2022] [Indexed: 11/07/2022] Open
Abstract
Educational objectiveTo investigate the impact of SARS-CoV-2 on sinonasal quality of life, olfaction, and cognition at different stages of viral infection and evaluate the association between olfaction and cognition in this population cohort.ObjectivesWhile olfactory dysfunction (OD) is a frequently reported symptom of COVID-19 (98% prevalence), neurocognitive symptoms are becoming more apparent as patients recover from infection. This study aims to address how different stages of infection [active infection (positive PCR test, symptomatic) vs. recovered (7 days post-symptoms)] compared to healthy control patients influence sinonasal quality of life, olfactory function, and cognition.Study designProspective, longitudinal, case-control.MethodsParticipants completed the SNOT-22, University of Pennsylvania Smell Identification Test (UPSIT) and validated cognitive examinations to assess degree of smell loss and neurocognitive function at baseline and at 1 and 3 months for the active group and 3 months for the recovered group. Self-reported olfactory function and overall health metrics were also collected.ResultsThe recovered group had the lowest average UPSIT score of 27.6 compared to 32.7 (active) and 32.6 (healthy control). 80% (n = 24) of the recovered patients and 56.3% (n = 9) of the active patients suffered from smell loss. In follow-up, the active group showed improvement in UPSIT scores while the recovered group scores worsened. In terms of neurocognitive performance, recovered patients had lower processing speed despite an improving UPSIT score.ConclusionSARS-CoV-2 infection was found to impact olfactory function in a delayed fashion with significant impact despite recovery from active infection. Although olfactory function improved, decrements in cognitive processing speed were detected in our cohort.
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Taitelbaum‐Swead R, Pinhas A, Cohen Tsemah S, Wechsler H, Chordekar S. Is COVID-19 to Blame for Sensorineural Hearing Deterioration? A Pre/Post COVID-19 Hearing Evaluation Study. Laryngoscope 2022:10.1002/lary.30400. [PMID: 36189952 PMCID: PMC9874895 DOI: 10.1002/lary.30400] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2022] [Revised: 08/22/2022] [Accepted: 08/26/2022] [Indexed: 01/27/2023]
Abstract
OBJECTIVES Here, we aimed to (a) determine whether a clinically significant sensorineural hearing loss (SNHL) change could be detected in post-coronavirus disease (COVID-19) hearing levels on comparing them with pre-infection hearing levels after controlling for the effect of age and (b) to identify risk factors, such as hypertension, diabetes, and smoking, which increase the likelihood of hearing loss in COVID-19 patients. METHODS We retrospectively analyzed hearing thresholds in unvaccinated patient's pre- and post-COVID-19 infection. Thresholds were controlled for age and the duration between the pre- and post-COVID-19 hearing evaluations. Correlations between additional COVID-19-related symptoms, hypertension, diabetes, and smoking and hearing threshold changes were analyzed. RESULTS A significant (but not clinical) threshold elevation was found post-COVID-19 infection. However, on controlling for age and the duration between the pre- and post-COVID-19 hearing evaluations, no significant threshold elevation was found. No significant correlation was found between hearing threshold changes and additional COVID-19-related symptoms, hypertension, diabetes, or smoking. CONCLUSION COVID-19 did not lead to a significant hearing threshold elevation in our cohort, even among patients with additional COVID-19 symptoms, hypertension, or diabetes mellitus or among those who smoked. LEVEL OF EVIDENCE: 3 nonrandomized controlled cohort, follow-up study Laryngoscope, 2022.
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Affiliation(s)
- Riki Taitelbaum‐Swead
- Department of Communication DisordersAriel UniversityArielIsrael,Meuhedet Health ServicesTel AvivIsrael
| | - Adi Pinhas
- Department of Communication DisordersAriel UniversityArielIsrael
| | | | | | - Shai Chordekar
- Department of Communication DisordersTel Aviv UniversityTel Aviv‐YafoIsrael
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Vigliar MFR, Pomini KT, Buchaim DV, Buchaim RL. Anatomophysiological relationships and clinical considerations of taste and smell loss in patients with COVID-19. World J Virol 2022; 11:362-374. [PMID: 36188742 PMCID: PMC9523329 DOI: 10.5501/wjv.v11.i5.362] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/13/2022] [Revised: 06/24/2022] [Accepted: 08/17/2022] [Indexed: 02/05/2023] Open
Abstract
BACKGROUND There are numerous conflicting discussions about the outbreak of the new coronavirus 2019 (COVID-19).
AIM To present some anatomical and physiological considerations about two of the symptoms reported by patients: The loss or reduction of smell and taste.
METHODS The loss or reduction of smell and taste is presented in a peculiar way, with some cases of persistence even after COVID-19. For this, it was searched in three databases, PubMed/MEDLINE, Web of Science, and Scopus, using the following keywords: "Smell", "Taste", "Smell AND COVID-19", "Taste AND COVID-19", with no publication time restriction, only in English with full text available, excluding also brief communications, letters to the editor, editorials, reviews, comments, and conference abstracts.
RESULTS The search found 776 articles in the PubMed/MEDLINE database, 1018 in the Web of Science database, and 552 in the Scopus database, from which duplicates were removed (104 articles). Finally, 17 studies were selected for detailed analysis within the eligibility criteria, with titles and abstracts related to central nervous system lesions responsible for smell and taste. This review suggests that viral mechanisms of action may be related to lesions both at the local level and at the level of the central nervous system, lasting up to 3 to 4 wk. It is considered persistent if it exceeds this period, as reported in one case in this review. There are still few studies about the treatment, and among those addressed in this review, only two studies reported possible treatments and emphasized the scarcity of data, with the best option being treatments that do not cause harm, such as gustatory and olfactory physiotherapy
CONCLUSION Given the scarcity of data, this review emphasizes the importance of prevention, through the correct use of personal protective equipment by health professionals and respect for local behavioral indications. It is also emphasized, through five studies, that there is a predominance of such symptoms in patients with COVID-19, which can be a tool to control dissemination, through the early isolation of patients until the results are ready.
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Affiliation(s)
- Maria Fernanda Rossi Vigliar
- Department of Biological Sciences, Bauru School of Dentistry, University of São Paulo, Bauru 17012901, São Paulo, Brazil
| | - Karina Torres Pomini
- Department of Biological Sciences, Bauru School of Dentistry, University of São Paulo, Bauru 17012901, São Paulo, Brazil
- University of Marilia, Marilia 17525902, São Paulo, Brazil
| | - Daniela Vieira Buchaim
- University of Marilia, Marilia 17525902, São Paulo, Brazil
- University Center of Adamantina, Adamantina 17800000, São Paulo, Brazil
| | - Rogerio Leone Buchaim
- Department of Biological Sciences, Bauru School of Dentistry, University of São Paulo, Bauru 17012901, São Paulo, Brazil
- Faculty of Veterinary Medicine and Animal Science, University of São Paulo, São Paulo 05508270, São Paulo, Brazil
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Phillips WT, Issa NJ, Elhalwagi SB, Draeger HT, Schwartz JG, Gelfond JA. Nasal and Parotid Blood Pool Activity Is Significantly Correlated with Metabolic Syndrome Components and Sleep Apnea. Metab Syndr Relat Disord 2022; 20:395-404. [PMID: 35731008 DOI: 10.1089/met.2022.0015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Background: Patients with metabolic syndrome components were frequently noted to have increased nasal and parotid activity on clinically referred scintigraphic whole-body blood pool scans. This increase in activity was not observed in patients without metabolic syndrome. Increased nasal blood pool activity in patients with elevated body mass indices (BMIs) has implications for (1) sleep apnea, (2) risk of nasal infection, and (3) possible impaired nasal lymphatic drainage of brain waste proteins. Methods: To follow-up this clinical observation, a retrospective study was performed on 200 patients having whole-body blood pool scans referred over a 3-year period. The whole-body blood pool scans were evaluated for an association between nose and parotid region of interest (ROI) to heart ROI maximum (max) pixel ratios as correlated with clinical conditions, including obesity, diabetes, hypertension, and sleep apnea. Continuous variables of BMI, hemoglobin A1c (HbA1c), blood glucose, and blood lipids were also correlated with these ratios. Results: A direct association of nose to heart max ratio (NHMR) with diabetes, sleep apnea, and hypertension was found with an increase in the ratio of +0.10 (P = 0.002), +0.13 (P = 0.0002), +0.08 (P = 0.0123), respectively. Correlation of NHMR with continuous variables had moderate correlation with BMI (r = 0.36, P < 0.0001), glucose (r = 0.27, P = 0.0001), HbA1c (r = 0.25, P = 0.0008) and less association with the number of diabetes medications (r = 0.22, P = 0.0021). Similar associations were found for parotid to heart max ratios but were weaker than the NHMR. Conclusions: Patients with metabolic syndrome components have significantly increased nasal and parotid activity on blood pool scans. These associations have implications for the treatment of sleep apnea, for nasal infections involving such agents as Covid-19, and for the risk of dementias related to decreased clearance of brain waste proteins through nasal turbinate lymphatics in patients with metabolic syndrome. If further studies support these findings, the nasal turbinates and the increased parasympathetic activity controlling their dilation could become a new therapeutic target.
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Affiliation(s)
- William T Phillips
- Department of Radiology, University of Texas Health-San Antonio, San Antonio, Texas, USA
| | - Nasser J Issa
- Department of Radiology, University of Texas Health-San Antonio, San Antonio, Texas, USA
| | - Shereef B Elhalwagi
- Department of Radiology, University of Texas Health-San Antonio, San Antonio, Texas, USA
| | | | - Joyce G Schwartz
- Department of Pathology, Methodist Hospital, San Antonio, Texas, USA
| | - Jonathan A Gelfond
- Population Health Sciences, University of Texas Health-San Antonio, San Antonio, Texas, USA
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Mullol J, Azar A, Buchheit KM, Hopkins C, Bernstein JA. Chronic Rhinosinusitis With Nasal Polyps: Quality of Life in the Biologics Era. THE JOURNAL OF ALLERGY AND CLINICAL IMMUNOLOGY. IN PRACTICE 2022; 10:1434-1453.e9. [PMID: 35306180 DOI: 10.1016/j.jaip.2022.03.002] [Citation(s) in RCA: 29] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/06/2021] [Revised: 03/04/2022] [Accepted: 03/08/2022] [Indexed: 06/14/2023]
Abstract
Chronic rhinosinusitis (CRS) affects up to 12% of the general population and is traditionally divided into two main phenotypic subsets, based on the presence of nasal polyps (CRSwNP) or their absence. It is well-established that many patients with CRSwNP report poor quality of life (QoL), which is further compromised by comorbidities (eg, asthma, bronchiectasis, aspirin-exacerbated respiratory disease). Chronic rhinosinusitis CRS with nasal polyps is managed with a combination of medical therapy and surgical interventions, and biologics are emerging as a promising new treatment option for patients with inadequate response to the standard of care. A range of patient-reported outcome measures have been used to assess QoL for patients with CRSwNP in clinical trials, including disease-specific questionnaires (eg, Sino-Nasal Outcome Test-22) and generic ones (eg, Short Form-36). Significantly impaired QoL has been identified as a criterion for the indication to use biologics in patients with CRSwNP. This review summarizes clinical evidence (2010-2021) on QoL outcomes with currently available treatments for CRSwNP and assesses the improvement in QoL after biologic treatments, especially for patients with comorbidities reported in interventional studies (randomized controlled trials and real-world experience).
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Affiliation(s)
- Joaquim Mullol
- Clinical and Experimental Respiratory Immunoallergy, Hospital Clinic Barcelona, Instituto de Investigaciones Biomédicas August Pi i Sunyer, Universidad de Barcelona, Centro Investigación Biomédica En Red Enfermedades Respiratorias, Barcelona, Spain.
| | - Antoine Azar
- Division of Allergy and Clinical Immunology, Johns Hopkins School of Medicine, Baltimore, Md
| | - Kathleen M Buchheit
- AERD Center, Allergy and Immunology, Brigham and Women's Hospital, Harvard Medical School, Boston, Mass
| | - Claire Hopkins
- Guy's and St Thomas NHS Foundation Trust, London, United Kingdom
| | - Jonathan A Bernstein
- Department of Internal Medicine, University of Cincinnati College of Medicine, Cincinnati, Ohio
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Chronic Rhinosinusitis and COVID-19. THE JOURNAL OF ALLERGY AND CLINICAL IMMUNOLOGY. IN PRACTICE 2022; 10:1423-1432. [PMID: 35307579 PMCID: PMC8926942 DOI: 10.1016/j.jaip.2022.03.003] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/20/2021] [Revised: 03/03/2022] [Accepted: 03/03/2022] [Indexed: 02/07/2023]
Abstract
The COVID-19 pandemic has raised awareness about olfactory dysfunction, although a loss of smell was present in the general population before COVID-19. Chronic rhinosinusitis (CRS) is a common upper airway chronic inflammatory disease that is also one of the most common causes of olfactory dysfunction. It can be classified into different phenotypes (ie, with and without nasal polyps) and endotypes (ie, type 2 and non-type 2 inflammation). However, scientific information regarding CRS within the context of COVID-19 is still scarce. This review focuses on (1) the potential effects of severe acute respiratory syndrome coronavirus 2 infection on CRS symptoms, including a loss of smell, and comorbidities; (2) the pathophysiologic mechanisms involved in the olfactory dysfunction; (3) CRS diagnosis in the context of COVID-19, including telemedicine; (4) the protective hypothesis of CRS in COVID-19; and (5) the efficacy and safety of therapeutic options for CRS within the context of COVID-19.
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Kentab OY, Ibrahim AAA, Soliman KR, Alanazi M, Alsunaid A, Ababtain A, Alresseeni AI, Algarni A, Aljohani K, Aljahany M. Testing for anosmia and ageusia in patients presenting to the emergency department with suspected coronavirus disease 2019 in Saudi Arabia. J Int Med Res 2022; 50:3000605221096280. [PMID: 35510652 PMCID: PMC9083050 DOI: 10.1177/03000605221096280] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Objective This study investigated the role of objective olfactory dysfunction (OD) and gustatory dysfunction (GD) testing among patients with suspected coronavirus disease 2019 (COVID-19) who presented with respiratory symptoms. Methods A prospective, blinded, observational study was conducted in the emergency units of two tertiary hospitals. Participants were asked to identify scents in the pocket smell test (PST) and flavors in four different solutions in the gustatory dysfunction test (GDT). We assessed the level of agreement between objective findings and self-reported symptoms. We evaluated the diagnostic accuracy of chemosensory dysfunction for diagnosing severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection. Results Of 250 participants, 74 (29.6%) were SARS-CoV-2-positive. There was slight agreement between self-reported symptoms and objective findings (kappa = 0.13 and 0.10 for OD and GD, respectively). OD assessed by the PST was independently associated with COVID-19 (adjusted odds ratio = 1.89, 95% confidence interval, 1.04–3.46). This association was stronger when OD was combined with objective GD, cough, and fever (adjusted odds ratio = 7.33, 95% confidence interval, 1.17–45.84). Conclusions Neither the PST nor GDT alone are useful screening tools for COVID-19. However, a diagnostic scale based on objective OD, GD, fever, and cough may help triage patients with suspected COVID-19.
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Affiliation(s)
- Osama Y Kentab
- Emergency Department, King Abdullah Bin Abdulaziz University Hospital, Princess Nourah Bint Abdulrahman University, Riyadh, Saudi Arabia
| | - Ahmad A Al Ibrahim
- Emergency Department, King Abdullah Bin Abdulaziz University Hospital, Princess Nourah Bint Abdulrahman University, Riyadh, Saudi Arabia
| | - Khaled R Soliman
- Emergency Department, King Abdullah Bin Abdulaziz University Hospital, Princess Nourah Bint Abdulrahman University, Riyadh, Saudi Arabia
| | - Marzooqah Alanazi
- Prince Mohammed Bin Abdulaziz Hospital, Ministry of Health, Riyadh, Saudi Arabia
| | - Ahmed Alsunaid
- Emergency Department, King Abdullah Bin Abdulaziz University Hospital, Princess Nourah Bint Abdulrahman University, Riyadh, Saudi Arabia
| | - Abdalmohsen Ababtain
- Emergency Department, King Abdullah Bin Abdulaziz University Hospital, Princess Nourah Bint Abdulrahman University, Riyadh, Saudi Arabia
| | - Abdulaziz I Alresseeni
- Emergency Department, King Abdullah Bin Abdulaziz University Hospital, Princess Nourah Bint Abdulrahman University, Riyadh, Saudi Arabia
| | - Abdulaziz Algarni
- Emergency Department, King Abdullah Bin Abdulaziz University Hospital, Princess Nourah Bint Abdulrahman University, Riyadh, Saudi Arabia
| | - Khlalid Aljohani
- Emergency Department, King Abdullah Bin Abdulaziz University Hospital, Princess Nourah Bint Abdulrahman University, Riyadh, Saudi Arabia
| | - Muna Aljahany
- Clinical Sciences Department, College of Medicine, Princess Nourah Bint Abdulrahman University, Riyadh, Saudi Arabia
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Byaruhanga R, Kabagenyi F, Kagga DS, Ndoleriire C, Kamulegeya A, Ssemwogerere L, Kiguba R, Kirenga B, Kakande E. Smell and Taste Symptoms Among Patients With Mild and Moderately Severe COVID-19 Infection in Uganda. OTO Open 2022; 6:2473974X221108357. [PMID: 35794964 PMCID: PMC9251986 DOI: 10.1177/2473974x221108357] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2022] [Accepted: 05/09/2022] [Indexed: 11/30/2022] Open
Abstract
Objective Patients with coronavirus disease 2019 (COVID-19) may present with smell/taste dysfunctions in addition to the most frequent symptoms (fever, cough, and shortness of breath) or as the first symptom or even the only symptom. There is paucity of documentation of prevalence and characteristics of smell/taste dysfunction in COVID-19 in sub-Saharan Africa. The aim of this study was to determine the prevalence of smell/taste symptoms in our setting to institute local evidence-based practice. Study Design Cross-sectional study. Setting COVID-19 treatment centers in Uganda. Methods Patients hospitalized for COVID-19 at 3 treatment sites from November 2020 to March 2021 were recruited. Following written informed consent, their demographics, comorbidities, and smell/taste symptoms data were collected using a questionnaire. Results Of 614 patients recruited, 409 (63.8%) had mild symptoms and 232 (36.2%) had moderate to severe symptoms; 64.3% were male, and the mean age was 48.6 ± 15.51 years. In total, 23.1% were health responders and 12.2% had contact with a positive case. Smell and taste impairment was seen in 425 (66.3%) patients, second to cough (71.6%). Smell and taste impairment was seen in 162 (38.1%) as the first symptom, in 128 (30%) as the only symptom, and significantly more in those with mild COVID-19 symptoms (P < .001). Conclusion COVID-19 manifests with various symptoms, including impairment of smell and taste. This study shows that smell and taste impairment is common and can be the first and only symptom in less severe COVID-19 infections. Therefore, inclusion in the Ministry of Health guidelines is strongly recommended.
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Affiliation(s)
- Richard Byaruhanga
- Department of Ear Nose and Throat, Uganda Christian University, Mukono, Uganda
| | - Fiona Kabagenyi
- Department of Ear Nose and Throat, Makerere University, Kampala, Uganda
| | | | | | - Adriane Kamulegeya
- Department of Oro-maxillofacial Surgery, Makerere University, Kampala, Uganda
| | | | - Ronald Kiguba
- Department of Pharmacology, Makerere University, Kampala, Uganda
| | - Bruce Kirenga
- Lung Institute, Makerere University, Kampala, Uganda
| | - Emily Kakande
- Department of Ear, Nose and Throat, Mulago National Referral Hospital, Kampala, Uganda
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Balasubramanian N, James TD, Pushpavathi SG, Marcinkiewcz CA. Repeated ethanol exposure and withdrawal alters ACE2 expression in discrete brain regions: Implications for SARS-CoV-2 infection. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2022:2022.03.29.486282. [PMID: 35378747 PMCID: PMC8978936 DOI: 10.1101/2022.03.29.486282] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
Emerging evidence suggests that people with alcohol use disorders are at higher risk for SARS-CoV-2. SARS-CoV-2 engages angiotensin-converting enzyme 2 (ACE2) and transmembrane serine protease 2 (TMPRSS2) receptors for cellular entry. While ACE2 and TMPRSS2 genes are upregulated in the cortex of alcohol-dependent individuals, information on expression in specific brain regions and neural populations implicated in SARS-CoV-2 neuroinvasion, particularly monoaminergic neurons, is limited. We sought to clarify how chronic alcohol exposure affects ACE2 and TMPRSS2 expression in monoaminergic brainstem circuits and other putative SARS-CoV-2 entry points. C57BL/6J mice were exposed to chronic intermittent ethanol (CIE) vapor for 4 weeks and brains were examined using immunofluorescence. We observed increased ACE2 levels in the olfactory bulb and hypothalamus following CIE, which are known to mediate SARS-CoV-2 neuroinvasion. Total ACE2 immunoreactivity was also elevated in the raphe magnus (RMG), raphe obscurus (ROB), and locus coeruleus (LC), while in the dorsal raphe nucleus (DRN), ROB, and LC we observed increased colocalization of ACE2 with monoaminergic neurons. ACE2 also increased in the periaqueductal gray (PAG) and decreased in the amygdala. Whereas ACE2 was detected in most brain regions, TMPRSS2 was only detected in the olfactory bulb and DRN but was not significantly altered after CIE. Our results suggest that previous alcohol exposure may increase the risk of SARS-CoV-2 neuroinvasion and render brain circuits involved in cardiovascular and respiratory function as well as emotional processing more vulnerable to infection, making adverse outcomes more likely. Additional studies are needed to define a direct link between alcohol use and COVID-19 infection.
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Affiliation(s)
| | - Thomas D James
- Department of Neuroscience and Pharmacology, University of Iowa, Iowa City, IA-52242, USA
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Putative Role of the Lung-Brain Axis in the Pathogenesis of COVID-19-Associated Respiratory Failure: A Systematic Review. Biomedicines 2022; 10:biomedicines10030729. [PMID: 35327531 PMCID: PMC8944980 DOI: 10.3390/biomedicines10030729] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2022] [Revised: 03/08/2022] [Accepted: 03/09/2022] [Indexed: 01/08/2023] Open
Abstract
The emergence of SARS-CoV-2 and its related disease caused by coronavirus (COVID-19) has posed a huge threat to the global population, with millions of deaths and the creation of enormous social and healthcare pressure. Several studies have shown that besides respiratory illness, other organs may be damaged as well, including the heart, kidneys, and brain. Current evidence reports a high frequency of neurological manifestations in COVID-19, with significant prognostic implications. Importantly, emerging literature is showing that the virus may spread to the central nervous system through neuronal routes, hitting the brainstem and cardiorespiratory centers, potentially exacerbating the respiratory illness. In this systematic review, we searched public databases for all available evidence and discuss current clinical and pre-clinical data on the relationship between the lung and brain during COVID-19. Acknowledging the involvement of these primordial brain areas in the pathogenesis of the disease may fuel research on the topic and allow the development of new therapeutic strategies.
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AbuRuz S, Al-Azayzih A, ZainAlAbdin S, Beiram R, Al Hajjar M. Clinical characteristics and risk factors for mortality among COVID-19 hospitalized patients in UAE: Does ethnic origin have an impact. PLoS One 2022; 17:e0264547. [PMID: 35235580 PMCID: PMC8890645 DOI: 10.1371/journal.pone.0264547] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2021] [Accepted: 02/12/2022] [Indexed: 01/08/2023] Open
Abstract
Background The relationship between COVID-19 patient’s clinical characteristics and disease manifestation remains incompletely understood. The impact of ethnicity on mortality of patients with COVID-19 infection is poorly addressed in the literature. Emerging evidence suggests that many risk factors are related to symptoms severity and mortality risk, emphasizing the necessity of fulfilling this knowledge gap that may help reducing mortality from COVID-19 infections through tackling the risk factors. Aims To explore epidemiological and demographic characteristics of hospitalized COVID-19 patients from different ethnic origins living in the UAE, compare them to findings reported across the globe and determine the impact of these characteristics and ethnicity on mortality during hospitalization. Methods A single center, retrospective chart review study of hospitalized COVID-19 patients was conducted in a large COVID-19 referral hospital in UAE. The following outcomes were assessed: patients’ clinical characteristics, disease symptoms and severity, and association of ethnicity and other risk factors on 30-day in hospital mortality. Results A total of 3296 patients were recruited in this study with an average age of 44.3±13.4 years old. Preliminary data analysis indicated that 78.3% (n = 2582) of cases were considered mild. Average duration of hospital stay was 6.0±7.3 days and 4.3% (n = 143) were admitted to ICU. The most frequently reported symptoms were cough (32.6%, n = 1075) and fever (22.2%, n = 731). The 30-day mortality rate during hospitalization was 2.7% (n = 90). Many risk factors were associated with mortality during hospitalization including: age, respiratory rate (RR), creatinine, and C-reactive protein, oxygen saturation (SaO2), hemoglobin, hematocrit, ferritin, creatinine, C-reactive protein, anemia, COPD, Chronic kidney disease, dyslipidemia, Vitamin-D Deficiency, and ethnic origin (p <0.05). Multiple logistic regression analysis showed that higher mortality rates during hospitalization was associated with anemia, chronic obstructive pulmonary disease (COPD), chronic kidney disease, and Middle Eastern origin (p<0.05). Conclusion The results indicated that most COVID-19 cases were mild and morality rate was low compared to worldwide reported mortality. Mortality rate during hospitalization was higher in patients from Middle East origin with preexisting comorbidities especially anemia, COPD, and chronic kidney disease. Due to the relatively small number of mortality cases, other identified risk factors from univariate analysis such as age, respiratory rate, and Vitamin-D (VitD) deficiency should also be taken into consideration. It is crucial to stratify patients on admission based on these risk factors to help decide intensity and type of treatment which, possibly, will reduce the risk of death.
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Affiliation(s)
- Salah AbuRuz
- Department of Pharmacology and Therapeutics, College of Medicine and Health Sciences, The United Arab Emirates University, Al Ain, United Arab Emirates
- Department of Clinical Pharmacy, Faculty of Pharmacy, The University of Jordan, Amman, Jordan
- * E-mail:
| | - Ahmad Al-Azayzih
- Department of Clinical Pharmacy, Faculty of Pharmacy, Jordan University of Science and Technology, Irbid, Jordan
| | - Sham ZainAlAbdin
- Department of Pharmacology and Therapeutics, College of Medicine and Health Sciences, The United Arab Emirates University, Al Ain, United Arab Emirates
| | - Rami Beiram
- Department of Pharmacology and Therapeutics, College of Medicine and Health Sciences, The United Arab Emirates University, Al Ain, United Arab Emirates
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Sharma P, Malik S, Wadhwan V, Gotur Palakshappa S, Singh R. Prevalence of oral manifestations in COVID-19: A systematic review. Rev Med Virol 2022; 32:e2345. [PMID: 35271738 PMCID: PMC9111150 DOI: 10.1002/rmv.2345] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Revised: 02/21/2022] [Accepted: 02/26/2022] [Indexed: 12/16/2022]
Abstract
Coronavirus disease 2019 (COVID-19) is a novel disease caused by a newly identified virus Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) causing diverse systemic manifestations. The oral cavity too is not spared and the symptoms appear either independently, concurrently, or sequentially. In view of the rising documented cases of oral lesions of COVID-19, this systematic review aims to assess the prevalence of oral manifestations in COVID-19 confirmed individuals. An extensive literature search was conducted in databases like Scopus, Pubmed/Medline, Livivo, Lilacs and Google Scholar and varied oral signs and symptoms were reported as per the PRISMA guidelines. Studies published in English language literature only were included and were subjected to the risk of bias using the Joana Briggs Institute Appraisal tools for prevalence studies, case series and case reports. In a two-phase selection, 34 studies were included: 21 observational, 3 case-series and 10 case reports. These observational studies included approximately 14,003 patients from 10 countries. In this review, we explored the most commonly encountered oral and dental manifestations in COVID-19 and identified that loss of taste acuity, xerostomia and anosmia were frequently reported. Elevated incidence of opportunistic infections like mucormycosis and aspergillosis were reported during the treatment due to prolonged intake of steroids. Immunosuppression and poor oral hygiene led to secondary manifestations like enanthematous lesions. However, it is not clear that oral signs and symptoms are due to COVID-19 infection itself or are the result of extensive treatment regimen followed [PROSPERO CRD42021258264].
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Affiliation(s)
- Preeti Sharma
- Department of Oral & Maxillofacial Pathology & Oral Microbiology, Subharti Dental College and Hospital, Swami Vivekanand Subharti University, Meerut, Uttar Pradesh, India
| | - Sangeeta Malik
- Department of Oral Medicine & Radiology, Subharti Dental College and Hospital, Swami Vivekanand Subharti University, Meerut, Uttar Pradesh, India
| | - Vijay Wadhwan
- Department of Oral & Maxillofacial Pathology & Oral Microbiology, Subharti Dental College and Hospital, Swami Vivekanand Subharti University, Meerut, Uttar Pradesh, India
| | - Suhasini Gotur Palakshappa
- Department of Oral & Maxillofacial Pathology & Oral Microbiology, Subharti Dental College and Hospital, Swami Vivekanand Subharti University, Meerut, Uttar Pradesh, India
| | - Roli Singh
- Department of Oral & Maxillofacial Pathology & Oral Microbiology, Subharti Dental College and Hospital, Swami Vivekanand Subharti University, Meerut, Uttar Pradesh, India
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Cavezzi A, Menicagli R, Troiani E, Corrao S. COVID-19, Cation Dysmetabolism, Sialic Acid, CD147, ACE2, Viroporins, Hepcidin and Ferroptosis: A Possible Unifying Hypothesis. F1000Res 2022; 11:102. [PMID: 35340277 PMCID: PMC8921693 DOI: 10.12688/f1000research.108667.2] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 02/17/2022] [Indexed: 12/15/2022] Open
Abstract
Background: iron and calcium dysmetabolism, with hyperferritinemia, hypoferremia, hypocalcemia and anemia have been documented in the majority of COVID-19 patients at later/worse stages. Furthermore, complementary to ACE2, both sialic acid (SA) molecules and CD147 proved relevant host receptors for SARS-CoV-2 entry, which explains the viral attack to multiple types of cells, including erythrocytes, endothelium and neural tissue. Several authors advocated that cell ferroptosis may be the core and final cell degenerative mechanism. Methods: a literature research was performed in several scientific search engines, such as PubMed Central, Cochrane Library, Chemical Abstract Service. More than 500 articles were retrieved until mid-December 2021, to highlight the available evidence about the investigated issues. Results: based on COVID-19 literature data, we have highlighted a few pathophysiological mechanisms, associated with virus-based cation dysmetabolism, multi-organ attack, mitochondria degeneration and ferroptosis. Our suggested elucidated pathological sequence is: a) spike protein subunit S1 docking with sialylated membrane glycoproteins/receptors (ACE2, CD147), and S2 subunit fusion with the lipid layer; b) cell membrane morpho-functional changes due to the consequent electro-chemical variations and viroporin action, which induce an altered ion channel function and intracellular cation accumulation; c) additional intracellular iron concentration due to a deregulated hepcidin-ferroportin axis, with higher hepcidin levels. Viral invasion may also affect erythrocytes/erythroid precursors, endothelial cells and macrophages, through SA and CD147 receptors, with relative hemoglobin and iron/calcium dysmetabolism. AB0 blood group, hemochromatosis, or environmental elements may represent possible factors which affect individual susceptibility to COVID-19. Conclusions: our literature analysis confirms the combined role of SA molecules, ACE2, CD147, viroporins and hepcidin in determining the cation dysmetabolism and final ferroptosis in the cells infected by SARS-CoV-2. The altered ion channels and electrochemical gradients of the cell membrane have a pivotal role in the virus entry and cell dysmetabolism, with subsequent multi-organ immune-inflammatory degeneration and erythrocyte/hemoglobin alterations.
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Affiliation(s)
- Attilio Cavezzi
- Eurocenter Venalinfa, San Benedetto del Tronto, AP, 63074, Italy
| | | | - Emidio Troiani
- Cardiology Unit, Social Security Institute, State Hospital, Cailungo, 47893, San Marino
| | - Salvatore Corrao
- Department of Clinical Medicine, Internal Medicine Division,, ARNAS Civico Di Cristina Benfratelli Hospital Trust, Palermo, Italy
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Bakour M, Laaroussi H, Ousaaid D, El Ghouizi A, Es-safi I, Mechchate H, Lyoussi B. New Insights into Potential Beneficial Effects of Bioactive Compounds of Bee Products in Boosting Immunity to Fight COVID-19 Pandemic: Focus on Zinc and Polyphenols. Nutrients 2022; 14:nu14050942. [PMID: 35267917 PMCID: PMC8912813 DOI: 10.3390/nu14050942] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2022] [Revised: 02/16/2022] [Accepted: 02/20/2022] [Indexed: 02/01/2023] Open
Abstract
The coronavirus disease 2019 (COVID-19) is an epidemic caused by SARS-CoV-2 (severe acute respiratory syndrome coronavirus 2). Populations at risk as well as those who can develop serious complications are people with chronic diseases such as diabetes, hypertension, and the elderly. Severe symptoms of SARS-CoV-2 infection are associated with immune failure and dysfunction. The approach of strengthening immunity may be the right choice in order to save lives. This review aimed to provide an overview of current information revealing the importance of bee products in strengthening the immune system against COVID-19. We highlighted the immunomodulatory and the antiviral effects of zinc and polyphenols, which may actively contribute to improving symptoms and preventing complications caused by COVID-19 and can counteract viral infections. Thus, this review will pave the way for conducting advanced experimental research to evaluate zinc and polyphenols-rich bee products to prevent and reduce the severity of COVID-19 symptoms.
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Affiliation(s)
- Meryem Bakour
- Laboratory of Natural Substances, Pharmacology, Environment, Modeling, Health, and Quality of Life (SNAMOPEQ), Faculty of Sciences Dhar El Mahraz, University Sidi Mohamed Ben Abdellah, Fez 30000, Morocco; (M.B.); (H.L.); (D.O.); (A.E.G.); (B.L.)
| | - Hassan Laaroussi
- Laboratory of Natural Substances, Pharmacology, Environment, Modeling, Health, and Quality of Life (SNAMOPEQ), Faculty of Sciences Dhar El Mahraz, University Sidi Mohamed Ben Abdellah, Fez 30000, Morocco; (M.B.); (H.L.); (D.O.); (A.E.G.); (B.L.)
| | - Driss Ousaaid
- Laboratory of Natural Substances, Pharmacology, Environment, Modeling, Health, and Quality of Life (SNAMOPEQ), Faculty of Sciences Dhar El Mahraz, University Sidi Mohamed Ben Abdellah, Fez 30000, Morocco; (M.B.); (H.L.); (D.O.); (A.E.G.); (B.L.)
| | - Asmae El Ghouizi
- Laboratory of Natural Substances, Pharmacology, Environment, Modeling, Health, and Quality of Life (SNAMOPEQ), Faculty of Sciences Dhar El Mahraz, University Sidi Mohamed Ben Abdellah, Fez 30000, Morocco; (M.B.); (H.L.); (D.O.); (A.E.G.); (B.L.)
| | - Imane Es-safi
- Laboratory of Inorganic Chemistry, Department of Chemistry, University of Helsinki, P.O. Box 55, FI-00014 Helsinki, Finland;
| | - Hamza Mechchate
- Laboratory of Inorganic Chemistry, Department of Chemistry, University of Helsinki, P.O. Box 55, FI-00014 Helsinki, Finland;
- Correspondence:
| | - Badiaa Lyoussi
- Laboratory of Natural Substances, Pharmacology, Environment, Modeling, Health, and Quality of Life (SNAMOPEQ), Faculty of Sciences Dhar El Mahraz, University Sidi Mohamed Ben Abdellah, Fez 30000, Morocco; (M.B.); (H.L.); (D.O.); (A.E.G.); (B.L.)
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Abstract
Objective COVID-19 may cause an anorexic situation. This in turn leads to underfeeding, puts the patient in an energy protein malnutrition state, develops the hyperinflammation, weakens the immunity, and makes COVID-19 conditions more dangerous. Meanwhile, the more severe inflammation conditions in the body, the more severe the anorexia, which in turn affect the disease severity. Studies evaluating appetite in COVID-19 patients are very rare; therefore, we evaluated anorexia and analyzed the related factors in patients with COVID-19. Material and methods In this cross sectional study, adult patients’ ≥18 years old with the positive real-time fluorescence polymerase chain reaction for COVID-19 were included. The patients were classified as mild, moderate, and severe based on the WHO classification. We measured the appetite score, weight, height, body mass index (BMI), depression and anxiety score, at admission for every patient. Results A total of 301 patients participated in the study. The prevalence of admission anorexia was 58%, and this rate was significantly more in the severe group compared to the mild and moderate groups (P < 0.001). Comorbidities, depression and anxiety were independently correlated with anorexia risk [(OR = 3.6, 95% CI 1.68–7.70, P = 0.001), (OR = 1.23, 95% CI 1.16–1.30, P < 0001), and (OR = 1.24, 95% CI 1.17–1.31, P < 0001)], respectively. This correlation was adherence to a U-shape association for BMI, which means BMI < 18.5 (OR = 3.35, 95% CI 1.8–10.42, P < 0001) and BMI ≥30 (OR = 2.45, 95% CI 1.02–6.53, P = 0.048) were related to higher risk of anorexia. Conclusion We reported a high prevalence of anorexia (58%) in COVID-19 patients, which was positively correlated with disease severity. Furthermore, any factor worsening inflammatory state, including underweight, obesity, comorbidities, depression and anxiety can exacerbate anorexia in these patients.
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Exploring Determinants of Exercise-Related Affective Valence in Regular Exercisers Between the Ages of 55 and 69 Years. J Aging Phys Act 2022; 31:440-452. [DOI: 10.1123/japa.2022-0064] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2022] [Revised: 08/22/2022] [Accepted: 08/28/2022] [Indexed: 11/05/2022]
Abstract
This study aimed to understand determinants of recalled in-task affective valence experienced during a regularly performed aerobic bout in adult exercisers aged 55+. Qualitative data were collected (January to March, 2021, during the COVID-19 pandemic) using interviews wherein individuals (N = 16, 69% women, 61 ± 5 years) recalled deviations in affective valence in response to a regularly completed bout. Using thematic analyses, two themes emerged regarding how COVID-19 impacted regular exercise behaviors: (a) “loss” and (b) “adaptation.” Two themes encompassed the determinants of recalled in-task affective valence: (a) “person-specific conditions” and (b) “external conditions.” Finally, an increase in duration/intensity during a pleasant session was indicated by 44% of the participants, while 75% indicated a decrease in duration/intensity during an unpleasant session. The participants indicated that affective valence was determined by previously cited and novel factors that relate to exercise performed in naturalistic environments. Volitional modifications to planned exercise volume appear more responsive to feelings of displeasure.
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Krey L, Huber MK, Höglinger GU, Wegner F. Can SARS-CoV-2 Infection Lead to Neurodegeneration and Parkinson's Disease? Brain Sci 2021; 11:1654. [PMID: 34942956 PMCID: PMC8699589 DOI: 10.3390/brainsci11121654] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2021] [Revised: 12/08/2021] [Accepted: 12/16/2021] [Indexed: 12/12/2022] Open
Abstract
The SARS-CoV-2 pandemic has affected the daily life of the worldwide population since 2020. Links between the newly discovered viral infection and the pathogenesis of neurodegenerative diseases have been investigated in different studies. This review aims to summarize the literature concerning COVID-19 and Parkinson's disease (PD) to give an overview on the interface between viral infection and neurodegeneration with regard to this current topic. We will highlight SARS-CoV-2 neurotropism, neuropathology and the suspected pathophysiological links between the infection and neurodegeneration as well as the psychosocial impact of the pandemic on patients with PD. Some evidence discussed in this review suggests that the SARS-CoV-2 pandemic might be followed by a higher incidence of neurodegenerative diseases in the future. However, the data generated so far are not sufficient to confirm that COVID-19 can trigger or accelerate neurodegenerative diseases.
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Affiliation(s)
- Lea Krey
- Department of Neurology, Hannover Medical School, Carl-Neuberg-Straße 1, 30625 Hannover, Germany; (M.K.H.); (G.U.H.); (F.W.)
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Could smell and taste dysfunction in COVID-19 patients be a sign of the clinical course of the disease? THE EGYPTIAN JOURNAL OF OTOLARYNGOLOGY 2021. [PMCID: PMC8501366 DOI: 10.1186/s43163-021-00169-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
Background It could be of great benefit to determine smell and taste dysfunction in COVID-19 patients and to investigate the relationship between these symptoms and clinical characteristics as the determination of points requiring attention during the clinical course of the disease. Method Evaluations of patients diagnosed with COVID-19 were made using a questionnaire method. Those with smell and taste dysfunction completed a visual analog scale (VAS) to determine severity. The patients were evaluated at the end of 1 and 2 months. Results Evaluation was made of a total of 105 patients with a mean age of 55.9±17.6 years. Smell and taste dysfunction was present in 56 (53.3%) patients with a mean age of 48.7±17.6 years and the 49 (46.7%) patients with no smell and taste dysfunction had a mean age of 64±13.6 years. It was determined that as age increased, the complaints of smell and taste dysfunction decreased. Full recovery was determined in 31 (55%) patients after 1 month, and in 16 (28%) patients, smell and taste dysfunction continued at the end of the second month. The symptoms of smell and taste dysfunction were determined to last longer in patients with no comorbidities, no symptoms of fever or shortness of breath, and those treated as outpatients (p=0.043, p=0.031, p=0.034, p=0.028, respectively). In the older age patient group, the VAS scores were observed to be higher and the time to recovery was shorter (p=0.007, p=0.018, respectively). Conclusion Smell and taste dysfunction in COVID-19 patients is seen more as age decreases and recovery takes longer. Smell and taste dysfunction is seen more in patients with symptoms of cough, nasal obstruction, and headache and lasts longer in patients without symptoms of fever and shortness of breath, with no comorbidities and in those treated as outpatients.
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Larsen JR, Martin MR, Martin JD, Hicks JB, Kuhn P. Modeling the onset of symptoms of COVID-19: Effects of SARS-CoV-2 variant. PLoS Comput Biol 2021; 17:e1009629. [PMID: 34914688 PMCID: PMC8675677 DOI: 10.1371/journal.pcbi.1009629] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2021] [Accepted: 11/10/2021] [Indexed: 12/28/2022] Open
Abstract
Identifying order of symptom onset of infectious diseases might aid in differentiating symptomatic infections earlier in a population thereby enabling non-pharmaceutical interventions and reducing disease spread. Previously, we developed a mathematical model predicting the order of symptoms based on data from the initial outbreak of SARS-CoV-2 in China using symptom occurrence at diagnosis and found that the order of COVID-19 symptoms differed from that of other infectious diseases including influenza. Whether this order of COVID-19 symptoms holds in the USA under changing conditions is unclear. Here, we use modeling to predict the order of symptoms using data from both the initial outbreaks in China and in the USA. Whereas patients in China were more likely to have fever before cough and then nausea/vomiting before diarrhea, patients in the USA were more likely to have cough before fever and then diarrhea before nausea/vomiting. Given that the D614G SARS-CoV-2 variant that rapidly spread from Europe to predominate in the USA during the first wave of the outbreak was not present in the initial China outbreak, we hypothesized that this mutation might affect symptom order. Supporting this notion, we found that as SARS-CoV-2 in Japan shifted from the original Wuhan reference strain to the D614G variant, symptom order shifted to the USA pattern. Google Trends analyses supported these findings, while weather, age, and comorbidities did not affect our model's predictions of symptom order. These findings indicate that symptom order can change with mutation in viral disease and raise the possibility that D614G variant is more transmissible because infected people are more likely to cough in public before being incapacitated with fever.
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Affiliation(s)
- Joseph R. Larsen
- Quantitative and Computational Biology, Department of Biological Science, University of Southern California, Los Angeles, California, United States of America
- Convergent Science Institute in Cancer, Michelson Center for Convergent Bioscience, University of Southern California, Los Angeles, California, United States of America
| | - Margaret R. Martin
- Department of Computer Science, Tufts University, Medford, Massachusetts, United States of America
| | - John D. Martin
- Materia Therapeutics, Las Vegas, Nevada, United States of America
| | - James B. Hicks
- Convergent Science Institute in Cancer, Michelson Center for Convergent Bioscience, University of Southern California, Los Angeles, California, United States of America
| | - Peter Kuhn
- Convergent Science Institute in Cancer, Michelson Center for Convergent Bioscience, University of Southern California, Los Angeles, California, United States of America
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Pang KW, Tham SL, Ng LS. Exploring the Clinical Utility of Gustatory Dysfunction (GD) as a Triage Symptom Prior to Reverse Transcription Polymerase Chain Reaction (RT-PCR) in the Diagnosis of COVID-19: A Meta-Analysis and Systematic Review. Life (Basel) 2021; 11:1315. [PMID: 34947846 PMCID: PMC8706269 DOI: 10.3390/life11121315] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2021] [Revised: 11/25/2021] [Accepted: 11/25/2021] [Indexed: 12/14/2022] Open
Abstract
BACKGROUND The diagnosis of COVID-19 is made using reverse transcription polymerase chain reaction (RT-PCR) but its sensitivity varies from 20 to 100%. The presence of gustatory dysfunction (GD) in a patient with upper respiratory tract symptoms might increase the clinical suspicion of COVID-19. AIMS To perform a systematic review and meta-analysis to determine the pooled sensitivity, specificity, positive likelihood ratio (LR+), negative likelihood ratio (LR-) and diagnostic odds ratio (DOR) of using GD as a triage symptom prior to RT-PCR. METHODS PubMed and Embase were searched up to 20 June 2021. Studies published in English were included if they compared the frequency of GD in COVID-19 adult patients (proven by RT-PCR) to COVID-19 negative controls in case control or cross-sectional studies. The Newcastle-Ottawa scale was used to assess the methodological quality of the included studies. RESULTS 21,272 COVID-19 patients and 52,298 COVID-19 negative patients were included across 44 studies from 21 countries. All studies were of moderate to high risk of bias. Patients with GD were more likely to test positive for COVID-19: DOR 6.39 (4.86-8.40), LR+ 3.84 (3.04-4.84), LR- 0.67 (0.64-0.70), pooled sensitivity 0.37 (0.29-0.47) and pooled specificity 0.92 (0.89-0.94). While history/questionnaire-based assessments were predictive of RT-PCR positivity (DOR 6.62 (4.95-8.85)), gustatory testing was not (DOR 3.53 (0.98-12.7)). There was significant heterogeneity among the 44 studies (I2 = 92%, p < 0.01). CONCLUSIONS GD is useful as a symptom to determine if a patient should undergo further testing, especially in resource-poor regions where COVID-19 testing is scarce. Patients with GD may be advised to quarantine while repeated testing is performed if the initial RT-PCR is negative. FUNDING None.
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Affiliation(s)
- Khang Wen Pang
- Department of Otolaryngology-Head and Neck Surgery, National University Hospital, Singapore 119228, Singapore; (S.-L.T.); (L.S.N.)
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Antwi J, Appiah B, Oluwakuse B, Abu BAZ. The Nutrition-COVID-19 Interplay: a Review. Curr Nutr Rep 2021; 10:364-374. [PMID: 34837637 PMCID: PMC8627159 DOI: 10.1007/s13668-021-00380-2] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/10/2021] [Indexed: 02/08/2023]
Abstract
Purpose of Review Nutritional status is affected by the COVID-19 pandemic, directly or indirectly. Even with the recent rollout of the coronavirus disease 2019 (COVID-19) vaccines and availability of medicines such as remdesivir, and monoclonal antibodies, host nutritional status is pivotal in the fight against the acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection and outcomes. The purpose of this review is to discuss the effects of COVID-19-related lockdown on lifestyle behaviors, and the nutritional consequences, and the direct sequelae of the infection on nutrition including potential nutritional interventions. Recent Findings The COVID-19-related lockdown imposed radical changes in lifestyle behaviors with considerable short-term and long-term health and nutritional consequences including weight gain and obesity and increased cardiometabolic risk, consistently linked to worsened prognosis. The extent of the impact was dependent on food insecurity, overall stress and disordered eating, physical inactivity, and exposure to COVID-19-related nutrition information sources. COVID-19 could directly induce inflammatory responses and poor nutrient intake and absorption leading to undernutrition with micronutrient deficiencies, which impairs immune system function with subsequent amplified risk of infection and disease severity. Nutrition interventions through nutrition support, dietary supplementation, and home remedies such as use of zinc, selenium, vitamin D, and omega-3 fatty acids showed the most significant promise to mitigate the course of COVID-19 infection and improve survival rates. Summary The nutrition-COVID-19 relationship and related dietary changes mimic a vicious cycle of the double burden of malnutrition, both obesity and undernutrition with micronutrient deficiencies, which promote infection, disease progression, and potential death.
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Affiliation(s)
- Janet Antwi
- Department of Agriculture, Nutrition and Human Ecology, Prairie View A&M University, Prairie View, TX, USA.
| | - Bernard Appiah
- Department of Public Health, Syracuse University, Syracuse, NY, USA
| | - Busayo Oluwakuse
- Department of Agriculture, Nutrition and Human Ecology, Prairie View A&M University, Prairie View, TX, USA
| | - Brenda A Z Abu
- Wegmans School of Health and Nutrition, College of Health Sciences and Technology, Rochester Institute of Technology, Rochester, NY, USA
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Liviero F, Campisi M, Mason P, Pavanello S. Transient Receptor Potential Vanilloid Subtype 1: Potential Role in Infection, Susceptibility, Symptoms and Treatment of COVID-19. Front Med (Lausanne) 2021; 8:753819. [PMID: 34805220 PMCID: PMC8599155 DOI: 10.3389/fmed.2021.753819] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2021] [Accepted: 10/08/2021] [Indexed: 12/20/2022] Open
Abstract
The battle against the new coronavirus that continues to kill millions of people will be still long. Novel strategies are demanded to control infection, mitigate symptoms and treatment of COVID-19. This is even more imperative given the long sequels that the disease has on the health of the infected. The discovery that S protein includes two ankyrin binding motifs (S-ARBMs) and that the transient receptor potential vanilloid subtype 1 (TRPV-1) cation channels contain these ankyrin repeat domains (TRPs-ARDs) suggest that TRPV-1, the most studied member of the TRPV channel family, can play a role in binding SARS-CoV-2. This hypothesis is strengthened by studies showing that other respiratory viruses bind the TRPV-1 on sensory nerves and epithelial cells in the airways. Furthermore, the pathophysiology in COVID-19 patients is similar to the effects generated by TRPV-1 stimulation. Lastly, treatment with agonists that down-regulate or inactivate TRPV-1 can have a beneficial action on impaired lung functions and clearance of infection. In this review, we explore the role of the TRPV-1 channel in the infection, susceptibility, pathogenesis, and treatment of COVID-19, with the aim of looking at novel strategies to control infection and mitigate symptoms, and trying to translate this knowledge into new preventive and therapeutic interventions.
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Affiliation(s)
| | | | | | - Sofia Pavanello
- Occupational Medicine, Department of Cardiac, Thoracic, Vascular Sciences and Public Health, University Hospital of Padua, Padova, Italy
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COVID-19 Anosmia: High Prevalence, Plural Neuropathogenic Mechanisms, and Scarce Neurotropism of SARS-CoV-2? Viruses 2021; 13:v13112225. [PMID: 34835030 PMCID: PMC8625547 DOI: 10.3390/v13112225] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Revised: 10/28/2021] [Accepted: 10/30/2021] [Indexed: 12/14/2022] Open
Abstract
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is the causative pathogen of coronavirus disease 2019 (COVID-19). It is known as a respiratory virus, but SARS-CoV-2 appears equally, or even more, infectious for the olfactory epithelium (OE) than for the respiratory epithelium in the nasal cavity. In light of the small area of the OE relative to the respiratory epithelium, the high prevalence of olfactory dysfunctions (ODs) in COVID-19 has been bewildering and has attracted much attention. This review aims to first examine the cytological and molecular biological characteristics of the OE, especially the microvillous apical surfaces of sustentacular cells and the abundant SARS-CoV-2 receptor molecules thereof, that may underlie the high susceptibility of this neuroepithelium to SARS-CoV-2 infection and damages. The possibility of SARS-CoV-2 neurotropism, or the lack of it, is then analyzed with regard to the expression of the receptor (angiotensin-converting enzyme 2) or priming protease (transmembrane serine protease 2), and cellular targets of infection. Neuropathology of COVID-19 in the OE, olfactory bulb, and other related neural structures are also reviewed. Toward the end, we present our perspectives regarding possible mechanisms of SARS-CoV-2 neuropathogenesis and ODs, in the absence of substantial viral infection of neurons. Plausible causes for persistent ODs in some COVID-19 convalescents are also examined.
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Hoang MP, Staibano P, McHugh T, Sommer DD, Snidvongs K. Self-reported olfactory and gustatory dysfunction and psychophysical testing in screening for Covid-19: A systematic review and meta-analysis. Int Forum Allergy Rhinol 2021; 12:744-756. [PMID: 34725952 PMCID: PMC8652821 DOI: 10.1002/alr.22923] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2021] [Revised: 10/28/2021] [Accepted: 10/29/2021] [Indexed: 12/01/2022]
Abstract
Background A substantial proportion of coronavirus disease‐2019 (COVID‐19) patients demonstrate olfactory and gustatory dysfunction (OGD). Self‐reporting for OGD is widely used as a predictor of COVID‐19. Although psychophysical assessment is currently under investigation in this role, the sensitivity of these screening tests for COVID‐19 remains unclear. In this systematic review we assess the sensitivity of self‐reporting and psychophysical tests for OGD. Methods A systematic search was performed on PubMed, EMBASE, and ClinicalTrials.gov from inception until February 16, 2021. Studies of suspected COVID‐19 patients with reported smell or taste alterations were included. Data were pooled for meta‐analysis. Sensitivity, specificity, and diagnostic odds ratio (DOR) were reported in the outcomes. Results In the 50 included studies (42,902 patients), self‐reported olfactory dysfunction showed a sensitivity of 43.9% (95% confidence interval [CI], 37.8%‐50.2%), a specificity of 91.8% (95% CI, 89.0%‐93.9%), and a DOR of 8.74 (95% CI, 6.67‐11.46) for predicting COVID‐19 infection. Self‐reported gustatory dysfunction yielded a sensitivity of 44.9% (95% CI, 36.4%‐53.8%), a specificity of 91.5% (95% CI, 87.7%‐94.3%), and a DOR of 8.83 (95% CI, 6.48‐12.01). Olfactory psychophysical tests analysis revealed a sensitivity of 52.8% (95% CI, 25.5%‐78.6%), a specificity of 88.0% (95% CI, 53.7%‐97.9%), and a DOR of 8.18 (95% CI, 3.65‐18.36). One study used an identification test for gustatory sensations assessment. Conclusion Although demonstrating high specificity and DOR values, neither self‐reported OGD nor unvalidated and limited psychophysical tests were sufficiently sensitive in screening for COVID‐19. They were not suitable adjuncts in ruling out the disease.
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Affiliation(s)
- Minh P Hoang
- Department of Otolaryngology, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand.,Endoscopic Nasal and Sinus Surgery Excellent Center, King Chulalongkorn Memorial Hospital, Bangkok, Thailand.,Department of Otolaryngology, Hue University of Medicine and Pharmacy, Hue University, Vietnam
| | - Phillip Staibano
- Department of Surgery, Division of Otolaryngology, Head and Neck Surgery, McMaster University, Hamilton, ON, Canada
| | - Tobial McHugh
- Department of Surgery, Division of Otolaryngology, Head and Neck Surgery, McMaster University, Hamilton, ON, Canada
| | - Doron D Sommer
- Department of Surgery, Division of Otolaryngology, Head and Neck Surgery, McMaster University, Hamilton, ON, Canada
| | - Kornkiat Snidvongs
- Department of Otolaryngology, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand.,Endoscopic Nasal and Sinus Surgery Excellent Center, King Chulalongkorn Memorial Hospital, Bangkok, Thailand
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Raad RA, Ganti A, Goshtasbi K, Lehrich BM, Papagiannopoulos P, LoSavio P, Mahdavinia M, Kuan EC, Batra PS, Tajudeen BA. Temporal patterns of nasal symptoms in patients with mild severity SARS-CoV-2 infection. Am J Otolaryngol 2021; 42:103076. [PMID: 33915513 PMCID: PMC8064817 DOI: 10.1016/j.amjoto.2021.103076] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2021] [Revised: 04/13/2021] [Accepted: 04/16/2021] [Indexed: 01/08/2023]
Abstract
Background No study to date has analyzed the progression of sinonasal symptoms over time in COVID-19 patients. The purpose of this study is to analyze the progression of sinonasal symptoms and risk factors for olfactory dysfunction in the mild severity COVID-19 patient. Methods An internet survey was used to assess sinonasal symptoms in patients with COVID-19. Changes in rhinologic domain and symptom-specific Sinonasal Outcome Test (SNOT-22) scores were compared at five time points: two weeks before diagnosis, at diagnosis, two weeks after diagnosis, four weeks after diagnosis, and six months after diagnosis. Results 521 responses were collected. Rhinologic domain SNOT-22 scores increased significantly (p < 0.001) to 8.94 at the time of diagnosis, remained elevated two weeks post-diagnosis (5.14, p = 0.004), and decreased significantly four weeks post-diagnosis (3.14, p = 0.004). Smell-specific SNOT-22 scores peaked at the time of diagnosis (2.05, p < 0.001), remained elevated two weeks after diagnosis (1.19, p < 0.001), and returned to baseline four weeks post-diagnosis (0.64, p > 0.999). Taste-specific SNOT-22 scores also peaked at diagnosis (2.06, p < 0.001), remained elevated two weeks after diagnosis (1.19, p < 0.001), and returned to baseline four weeks after diagnosis (0.71, p > 0.999). There were no significant differences in sense of smell or taste between 1-month and 6-month timepoints. Conclusion Sinonasal symptoms, particularly loss of smell and taste, may be important presenting symptoms in the mild severity COVID-19 patient. Our findings support incorporating these symptoms into screening protocols. Level of evidence: 4
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Prevalence of Olfactory Dysfuntion in SARS-COV-2 Positive Patients. Indian J Otolaryngol Head Neck Surg 2021; 74:3204-3212. [PMID: 34729366 PMCID: PMC8552623 DOI: 10.1007/s12070-021-02954-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2021] [Accepted: 10/19/2021] [Indexed: 11/27/2022] Open
Abstract
Severe acute respiratory syndrome coronavirus 2 (SARS-COV-2) is associated with chemosensory symptoms including olfactory dysfunction and dysgeusia. Multiple studies have reported differing prevalence rates of symptoms and recovery rates depending on geographic location. The purpose of the study was to determine the prevalence and features of Covid19 olfactory dysfunction in a developing nation. We conducted a prospective study at a tertiary, high-volume centre in South Africa, to determine the prevalence of olfactory dysfunction in SARS-COV-2 positive patients. The average recovery time of the olfactory dysfunction was also evaluated. The study included patients diagnosed with SARS-COV-2 infection between November 2020 and January 2021. Patients were recruited to participate in a survey which assessed demographic data, date of diagnosis, initial symptoms, presence and recovery time of olfactory dysfunction symptoms. A total of 86 patients with olfactory dysfunction were included and followed up telephonically over 6 weeks in 2 week intervals to determine recovery time. There was a prevalence rate of 40.7% of olfactory dysfunction in patients in our study. A higher proportion of patients with olfactory dysfunction had fever compared to those without and this was a significant finding in our study population. The overall median recovery time in our study was 7 days. Prevalence of olfactory dysfunction in our population is in keeping with European studies and most patients recover their sense of smell within a week.
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Saxena S, Kumar S. Understanding the mechanism of commonly occurring COVID-19-associated oral lesions. J Oral Maxillofac Pathol 2021; 25:223-225. [PMID: 34703113 PMCID: PMC8491355 DOI: 10.4103/0973-029x.325118] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2021] [Accepted: 07/29/2021] [Indexed: 11/15/2022] Open
Abstract
Covid-19 pandemic is a novel disease with gradual emergence of its signs and symptoms. Oral healthcare providers had a setback in their dental practices due to the high rate of infectivity and the risk of contracting the disease through the patients carrying the virus. Once the dental practice resumed to its normalcy the dental surgeons came across a variety of oral manifestations in patients with a history of Covid and post recovery. An attempt is made to recognise the Covid-19 oral manifestations with plausible explanation of the mechanism of development of such oral signs.
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Affiliation(s)
- Susmita Saxena
- Department of Oral Pathology and Microbiology, ESIC Dental College and Hospital, New Delhi, India
| | - Sanjeev Kumar
- Department of Oral and Maxillofacial Surgery, Faculty of Dental Sciences, SGT University, Gurugram, Haryana, India
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Quantitative but not qualitative flavor recognition impairments in COVID-19 patients. Ir J Med Sci 2021; 191:1759-1766. [PMID: 34562193 PMCID: PMC8475319 DOI: 10.1007/s11845-021-02786-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2021] [Accepted: 09/12/2021] [Indexed: 11/24/2022]
Abstract
Background Smell and taste dysfunctions (STDs) are symptoms associated with COVID-19 syndrome, even if their incidence is still uncertain and variable. Aims In this study, the effects of SARS-CoV-2 infection on chemosensory function have been investigated using both a self-reporting questionnaire on smell and flavor perception, and a simplified flavor test. Methods A total of 111 subjects (19 hospitalized [HOS] and 37 home-isolated [HI] COVID-19 patients, and 55 healthy controls [CTRL]) were enrolled in the study. They received a self-evaluation questionnaire and a self-administered flavor test kit. The flavor test used consists in the self-administration of four solutions with a pure olfactory stimulus (coffee), a mixed olfactory-trigeminal stimulus (peppermint), and a complex chemical mixture (banana). Results After SARS-CoV-2 infection, HOS and HI patients reported similar prevalence of STDs, with a significant reduction of both smell and flavor self-estimated perception. The aromas of the flavor test were recognized by HI and HOS COVID-19 patients similarly to CTRL; however, the intensity of the perceived aromas was significantly lower in patients compared to controls. Conclusion Data reported here suggests that a chemosensory impairment is present after SARS-CoV-2 infection, and the modified “flavor test” could be a novel self-administering objective screening test to assess STDs in COVID-19 patients. Clinical trial registration no. NCT04840966; April 12, 2021, retrospectively registered Supplementary Information The online version contains supplementary material available at 10.1007/s11845-021-02786-x.
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