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van Wincoop M, Moeniralam HS, Schramel FMNH. Predictors for Long COVID and Differences in Long COVID Symptoms, Findings on Chest Imaging and Pulmonary Function between Hospitalized COVID-19 Patients with versus without Intensive Care Unit Admission. Respiration 2024; 103:233-250. [PMID: 38417420 DOI: 10.1159/000535391] [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: 12/27/2022] [Accepted: 11/17/2023] [Indexed: 03/01/2024] Open
Abstract
INTRODUCTION Many COVID-19 survivors suffer from persisting sequelae after acute disease. This is referred to as long COVID. The objectives of this study were to assess factors associated with long COVID and to analyze differences in persistent symptoms, findings on chest imaging, and pulmonary function between intensive care unit (ICU) and non-ICU hospitalized patients. METHODS We conducted a retrospective study including patients hospitalized with COVID-19. Patients were stratified into ICU patients and non-ICU patients. We analyzed the outcomes of patients who were in clinical follow-up 6 months after discharge with persistent symptoms, radiological and/or functional abnormalities. Logistic regression was used to examine the association between long COVID and patient characteristics. RESULTS A total of 549 patients were included. Eighty-one ICU patients (66%) and 146 (34%) non-ICU patients had persistent symptoms or abnormalities on chest imaging or lung function test minimally 6 months after discharge. Significantly more ICU patients had residual fibrotic abnormalities on chest CT and functional impairment. Female gender, myocardial infarction, OSAS, low PCO2 at admission, and longer hospital stay were associated with a higher risk of developing long COVID. Diabetes and treatment with tocilizumab were associated with a lower risk of developing long COVID. CONCLUSION Of the patients hospitalized for COVID-19, 34-66% suffered from persistent symptoms, residual abnormalities on chest imaging, or reduced lung function at around 6 months after discharge. While persistent sequelae were more frequent in ICU patients, admission to the ICU was not found to be an independent risk factor for developing long COVID.
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Affiliation(s)
- Maureen van Wincoop
- Department of Intensive Care, St. Antonius Hospital, Nieuwegein, The Netherlands,
- Department of Internal Medicine, St. Antonius Hospital, Nieuwegein, The Netherlands,
- Department of Pulmonary Diseases, St. Antonius Hospital, Nieuwegein, The Netherlands,
| | - Hazra S Moeniralam
- Department of Intensive Care, St. Antonius Hospital, Nieuwegein, The Netherlands
- Department of Internal Medicine, St. Antonius Hospital, Nieuwegein, The Netherlands
| | - Franz M N H Schramel
- Department of Pulmonary Diseases, St. Antonius Hospital, Nieuwegein, The Netherlands
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Ahuja P, Ujjain SK, Kukobat R, Urita K, Moriguchi I, Furuse A, Hattori Y, Fujimoto K, Rao G, Ge X, Wright T, Kaneko K. Air-permeable redox mediated transcutaneous CO 2 sensor. CHEMICAL ENGINEERING JOURNAL (LAUSANNE, SWITZERLAND : 1996) 2023; 457:141260. [PMID: 36620723 PMCID: PMC9804966 DOI: 10.1016/j.cej.2022.141260] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/17/2022] [Revised: 12/14/2022] [Accepted: 12/30/2022] [Indexed: 06/17/2023]
Abstract
Standard clinical care of neonates and the ventilation status of human patients affected with coronavirus disease involves continuous CO2 monitoring. However, existing noninvasive methods are inadequate owing to the rigidity of hard-wired devices, insubstantial gas permeability and high operating temperature. Here, we report a cost-effective transcutaneous CO2 sensing device comprising elastomeric sponges impregnated with oxidized single-walled carbon nanotubes (oxSWCNTs)-based composites. The proposed device features a highly selective CO2 sensing response (detection limit 155 ± 15 ppb), excellent permeability and reliability under a large deformation. A follow-up prospective study not only offers measurement equivalency to existing clinical standards of CO2 monitoring but also provides important additional features. This new modality allowed for skin-to-skin care in neonates and room-temperature CO2 monitoring as compared with clinical standard monitoring system operating at high temperature to substantially enhance the quality for futuristic applications.
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Affiliation(s)
- Preety Ahuja
- Research Initiative for Supra-Material, Shinshu University, Nagano 380-8553, Japan
- Center for Advanced Sensor Technology and Department of Chemical, Biochemical and Environmental Engineering, University of Maryland, Baltimore County, Baltimore, MD 21250, USA
| | - Sanjeev Kumar Ujjain
- Research Initiative for Supra-Material, Shinshu University, Nagano 380-8553, Japan
- Center for Advanced Sensor Technology and Department of Chemical, Biochemical and Environmental Engineering, University of Maryland, Baltimore County, Baltimore, MD 21250, USA
| | - Radovan Kukobat
- Center for Biomedical Research, Faculty of Medicine, University of Banja Luka, Banja Luka 78000, Bosnia and Herzegovina
| | - Koki Urita
- Graduate School of Engineering, Nagasaki University, Nagasaki 852-8521, Japan
| | - Isamu Moriguchi
- Graduate School of Engineering, Nagasaki University, Nagasaki 852-8521, Japan
| | - Ayumi Furuse
- Research Initiative for Supra-Material, Shinshu University, Nagano 380-8553, Japan
| | - Yoshiyuki Hattori
- Division of Chemistry and Materials, Faculty of Textile Science and Technology, Shinshu University, Ueda 386-8567, Japan
| | - Keisaku Fujimoto
- Omachi Municipal General Hospital, Omachi 398-0002, Japan
- School of Medicine, Shinshu University, Matsumoto 390-8621, Japan
| | - Govind Rao
- Center for Advanced Sensor Technology and Department of Chemical, Biochemical and Environmental Engineering, University of Maryland, Baltimore County, Baltimore, MD 21250, USA
| | - Xudong Ge
- Center for Advanced Sensor Technology and Department of Chemical, Biochemical and Environmental Engineering, University of Maryland, Baltimore County, Baltimore, MD 21250, USA
| | - Thelma Wright
- Department of Anesthesiology, University of Maryland School of Medicine, Baltimore, MD 21201, USA
| | - Katsumi Kaneko
- Research Initiative for Supra-Material, Shinshu University, Nagano 380-8553, Japan
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Malarvili MB, Alexie M, Dahari N, Kamarudin A. On Analyzing Capnogram as a Novel Method for Screening COVID-19: A Review on Assessment Methods for COVID-19. Life (Basel) 2021; 11:1101. [PMID: 34685472 PMCID: PMC8538964 DOI: 10.3390/life11101101] [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: 06/21/2021] [Revised: 08/12/2021] [Accepted: 10/12/2021] [Indexed: 12/15/2022] Open
Abstract
In November 2019, the novel coronavirus disease COVID-19 was reported in Wuhan city, China, and was reported in other countries around the globe. COVID-19 is caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection. Strategies such as contact tracing and a vaccination program have been imposed to keep COVID-19 under control. Furthermore, a fast, noninvasive and reliable testing device is needed urgently to detect COVID-19, so that contact can be isolated and ringfenced before the virus spreads. Although the reverse transcription polymerase chain reaction (RT-PCR) test is considered the gold standard method for the diagnosis of SARS-CoV-2 infection, this test presents some limitations which cause delays in detecting the disease. The antigen rapid test (ART) test, on the other hand, is faster and cheaper than PCR, but is less sensitive, and may limit SARS-CoV-2 detection. While other tests are being developed, accurate, noninvasive and easy-to-use testing tools are in high demand for the rapid and extensive diagnosis of the disease. Therefore, this paper reviews current diagnostic methods for COVID-19. Following this, we propose the use of expired carbon dioxide (CO2) as an early screening tool for SARS-CoV-2 infection. This system has already been developed and has been tested on asthmatic patients. It has been proven that expired CO2, also known as capnogram, can help differentiate between respiratory conditions and, therefore, could be used to detect SARS-CoV-2 infection, as it causes respiratory tract-related diseases.
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Affiliation(s)
- M. B. Malarvili
- School of Biomedical and Health Science Engineering, Universiti Teknologi Malaysia, Skudai, Johor Bahru 81310, Malaysia; (M.A.); (N.D.)
| | - Mushikiwabeza Alexie
- School of Biomedical and Health Science Engineering, Universiti Teknologi Malaysia, Skudai, Johor Bahru 81310, Malaysia; (M.A.); (N.D.)
- College of Science and Technology (CST), Center or Excellence in Biomedical Engineering and E-Health (CEBE), University of Rwanda, KN 67 Street Nyarugenge, Kigali 3900, Rwanda
| | - Nadhira Dahari
- School of Biomedical and Health Science Engineering, Universiti Teknologi Malaysia, Skudai, Johor Bahru 81310, Malaysia; (M.A.); (N.D.)
| | - Anhar Kamarudin
- Faculty of Medicine, University Malaya Medical Centre (UMMC), Kuala Lumpur 59100, Malaysia;
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