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Wu B, Li R, Hao J, Qi Y, Liu B, Wei H, Li Z, Zhang Y, Liu Y. CT semi-quantitative score used as risk factor for hyponatremia in patients with COVID-19: a cross-sectional study. Front Endocrinol (Lausanne) 2024; 15:1342204. [PMID: 38948513 PMCID: PMC11211362 DOI: 10.3389/fendo.2024.1342204] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/21/2023] [Accepted: 06/03/2024] [Indexed: 07/02/2024] Open
Abstract
Purpose Chest computed tomography (CT) is used to determine the severity of COVID-19 pneumonia, and pneumonia is associated with hyponatremia. This study aims to explore the predictive value of the semi-quantitative CT visual score for hyponatremia in patients with COVID-19 to provide a reference for clinical practice. Methods In this cross-sectional study, 343 patients with RT-PCR confirmed COVID-19, all patients underwent CT, and the severity of lung lesions was scored by radiologists using the semi-quantitative CT visual score. The risk factors of hyponatremia in COVID-19 patients were analyzed and combined with laboratory tests. The thyroid function changes caused by SARS-CoV-2 infection and their interaction with hyponatremia were also analyzed. Results In patients with SARS-CoV-2 infection, the total severity score (TSS) of hyponatremia was higher [M(range), 3.5(2.5-5.5) vs 3.0(2.0-4.5) scores, P=0.001], implying that patients with hyponatremia had more severe lung lesions. The risk factors of hyponatremia in the multivariate regression model included age, vomiting, neutrophils, platelet, and total severity score. SARS-CoV-2 infection impacted thyroid function, and patients with hyponatremia showed a lower free triiodothyronine (3.1 ± 0.9 vs 3.7 ± 0.9, P=0.001) and thyroid stimulating hormone level [1.4(0.8-2.4) vs 2.2(1.2-3.4), P=0.038]. Conclusion Semi-quantitative CT score can be used as a risk factor for hyponatremia in patients with COVID-19. There is a weak positive correlation between serum sodium and free triiodothyronine in patients with SARS-CoV-2 infection.
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Affiliation(s)
- Baofeng Wu
- Department of Endocrinology, First Hospital of Shanxi Medical University, Taiyuan, China
- First Clinical Medical College, Shanxi Medical University, Taiyuan, China
| | - Ru Li
- Department of Endocrinology, First Hospital of Shanxi Medical University, Taiyuan, China
- First Clinical Medical College, Shanxi Medical University, Taiyuan, China
| | - Jinxuan Hao
- Department of Endocrinology, First Hospital of Shanxi Medical University, Taiyuan, China
- First Clinical Medical College, Shanxi Medical University, Taiyuan, China
| | - Yijie Qi
- Department of Endocrinology, First Hospital of Shanxi Medical University, Taiyuan, China
- First Clinical Medical College, Shanxi Medical University, Taiyuan, China
| | - Botao Liu
- Department of Medical Imaging, Shanxi Medical University, Taiyuan, China
| | - Hongxia Wei
- Department of Endocrinology, First Hospital of Shanxi Medical University, Taiyuan, China
- First Clinical Medical College, Shanxi Medical University, Taiyuan, China
| | - Zhe Li
- Department of Endocrinology, First Hospital of Shanxi Medical University, Taiyuan, China
- First Clinical Medical College, Shanxi Medical University, Taiyuan, China
| | - Yi Zhang
- Department of Pharmacology, Shanxi Medical University, Taiyuan, China
| | - Yunfeng Liu
- Department of Endocrinology, First Hospital of Shanxi Medical University, Taiyuan, China
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Singh M, Pushpakumar S, Zheng Y, Smolenkova I, Akinterinwa OE, Luulay B, Tyagi SC. Novel mechanism of the COVID-19 associated coagulopathy (CAC) and vascular thromboembolism. NPJ VIRUSES 2023; 1:3. [PMID: 38077924 PMCID: PMC10710223 DOI: 10.1038/s44298-023-00003-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/20/2023] [Accepted: 09/20/2023] [Indexed: 01/31/2024]
Abstract
Previous studies from our laboratory revealed that SARS-CoV-2 spike protein (SP) administration to a genetically engineered model expressing the human angiotensin-converting enzyme 2; ACE2 receptor (i.e., hACE2 humanized mouse) mimicked the coronavirus disease-19 (COVID-19) pathology. In humans the cause of high morbidity, and mortality is due to 'cytokine-storm' led thromboembolism; however, the exact mechanisms of COVID-19 associated coagulopathy (CAC) have yet to be discovered. Current knowledge suggests that CAC is distinct from the standard coagulopathy, in that the intrinsic and extrinsic thrombin-dependent coagulation factors, and the pathway(s) that are common to coagulopathy, are not recruited by SARS-CoV-2. Findings from patients revealed that there is little change in their partial thromboplastin, or the prothrombin time coupled with a significant decline in platelets. Further, there appears to be an endothelial dysfunction during COVID-19 suggesting an interaction of the endothelia with immune cells including neutrophils. There are also reports that inflammatory NGAL is elevated during COVID-19. Furthermore, the levels of NPT are also increased indicating an increase in inflammatory M1 macrophage iNOS which sequesters BH4; an essential enzyme co-factor that acts as a potent antioxidant thus causing damage to endothelia. SARS-CoV-2 entry into the host cells is facilitated by a co-operative action between TMPRSS2 and the main ACE2 receptor. Interestingly, after infection ADAMTS13; a von Willebrand factor; VWF cleaving enzyme is found to be decreased. Based on these facts, we hypothesize that vascular thromboembolism is associated with serine and metalloproteinase, and in that context, we opine that inhibition of iNOS might help mitigate COVID-19 harmful effects. To test this hypothesis, we administered SP to the hACE2 mice that were subsequently treated with amino guanidine (AG; a potent inhibitor of glycoxidation, lipoxidation and oxidative vicious cycles). Our results revealed increase in TMPRSS2, and NGAL by SP but treatment with AG mitigated their levels. Similarly, levels of MMP-2, and -9 were increased; however, AG treatment normalized these levels. Our findings suggest that occurrence of CAC is influenced by TMPRSS2, ADAMTS13, NGAL and MMP- 2, and -9 factors, and an intervention with iNOS blocker helped mitigate the CAC condition in experimental settings.
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Affiliation(s)
- Mahavir Singh
- Department of Physiology, University of Louisville School of Medicine, Louisville, KY 40202, USA
- These authors contributed equally: Mahavir Singh, Sathnur Pushpakumar
| | - Sathnur Pushpakumar
- Department of Physiology, University of Louisville School of Medicine, Louisville, KY 40202, USA
- These authors contributed equally: Mahavir Singh, Sathnur Pushpakumar
| | - Yuting Zheng
- Department of Physiology, University of Louisville School of Medicine, Louisville, KY 40202, USA
| | - Irina Smolenkova
- Department of Physiology, University of Louisville School of Medicine, Louisville, KY 40202, USA
| | - Oluwaseun E. Akinterinwa
- Department of Physiology, University of Louisville School of Medicine, Louisville, KY 40202, USA
| | - Bana Luulay
- Department of Physiology, 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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Regolisti G, Rebora P, Occhino G, Lieti G, Molon G, Maloberti A, Algeri M, Giannattasio C, Valsecchi MG, Genovesi S. Elevated Serum Urea-to-Creatinine Ratio and In-Hospital Death in Patients with Hyponatremia Hospitalized for COVID-19. Biomedicines 2023; 11:1555. [PMID: 37371650 DOI: 10.3390/biomedicines11061555] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2023] [Revised: 05/23/2023] [Accepted: 05/25/2023] [Indexed: 06/29/2023] Open
Abstract
Hyponatremia is associated with adverse outcomes in hospitalized patients. An elevated value of the serum urea-to-creatinine ratio (UCR) has been proposed as a proxy of hypovolemia. The aim of this study was to investigate the relationship between the UCR and in-hospital death in patients hospitalized with COVID-19 and hyponatremia. We studied 258 patients admitted for COVID-19 between January 2020 and May 2021 with serum sodium at < 135 mmol/L. The primary end-point was all-cause mortality. A 5-unit increase in the serum UCR during hospital stays was associated with an 8% increase in the hazard of all-cause death (HR = 1.08, 95% CI: 1.03-1.14, p = 0.001) after adjusting for potential confounders. In patients with a UCR > 40 at baseline, a > 10 mmol/L increase in serum sodium values within the first week of hospitalization was associated with higher odds of in-hospital death (OR = 2.93, 95% CI: 1.03-8.36, p = 0.044) compared to patients who experienced a < 10 mmol/L change. This was not observed in patients with a UCR < 40. Hypovolemia developing during hospital stays in COVID-19 patients with hyponatremia detected at hospital admission bears an adverse prognostic impact. Moreover, in hypovolemic patients, a > 10 mmol/L increase in serum sodium within the first week of hospital stays may further worsen the in-hospital prognosis.
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Affiliation(s)
- Giuseppe Regolisti
- Clinica e Immunologia Medica, Azienda Ospedaliero-Universitaria di Parma, 43100 Parma, Italy
- Department of Medicine and Surgery, University of Parma, 43126 Parma, Italy
| | - Paola Rebora
- Bicocca Bioinformatics, Biostatistics and Bioimaging Centre-B4, School of Medicine and Surgery, Milano-Bicocca University, 20126 Milan, Italy
| | - Giuseppe Occhino
- Bicocca Bioinformatics, Biostatistics and Bioimaging Centre-B4, School of Medicine and Surgery, Milano-Bicocca University, 20126 Milan, Italy
| | - Giulia Lieti
- School of Medicine and Surgery, Milano-Bicocca University, 20126 Milan, Italy
| | - Giulio Molon
- Cardiology Department, Istituto Ricovero Cura Carattere Scientifico (IRCCS) Sacro Cuore Don Calabria Hospital, Negrar di Valpolicella, 37024 Verona, Italy
| | - Alessandro Maloberti
- School of Medicine and Surgery, Milano-Bicocca University, 20126 Milan, Italy
- Cardiology 4, Cardio Center, ASST-GOM Niguarda, Niguarda Hospital, 20162 Milan, Italy
| | - Michela Algeri
- Cardiology 4, Cardio Center, ASST-GOM Niguarda, Niguarda Hospital, 20162 Milan, Italy
| | - Cristina Giannattasio
- School of Medicine and Surgery, Milano-Bicocca University, 20126 Milan, Italy
- Cardiology 4, Cardio Center, ASST-GOM Niguarda, Niguarda Hospital, 20162 Milan, Italy
| | - Maria Grazia Valsecchi
- Bicocca Bioinformatics, Biostatistics and Bioimaging Centre-B4, School of Medicine and Surgery, Milano-Bicocca University, 20126 Milan, Italy
| | - Simonetta Genovesi
- School of Medicine and Surgery, Milano-Bicocca University, 20126 Milan, Italy
- Istituto Auxologico Italiano, Istituto Ricovero Cura Carattere Scientifico (IRCCS), 20135 Milan, Italy
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Matsuzaka Y, Yashiro R. Extracellular Vesicle-Based SARS-CoV-2 Vaccine. Vaccines (Basel) 2023; 11:vaccines11030539. [PMID: 36992123 DOI: 10.3390/vaccines11030539] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2022] [Revised: 02/06/2023] [Accepted: 02/22/2023] [Indexed: 03/02/2023] Open
Abstract
Messenger ribonucleic acid (RNA) vaccines are mainly used as SARS-CoV-2 vaccines. Despite several issues concerning storage, stability, effective period, and side effects, viral vector vaccines are widely used for the prevention and treatment of various diseases. Recently, viral vector-encapsulated extracellular vesicles (EVs) have been suggested as useful tools, owing to their safety and ability to escape from neutral antibodies. Herein, we summarize the possible cellular mechanisms underlying EV-based SARS-CoV-2 vaccines.
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Affiliation(s)
- Yasunari Matsuzaka
- Division of Molecular and Medical Genetics, The Institute of Medical Science, Center for Gene and Cell Therapy, University of Tokyo, Minato-ku, Tokyo 108-8639, Japan
- Administrative Section of Radiation Protection, National Institute of Neuroscience, National Center of Neurology and Psychiatry, Kodaira, Tokyo 187-8551, Japan
| | - Ryu Yashiro
- Administrative Section of Radiation Protection, National Institute of Neuroscience, National Center of Neurology and Psychiatry, Kodaira, Tokyo 187-8551, Japan
- Department of Infectious Diseases, Kyorin University School of Medicine, 6-20-2 Shinkawa, Mitaka-shi, Tokyo 181-8611, Japan
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