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Xiao L, Zhang H, Duan J, Ma X, Usvyat LA, Kotanko P, Wang Y. Predicting SARS-CoV-2 infection among hemodialysis patients using deep neural network methods. Sci Rep 2024; 14:23588. [PMID: 39384931 PMCID: PMC11464512 DOI: 10.1038/s41598-024-74967-4] [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: 11/03/2023] [Accepted: 09/30/2024] [Indexed: 10/11/2024] Open
Abstract
COVID-19 has a higher rate of morbidity and mortality among dialysis patients than the general population. Identifying infected patients early with the support of predictive models helps dialysis centers implement concerted procedures (e.g., temperature screenings, universal masking, isolation treatments) to control the spread of SARS-CoV-2 and mitigate outbreaks. We collect data from multiple sources, including demographics, clinical, treatment, laboratory, vaccination, socioeconomic status, and COVID-19 surveillance. Previous early prediction models, such as logistic regression, SVM, and XGBoost, require sophisticated feature engineering and need improved prediction performance. We create deep learning models, including Recurrent Neural Networks (RNN) and Convolutional Neural Networks (CNN), to predict SARS-CoV-2 infections during incubation. Our study shows deep learning models with minimal feature engineering can identify those infected patients more accurately than previously built models. Our Long Short-Term Memory (LSTM) model consistently performed well, with an AUC exceeding 0.80, peaking at 0.91 in August 2021. The CNN model also demonstrated strong results with an AUC above 0.75. Both models outperformed previous best XGBoost models by over 0.10 in AUC. Prediction accuracy declined as the pandemic evolved, dropping to approximately 0.75 between September 2021 and January 2022. Maintaining a 20% false positive rate, our LSTM and CNN models identified 66% and 64% of positive cases among patients, significantly outperforming XGBoost models at 42%. We also identify key features for dialysis patients by calculating the gradient of the output with respect to the input features. By closely monitoring these factors, dialysis patients can receive earlier diagnoses and care, leading to less severe outcomes. Our research highlights the effectiveness of deep neural networks in analyzing longitudinal data, especially in predicting COVID-19 infections during the crucial incubation period. These deep network approaches surpass traditional methods relying on aggregated variable means, significantly improving the accurate identification of SARS-CoV-2 infections.
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Affiliation(s)
- Lihao Xiao
- Department of Statistics and Applied Probability, University of California, Santa Barbara, CA, USA
| | | | - Juntao Duan
- Department of Statistics and Applied Probability, University of California, Santa Barbara, CA, USA
| | - Xiaoran Ma
- Department of Statistics and Applied Probability, University of California, Santa Barbara, CA, USA
| | | | - Peter Kotanko
- Renal Research Institute, New York, USA
- Icahn School of Medicine at Mount Sinai, New York, USA
| | - Yuedong Wang
- Department of Statistics and Applied Probability, University of California, Santa Barbara, CA, USA.
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Jerah AA, Farasani A, Abu-Tawil HI, Kuriri H, Kuriri A, Alkhayrat M, Kariri K, Kariri SA, Abdelwahab SI. Evaluation of Biochemical Characteristics in a Retrospective Cohort of COVID-19 Patients. Cureus 2024; 16:e58889. [PMID: 38800147 PMCID: PMC11117081 DOI: 10.7759/cureus.58889] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/23/2024] [Indexed: 05/29/2024] Open
Abstract
BACKGROUND Coronavirus disease 2019 (COVID-19) has had a significant impact on global health and healthcare systems. This retrospective study aimed to assess the association between biochemical parameters and outcomes in COVID-19 patients in Jazan, Saudi Arabia. METHODS After establishing the inclusion criteria and obtaining ethical approval, data from 156 reverse transcriptase-polymerase chain reaction (RT-PCR)-confirmed COVID-19 patients were collected from electronic medical records from a general hospital in Samtah, Jazan, from April 2020 to October 2021. The collected data included patient demographics and liver, kidney, heart, and electrolyte function marker levels. Descriptive, inferential, and principal component analyses were conducted. RESULTS Survival rates varied according to age and body mass index (BMI). Statistical analysis demonstrated that the levels of aspartate aminotransferase (AST), alanine aminotransferase (ALT), alkaline phosphatase (ALP), sodium (Na), potassium (K), blood urea nitrogen (BUN), creatinine (Cr), creatine kinase (CK), CK myocardial band (MB), and lactate dehydrogenase (LDH) were significantly higher (P < 0.05) than the reference values, as assessed using the one-sample t-test. Principal component analysis (PCA) also revealed an underlying pattern in the variation of these biochemical markers. These findings suggest that certain biochemical parameters may serve as useful indicators for monitoring the condition of COVID-19 patients. CONCLUSION This retrospective study in Jazan, Saudi Arabia highlights the association between biochemical parameters and outcomes in COVID-19 patients. Elevated levels of markers of liver, kidney, heart, and electrolyte function suggest organ damage and dysregulation. The pattern identified through PCA provides insights into disease severity. Monitoring these parameters may serve as valuable indicators for assessing COVID-19 patients. Further research is needed to validate these findings, explore their potential for personalized treatment strategies, and improve patient outcomes during the ongoing pandemic.
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Affiliation(s)
- Ahmed Ali Jerah
- Department of Medical Laboratory Technology, Faculty of Applied Medical Sciences, Jazan University, Jazan, SAU
| | - Abdullah Farasani
- Biomedical Research Unit, Medical Research Center, Jazan University, Jazan, SAU
| | - Hisham I Abu-Tawil
- Department of Laboratory and Blood Bank, Prince Mohammed bin Nasser Hospital, Ministry of Health, Jazan, SAU
- Department of Clinical Laboratory and Blood Bank, King Faisal Medical City For Southern Regions, Abha, SAU
| | - Hadi Kuriri
- Department of Clinical Laboratory and Blood Bank, King Faisal Medical City For Southern Regions, Abha, SAU
- Department of Clinical Laboratory and Blood Bank, Samtah General Hospital, Samtah, SAU
| | - Anwar Kuriri
- Department of Medical Administration, Samtah General Hospital, Samtah, SAU
| | - Mansour Alkhayrat
- Department of Medical Administration, Samtah General Hospital, Samtah, SAU
| | - Kholood Kariri
- Department of Nursing Administration, Samtah General Hospital, Samtah, SAU
| | - Sami Ali Kariri
- Department of Pharmacy, Samtah General Hospital, Samtah, SAU
| | - Siddig I Abdelwahab
- Biomedical Research Unit, Medical Research Center, Jazan University, Jazan, SAU
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Von Rekowski CP, Fonseca TAH, Araújo R, Brás-Geraldes C, Calado CRC, Bento L, Pinto I. The Characteristics and Laboratory Findings of SARS-CoV-2 Infected Patients during the First Three COVID-19 Waves in Portugal-A Retrospective Single-Center Study. MEDICINA (KAUNAS, LITHUANIA) 2023; 60:59. [PMID: 38256320 PMCID: PMC10817678 DOI: 10.3390/medicina60010059] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/23/2023] [Revised: 12/20/2023] [Accepted: 12/25/2023] [Indexed: 01/24/2024]
Abstract
Background and Objectives: Given the wide spectrum of clinical and laboratory manifestations of the coronavirus disease 2019 (COVID-19), it is imperative to identify potential contributing factors to patients' outcomes. However, a limited number of studies have assessed how the different waves affected the progression of the disease, more so in Portugal. Therefore, our main purpose was to study the clinical and laboratory patterns of COVID-19 in an unvaccinated population admitted to the intensive care unit, identifying characteristics associated with death, in each of the first three waves of the pandemic. Materials and Methods: This study included 337 COVID-19 patients admitted to the intensive care unit of a single-center hospital in Lisbon, Portugal, between March 2020 and March 2021. Comparisons were made between three COVID-19 waves, in the second (n = 325) and seventh (n = 216) days after admission, and between discharged and deceased patients. Results: Deceased patients were considerably older (p = 0.021) and needed greater ventilatory assistance (p = 0.023), especially in the first wave. Differences between discharged and deceased patients' biomarkers were minimal in the first wave, on both analyzed days. In the second wave significant differences emerged in troponins, lactate dehydrogenase, procalcitonin, C-reactive protein, and white blood cell subpopulations, as well as platelet-to-lymphocyte and neutrophil-to-lymphocyte ratios (all p < 0.05). Furthermore, in the third wave, platelets and D-dimers were also significantly different between patients' groups (all p < 0.05). From the second to the seventh days, troponins and lactate dehydrogenase showed significant decreases, mainly for discharged patients, while platelet counts increased (all p < 0.01). Lymphocytes significantly increased in discharged patients (all p < 0.05), while white blood cells rose in the second (all p < 0.001) and third (all p < 0.05) waves among deceased patients. Conclusions: This study yields insights into COVID-19 patients' characteristics and mortality-associated biomarkers during Portugal's first three COVID-19 waves, highlighting the importance of considering wave variations in future research due to potential significant outcome differences.
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Affiliation(s)
- Cristiana P. Von Rekowski
- ISEL—Instituto Superior de Engenharia de Lisboa, Instituto Politécnico de Lisboa, Rua Conselheiro Emídio Navarro 1, 1959-007 Lisbon, Portugal; (T.A.H.F.); (R.A.); (C.R.C.C.)
- NMS—NOVA Medical School, FCM—Faculdade de Ciências Médicas, Universidade NOVA de Lisboa, Campo dos Mártires da Pátria 130, 1169-056 Lisbon, Portugal;
- CHRC—Comprehensive Health Research Centre, Universidade NOVA de Lisboa, 1150-082 Lisbon, Portugal
| | - Tiago A. H. Fonseca
- ISEL—Instituto Superior de Engenharia de Lisboa, Instituto Politécnico de Lisboa, Rua Conselheiro Emídio Navarro 1, 1959-007 Lisbon, Portugal; (T.A.H.F.); (R.A.); (C.R.C.C.)
- NMS—NOVA Medical School, FCM—Faculdade de Ciências Médicas, Universidade NOVA de Lisboa, Campo dos Mártires da Pátria 130, 1169-056 Lisbon, Portugal;
- CHRC—Comprehensive Health Research Centre, Universidade NOVA de Lisboa, 1150-082 Lisbon, Portugal
| | - Rúben Araújo
- ISEL—Instituto Superior de Engenharia de Lisboa, Instituto Politécnico de Lisboa, Rua Conselheiro Emídio Navarro 1, 1959-007 Lisbon, Portugal; (T.A.H.F.); (R.A.); (C.R.C.C.)
- NMS—NOVA Medical School, FCM—Faculdade de Ciências Médicas, Universidade NOVA de Lisboa, Campo dos Mártires da Pátria 130, 1169-056 Lisbon, Portugal;
- CHRC—Comprehensive Health Research Centre, Universidade NOVA de Lisboa, 1150-082 Lisbon, Portugal
| | - Carlos Brás-Geraldes
- ISEL—Instituto Superior de Engenharia de Lisboa, Instituto Politécnico de Lisboa, Rua Conselheiro Emídio Navarro 1, 1959-007 Lisbon, Portugal; (T.A.H.F.); (R.A.); (C.R.C.C.)
- CEAUL—Centro de Estatística e Aplicações, Universidade de Lisboa, 1749-016 Lisbon, Portugal
| | - Cecília R. C. Calado
- ISEL—Instituto Superior de Engenharia de Lisboa, Instituto Politécnico de Lisboa, Rua Conselheiro Emídio Navarro 1, 1959-007 Lisbon, Portugal; (T.A.H.F.); (R.A.); (C.R.C.C.)
- CIMOSM—Centro de Investigação em Modelação e Optimização de Sistemas Multifuncionais, ISEL—Instituto Superior de Engenharia de Lisboa, 1959-007 Lisbon, Portugal
| | - Luís Bento
- NMS—NOVA Medical School, FCM—Faculdade de Ciências Médicas, Universidade NOVA de Lisboa, Campo dos Mártires da Pátria 130, 1169-056 Lisbon, Portugal;
- CHRC—Comprehensive Health Research Centre, Universidade NOVA de Lisboa, 1150-082 Lisbon, Portugal
- Intensive Care Department, CHULC—Centro Hospitalar Universitário de Lisboa Central, 1150-199 Lisbon, Portugal
- Integrated Pathophysiological Mechanisms, CHRC—Comprehensive Health Research Centre, NMS—NOVA Medical School, FCM—Faculdade de Ciências Médicas, Universidade NOVA de Lisboa, 1169-056 Lisbon, Portugal
| | - Iola Pinto
- Department of Mathematics, ISEL—Instituto Superior de Engenharia de Lisboa, 1959-007 Lisbon, Portugal;
- NOVA Math—Center for Mathematics and Applications, NOVA SST—Nova School of Sciences and Tecnology, Universidade NOVA de Lisboa, 2829-516 Caparica, Portugal
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Harte JV, Coleman-Vaughan C, Crowley MP, Mykytiv V. It's in the blood: a review of the hematological system in SARS-CoV-2-associated COVID-19. Crit Rev Clin Lab Sci 2023; 60:595-624. [PMID: 37439130 DOI: 10.1080/10408363.2023.2232010] [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: 04/10/2023] [Accepted: 06/27/2023] [Indexed: 07/14/2023]
Abstract
The emergence of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has led to an unprecedented global healthcare crisis. While SARS-CoV-2-associated COVID-19 affects primarily the respiratory system, patients with COVID-19 frequently develop extrapulmonary manifestations. Notably, changes in the hematological system, including lymphocytopenia, neutrophilia and significant abnormalities of hemostatic markers, were observed early in the pandemic. Hematological manifestations have since been recognized as important parameters in the pathophysiology of SARS-CoV-2 and in the management of patients with COVID-19. In this narrative review, we summarize the state-of-the-art regarding the hematological and hemostatic abnormalities observed in patients with SARS-CoV-2-associated COVID-19, as well as the current understanding of the hematological system in the pathophysiology of acute and chronic SARS-CoV-2-associated COVID-19.
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Affiliation(s)
- James V Harte
- Department of Haematology, Cork University Hospital, Wilton, Cork, Ireland
- School of Biochemistry & Cell Biology, University College Cork, Cork, Ireland
| | | | - Maeve P Crowley
- Department of Haematology, Cork University Hospital, Wilton, Cork, Ireland
- Irish Network for Venous Thromboembolism Research (INViTE), Ireland
| | - Vitaliy Mykytiv
- Department of Haematology, Cork University Hospital, Wilton, Cork, Ireland
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Yagci AK, Alci G, Guncu MM, Yilmaz OB, Tekin E, Cakir SE, Cebe B, Ozturk C, Sirikci O. Demographic Features and Laboratory Parameters Among Hospitalized Vaccinated Patients With COVID-19 in Istanbul, Turkey. INFECTIOUS DISEASES IN CLINICAL PRACTICE 2023. [DOI: 10.1097/ipc.0000000000001251] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/08/2023]
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Guerra-de-Blas PDC, Ortega-Villa AM, Ortiz-Hernández AA, Ramírez-Venegas A, Moreno-Espinosa S, Llamosas-Gallardo B, Pérez-Patrigeon S, Hunsberger S, Magaña M, Valdez-Vázquez R, Freimanis L, Galán-Herrera JF, Guerrero-Almeida ML, Powers JH, Ruiz-Palacios GM, Beigel J, Galindo-Fraga A. Etiology, clinical characteristics, and risk factors associated with severe influenza-like illnesses in Mexican adults. IJID REGIONS 2023; 6:152-158. [PMID: 36865993 PMCID: PMC9972394 DOI: 10.1016/j.ijregi.2023.01.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/04/2022] [Revised: 01/20/2023] [Accepted: 01/23/2023] [Indexed: 02/04/2023]
Abstract
Objective The aim of this study was to determine the risk factors associated with severe influenza-like illness (ILI) in Mexican adults that could be useful to clinicians when assessing patients with ILI. Methods Data from adult patients enrolled from 2010 through 2014 in ILI002 - a prospective hospital-based observational cohort study - were analyzed. Etiology and clinical characteristics were compared between cases of severe ILI (defined as hospitalization and/or death) and cases of non-severe ILI. Results Overall, 1428 (39.0%) out of a total 3664 cases of ILI were classified as severe. Adjusted analyses showed a higher risk of severe ILI associated with signs and symptoms related to lower tract infection, i.e. cough with sputum (odds ratio (OR) 2.037, 95% confidence interval (CI) 1.206-3.477; P = 0.008), dyspnea (OR 5.044, 95% CI 2.99-8.631; and shortness of breath (OR 5.24, 95% CI 3.0839.124; P < 0.001), and with increases in lactate dehydrogenase (OR 4.426, 95% CI 2.321-8.881; P < 0.001) and C-reactive protein (OR 3.618, 95% CI 2.5955.196; P < 0.001). Further, there was an increased risk of severe ILI with a longer time between symptom onset and inclusion (OR 1.108, 95% CI 1.049-1.172; P < 0.001) and with chronic steroid use (OR 14.324, 95% CI 8.059-26.216; P < 0.001). Conclusions Respiratory viruses can cause severe ILI. The results of this study highlight the importance of evaluating data compatible with lower tract involvement and previous use of immunosuppressants at baseline, because patients meeting these conditions may develop severe illness.
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Affiliation(s)
| | - Ana M. Ortega-Villa
- National Institute of Allergy and Infectious Diseases, Bethesda, Maryland, USA
| | | | | | | | | | | | - Sally Hunsberger
- National Institute of Allergy and Infectious Diseases, Bethesda, Maryland, USA
| | - Martín Magaña
- Hospital Regional Dr. Ignacio Morones Prieto, San Luis Potosí, Mexico
| | | | | | - Juan Francisco Galán-Herrera
- The Mexican Emerging Infectious Diseases Clinical Research Network (LaRed), Mexico City, Mexico,Instituto Politécnico Nacional, Mexico City, Mexico
| | | | - John H. Powers
- Clinical Research Directorate, Frederick National Laboratory for Cancer Research, Frederick, Maryland, USA
| | | | - John Beigel
- National Institute of Allergy and Infectious Diseases, Bethesda, Maryland, USA
| | - Arturo Galindo-Fraga
- Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Mexico City, Mexico,Corresponding author: Arturo Galindo-Fraga, Hospital Epidemiology and Medical Attention Quality Control, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Vasco de Quiroga 15, Col. Belisario Domínguez Sección XVI, Tlalpan, Mexico City, Mexico 14080.
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Li D, Li J, Zhao C, Liao X, Liu L, Xie L, Shang W. Diagnostic value of procalcitonin, hypersensitive C-reactive protein and neutrophil-to-lymphocyte ratio for bloodstream infections in pediatric tumor patients. Clin Chem Lab Med 2023; 61:366-376. [PMID: 36367370 DOI: 10.1515/cclm-2022-0801] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2022] [Accepted: 10/24/2022] [Indexed: 11/13/2022]
Abstract
OBJECTIVES Bloodstream infection (BSI) is one of the major causes of death in pediatric tumor patients. Blood samples are relatively easy to obtain and thus provide a ready source of infection-related biological markers for the prompt evaluation of infection risk. METHODS A total of 259 pediatric tumor patients were included from May 2019 to March 2022. Patients were divided into BSI group (n=70) and control group (n=189). Clinical and biological data were collected using electronic medical records. Differences in biological markers between BSI group and control group and differences before and during infection in BSI group were analyzed. RESULTS The infected group showed higher levels of procalcitonin (PCT) and hypersensitive C-reactive-protein (hsCRP), and lower prealbumin (PA) than the uninfected group. Area under the receiver-operating curve (ROC) curves (AUC) of PCT, hsCRP and NLR (absolute neutrophil count to the absolute lymphocyte count) were 0.756, 0.617 and 0.612. The AUC of other biomarkers was ≤0.6. In addition, PCT, hsCRP, NLR and fibrinogen (Fg) were significantly increased during infection, while PA and lymphocyte (LYM) were significantly decreased. Antibiotic resistant of Gram-positive bacteria to CHL, SXT, OXA and PEN was lower than that of Coagulase-negative Staphylococcus. Resistant of Gram-positive bacteria to CHL was lower, while to SXT was higher than that of Gram-negative bacteria. CONCLUSIONS This study explored the utility of biomarkers to assist in diagnosis and found that the PCT had the greatest predictive value for infection in pediatric tumor patients with BSI. Additionally, the PCT, hsCRP, NLR, PA, LYM and Fg were changed by BSI.
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Affiliation(s)
- Dongmei Li
- Department of Clinical Laboratory, Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, Shandong, P.R. China
| | - Jie Li
- Department of Clinical Laboratory, Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, Shandong, P.R. China
| | - Chuanxi Zhao
- Department of Clinical Laboratory, Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, Shandong, P.R. China
| | - Xianglu Liao
- Department of Clinical Laboratory, Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, Shandong, P.R. China
| | - Lisheng Liu
- Department of Clinical Laboratory, Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, Shandong, P.R. China
| | - Li Xie
- Department of Clinical Laboratory, Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, Shandong, P.R. China
| | - Wenjing Shang
- Department of Clinical Laboratory, Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, Shandong, P.R. China
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Role of Eosinopenia as a Prognostic Factor in COVID-19 Patients from Emergency Department During the Second Wave. SN COMPREHENSIVE CLINICAL MEDICINE 2023; 5:67. [PMID: 36744041 PMCID: PMC9883811 DOI: 10.1007/s42399-023-01396-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 01/10/2023] [Indexed: 01/30/2023]
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Botoș ID, Pantiș C, Bodolea C, Nemes A, Crișan D, Avram L, Negrău MO, Hirișcău IE, Crăciun R, Puia CI. The Dynamics of the Neutrophil-to-Lymphocyte and Platelet-to-Lymphocyte Ratios Predict Progression to Septic Shock and Death in Patients with Prolonged Intensive Care Unit Stay. MEDICINA (KAUNAS, LITHUANIA) 2022; 59:32. [PMID: 36676656 PMCID: PMC9861709 DOI: 10.3390/medicina59010032] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/23/2022] [Revised: 12/12/2022] [Accepted: 12/21/2022] [Indexed: 12/28/2022]
Abstract
Background and objectives: The prognoses of patients experiencing a prolonged stay in the intensive care unit (ICU) are often significantly altered by hospital-acquired infections (HAIs), the early detection of which might be cumbersome. The aim of this study was to investigate the roles of the neutrophil-to-lymphocyte (NLR), derived-NRL (d-NLR), platelet-to-lymphocyte (PLR), and lymphocyte-to-C-reactive protein (LCR) ratios in predicting the progression to septic shock and death. Materials and Methods: A retrospective analysis of a consecutive series of ninety COVID-19 patients with prolonged hospitalization (exceeding 15 days) admitted to the ICU was conducted. The prevalence of culture-proven HAIs throughout their hospital stays was documented. NLR, dNLR, PLR, and LCR were recorded on admission, day 7, and day 14 to assess their discriminative prowess for detecting further progression to septic shock or death. Results: The prevalence of HAIs was 76.6%, 50% of patients met the criteria for septic shock, and 50% died. The median time to the first positive culture was 13.5 days and 20.5 days for developing septic shock. Mechanical ventilation was a key contributing factor to HAI, septic shock, and mortality. On admission and day 7 NLR, dNLR, PLR, and LCR values had no prognostic relevance for events occurring late during hospitalization. However, day-14 NLR, dNLR, and PLR were independent predictors for progression to septic shock and mortality and have shown good discriminative capabilities. The AUCs for septic shock were 0.762, 0.764, and 0.716, while the values for predicting in-hospital death were 0.782, 0.778, and 0.758, respectively. Conclusions: NLR, dNLR, and PLR are quick, easy-to-use, cheap, effective biomarkers for the detection of a more severe disease course, of the late development of HAIs, and of the risk of death in critically ill patients requiring a prolonged ICU stay.
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Affiliation(s)
- Ioana Denisa Botoș
- Faculty of Medicine and Pharmacy, University of Oradea, 410068 Oradea, Romania
| | - Carmen Pantiș
- Faculty of Medicine and Pharmacy, University of Oradea, 410068 Oradea, Romania
| | - Constantin Bodolea
- Intensive Care Unit, Clinical Municipal Hospital, 400139 Cluj-Napoca, Romania
- Faculty of Medicine, “Iuliu Hațieganu” University of Medicine and Pharmacy, 400012 Cluj-Napoca, Romania
| | - Andrada Nemes
- Intensive Care Unit, Clinical Municipal Hospital, 400139 Cluj-Napoca, Romania
- Faculty of Medicine, “Iuliu Hațieganu” University of Medicine and Pharmacy, 400012 Cluj-Napoca, Romania
| | - Dana Crișan
- Faculty of Medicine, “Iuliu Hațieganu” University of Medicine and Pharmacy, 400012 Cluj-Napoca, Romania
- Department of Internal Medicine, Clinical Municipal Hospital, 400139 Cluj-Napoca, Romania
| | - Lucreția Avram
- Faculty of Medicine, “Iuliu Hațieganu” University of Medicine and Pharmacy, 400012 Cluj-Napoca, Romania
- Department of Internal Medicine, Clinical Municipal Hospital, 400139 Cluj-Napoca, Romania
| | | | - Ioana Elisabeta Hirișcău
- Faculty of Medicine, “Iuliu Hațieganu” University of Medicine and Pharmacy, 400012 Cluj-Napoca, Romania
| | - Rareș Crăciun
- Faculty of Medicine, “Iuliu Hațieganu” University of Medicine and Pharmacy, 400012 Cluj-Napoca, Romania
- Gastroenterology Clinic, “Prof. Dr. O. Fodor” Regional Institute of Gastroenterology and Hepatology, 400162 Cluj-Napoca, Romania
| | - Cosmin Ioan Puia
- Faculty of Medicine and Pharmacy, University of Oradea, 410068 Oradea, Romania
- Faculty of Medicine, “Iuliu Hațieganu” University of Medicine and Pharmacy, 400012 Cluj-Napoca, Romania
- Department of Surgery, “Prof. Dr. O. Fodor” Regional Institute of Gastroenterology and Hepatology, 400162 Cluj-Napoca, Romania
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Sultana GNN, Srivastava A, Akhtaar K, Singh PP, Islam MA, Mishra RK, Chaubey G. Studying C-reactive protein and D-dimer levels in blood may prevent severe complications: A study in Bangladeshi COVID-19 patients. Front Genet 2022; 13:966595. [PMID: 36568370 PMCID: PMC9780378 DOI: 10.3389/fgene.2022.966595] [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: 11/23/2022] [Indexed: 12/13/2022] Open
Abstract
The ongoing COVID-19 pandemic has been a scientific, medical and social challenge. Since clinical course of this disease is largely unpredictable and can develop rapidly causing severe complications, it is important to identify laboratory biomarkers, which may help to classify patient's severity during initial stage. Previous studies have suggested C-reactive protein (inflammatory) and D-dimer (biochemical) as an effective biomarker. The differential severity in patients across the world and our limited understanding in the progression of the disease calls for a multi-country analysis for biomarkers. Therefore, we have analyzed these biomarkers among 228 Bangladeshi COVID-19 patients. We observed significant association of COVID-19 severity with these two biomarkers. Thus, we suggest to use these biomarkers for Bangladeshi COVID-19 patients for better disease monitoring. Such validated preventive measures may decrease the case fatality ratio substantially.
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Affiliation(s)
- Gazi Nurun Nahar Sultana
- Centre for Advanced Research in Sciences (CARS), Genetic Engineering and Biotechnology Research Laboratory, University of Dhaka, Dhaka, Bangladesh
| | - Anshika Srivastava
- Cytogenetics Laboratory, Department of Zoology, Banaras Hindu University, Varanasi, India
| | - Khalida Akhtaar
- Centre for Advanced Research in Sciences (CARS), Genetic Engineering and Biotechnology Research Laboratory, University of Dhaka, Dhaka, Bangladesh
| | - Prajjval Pratap Singh
- Cytogenetics Laboratory, Department of Zoology, Banaras Hindu University, Varanasi, India
| | - Md. Anarul Islam
- Centre for Advanced Research in Sciences (CARS), Genetic Engineering and Biotechnology Research Laboratory, University of Dhaka, Dhaka, Bangladesh
| | - Rahul Kumar Mishra
- Cytogenetics Laboratory, Department of Zoology, Banaras Hindu University, Varanasi, India
| | - Gyaneshwer Chaubey
- Cytogenetics Laboratory, Department of Zoology, Banaras Hindu University, Varanasi, India,*Correspondence: Gyaneshwer Chaubey,
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Saurabh A, Dey B, Raphael V, Barman B, Dev P, Tiewsoh I, Lyngdoh BS, Dutta K. Evaluation of Hematological Parameters in Predicting Intensive Care Unit Admission in COVID-19 Patients. SN COMPREHENSIVE CLINICAL MEDICINE 2022; 4:39. [PMID: 35071985 PMCID: PMC8761838 DOI: 10.1007/s42399-021-01115-8] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Accepted: 12/28/2021] [Indexed: 01/03/2023]
Abstract
Hematological parameters like total leukocyte count (TLC), neutrophil, lymphocyte, and absolute eosinophil counts (AEC), and neutrophil-to-lymphocyte ratio (NLR) are known to predict the severity of novel coronavirus disease 2019 (COVID-19) patients. In the present study, we aimed to study the role of complete blood count parameters in triaging these patients requiring intensive care unit (ICU) admission. A retrospective study was done over a period of 2 months. Patients, who were ≥ 18 years of age with COVID-19 confirmed on SARS-CoV-2 reverse transcription-polymerase chain reaction (RT-PCR) and whose routine hematology counts were sent within 24 h of admission, were included in the study. Cut-off values of 47.5 years for age, 11.3 × 109/L for TLC, and 9.1 for NLR were predictive of disease severity among COVID-19 patients. Relative neutrophilia ≥ 70% (p < 0.007), relative lymphopenia ≤ 20% (p < 0.002), AEC ≤ 40/cumm (p < 0.001), and NLR ≥ 9.1 (p < 0.001) were significantly associated with ICU admission. Routine hematological parameters are cost-effective and fast predictive markers for severe COVID-19 patients, especially in resource-constrained health care settings to utilize limited ICU resources more effectively.
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Affiliation(s)
- Animesh Saurabh
- Department of Pathology, North Eastern Indira Gandhi Regional Institute of Health and Medical Sciences, Shillong, 793018 India
| | - Biswajit Dey
- Department of Pathology, North Eastern Indira Gandhi Regional Institute of Health and Medical Sciences, Shillong, 793018 India
| | - Vandana Raphael
- Department of Pathology, North Eastern Indira Gandhi Regional Institute of Health and Medical Sciences, Shillong, 793018 India
| | - Bhupen Barman
- Department of Internal Medicine, North Eastern Indira Gandhi Regional Institute of Health and Medical Sciences, Shillong, India
| | - Priyanka Dev
- Department of Anaesthesia and Critical Care, North Eastern Indira Gandhi Regional Institute of Health and Medical Sciences, Shillong, India
| | - Iadarilang Tiewsoh
- Department of Internal Medicine, North Eastern Indira Gandhi Regional Institute of Health and Medical Sciences, Shillong, India
| | - Bifica Sofia Lyngdoh
- Department of Pathology, North Eastern Indira Gandhi Regional Institute of Health and Medical Sciences, Shillong, 793018 India
| | - Kaustuv Dutta
- Department of Anaesthesia and Critical Care, North Eastern Indira Gandhi Regional Institute of Health and Medical Sciences, Shillong, India
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Asghar MS, Akram M, Yasmin F, Najeeb H, Naeem U, Gaddam M, Jafri MS, Tahir MJ, Yasin I, Mahmood H, Mehmood Q, Marzo RR. Comparative analysis of neutrophil to lymphocyte ratio and derived neutrophil to lymphocyte ratio with respect to outcomes of in-hospital coronavirus disease 2019 patients: A retrospective study. Front Med (Lausanne) 2022; 9:951556. [PMID: 35935776 PMCID: PMC9354523 DOI: 10.3389/fmed.2022.951556] [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: 05/24/2022] [Accepted: 06/29/2022] [Indexed: 11/29/2022] Open
Abstract
Introduction and objectives In patients with coronavirus disease 2019 (COVID-19), several abnormal hematological biomarkers have been reported. The current study aimed to find out the association of neutrophil to lymphocyte ratio (NLR) and derived NLR (dNLR) with COVID-19. The objective was to compare the accuracy of both of these markers in predicting the severity of the disease. Materials and methods The study was conducted in a single-center having patients with COVID-19 with a considerable hospital stay. NLR is easily calculated by dividing the absolute neutrophil count (ANC) with the absolute lymphocyte count (ALC) {ANC/ALC}, while dNLR is calculated by ANC divided by total leukocyte count minus ANC {ANC/(WBC-ANC)}. Medians and interquartile ranges (IQR) were represented by box plots. Multivariable logistic regression was performed obtaining an odds ratio (OR), 95% CI, and further adjusted to discover the independent predictors and risk factors associated with elevated NLR and dNLR. Results A total of 1,000 patients with COVID-19 were included. The baseline NLR and dNLR were 5.00 (2.91–10.46) and 4.00 (2.33–6.14), respectively. A cut-off value of 4.23 for NLR and 2.63 for dNLR were set by receiver operating characteristic (ROC) analysis. Significant associations of NLR were obtained by binary logistic regression for dependent outcome variables as ICU stay (p < 0.001), death (p < 0.001), and invasive ventilation (p < 0.001) while that of dNLR with ICU stay (p = 0.002), death (p < 0.001), and invasive ventilation (p = 0.002) on multivariate analysis when adjusted for age, gender, and a wave of pandemics. Moreover, the indices were found correlating with other inflammatory markers such as C-reactive protein (CRP), D-dimer, and procalcitonin (PCT). Conclusion Both markers are equally reliable and sensitive for predicting in-hospital outcomes of patients with COVID-19. Early detection and predictive analysis of these markers can allow physicians to risk assessment and prompt management of these patients.
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Affiliation(s)
- Muhammad Sohaib Asghar
- Department of Internal Medicine, Dow University Hospital, Karachi, Pakistan
- *Correspondence: Muhammad Sohaib Asghar,
| | - Mohammed Akram
- Department of Internal Medicine, Liaquat National Hospital and Medical College, Karachi, Pakistan
| | - Farah Yasmin
- Department of Internal Medicine, Dow University of Health Sciences, Karachi, Pakistan
| | - Hala Najeeb
- Department of Internal Medicine, Dow University of Health Sciences, Karachi, Pakistan
| | - Unaiza Naeem
- Department of Internal Medicine, Dow University of Health Sciences, Karachi, Pakistan
| | - Mrunanjali Gaddam
- Department of Internal Medicine, The Brooklyn Hospital Center, Brooklyn, NY, United States
| | - Muhammad Saad Jafri
- Department of Internal Medicine, Ziauddin University Hospital, Karachi, Pakistan
| | | | - Iqra Yasin
- Department of Internal Medicine, Liaquat National Hospital and Medical College, Karachi, Pakistan
| | - Hamid Mahmood
- Department of Internal Medicine, Lahore General Hospital, Lahore, Pakistan
| | - Qasim Mehmood
- Department of Internal Medicine, King Edward Medical University, Lahore, Pakistan
| | - Roy Rillera Marzo
- Department of Community Medicine, International Medical School, Management and Science University, Shah Alam, Malaysia
- Global Public Health, Jeffrey Cheah School of Medicine and Health Sciences, Monash University, Subang Jaya, Malaysia
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Koch BF. SARS-CoV-2 and human retroelements: a case for molecular mimicry? BMC Genom Data 2022; 23:27. [PMID: 35395708 PMCID: PMC8992427 DOI: 10.1186/s12863-022-01040-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Accepted: 03/16/2022] [Indexed: 01/12/2023] Open
Abstract
Background The factors driving the late phase of COVID-19 are still poorly understood. However, autoimmunity is an evolving theme in COVID-19’s pathogenesis. Additionally, deregulation of human retroelements (RE) is found in many viral infections, and has also been reported in COVID-19. Results Unexpectedly, coronaviruses (CoV) – including SARS-CoV-2 – harbour many RE-identical sequences (up to 35 base pairs), and some of these sequences are part of SARS-CoV-2 epitopes associated to COVID-19 severity. Furthermore, RE are expressed in healthy controls and human cells and become deregulated after SARS-CoV-2 infection, showing mainly changes in long interspersed nuclear element (LINE1) expression, but also in endogenous retroviruses. Conclusion CoV and human RE share coding sequences, which are targeted by antibodies in COVID-19 and thus could induce an autoimmune loop by molecular mimicry. Supplementary Information The online version contains supplementary material available at 10.1186/s12863-022-01040-2.
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Affiliation(s)
- Benjamin Florian Koch
- Department of Internal Medicine, Nephrology, Goethe University Hospital, Johann Wolfgang Goethe University Frankfurt/Main, Theodor-Stern-Kai 7, 60590, Frankfurt am Main, Germany.
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14
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Rathod BD, Amle D, Khot RS, Prathipati KK, Joshi PP. Neutrophil-to-Lymphocyte Ratio as a Predictor of Disease Severity and Mortality in Coronavirus Disease 2019: Prospective Study From Central India. Cureus 2022; 14:e23696. [PMID: 35519791 PMCID: PMC9064266 DOI: 10.7759/cureus.23696] [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] [Accepted: 03/31/2022] [Indexed: 11/08/2022] Open
Abstract
Background: Clinical presentation of coronavirus disease 2019 (COVID-19) varies from an asymptomatic state to severe disease characterized by acute respiratory distress syndrome, respiratory failure, thrombosis, and multi-organ dysfunction syndrome. The neutrophil-to-lymphocyte ratio (NLR) has been reviewed as one of the laboratory factors that have been proposed to predict the severity of disease and mortality in COVID-19 pandemic. Aim and objectives: To evaluate the association between NLR and the disease severity and mortality in COVID-19. Materials and methods: After approval from Institutional Ethics Committee, this prospective cohort study was carried out in a tertiary-care teaching medical institute of Central India. COVID-19 patients of the age group 18 years and above admitted during the study period were included. Cases were categorized into four groups as asymptomatic (Group A), mild (Group B), moderate (Group C), and severe (Group D) based on clinical symptoms, respiratory rate, oxygen saturation, and chest imaging. NLR was calculated by doing a complete blood count at the time of hospitalization by the Mindray BC-6000 auto hematology analyzer. The outcome of the disease was classified as recovery and death during hospitalization. Receiver operating characteristic (ROC) curve analysis was used to assess the ability of NLR at admission to predict severe COVID-19 or mortality. Ordinal regression analysis was used to assess the impact of NLR on disease severity and mortality. Results: Mean NLR was significantly higher in the severe COVID-19 group as compared to the mild/moderate group and in deceased as compared to discharged cases. ROC curve analysis revealed NLR to be an excellent predictor of disease severity as well as a prognostic parameter for risk of death. NLR was found to be a significant independent positive predictor for contracting the severe disease (Odd’s ratio 1.396, 95% CI=1.112-1.753, p=0.004) and mortality (Odd’s ratio 1.276, 95% CI=1.085-1.499, p=0.003). Conclusion: High NLR was significantly associated with the disease severity and mortality in COVID-19.
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Leonard A, Murray B, Prior AR, Srinivasan R, Kane A, Boran G. Survey of laboratory medicine's national response to the Covid-19 pandemic in the Republic of Ireland. Ir J Med Sci 2022; 191:65-69. [PMID: 33665780 PMCID: PMC7932685 DOI: 10.1007/s11845-021-02578-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2021] [Accepted: 02/26/2021] [Indexed: 01/08/2023]
Abstract
BACKGROUND The global SARS-CoV-2 pandemic placed Irish Laboratory Medicine services under sustained and massive strain. Rapid reconfiguration was required to introduce new assays at high capacity for diagnosis and monitoring of COVID-19, while maintaining existing services. AIM The aim of this national survey was to capture Laboratory Medicine's response across the Republic of Ireland during the first wave of the COVID-19 pandemic. METHODS An electronic survey developed using Microsoft Forms® was emailed on 5 October 2020 to 53 local representatives of the PeriAnalytic and Laboratory Medicine Society (PALMSoc), reaching 38 separate pathology departments in the country. RESULTS A total of 45 responses from 38 laboratories were received (72% response rate) representing a range of departments and disciplines. Most laboratories (63%) introduced new tests, and in a time frame of less than 6 weeks (80%). Point-of-care testing (POCT) played a significant role in the response to COVID-19, with almost half of respondents (47%) reporting that additional equipment was introduced. Maintenance of the Quality Management System (QMS) proved challenging, with 60% of respondents indicating that not all aspects were sustained. When asked about changes to staff rostering, 98% of respondents reported that changes were made. All adjustments were made despite staffing challenges; only 18% of respondents described the staffing levels in their department as 100% prior to the onset of the first wave. CONCLUSIONS This study confirms an agile and resilient response to the COVID-19 pandemic from Ireland's Laboratory Medicine services despite many economic and staffing challenges.
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Affiliation(s)
- Ann Leonard
- Department of Laboratory Medicine, Tallaght University Hospital, Dublin 24, Ireland.
- School of Medicine, Trinity College Dublin, Dublin, Ireland.
| | - Brian Murray
- Department of Laboratory Medicine, Tallaght University Hospital, Dublin 24, Ireland
| | - Anna Rose Prior
- Department of Clinical Microbiology, Tallaght University Hospital, Dublin 24, Ireland
| | - Rama Srinivasan
- Department of Chemical Pathology, Blackrock Clinic, Co., Dublin, Ireland
| | - Anne Kane
- Irish External Quality Assessment Scheme (IEQAS), Dublin 14, Ireland
| | - Gerard Boran
- Department of Laboratory Medicine, Tallaght University Hospital, Dublin 24, Ireland
- School of Medicine, Trinity College Dublin, Dublin, Ireland
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Hassan Shah SST, Naeem I, Wahid B. Analyzing Correlation of Clinical Severity of COVID-19 with Other Biochemical Parameters: A Retrospective Study from Pakistan. TOHOKU J EXP MED 2021; 255:315-323. [PMID: 34911879 DOI: 10.1620/tjem.255.315] [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: 11/18/2022]
Abstract
The third wave of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is causing damage all over the world, especially in Pakistan and India. Although vaccines are available and preventive measures are being taken, but SARS-CoV-2 is unstoppable. Currently, there are around 841,636 positive cases in Pakistan and 18,429 deaths, whereas, in India, both are high. From April 8th to 12th, 2021, nasopharyngeal swabs of 190 patients were submitted to PRL (PACP) lab for the SARS-CoV-2 testing, and blood samples were collected at the Mayo Hospital lab for ferritin, D-dimers, lactate dehydrogenase (LDH), and C-reactive protein (CRP) testing. This study observed that coronavirus disease 2019 (COVID-19) was more likely in individuals aged 51-60 than 61-70. In addition, our study found that COVID-19 patients exhibited a statistically significant increase in levels of ferritin, D-dimers, LDH, and CRP. In addition, this study found that COVID-19 patients had significantly higher levels of ferritin, D-dimers, LDH, and CRP. Our study revealed that SARS-CoV-2 relapsed. Furthermore, we concluded that these biochemical parameters are useful indicators for severity of COVID-19.
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Affiliation(s)
| | - Iqra Naeem
- Department of Life Science, School of Science, University of Management and Technology (UMT)
| | - Braira Wahid
- Laboratory of Antimicrobial Systems Pharmacology, Monash Biomedicine Discovery Institute, Department of Microbiology, Monash University
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Karimi A, Shobeiri P, Kulasinghe A, Rezaei N. Novel Systemic Inflammation Markers to Predict COVID-19 Prognosis. Front Immunol 2021; 12:741061. [PMID: 34745112 PMCID: PMC8569430 DOI: 10.3389/fimmu.2021.741061] [Citation(s) in RCA: 59] [Impact Index Per Article: 19.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2021] [Accepted: 09/28/2021] [Indexed: 12/15/2022] Open
Abstract
Coronavirus disease 2019 (COVID-19) has resulted in a global pandemic, challenging both the medical and scientific community for the development of novel vaccines and a greater understanding of the effects of the SARS-CoV-2 virus. COVID-19 has been associated with a pronounced and out-of-control inflammatory response. Studies have sought to understand the effects of inflammatory response markers to prognosticate the disease. Herein, we aimed to review the evidence of 11 groups of systemic inflammatory markers for risk-stratifying patients and prognosticating outcomes related to COVID-19. Numerous studies have demonstrated the effectiveness of neutrophil to lymphocyte ratio (NLR) in prognosticating patient outcomes, including but not limited to severe disease, hospitalization, intensive care unit (ICU) admission, intubation, and death. A few markers outperformed NLR in predicting outcomes, including 1) systemic immune-inflammation index (SII), 2) prognostic nutritional index (PNI), 3) C-reactive protein (CRP) to albumin ratio (CAR) and high-sensitivity CAR (hsCAR), and 4) CRP to prealbumin ratio (CPAR) and high-sensitivity CPAR (hsCPAR). However, there are a limited number of studies comparing NLR with these markers, and such conclusions require larger validation studies. Overall, the evidence suggests that most of the studied markers are able to predict COVID-19 prognosis, however NLR seems to be the most robust marker.
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Affiliation(s)
- Amirali Karimi
- School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
- Network of Immunity in Infection, Malignancy and Autoimmunity (NIIMA), Universal Scientific Education and Research Network (USERN), Tehran, Iran
| | - Parnian Shobeiri
- School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
- Network of Immunity in Infection, Malignancy and Autoimmunity (NIIMA), Universal Scientific Education and Research Network (USERN), Tehran, Iran
- Research Center for Immunodeficiencies, Pediatrics Center of Excellence, Children’s Medical Center, Tehran University of Medical Sciences, Tehran, Iran
- Non-Communicable Diseases Research Center, Endocrinology and Metabolism Population Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Arutha Kulasinghe
- Centre for Genomics and Personalised Health, School of Biomedical Q6 Sciences, Queensland University of Technology, Brisbane, QL, Australia
| | - Nima Rezaei
- Network of Immunity in Infection, Malignancy and Autoimmunity (NIIMA), Universal Scientific Education and Research Network (USERN), Tehran, Iran
- Research Center for Immunodeficiencies, Pediatrics Center of Excellence, Children’s Medical Center, Tehran University of Medical Sciences, Tehran, Iran
- Department of Immunology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
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18
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Chen A, Zhao Z, Hou W, Singer AJ, Li H, Duong TQ. Time-to-Death Longitudinal Characterization of Clinical Variables and Longitudinal Prediction of Mortality in COVID-19 Patients: A Two-Center Study. Front Med (Lausanne) 2021; 8:661940. [PMID: 33996864 PMCID: PMC8116568 DOI: 10.3389/fmed.2021.661940] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2021] [Accepted: 04/06/2021] [Indexed: 12/15/2022] Open
Abstract
Objectives: To characterize the temporal characteristics of clinical variables with time lock to mortality and build a predictive model of mortality associated with COVID-19 using clinical variables. Design: Retrospective cohort study of the temporal characteristics of clinical variables with time lock to mortality. Setting: Stony Brook University Hospital (New York) and Tongji Hospital. Patients: Patients with confirmed positive for severe acute respiratory syndrome coronavirus-2 using polymerase chain reaction testing. Patients from the Stony Brook University Hospital data were used for training (80%, N = 1,002) and testing (20%, N = 250), and 375 patients from the Tongji Hospital (Wuhan, China) data were used for testing. Intervention: None. Measurements and Main Results: Longitudinal clinical variables were analyzed as a function of days from outcome with time-lock-to-day of death (non-survivors) or discharge (survivors). A predictive model using the significant earliest predictors was constructed. Performance was evaluated using receiver operating characteristics area under the curve (AUC). The predictive model found lactate dehydrogenase, lymphocytes, procalcitonin, D-dimer, C-reactive protein, respiratory rate, and white-blood cells to be early predictors of mortality. The AUC for the zero to 9 days prior to outcome were: 0.99, 0.96, 0.94, 0.90, 0.82, 0.75, 0.73, 0.77, 0.79, and 0.73, respectively (Stony Brook Hospital), and 1.0, 0.86, 0.88, 0.96, 0.91, 0.62, 0.67, 0.50, 0.63, and 0.57, respectively (Tongji Hospital). In comparison, prediction performance using hospital admission data was poor (AUC = 0.59). Temporal fluctuations of most clinical variables, indicative of physiological and biochemical instability, were markedly higher in non-survivors compared to survivors (p < 0.001). Conclusion: This study identified several clinical markers that demonstrated a temporal progression associated with mortality. These variables accurately predicted death within a few days prior to outcome, which provides objective indication that closer monitoring and interventions may be needed to prevent deterioration.
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Affiliation(s)
- Anne Chen
- Department of Radiology, Montefiore Health System and Albert Einstein College of Medicine, Bronx, NY, United States.,Department of Radiology, Renaissance School of Medicine, Stony Brook University, Stony Brook, NY, United States
| | - Zirun Zhao
- Department of Radiology, Montefiore Health System and Albert Einstein College of Medicine, Bronx, NY, United States.,Department of Radiology, Renaissance School of Medicine, Stony Brook University, Stony Brook, NY, United States
| | - Wei Hou
- Department of Family Medicine, Renaissance School of Medicine, Stony Brook University, Stony Brook, NY, United States
| | - Adam J Singer
- Department of Emergency Medicine, Renaissance School of Medicine, Stony Brook University, Stony Brook, NY, United States
| | - Haifang Li
- Department of Radiology, Montefiore Health System and Albert Einstein College of Medicine, Bronx, NY, United States.,Department of Radiology, Renaissance School of Medicine, Stony Brook University, Stony Brook, NY, United States
| | - Tim Q Duong
- Department of Radiology, Montefiore Health System and Albert Einstein College of Medicine, Bronx, NY, United States
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19
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Leeming DJ, Genovese F, Sand JMB, Rasmussen DGK, Christiansen C, Jenkins G, Maher TM, Vestbo J, Karsdal MA. Can biomarkers of extracellular matrix remodelling and wound healing be used to identify high risk patients infected with SARS-CoV-2?: lessons learned from pulmonary fibrosis. Respir Res 2021; 22:38. [PMID: 33546680 PMCID: PMC7863042 DOI: 10.1186/s12931-020-01590-y] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2020] [Accepted: 11/29/2020] [Indexed: 02/08/2023] Open
Abstract
Pulmonary fibrosis has been identified as a main factor leading to pulmonary dysfunction and poor quality of life in post-recovery Severe Acute Respiratory Syndrome (SARS) survivor's consequent to SARS-Cov-2 infection. Thus there is an urgent medical need for identification of readily available biomarkers that in patients with SARS-Cov-2 infection are able to; (1) identify patients in most need of medical care prior to admittance to an intensive care unit (ICU), and; (2) identify patients post-infection at risk of developing persistent fibrosis of lungs with subsequent impaired quality of life and increased morbidity and mortality. An intense amount of research have focused on wound healing and Extracellular Matrix (ECM) remodelling of the lungs related to lung function decline in pulmonary fibrosis (PF). A range of non-invasive serological biomarkers, reflecting tissue remodelling, and fibrosis have been shown to predict risk of acute exacerbations, lung function decline and mortality in PF and other interstitial lung diseases (Sand et al. in Respir Res 19:82, 2018). We suggest that lessons learned from such PF studies of the pathological processes leading to lung function decline could be used to better identify patients infected with SARS-Co-V2 at most risk of acute deterioration or persistent fibrotic damage of the lung and could consequently be used to guide treatment decisions.
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Affiliation(s)
| | | | | | | | | | - G Jenkins
- Division of Respiratory Medicine, University of Nottingham, Nottingham, UK
| | - T M Maher
- Keck School of Medicine, University of Southern California, Los Angeles, USA
- National Heart and Lung Institute, Imperial College, London, UK
| | - J Vestbo
- Division of Infection Immunity and Respiratory Medicine, The University of Manchester and Manchester University NHS Foundation Trust, Manchester, England
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