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Schoenmakers T, Leers MPG, Deneer R, van Rosmalen F, Gorissen SHM, Verboeket-van de Venne WPHG, Vojinovic U, van Mook WNKA, Wolffs PFG, van Bussel BCT, van Loo IHM. The CoLab score is associated with SARS-CoV-2 viral load during admission in individuals admitted to the intensive care unit: the CoLaIC cohort study. Clin Chem Lab Med 2024; 62:1228-1236. [PMID: 38501687 DOI: 10.1515/cclm-2024-0030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2024] [Accepted: 03/01/2024] [Indexed: 03/20/2024]
Abstract
OBJECTIVES The present study examines the temporal association between the changes in SARS-CoV-2 viral load during infection and whether the CoLab-score can facilitate de-isolation. METHODS Nasal swabs and blood samples were collected from ICU-admitted SARS-CoV-2 positive patients at Maastricht UMC+ from March 25, 2020 to October 1, 2021. The CoLab-score was calculated based on 10 blood parameters and age and can range from -43 to 6. Three mixed effects analyses compared patient categories based on initial PCR Ct values (low; Ct≤20, mid; 20>Ct≤30, high; Ct>30), serial PCR Ct values to CoLab-scores over time, and the association between within-patient delta Ct values and CoLab-scores. RESULTS In 324 patients, the median Ct was 33, and the median CoLab-score was -1.78. Mid (n=110) and low (n=41) Ct-categories had higher CoLab-scores over time (+0.60 points, 95 % CI; 0.04-1.17, and +0.28 points, 95 % CI -0.49 to 1.04) compared to the high Ct (n=87) category. Over time, higher serial Ct values were associated with lower serial CoLab-scores, decreasing by -0.07 points (95 % CI; -0.11 to -0.02) per day. Increasing delta Ct values were associated with a decreasing delta CoLab-score of -0.12 (95 % CI; -0.23; -0.01). CONCLUSIONS The study found an association between lower viral load on admission and reduced CoLab-score. Additionally, a decrease in viral load over time was associated with a decrease in CoLab-score. Therefore, the CoLab-score may make patient de-isolation an option based on the CoLab-score.
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Affiliation(s)
- Tom Schoenmakers
- Department of Clinical Chemistry & Hematology, Zuyderland Medical Center, Sittard-Geleen/Heerlen, The Netherlands
- School of Nutrition and Translational Research in Metabolism (NUTRIM), University of Maastricht, Maastricht, The Netherlands
- Department of Intensive Care Medicine, Maastricht University Medical Center +, Maastricht, The Netherlands
| | - Mathie P G Leers
- Department of Clinical Chemistry & Hematology, Zuyderland Medical Center, Sittard-Geleen/Heerlen, The Netherlands
- School of Nutrition and Translational Research in Metabolism (NUTRIM), University of Maastricht, Maastricht, The Netherlands
- Faculty of Science, Environmental Sciences, Open Universiteit, Heerlen, The Netherlands
| | - Ruben Deneer
- Department of Clinical Chemistry & Hematology, Zuyderland Medical Center, Sittard-Geleen/Heerlen, The Netherlands
- Faculty of Biomedical Engineering, Eindhoven University of Technology, Eindhoven, The Netherlands
| | - Frank van Rosmalen
- Department of Intensive Care Medicine, Maastricht University Medical Center +, Maastricht, The Netherlands
- Cardiovascular Research Institute Maastricht (CARIM), Maastricht University, Maastricht, The Netherlands
| | - Stefan H M Gorissen
- Zuyderland Academy, Zuyderland Medical Center, Sittard-Geleen/Heerlen, The Netherlands
| | | | - Una Vojinovic
- Department of Medical Microbiology, Infectious Diseases and Infection Prevention, Maastricht University Medical Center +, Maastricht, The Netherlands
| | - Walther N K A van Mook
- Department of Intensive Care Medicine, Maastricht University Medical Center +, Maastricht, The Netherlands
- School of Health Professions Education (SHE), Maastricht University, Maastricht, The Netherlands
| | - Petra F G Wolffs
- Department of Medical Microbiology, Infectious Diseases and Infection Prevention, Maastricht University Medical Center +, Maastricht, The Netherlands
- Care and Public Health Research Institute (CAPHRI), Maastricht University, Maastricht, The Netherlands
| | - Bas C T van Bussel
- Department of Intensive Care Medicine, Maastricht University Medical Center +, Maastricht, The Netherlands
- Cardiovascular Research Institute Maastricht (CARIM), Maastricht University, Maastricht, The Netherlands
- Care and Public Health Research Institute (CAPHRI), Maastricht University, Maastricht, The Netherlands
| | - Inge H M van Loo
- Department of Medical Microbiology, Infectious Diseases and Infection Prevention, Maastricht University Medical Center +, Maastricht, The Netherlands
- Care and Public Health Research Institute (CAPHRI), Maastricht University, Maastricht, The Netherlands
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van Galen KPM, Sanders YV, Vojinovic U, Eikenboom J, Cnossen MH, Schutgens REG, van der Bom JG, Fijnvandraat K, Laros-Van Gorkom BAP, Meijer K, Leebeek FWG, Mauser-Bunschoten EP. Joint bleeds in von Willebrand disease patients have significant impact on quality of life and joint integrity: a cross-sectional study. Haemophilia 2015; 21:e185-e192. [PMID: 25854528 DOI: 10.1111/hae.12670] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/20/2015] [Indexed: 11/29/2022]
Abstract
BACKGROUND Joint bleeds (JB) are reported in a minority of patients with von Willebrand disease (VWD) but may lead to structural joint damage. Prevalence, severity and impact of JB in VWD are largely unknown. OBJECTIVES The aim of this study was to assess JB prevalence, onset, treatment and impact on health-related quality of life (HR-QoL) and joint integrity in moderate and severe VWD. METHODS In the Willebrand in the Netherlands study 804 moderate and severe VWD patients [von Willebrand factor (VWF) activity ≤30U dL(-1)] completed a questionnaire on occurrence, sites and consequences of JB. To analyse JB number, onset, treatment and impact on joint integrity we additionally performed a patient-control study on medical file data comparing patients with JB to age, gender, factor VIII (FVIII)- and VWF activity matched VWD patients without JB. RESULTS Of all VWD patients 23% (184/804) self-reported JB. These 184 patients reported joint damage more often (54% vs. 18%, P < 0.001) and had lower HR-QoL (SF36, P < 0.05) compared to VWD patients not reporting JB. Of 55 patients with available JB data, 65% had the first JB before age 16. These 55 patients used more clotting factor concentrate (CFC; median dose 43 vs. 0 IE FVIII kg(-1) year(-1) , P < 0.001), more often had X-ray joint damage (44% vs. 11%, P = 0.001] and chronic joint pain (44% vs. 18%, P = 0.008) compared to 55 control VWD patients without JB. CONCLUSION In conclusion, joint bleeds are reported by 23% of moderate and severe VWD patients, mostly start in childhood, are associated with more CFC use, joint pain, lower HR-QoL and significantly more radiological and self-reported joint damage.
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Affiliation(s)
- K P M van Galen
- Department of Van Creveldkliniek, University Medical Center Utrecht, Utrecht, The Netherlands
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