Evidence map›Paper›PMID 35654316›Full record

ArticleClinical microbiology and infection : the official publication of the European Society of Clinical Microbiology and Infectious Diseases2022

N-antigenemia detection by a rapid lateral flow test predicts 90-day mortality in COVID-19: A prospective cohort study.

Raquel Almansa, Jose María Eiros, David de Gonzalo-Calvo, Tamara Postigo, Alicia Ortega, Raul Lopez-Izquierdo, Anna Moncusí-Moix, Clara Gort-Paniello, Marta Dominguez-Gil, Amanda de la Fuente and 24 more

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Article in Clinical microbiology and infection : the official publication of the European Society of Clinical Microbiology and Infectious Diseases, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.

0numbers the graph read from it
0cells of the map it votes in
4citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

4 citing papers in PubMed.

  1. Trial
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

34 authors.

Raquel AlmansaGroup for Biomedical Research in Sepsis (BioSepsis), Instituto de Investigación Biomédica de Salamanca, (IBSAL), Gerencia Regional de Salud de Castilla y León, Salamanca, Spain; Department of Cellular Biology, Hystology and Pharmacology, University of Valladolid, Spain; Centro de Investigación Biomédica en Red en Enfermedades Respiratorias (CIBERES), Instituto de Salud Carlos III, Spain.
Jose María EirosMicrobiology Service, Hospital Universitario Río Hortega, Gerencia Regional de Salud de Castilla y León, Valladolid, Spain.
David de Gonzalo-CalvoCentro de Investigación Biomédica en Red en Enfermedades Respiratorias (CIBERES), Instituto de Salud Carlos III, Spain; Translational Research in Respiratory Medicine, University Hospital Arnau de Vilanova and Santa Maria, IRB Lleida, Lleida Spain.
Tamara PostigoGroup for Biomedical Research in Sepsis (BioSepsis), Instituto de Investigación Biomédica de Salamanca, (IBSAL), Gerencia Regional de Salud de Castilla y León, Salamanca, Spain; Research Unit, Hospital Universitario Río Hortega, Gerencia Regional de Salud de Castilla y León, Valladolid, Spain.
Alicia OrtegaGroup for Biomedical Research in Sepsis (BioSepsis), Instituto de Investigación Biomédica de Salamanca, (IBSAL), Gerencia Regional de Salud de Castilla y León, Salamanca, Spain; Research Unit, Hospital Universitario Río Hortega, Gerencia Regional de Salud de Castilla y León, Valladolid, Spain.
Raul Lopez-IzquierdoEmergency Medicine Department, Hospital Universitario Río Hortega, Gerencia Regional de Salud de Castilla y León, Valladolid, Spain.
Anna Moncusí-MoixCentro de Investigación Biomédica en Red en Enfermedades Respiratorias (CIBERES), Instituto de Salud Carlos III, Spain; Translational Research in Respiratory Medicine, University Hospital Arnau de Vilanova and Santa Maria, IRB Lleida, Lleida Spain.
Clara Gort-PanielloCentro de Investigación Biomédica en Red en Enfermedades Respiratorias (CIBERES), Instituto de Salud Carlos III, Spain; Translational Research in Respiratory Medicine, University Hospital Arnau de Vilanova and Santa Maria, IRB Lleida, Lleida Spain.
Marta Dominguez-GilMicrobiology Service, Hospital Universitario Río Hortega, Gerencia Regional de Salud de Castilla y León, Valladolid, Spain.
Amanda de la FuenteGroup for Biomedical Research in Sepsis (BioSepsis), Instituto de Investigación Biomédica de Salamanca, (IBSAL), Gerencia Regional de Salud de Castilla y León, Salamanca, Spain; Research Unit, Hospital Universitario Río Hortega, Gerencia Regional de Salud de Castilla y León, Valladolid, Spain.
Laura González-GonzálezGroup for Biomedical Research in Sepsis (BioSepsis), Instituto de Investigación Biomédica de Salamanca, (IBSAL), Gerencia Regional de Salud de Castilla y León, Salamanca, Spain; Centro de Investigación Biomédica en Red en Enfermedades Respiratorias (CIBERES), Instituto de Salud Carlos III, Spain.
Tania Luis-GarcíaGroup for Biomedical Research in Sepsis (BioSepsis), Instituto de Investigación Biomédica de Salamanca, (IBSAL), Gerencia Regional de Salud de Castilla y León, Salamanca, Spain; Centro de Investigación Biomédica en Red en Enfermedades Respiratorias (CIBERES), Instituto de Salud Carlos III, Spain.
Nadia García-MateoGroup for Biomedical Research in Sepsis (BioSepsis), Instituto de Investigación Biomédica de Salamanca, (IBSAL), Gerencia Regional de Salud de Castilla y León, Salamanca, Spain; Research Unit, Hospital Universitario Río Hortega, Gerencia Regional de Salud de Castilla y León, Valladolid, Spain.
Ana P TedimGroup for Biomedical Research in Sepsis (BioSepsis), Instituto de Investigación Biomédica de Salamanca, (IBSAL), Gerencia Regional de Salud de Castilla y León, Salamanca, Spain; Research Unit, Hospital Universitario Río Hortega, Gerencia Regional de Salud de Castilla y León, Valladolid, Spain.
Fátima Rodríguez-JaraCentro de Investigación Biomédica en Red en Enfermedades Respiratorias (CIBERES), Instituto de Salud Carlos III, Spain; Translational Research in Respiratory Medicine, University Hospital Arnau de Vilanova and Santa Maria, IRB Lleida, Lleida Spain.
Noelia JorgeGroup for Biomedical Research in Sepsis (BioSepsis), Instituto de Investigación Biomédica de Salamanca, (IBSAL), Gerencia Regional de Salud de Castilla y León, Salamanca, Spain; Centro de Investigación Biomédica en Red en Enfermedades Respiratorias (CIBERES), Instituto de Salud Carlos III, Spain.
Jessica GonzálezTranslational Research in Respiratory Medicine, University Hospital Arnau de Vilanova and Santa Maria, IRB Lleida, Lleida Spain.
Gerard TorresCentro de Investigación Biomédica en Red en Enfermedades Respiratorias (CIBERES), Instituto de Salud Carlos III, Spain; Translational Research in Respiratory Medicine, University Hospital Arnau de Vilanova and Santa Maria, IRB Lleida, Lleida Spain.
Oliver Norberto Gutiérrez-PérezHematology Service, Hospital Universitario Río Hortega, Gerencia Regional de Salud de Castilla y León, Valladolid, Spain.
Maria José VillegasHematology Service, Hospital Universitario Río Hortega, Gerencia Regional de Salud de Castilla y León, Valladolid, Spain.
Sonia CampoHematology Service, Hospital Universitario Río Hortega, Gerencia Regional de Salud de Castilla y León, Valladolid, Spain.
Eva AyllonHematology Service, Hospital Universitario Río Hortega, Gerencia Regional de Salud de Castilla y León, Valladolid, Spain.
Tomás Ruiz AlbiPneumology Service, Hospital Universitario Río Hortega, Gerencia Regional de Salud de Castilla y León, Valladolid, Spain.
Julio de Frutos ArribasPneumology Service, Hospital Universitario Río Hortega, Gerencia Regional de Salud de Castilla y León, Valladolid, Spain; Department of Medicine, Dermatology and Toxicology, School of Medicine, University of Valladolid, Valladolid, Spain.
Ainhoa Arroyo DomingoPneumology Service, Hospital Universitario Río Hortega, Gerencia Regional de Salud de Castilla y León, Valladolid, Spain.
Jesica Abadia-OteroInternal Medicine Service, Hospital Universitario Río Hortega, Gerencia Regional de Salud de Castilla y León, Valladolid, Spain.
Julia Gómez BarqueroInternal Medicine Service, Hospital Universitario Río Hortega, Gerencia Regional de Salud de Castilla y León, Valladolid, Spain.
Wysali TrapielloClinical Analysis Service, Hospital Clínico Universitario de Valladolid, Gerencia Regional de Salud de Castilla y León, Valladolid, Spain.
Luis Javier Garcia FradeHematology Service, Hospital Universitario Río Hortega, Gerencia Regional de Salud de Castilla y León, Valladolid, Spain.
Luis IngladaInternal Medicine Service, Hospital Universitario Río Hortega, Gerencia Regional de Salud de Castilla y León, Valladolid, Spain.
Felix Del CampoDepartment of Medicine, Dermatology and Toxicology, School of Medicine, University of Valladolid, Valladolid, Spain; Centro de Investigación Biomédica en Red en Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN), Instituto de Salud Carlos III, Madrid, Spain; Pneumology Service, Hospital Universitario Río Hortega, Gerencia Regional de Salud de Castilla y León, Valladolid, Spain.
Jesús F Bermejo-MartinGroup for Biomedical Research in Sepsis (BioSepsis), Instituto de Investigación Biomédica de Salamanca, (IBSAL), Gerencia Regional de Salud de Castilla y León, Salamanca, Spain; Centro de Investigación Biomédica en Red en Enfermedades Respiratorias (CIBERES), Instituto de Salud Carlos III, Spain; Research Unit, Hospital Universitario Río Hortega, Gerencia Regional de Salud de Castilla y León, Valladolid, Spain. Electronic address: jfbermejo@saludcastillayleon.es.
Ferran BarbéCentro de Investigación Biomédica en Red en Enfermedades Respiratorias (CIBERES), Instituto de Salud Carlos III, Spain; Translational Research in Respiratory Medicine, University Hospital Arnau de Vilanova and Santa Maria, IRB Lleida, Lleida Spain.
Antoni TorresCentro de Investigación Biomédica en Red en Enfermedades Respiratorias (CIBERES), Instituto de Salud Carlos III, Spain; Department of Pulmonology, Hospital Clinic de Barcelona, Universidad de Barcelona, Institut D investigacions August Pi I Sunyer (IDIBAPS), Barcelona, Spain; Catalan Institution for Research and Advanced Studies, Barcelona, Spain.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

objectivesTo evaluate if the detection of N antigen of SARS-CoV-2 in plasma by a rapid lateral flow test predicts 90-day mortality in COVID-19 patients hospitalized at the wards.

methodsThe presence of N-antigenemia was evaluated in the first 36 hours after hospitalization in 600 unvaccinated COVID-19 patients, by using the Panbio COVID-19 Ag Rapid Test Device from Abbott (Abbott Laboratories Inc., Chicago, IL, USA). The impact of N-antigenemia on 90-day mortality was assessed by multivariable Cox regression analysis.

resultsPrevalence of N-antigenemia at hospitalization was higher in nonsurvivors (69% (82/118) vs. 52% (250/482); p < 0.001). The patients with N-antigenemia showed more frequently RNAemia (45.7% (148/324) vs. 19.8% (51/257); p < 0.001), absence of anti-SARS-CoV-2 N antibodies (80.7% (264/327) vs. 26.6% (69/259); p < 0.001) and absence of S1 antibodies (73.4% (240/327) vs. 23.6% (61/259); p < 0.001). The patients with antigenemia showed more frequently acute respiratory distress syndrome (30.1% (100/332) vs. 18.7% (50/268); p = 0.001) and nosocomial infections (13.6% (45/331) vs. 7.9% (21/267); p = 0.026). N-antigenemia was a risk factor for increased 90-day mortality in the multivariable analysis (HR, 1.99 (95% CI,1.09-3.61), whereas the presence of anti-SARS-CoV-2 N-antibodies represented a protective factor (HR, 0.47 (95% CI, 0.26-0.85). DISCUSSION: The presence of N-antigenemia or the absence of anti-SARS-CoV-2 N-antibodies after hospitalization is associated to increased 90-day mortality in unvaccinated COVID-19 patients. Detection of N-antigenemia by using lateral flow tests is a quick, widely available tool that could contribute to early identify those COVID-19 patients at risk of deterioration.

Indexed as

COVID-19Antibodies, ViralCOVID-19 TestingHumansProspective StudiesSARS-CoV-2Antibodies, ViralAntigenemiaCOVID-19HospitalizedMortalityRapid test

Identifiers

PMID35654316
PMCPMC9150910

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