<?xml version="1.0" encoding="UTF-8"?><?xml-stylesheet type="text/xsl" href="static/style.xsl"?><OAI-PMH xmlns="http://www.openarchives.org/OAI/2.0/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/ http://www.openarchives.org/OAI/2.0/OAI-PMH.xsd"><responseDate>2026-06-14T02:29:23Z</responseDate><request verb="GetRecord" identifier="oai:repisalud.isciii.es:20.500.12105/15720" metadataPrefix="marc">https://repisalud.isciii.es/rest/oai/request</request><GetRecord><record><header><identifier>oai:repisalud.isciii.es:20.500.12105/15720</identifier><datestamp>2024-09-27T08:18:14Z</datestamp><setSpec>com_20.500.12105_19604</setSpec><setSpec>com_20.500.12105_2051</setSpec><setSpec>col_20.500.12105_19605</setSpec></header><metadata><record xmlns="http://www.loc.gov/MARC21/slim" xmlns:dcterms="http://purl.org/dc/terms/" xmlns:doc="http://www.lyncode.com/xoai" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.loc.gov/MARC21/slim http://www.loc.gov/standards/marcxml/schema/MARC21slim.xsd">
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      <subfield code="a">Ros-Lucas, José Antonio</subfield>
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      <subfield code="a">Pascual-Figal, Domingo A</subfield>
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      <subfield code="a">Noguera-Velasco, José Antonio</subfield>
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      <subfield code="a">Hernández-Vicente, Álvaro</subfield>
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      <subfield code="a">Cebreiros-López, Iria</subfield>
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      <subfield code="a">Arnaldos-Carrillo, María</subfield>
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      <subfield code="a">Martínez-Ardil, Isabel M</subfield>
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      <subfield code="a">García-Vázquez, Elisa</subfield>
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      <subfield code="a">Aparicio-Vicente, Mario</subfield>
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      <subfield code="a">Solana-Martínez, Elena</subfield>
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      <subfield code="a">Ruiz-Martínez, Sheyla Yolany</subfield>
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      <subfield code="a">Fernández-Mula, Laura</subfield>
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      <subfield code="a">Andujar-Espinosa, Rubén</subfield>
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      <subfield code="a">Fernández-Suarez, Beatriz</subfield>
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      <subfield code="a">Sánchez-Caro, Maria Dolores</subfield>
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      <subfield code="a">Peñalver-Mellado, Carlos</subfield>
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      <subfield code="a">Ruiz-López, Francisco José</subfield>
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      <subfield code="c">2022-04-25</subfield>
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      <subfield code="a">The severity of lung involvement is the main prognostic factor in severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection. Carbohydrate antigen 15-3 (CA 15-3), a marker of lung damage and fibrosis, could help predict the prognosis of SARS-CoV-2 pneumonia. This was a retrospective and observational study. CA 15-3 was analyzed in the blood samples of patients consecutively admitted for SARS-CoV-2 pneumonia and whose blood samples were available in the biobank. Other prognostic markers were also measured (interleukin 6 [IL6], C-reactive protein [CRP], D-dimer, troponin T, and NT-ProBNP). The occurrence of in-hospital complications was registered, including death, the need for medical intensive care, and oxygen therapy at discharge. In this study, 539 patients were recruited (54.9% men, mean age: 59.6 ± 16.4 years). At admission, the mean concentrations of CA 15-3 was 20.5 ± 15.8 U/mL, and the concentration was correlated with male sex, older age, and other severity markers of coronavirus disease of 2019 (COVID-19) (IL6, CRP, D-dimer, troponine T, and NT-ProBNP). CA 15-3 levels were higher in patients who died (n = 56, 10.4%) (35.33 ± 30.45 vs. 18.8 ± 12.11, p &lt; 0.001), who required intensive medical support (n = 78, 14.4%; 31.17 ± 27.83 vs. 18.68 ± 11.83; p &lt; 0.001), and who were discharged with supplemental oxygen (n = 64, 13.3%; 22.65 ± 14.41 vs. 18.2 ± 11.7; p = 0.011). Elevated CA 15-3 levels (above 34.5 U/mL) were a strong predictor of a complicated in-hospital course, in terms of a higher risk of death (adjusted odds ratio [OR] 3.74, 95% confidence interval [CI]: 1.22-11.9, p = 0.022) and need for intensive care (adjusted OR 4.56, 95% CI: 1.37-15.8) after adjusting for all other risk factors. The degree of lung damage and fibrosis evaluated in terms of CA 15-3 concentrations may allow early identification of the increased risk of complications in patients with SARS-CoV-2 pneumonia.</subfield>
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      <subfield code="a">Sci Rep. 2022 Apr 25;12(1):6738</subfield>
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      <subfield code="a">10.1038/s41598-022-10726-7</subfield>
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      <subfield code="a">2045-2322</subfield>
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      <subfield code="a">Scientific reports</subfield>
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      <subfield code="a">35469047</subfield>
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      <subfield code="a">http://hdl.handle.net/20.500.12105/15720</subfield>
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      <subfield code="a">CA 15-3 prognostic biomarker in SARS-CoV-2 pneumonia.</subfield>
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