Persistence of IgM SARS-COV-2 in patients who completed quarantine for COVID-19, in Arequipa, Peru
Objective: To analyze clinical characteristics of convalescent patients for COVID-19 who show persistence of IgM. Materials and methods: Analytical study; 614 patients were evaluated from day 21 to 175 after onset of symptoms. There were 19 cases with positive IgM (3.1%). A control group was used t...
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| Autores principales: | , , |
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| Formato: | Artículo revista |
| Lenguaje: | Español |
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Escuela de Salud Pública y Ambiente. Fac. Cs. Médicas UNC
2023
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| Acceso en línea: | https://revistas.unc.edu.ar/index.php/RSD/article/view/32051 |
| Aporte de: |
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I10-R360-article-32051 |
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ojs |
| institution |
Universidad Nacional de Córdoba |
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I-10 |
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R-360 |
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Revista de Salud Pública |
| language |
Español |
| format |
Artículo revista |
| topic |
Coronavirus Infections Serology Immunoglobulin M False Positive Reactions Rheumatoid Factor infecciones por coronavirus serología inmmunoglobulina M Reacciones Falso Positivas Enfermedades Autoinmunes Factor reumatoideo |
| spellingShingle |
Coronavirus Infections Serology Immunoglobulin M False Positive Reactions Rheumatoid Factor infecciones por coronavirus serología inmmunoglobulina M Reacciones Falso Positivas Enfermedades Autoinmunes Factor reumatoideo Gamarra Manrique, Renzo Reynaldo Moscoso Pinares, Sara Angélica Riveros Alvaro, Jael Doria Persistence of IgM SARS-COV-2 in patients who completed quarantine for COVID-19, in Arequipa, Peru |
| topic_facet |
Coronavirus Infections Serology Immunoglobulin M False Positive Reactions Rheumatoid Factor infecciones por coronavirus serología inmmunoglobulina M Reacciones Falso Positivas Enfermedades Autoinmunes Factor reumatoideo |
| author |
Gamarra Manrique, Renzo Reynaldo Moscoso Pinares, Sara Angélica Riveros Alvaro, Jael Doria |
| author_facet |
Gamarra Manrique, Renzo Reynaldo Moscoso Pinares, Sara Angélica Riveros Alvaro, Jael Doria |
| author_sort |
Gamarra Manrique, Renzo Reynaldo |
| title |
Persistence of IgM SARS-COV-2 in patients who completed quarantine for COVID-19, in Arequipa, Peru |
| title_short |
Persistence of IgM SARS-COV-2 in patients who completed quarantine for COVID-19, in Arequipa, Peru |
| title_full |
Persistence of IgM SARS-COV-2 in patients who completed quarantine for COVID-19, in Arequipa, Peru |
| title_fullStr |
Persistence of IgM SARS-COV-2 in patients who completed quarantine for COVID-19, in Arequipa, Peru |
| title_full_unstemmed |
Persistence of IgM SARS-COV-2 in patients who completed quarantine for COVID-19, in Arequipa, Peru |
| title_sort |
persistence of igm sars-cov-2 in patients who completed quarantine for covid-19, in arequipa, peru |
| description |
Objective: To analyze clinical characteristics of convalescent patients for COVID-19 who show persistence of IgM.
Materials and methods: Analytical study; 614 patients were evaluated from day 21 to 175 after onset of symptoms. There were 19 cases with positive IgM (3.1%). A control group was used to compare clinical variables, grouping them into categories and applying chi-squared test or Fisher's exact test (p <0.05).
Results: Cases of positive IgM were recorded from the end of quarantine (day 21), reaching the highest number during the 44-65-day interval (42.1%). An association was found between the presence of positive IgM and autoimmune diseases (p = 0.02).
Conclusions: There is persistence of SARS-CoV-2 IgM positivity up to 175 days after the onset of symptoms, mainly associated with cross-reactivity with autoimmune diseases. This provides useful information to clarify causes and help in medical management.
Keywords: coronavirus infections; serology; immunoglobulin M, false positive reactions; autoimmune diseases. |
| publisher |
Escuela de Salud Pública y Ambiente. Fac. Cs. Médicas UNC |
| publishDate |
2023 |
| url |
https://revistas.unc.edu.ar/index.php/RSD/article/view/32051 |
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2024-09-03T22:27:09Z |
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I10-R360-article-320512025-04-03T12:05:30Z Persistence of IgM SARS-COV-2 in patients who completed quarantine for COVID-19, in Arequipa, Peru Persistencia de IgM SARS-CoV-2 en pacientes que completaron cuarentena para COVID-19 en Arequipa, Perú Persistência de IgM SARS-COV-2 em pacientes que completaram quarentena para COVID-19, em Arequipa, Peru Gamarra Manrique, Renzo Reynaldo Moscoso Pinares, Sara Angélica Riveros Alvaro, Jael Doria Coronavirus Infections Serology Immunoglobulin M False Positive Reactions Rheumatoid Factor infecciones por coronavirus serología inmmunoglobulina M Reacciones Falso Positivas Enfermedades Autoinmunes Factor reumatoideo Objective: To analyze clinical characteristics of convalescent patients for COVID-19 who show persistence of IgM. Materials and methods: Analytical study; 614 patients were evaluated from day 21 to 175 after onset of symptoms. There were 19 cases with positive IgM (3.1%). A control group was used to compare clinical variables, grouping them into categories and applying chi-squared test or Fisher's exact test (p <0.05). Results: Cases of positive IgM were recorded from the end of quarantine (day 21), reaching the highest number during the 44-65-day interval (42.1%). An association was found between the presence of positive IgM and autoimmune diseases (p = 0.02). Conclusions: There is persistence of SARS-CoV-2 IgM positivity up to 175 days after the onset of symptoms, mainly associated with cross-reactivity with autoimmune diseases. This provides useful information to clarify causes and help in medical management. Keywords: coronavirus infections; serology; immunoglobulin M, false positive reactions; autoimmune diseases. Objetivo: Analizar las características clínicas de pacientes convalecientes para COVID-19, que presentan persistencia de IgM. Métodos: Estudio analítico. Se evaluaron 614 pacientes, a partir del día 21 hasta 175 posteriores al inicio de los síntomas. Resultaron 19 casos con IgM positivo (3,1%). Un grupo control se utilizó para comparar las variables clínicas, agrupándolas por categorías y aplicando la prueba chi-cuadrado o exacta de Fisher (p<0,05). Resultados: A partir del término de cuarentena (día 21), se registron casos de IgM positiva, alcanzando el mayor número durante el intervalo de 44-65 días (42,1%). Se encontró asociación entre la presencia de IgM positiva y enfermedades autoinmunes (p=0,02). Conclusiones: Hay persistencia de positividad para IgM SARS-CoV-2 hasta 175 días después del inicio de síntomas, asociado principalmente a reacción cruzada con enfermedades autoinmunes. Se aporta información útil para aclarar las causas y ayudar en la conducta médica. Palabras clave: infecciones por coronavirus; serología; inmunoglobulina M, reacciones falso positivas; enfermedades autoinmunes. Objetivo: Analisar as características clínicas de pacientes convalescentes para COVID-19, que apresentam persistência de IgM. Material e métodos: Estudo analítico. Foram avaliados 614 pacientes, do dia 21 ao 175 após o início dos sintomas. Houve 19 casos com IgM positivo (3,1%). Um grupo controle foi utilizado para comparar as variáveis clínicas, agrupando-as por categorias e aplicando o teste Xi-quadrado ou exato de Fisher (p<0,05). Resultados: A partir do final da quarentena (dia 21), foram registrados casos positivos de IgM, atingindo o maior número no intervalo de 44-65 dias (42,1%). Evidenciou-se associação entre a presença de IgM positiva e doenças autoimunes (p=0,02). Conclusões: Há persistência de positividade para IgM SARS-CoV-2 até 175 dias após o início dos sintomas, principalmente associada à reação cruzada com doenças autoimunes. Fornecem-se informações úteis para esclarecer as causas e auxiliar no tratamento médico. Palavras-chave: infecções por coronavírus; sorologia; imunoglobulina M, reações falso-positivas; doenças autoimunes. Escuela de Salud Pública y Ambiente. Fac. Cs. Médicas UNC 2023-06-30 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion application/pdf text/html https://revistas.unc.edu.ar/index.php/RSD/article/view/32051 10.31052/1853.1180.v29.n1.32051 Revista de Salud Pública; Vol. 29 Núm. 1 (2023): Revista de Salud Pública 1852-9429 1853-1180 10.31052/1853.1180.v29.n1 spa https://revistas.unc.edu.ar/index.php/RSD/article/view/32051/41705 https://revistas.unc.edu.ar/index.php/RSD/article/view/32051/41706 Derechos de autor 2023 Universidad Nacional de Córdoba https://creativecommons.org/licenses/by-nc/4.0 |