Clinical-pathological characterization, viral genotipification and genetic heterogeneity as risk determinants in COVID-19: Study design and initial findings
Descripción del Articulo
Introduction: The objective of the study is to describe the clinical, pathological, virological and genetic characteristics ofthe immune response of patients diagnosed with SARS-CoV-2 infection and its relationship with the unfavorable courseof the disease. Methods: Descriptive, relational, longitud...
| Autores: | , , , , , , |
|---|---|
| Formato: | artículo |
| Fecha de Publicación: | 2020 |
| Institución: | Universidad Ricardo Palma |
| Repositorio: | Revista URP - Revista de la Facultad de Medicina Humana |
| Lenguaje: | español inglés |
| OAI Identifier: | oai:oai.revistas.urp.edu.pe:article/3040 |
| Enlace del recurso: | http://revistas.urp.edu.pe/index.php/RFMH/article/view/3040 |
| Nivel de acceso: | acceso abierto |
| Materia: | SARS-COV-2 COVID-19 Pathology Inmunohistoquímica |
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Revista URP - Revista de la Facultad de Medicina Humana |
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Clinical-pathological characterization, viral genotipification and genetic heterogeneity as risk determinants in COVID-19: Study design and initial findings Caracterización clínico-patológica, genotipificación viral y heterogeneidad genética como determinantes de riesgo en COVID-19: Diseño del estudio y hallazgos iniciales |
| title |
Clinical-pathological characterization, viral genotipification and genetic heterogeneity as risk determinants in COVID-19: Study design and initial findings |
| spellingShingle |
Clinical-pathological characterization, viral genotipification and genetic heterogeneity as risk determinants in COVID-19: Study design and initial findings Mac Dowall, Mauricio Postigo SARS-COV-2 COVID-19 Pathology Inmunohistoquímica |
| title_short |
Clinical-pathological characterization, viral genotipification and genetic heterogeneity as risk determinants in COVID-19: Study design and initial findings |
| title_full |
Clinical-pathological characterization, viral genotipification and genetic heterogeneity as risk determinants in COVID-19: Study design and initial findings |
| title_fullStr |
Clinical-pathological characterization, viral genotipification and genetic heterogeneity as risk determinants in COVID-19: Study design and initial findings |
| title_full_unstemmed |
Clinical-pathological characterization, viral genotipification and genetic heterogeneity as risk determinants in COVID-19: Study design and initial findings |
| title_sort |
Clinical-pathological characterization, viral genotipification and genetic heterogeneity as risk determinants in COVID-19: Study design and initial findings |
| dc.creator.none.fl_str_mv |
Mac Dowall, Mauricio Postigo Barrionuevo-Poquet, Alejandro Carnero-Fuentes, Oscar Pareja-Begazo, Guido Coayla-Cano, Claudio Gallo-Lopez, Aly De La Cruz-Vargas, Jhony A. |
| author |
Mac Dowall, Mauricio Postigo |
| author_facet |
Mac Dowall, Mauricio Postigo Barrionuevo-Poquet, Alejandro Carnero-Fuentes, Oscar Pareja-Begazo, Guido Coayla-Cano, Claudio Gallo-Lopez, Aly De La Cruz-Vargas, Jhony A. |
| author_role |
author |
| author2 |
Barrionuevo-Poquet, Alejandro Carnero-Fuentes, Oscar Pareja-Begazo, Guido Coayla-Cano, Claudio Gallo-Lopez, Aly De La Cruz-Vargas, Jhony A. |
| author2_role |
author author author author author author |
| dc.subject.none.fl_str_mv |
SARS-COV-2 COVID-19 Pathology Inmunohistoquímica |
| topic |
SARS-COV-2 COVID-19 Pathology Inmunohistoquímica |
| dc.description.none.fl_txt_mv |
Introduction: The objective of the study is to describe the clinical, pathological, virological and genetic characteristics ofthe immune response of patients diagnosed with SARS-CoV-2 infection and its relationship with the unfavorable courseof the disease. Methods: Descriptive, relational, longitudinal and retrospective study based on the review of medicalrecords, taking post-mortem tru-cut biopsies of the lung and liver, taking blood samples and naso-oropharyngeal swabor endotracheal tube aspirate. In the first phase, the biopsies will be processed and studied with conventional andimmunohistochemical histology in the Pathological Anatomy service of the Carlos Seguín Escobedo National Hospitalin Arequipa, Peru. Results: Advanced mean age, male sex, and the presence of comorbidities were predominant indeceased patients. Lung biopsies showed predominantly the exudative and partially proliferative phases of diffuseand focal alveolar damage, associated primarily with intraalveolar macrophage hyperplasia with accumulation withinthe alveolar space-resembling desquamative pneumonia, as well as atypical binucleated intraalveolar pneumocytes,with eosinophilic nucleoli (similar to virocytes) in some cases. In the vast majority of cases, intravascular fibrin depositsassociated with the accumulation of inflammatory cells composed of neutrophils and monocytes, representingmicrothrombosis, were observed. Liver biopsies showed predominantly macrovesicular steatosis and in twocases microvesicular steatosis was observed. Additionally, varying degrees of necrosis and mild portal and lobularinflammation were observed. Conclusion: The clinical and pathological findings in this first report are consistent withprevious publications and confirm the pattern of diffuse alveolar damage associated with aggregates of intraalveolarmacrophages and microthrombosis; confirms in addition, macro and microvesicular hepatocytic steatosis, togetherwith variable degrees of necrosis. Introducción: El objetivo del estudio es describir las características clínicas, patológicas, virológicas y genéticas de larespuesta inmune de los pacientes diagnosticados con infección por SARS-CoV-2 y su relación con el curso desfavorablede la enfermedad. Métodos: Estudio descriptivo, relacional, longitudinal y retrospectivo basado en la revisión dehistorias clínicas, toma de biopsias tru-cut post-mortem de pulmón e hígado, toma de muestras de sangre e hisopadonaso-orofaríngeo o de aspirado del tubo endotraqueal. En la primera fase las biopsias serán procesadas y estudiadascon histología convencional e inmunohistoquímica en el servicio de Anatomía Patológica del hospital NacionalCarlos Seguín Escobedo de Arequipa, Perú. Resultados: La edad media avanzada, el sexo masculino y la presencia decomorbilidades fue predominante en los pacientes fallecidos. Las biopsias pulmonares mostraron predominantementelas fases exudativa y parcialmente proliferativa del daño alveolar difuso y focal, asociada principalmente a unahiperplasia de macrófagos intraalveolares con acumulación dentro del espacio alveolar, semejando una neumoníadescamativa, así como neumocitos intraalveolares binucleados y atípicos, con nucléolos eosinofílicos (semejante avirocitos) en algunos casos. En la gran mayoría de casos se observaron depósitos de fibrina intravascular asociadaal acúmulo de células inflamatorias compuestas por neutrófilos y monocitos, representando microtrombosis. Lasbiopsias de hígado mostraron esteatosis predominantemente macrovesicular y en dos casos se observó esteatosismicrovesicular. Adicionalmente, se observaron diversos grados de necrosis e inflamación portal y lobular. Conclusión:Los hallazgos clínicos y patológicos en este primer reporte son consistentes con publicaciones previas y confirmanel patrón de daño alveolar difuso asociado a agregados de macrofagos intraalveolares y microtrombosis; ademasesteatosis macro y microvesicular hepatocitica, junto a grados variables de necrosis. |
| description |
Introduction: The objective of the study is to describe the clinical, pathological, virological and genetic characteristics ofthe immune response of patients diagnosed with SARS-CoV-2 infection and its relationship with the unfavorable courseof the disease. Methods: Descriptive, relational, longitudinal and retrospective study based on the review of medicalrecords, taking post-mortem tru-cut biopsies of the lung and liver, taking blood samples and naso-oropharyngeal swabor endotracheal tube aspirate. In the first phase, the biopsies will be processed and studied with conventional andimmunohistochemical histology in the Pathological Anatomy service of the Carlos Seguín Escobedo National Hospitalin Arequipa, Peru. Results: Advanced mean age, male sex, and the presence of comorbidities were predominant indeceased patients. Lung biopsies showed predominantly the exudative and partially proliferative phases of diffuseand focal alveolar damage, associated primarily with intraalveolar macrophage hyperplasia with accumulation withinthe alveolar space-resembling desquamative pneumonia, as well as atypical binucleated intraalveolar pneumocytes,with eosinophilic nucleoli (similar to virocytes) in some cases. In the vast majority of cases, intravascular fibrin depositsassociated with the accumulation of inflammatory cells composed of neutrophils and monocytes, representingmicrothrombosis, were observed. Liver biopsies showed predominantly macrovesicular steatosis and in twocases microvesicular steatosis was observed. Additionally, varying degrees of necrosis and mild portal and lobularinflammation were observed. Conclusion: The clinical and pathological findings in this first report are consistent withprevious publications and confirm the pattern of diffuse alveolar damage associated with aggregates of intraalveolarmacrophages and microthrombosis; confirms in addition, macro and microvesicular hepatocytic steatosis, togetherwith variable degrees of necrosis. |
| publishDate |
2020 |
| dc.date.none.fl_str_mv |
2020-06-23 |
| dc.type.none.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion |
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article |
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publishedVersion |
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http://revistas.urp.edu.pe/index.php/RFMH/article/view/3040 10.25176/RFMH.v20i3.3040 |
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http://revistas.urp.edu.pe/index.php/RFMH/article/view/3040 |
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10.25176/RFMH.v20i3.3040 |
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spa eng |
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spa eng |
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http://revistas.urp.edu.pe/index.php/RFMH/article/view/3040/3229 http://revistas.urp.edu.pe/index.php/RFMH/article/view/3040/3243 http://revistas.urp.edu.pe/index.php/RFMH/article/view/3040/3289 http://revistas.urp.edu.pe/index.php/RFMH/article/view/3040/3290 |
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openAccess |
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application/pdf text/html application/pdf text/html |
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Universidad Ricardo Palma |
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Universidad Ricardo Palma |
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Revista de la Facultad de Medicina Humana; Vol 20 No 3 (2020): Revista de la Facultad de Medicina Humana; 5 Revista de la Facultad de Medicina Humana; Vol. 20 Núm. 3 (2020): Revista de la Facultad de Medicina Humana; 5 2308-0531 1814-5469 reponame:Revista URP - Revista de la Facultad de Medicina Humana instname:Universidad Ricardo Palma instacron:URP |
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Clinical-pathological characterization, viral genotipification and genetic heterogeneity as risk determinants in COVID-19: Study design and initial findingsCaracterización clínico-patológica, genotipificación viral y heterogeneidad genética como determinantes de riesgo en COVID-19: Diseño del estudio y hallazgos inicialesMac Dowall, Mauricio PostigoBarrionuevo-Poquet, AlejandroCarnero-Fuentes, OscarPareja-Begazo, GuidoCoayla-Cano, ClaudioGallo-Lopez, AlyDe La Cruz-Vargas, Jhony A.SARS-COV-2COVID-19PathologyInmunohistoquímicaIntroduction: The objective of the study is to describe the clinical, pathological, virological and genetic characteristics ofthe immune response of patients diagnosed with SARS-CoV-2 infection and its relationship with the unfavorable courseof the disease. Methods: Descriptive, relational, longitudinal and retrospective study based on the review of medicalrecords, taking post-mortem tru-cut biopsies of the lung and liver, taking blood samples and naso-oropharyngeal swabor endotracheal tube aspirate. In the first phase, the biopsies will be processed and studied with conventional andimmunohistochemical histology in the Pathological Anatomy service of the Carlos Seguín Escobedo National Hospitalin Arequipa, Peru. Results: Advanced mean age, male sex, and the presence of comorbidities were predominant indeceased patients. Lung biopsies showed predominantly the exudative and partially proliferative phases of diffuseand focal alveolar damage, associated primarily with intraalveolar macrophage hyperplasia with accumulation withinthe alveolar space-resembling desquamative pneumonia, as well as atypical binucleated intraalveolar pneumocytes,with eosinophilic nucleoli (similar to virocytes) in some cases. In the vast majority of cases, intravascular fibrin depositsassociated with the accumulation of inflammatory cells composed of neutrophils and monocytes, representingmicrothrombosis, were observed. Liver biopsies showed predominantly macrovesicular steatosis and in twocases microvesicular steatosis was observed. Additionally, varying degrees of necrosis and mild portal and lobularinflammation were observed. Conclusion: The clinical and pathological findings in this first report are consistent withprevious publications and confirm the pattern of diffuse alveolar damage associated with aggregates of intraalveolarmacrophages and microthrombosis; confirms in addition, macro and microvesicular hepatocytic steatosis, togetherwith variable degrees of necrosis.Introducción: El objetivo del estudio es describir las características clínicas, patológicas, virológicas y genéticas de larespuesta inmune de los pacientes diagnosticados con infección por SARS-CoV-2 y su relación con el curso desfavorablede la enfermedad. Métodos: Estudio descriptivo, relacional, longitudinal y retrospectivo basado en la revisión dehistorias clínicas, toma de biopsias tru-cut post-mortem de pulmón e hígado, toma de muestras de sangre e hisopadonaso-orofaríngeo o de aspirado del tubo endotraqueal. En la primera fase las biopsias serán procesadas y estudiadascon histología convencional e inmunohistoquímica en el servicio de Anatomía Patológica del hospital NacionalCarlos Seguín Escobedo de Arequipa, Perú. Resultados: La edad media avanzada, el sexo masculino y la presencia decomorbilidades fue predominante en los pacientes fallecidos. Las biopsias pulmonares mostraron predominantementelas fases exudativa y parcialmente proliferativa del daño alveolar difuso y focal, asociada principalmente a unahiperplasia de macrófagos intraalveolares con acumulación dentro del espacio alveolar, semejando una neumoníadescamativa, así como neumocitos intraalveolares binucleados y atípicos, con nucléolos eosinofílicos (semejante avirocitos) en algunos casos. En la gran mayoría de casos se observaron depósitos de fibrina intravascular asociadaal acúmulo de células inflamatorias compuestas por neutrófilos y monocitos, representando microtrombosis. Lasbiopsias de hígado mostraron esteatosis predominantemente macrovesicular y en dos casos se observó esteatosismicrovesicular. Adicionalmente, se observaron diversos grados de necrosis e inflamación portal y lobular. Conclusión:Los hallazgos clínicos y patológicos en este primer reporte son consistentes con publicaciones previas y confirmanel patrón de daño alveolar difuso asociado a agregados de macrofagos intraalveolares y microtrombosis; ademasesteatosis macro y microvesicular hepatocitica, junto a grados variables de necrosis.Universidad Ricardo Palma2020-06-23info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdftext/htmlapplication/pdftext/htmlhttp://revistas.urp.edu.pe/index.php/RFMH/article/view/304010.25176/RFMH.v20i3.3040Revista de la Facultad de Medicina Humana; Vol 20 No 3 (2020): Revista de la Facultad de Medicina Humana; 5Revista de la Facultad de Medicina Humana; Vol. 20 Núm. 3 (2020): Revista de la Facultad de Medicina Humana; 52308-05311814-5469reponame:Revista URP - Revista de la Facultad de Medicina Humanainstname:Universidad Ricardo Palmainstacron:URPspaenghttp://revistas.urp.edu.pe/index.php/RFMH/article/view/3040/3229http://revistas.urp.edu.pe/index.php/RFMH/article/view/3040/3243http://revistas.urp.edu.pe/index.php/RFMH/article/view/3040/3289http://revistas.urp.edu.pe/index.php/RFMH/article/view/3040/3290info:eu-repo/semantics/openAccess2021-06-02T16:10:24Zmail@mail.com - |
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La información contenida en este registro es de entera responsabilidad de la institución que gestiona el repositorio institucional donde esta contenido este documento o set de datos. El CONCYTEC no se hace responsable por los contenidos (publicaciones y/o datos) accesibles a través del Repositorio Nacional Digital de Ciencia, Tecnología e Innovación de Acceso Abierto (ALICIA).