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0 0.5 1 1.5 2+ Mortality -3% Improvement Relative Risk Ventilation -3% ICU admission -4% Aspirin for COVID-19  Formiga et al.  Prophylaxis Is prophylaxis with aspirin beneficial for COVID-19? PSM retrospective 20,641 patients in the USA (Mar 2020 - May 2021) No significant difference in outcomes seen c19early.org Formiga et al., Internal and Emergency.., Nov 2021 Favors aspirin Favors control

Does admission acetylsalicylic acid uptake in hospitalized COVID-19 patients have a protective role? Data from the Spanish SEMI-COVID-19 Registry

Formiga et al., Internal and Emergency Medicine, doi:10.1007/s11739-021-02870-1
Nov 2021  
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Aspirin for COVID-19
24th treatment shown to reduce risk in August 2021
 
*, now known with p = 0.000087 from 73 studies, recognized in 2 countries.
Lower risk for mortality and progression.
No treatment is 100% effective. Protocols combine complementary and synergistic treatments. * >10% efficacy in meta analysis with ≥3 clinical studies.
4,000+ studies for 60+ treatments. c19early.org
Retrospective 20,641 hospitalized patients in Spain, showing no significant difference in outcomes with existing aspirin use.
risk of death, 3.4% higher, RR 1.03, p = 0.48, treatment 1,000 of 3,291 (30.4%), control 874 of 2,885 (30.3%), odds ratio converted to relative risk, propensity score matching.
risk of mechanical ventilation, 3.2% higher, RR 1.03, p = 0.75, treatment 213 of 3,291 (6.5%), control 181 of 2,885 (6.3%), propensity score matching.
risk of ICU admission, 4.2% higher, RR 1.04, p = 0.65, treatment 283 of 3,291 (8.6%), control 238 of 2,885 (8.2%), propensity score matching.
Effect extraction follows pre-specified rules prioritizing more serious outcomes. Submit updates
Formiga et al., 29 Nov 2021, retrospective, USA, peer-reviewed, 24 authors, study period 1 March, 2020 - 1 May, 2021. Contact: fformiga@bellvitgehospital.cat.
This PaperAspirinAll
Does admission acetylsalicylic acid uptake in hospitalized COVID-19 patients have a protective role? Data from the Spanish SEMI-COVID-19 Registry
Francesc Formiga, Manuel H U Rubio-Rivas, José María Mora-Luján, Samara Campos Escudero, Rosa Fernandez Madera Martinez, Manuel Mendez-Bailón, Pedro Durán-Del Campo, Andrea Riaño Pérez, Francisco-Javier García-Sánchez, José Nicolás Alcalá-Pedrajas, Sergio Arnedo Hernández, Almudena Hernández Milian, Ana Latorre Díez, Ricardo Gil Sánchez, Ramon Boixeda, Julio Vicente, Begoña Cortes, Carmen Mella Pérez, María Esther Guisado Espartero, José López Castro, Santiago Rodríguez Suárez, Jose F Varona, Ricardo Gomez-Huelgas, Jose Manuel Ramos-Rincón, José Manuel Casas Rojo, José Manuel Ramos Rincón, Carlos Lumbreras Bermejo, Jesús Millán Núñez-Cortés, Juan Miguel Antón Santos, Ricardo Gómez Huelgas, Xavier Corbella, Francesc Formiga, Narcís Homs, Abelardo Montero, Jose María Mora-Luján, Manuel H U Rubio-Rivas, Paloma Agudo De Blas, Coral Arévalo Cañas, Blanca Ayuso, José Bascuñana Morejón, Samara Campos Escudero, María Carnevali Frías, Santiago Cossio Tejido, Borja De Miguel Campo, Carmen Díaz Pedroche, Raquel Diaz Simon, Ana García Reyne, Laura Ibarra Veganzones, Lucia Jorge Huerta, Antonio Lalueza Blanco, Jaime Laureiro Gonzalo, Jaime Lora-Tamayo, Carlos Lumbreras Bermejo, Guillermo Maestro De La Calle, Rodrigo Miranda Godoy, Barbara Otero Perpiña, Diana Paredes Ruiz, Marcos Sánchez Fernández, Javier Tejada Montes, H Costa Del Sol. Marbella, Victoria Augustín Bandera, Javier García Alegría, Nicolás Jiménez-García, Jairo Luque Del Pino, María Dolores Martín Escalante, Francisco Navarro Romero, Victoria Nuñez Rodriguez, Julián Olalla Sierra, Laura Abarca Casas, Álvaro Alejandre De Oña, Rubén Alonso Beato, Leyre Alonso Gonzalo, Jaime Alonso Muñoz, Crhistian Mario Amodeo Oblitas, Cristina Ausín García, Marta Bacete Cebrián, Jesús Baltasar Corral, Maria Barrientos Guerrero, Alejandro D Bendala Estrada, María Calderón Moreno, Paula Carrascosa Fernández, Raquel Carrillo, Sabela Castañeda Pérez, Eva Cervilla Muñoz, Agustín Diego Chacón Moreno, Maria Carmen Cuenca Carvajal, Sergio De Santos, Andrés Enríquez Gómez, Eduardo Fernández Carracedo, María Mercedes Ferreiro-Mazón Jenaro, Francisco Galeano Valle, Alejandra Garcia, Irene Garcia Fernandez-Bravo, María Eugenia García Leoni, María Gómez Antúnez, Candela González San Narciso, Anthony Alexander Gurjian, Lorena Jiménez Ibáñez, Cristina Lavilla Olleros, Cristina Llamazares Mendo, Víctor Sara Luis García, Víctor Mato Jimeno, Clara Millán Nohales, Jesús Millán Núñez-Cortés, Sergio Moragón Ledesma, Antonio Muiño Míguez, Cecilia Muñoz Delgado, Lucía Ordieres Ortega, Susana Pardo Sánchez, Alejandro Parra Virto, María Teresa Pérez Sanz, Blanca Pinilla Llorente, Sandra Piqueras Ruiz, Guillermo Soria Fernández-Llamazares, María Toledano Macías, Neera Toledo Samaniego, Ana Torres Do Rego, Maria Victoria Villalba Garcia, Gracia Villarreal, María Zurita Etayo, Ana María Álvarez Suárez, Carlos Delgado Vergés, Rosa Fernandez-Madera Martínez, Eva Mª Fonseca Aizpuru, Alejandro Gómez Carrasco, Cristina Helguera Amezua, Juan Francisco López Caleya, Diego López Martínez, María Del Mar Martínez López, Aleida Martínez Zapico, Carmen Olabuenaga Iscar, Lucía Pérez Casado, María Luisa Taboada Martínez, Lara María Tamargo Chamorro, Mª Mar Ayala-Gutiérrez, Rosa Bernal López, José Bueno Fonseca, Verónica Andrea Buonaiuto, Luis Francisco Caballero Martínez, Lidia Cobos Palacios, Clara Costo Muriel, Francis De Windt, Ana Teresa Fernandez-Truchaud Christophel, Paula García Ocaña, Ricardo Gómez Huelgas, Javier Gorospe García, José Antonio Hurtado Oliver, Sergio Jansen-Chaparro, Maria Dolores López-Carmona, Pablo López Quirantes, Almudena López Sampalo, Elizabeth Lorenzo-Hernández, Juan José Mancebo Sevilla, Jesica Martín Carmona, Luis Miguel Pérez-Belmonte, Iván Pérez De Pedro, Araceli Pineda-Cantero, Carlos Romero Gómez, Michele Ricci, Jaime Sanz Cánovas, Jorge Álvarez Troncoso, Francisco Arnalich Fernández, Francisco Blanco Quintana, Carmen Busca Arenzana, Sergio Carrasco Molina, Aranzazu Castellano Candalija, Germán Daroca Bengoa, Alejandro De Gea Grela, Alicia De Lorenzo Hernández, Alejandro Díez Vidal, Carmen Fernández Capitán, Maria Francisca García Iglesias, Borja González Muñoz, Carmen Rosario Herrero Gil, Juan María Herrero Martínez, Víctor Hontañón, Maria Jesús Jaras Hernández, Carlos Lahoz, Cristina Marcelo Calvo, Juan Carlos Martín Gutiérrez, Monica Martinez Prieto, Elena Martínez Robles, Araceli Menéndez Saldaña, Alberto Moreno Fernández, Jose Maria Mostaza Prieto, Ana Noblejas Mozo, Carlos Manuel Oñoro López, Esmeralda Palmier Peláez, Marina Palomar Pampyn, Maria Angustias Quesada Simón, Juan Carlos Ramos Ramos, Luis Ramos Ruperto, Aquilino Sánchez Purificación, Teresa Sancho Bueso, Raquel Sorriguieta Torre, Clara Itziar Soto Abanedes, Yeray Untoria Tabares, Marta Varas Mayoral, Julia Vásquez Manau, Nicolás Alcalá Rivera, Anxela Crestelo Vieitez, Esther Del Corral Beamonte, Jesús Díez Manglano, Isabel Fiteni Mera, Maria Del Mar Garcia Andreu, Martin Gericó Aseguinolaza, Cristina Gallego Lezaun, Claudia Josa Laorden, Raul Martínez Murgui, Marta Teresa Matía Sanz, Maria Del Carmen Beceiro Abad, Maria Aurora Freire Romero, Sonia Molinos Castro, Emilio Manuel Paez Guillan, María Pazo Nuñez, Paula Maria Pesqueira Fontan, Inés Armenteros Yeguas, Javier Azaña Gómez, Julia Barrado Cuchillo, Irene Burruezo López, Noemí Cabello Clotet, Alberto E Calvo Elías, Elpidio Calvo Manuel, Carmen María Cano De Luque, Cynthia Chocron Benbunan, Laura Dans Vilan, Claudia Dorta Hernández, Ester Emilia Dubon Peralta, Vicente Estrada Pérez, Santiago Fernandez-Castelao, Marcos Oliver Fragiel Saavedra, José Luis García Klepzig, Maria Del Rosario Iguarán Bermúdez, Esther Jaén Ferrer, Alejandro Maceín Rodríguez, Alejandro Marcelles De Pedro, Rubén Ángel Martín Sánchez, Manuel Méndez Bailón, Sara Miguel Álvarez, Maria José Nuñez Orantos, Carolina Olmos Mata, Eva Orviz García, David Oteo Mata, Cristina Outon González, Juncal Perez-Somarriba, Pablo Pérez Mateos, Maria Esther Ramos Muñoz, Xabier Rivas Regaira, Laura Mª Rodríguez Gallardo, Iñigo Sagastagoitia Fornie
Internal and Emergency Medicine, doi:10.1007/s11739-021-02870-1
Acetylsalicylic acid (ASA) is widely used in the treatment and prevention of cardiovascular disorders. Our objective is to evaluate its possible protective role, not only in mortality but also in other aspects such as inflammation, symptomatic thrombosis, and intensive care unit (ICU) admission in hospitalized COVID-19 patients. We realized an observational retrospective cohort study of 20,641 patients with COVID-19 pneumonia collected and followed-up from Mar 1st, 2020 to May 1st, 2021, from the nationwide Spanish SEMI-COVID-19 Registry. Propensity score matching (PSM) was performed to determine whether treatment with ASA affected outcomes in COVID-19 patients. On hospital admission, 3291 (15.9%) patients were receiving ASA. After PSM, 3291 patients exposed to ASA and 2885 not-exposed patients were analyzed. In-hospital mortality was higher in the ASA group (30.4 vs. 16.9%, p < 0.001) in the global sample. After PSM, no differences were found between groups (30.4 vs. 30.3%, p = 0.938). There were no differences in inflammation, symptomatic thrombosis, or ICU admission. In conclusion, ASA intake is not associated with in-hospital mortality or any other health outcome evaluated after applying PSM analysis in a real-world large sample of hospitalized COVID-19 patients.
List of the SEMI-COVID-19 Network members Coordinator of the SEMI-COVID- Members of the SEMI-COVID-19 Group H. Univ. de Bellvitge. L'Hospitalet de Llobregat (Barcelona) Declarations Conflict of interest The authors declare that they have no conflict of interest. Ethical approval Our study was performed in accordance with the ethical standards of our institutional and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. Informed consent Written informed consent was waived by a central ethics committee, considering this an anonymized observational study in a pandemic situation.
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