Increased mortality in patients with COVID-19 receiving extracorporeal respiratory support during the second wave of the pandemic

Riera Jordi ¹     ; Roberto, Roncon-Albuquerque, Jr ² ; Fuset María Paz ³ ; Alcántara, Sara ⁴ ; Blanco-Schweizer, Pablo ⁵ ; Bonilla Camilo ⁶ ; Vaz, Ana ² ; Luna, Stephani María ³ ; Fortuna, Philip; Silva, Pedro Eduardo; Albacete, Carlos Luis; Pérez, Daniel; García, Marta; Millán Pablo; Veganzones Javier; Ricart Pilar; Martínez Sergi; Boado María Victoria; Voces Roberto; Villanueva-Fernández Héctor; Blandino, Aaron; Santa-Teresa, Patricia; Sandoval, Elena; Ruiz de Gopegui Pablo; González-Pérez, Alfredo; Duerto Jorge; Gimeno, Ricardo; Colomina Joaquín; Gómez Vanesa; Pérez-Chomón, Helena; Renedo Gloria; García, Manuel Alfonso; Naranjo, José Ricardo; Rodríguez-Ruiz, Emilio

¹  Hospital Universitari Vall d’Hebron, Department of Intensive Care, Barcelona, Spain (GRID:grid.411083.f) (ISNI:0000 0001 0675 8654); Vall d’Hebron Institut de Recerca, SODIR, Barcelona, Spain (GRID:grid.430994.3) (ISNI:0000 0004 1763 0287); Instituto de Salud Carlos III, CIBERES, CIBERESUCICOVID, Madrid, Spain (GRID:grid.413448.e) (ISNI:0000 0000 9314 1427) 
²  São João University Hospital Center, Department of Intensive Care, Porto, Portugal (GRID:grid.418340.a) (ISNI:0000 0004 0392 7039) 
³  Hospital Universitari Bellvitge, Department of Intensive Care, Barcelona, Spain (GRID:grid.411129.e) (ISNI:0000 0000 8836 0780) 
⁴  Hospital Universitario Puerta de Hierro, Department of Intensive Care, Majadahonda, Spain (GRID:grid.73221.35) (ISNI:0000 0004 1767 8416) 
⁵  Hospital Universitario Rio Hortega, Department of Intensive Care, Valladolid, Spain (GRID:grid.411280.e) (ISNI:0000 0001 1842 3755) 
⁶  Hospital Universitari Vall d’Hebron, Department of Intensive Care, Barcelona, Spain (GRID:grid.411083.f) (ISNI:0000 0001 0675 8654)