title: Invited commentary.
authors.affiliation: Experimental ECMO Laboratory and Department of Surgery, University of Kentucky, Chandler Medical Center, Lexington, KY 40536, USA. jzwis2@email.uky.edu
authors.forename: James E
authors.initials: JE
authors.lastname: Lynch
authors.forename: Joseph B
authors.initials: JB
authors.lastname: Zwischenberger
mesh_terms: D000818:Animals; D001187:Artificial Organs; D004195:Disease Models, Animal; D006439:Hemodynamics; D006976:Hypertension, Pulmonary / Q000503:physiopathology* / Q000601:surgery*; D008168:Lung; D010805:Physical Conditioning, Animal; D012146:Rest; D012756:Sheep