title: Invited commentary.
authors.affiliation: Cardiothoracic Surgery, Maine Medical Center, Portland, ME.
authors.forename: Robert S
authors.initials: RS
authors.lastname: Kramer
authors.affiliation: The Dartmouth Institute for Health Policy and Clinical Practice, Geisel School of Medicine at Dartmouth, One Medical Center Dr, Lebanon, NH 03756. Electronic address: jeremiah.r.brown@dartmouth.edu.
authors.forename: Jeremiah R
authors.initials: JR
authors.lastname: Brown
mesh_terms: D058186:Acute Kidney Injury / Q000453:epidemiology* / Q000209:etiology*; D000740:Anemia / Q000150:complications*; D002315:Cardiopulmonary Bypass / Q000009:adverse effects*; D005260:Female; D006801:Humans; D007022:Hypotension / Q000150:complications*; D007431:Intraoperative Complications / Q000453:epidemiology* / Q000209:etiology*; D008297:Male