title: The authors reply.
authors.affiliation: Division of Critical Care, Louisiana State University Health Sciences Center, Shreveport, LA Division of Critical Care Medicine, Louisiana State University Health Sciences Center, Shreveport, LA Department of Anesthesiology, Section of Critical Care Medicine, Wake Forest University, Winston-Salem, NC Division of Critical Care Medicine, Louisiana State University Health Sciences Center, Shreveport, LA Department of Nursing, University Health, Shreveport, LA.
authors.forename: Steven A
authors.initials: SA
authors.lastname: Conrad
authors.forename: Laurie R
authors.initials: LR
authors.lastname: Grier
authors.forename: L Keith
authors.initials: LK
authors.lastname: Scott
authors.forename: Rebecca
authors.initials: R
authors.lastname: Green
authors.forename: Mary S
authors.initials: MS
authors.lastname: Stephens
mesh_terms: D002404:Catheterization / Q000379:methods*; D015199:Extracorporeal Membrane Oxygenation / Q000379:methods*; D005260:Female; D006333:Heart Failure / Q000628:therapy*; D006801:Humans; D007362:Intensive Care Units; D008297:Male; D012131:Respiratory Insufficiency / Q000628:therapy*