title: Contrast-induced nephropathy: contrast material not required?
abstract: OBJECTIVE
  This commentary deals with the study by Newhouse and colleagues in this issue of the AJR discussing the implications of a lack of a control group in previously published studies on contrast-induced nephropathy (CIN).
  
  
  CONCLUSIONS
  Until more rigorous studies including an appropriate control group address the issue of CIN, our understanding of the actual risk of CIN when administering IV contrast media is limited.
authors.affiliation: Department of Radiology, Emory University Hospital, 1364 Clifton Rd., Atlanta, GA 30322, USA. deborah.baumgarten@emory.edu
authors.forename: Deborah A
authors.initials: DA
authors.lastname: Baumgarten
authors.forename: James H
authors.initials: JH
authors.lastname: Ellis
mesh_terms: D003287:Contrast Media / Q000009:adverse effects; D003404:Creatinine / Q000097:blood*; D003952:Diagnostic Imaging; D006801:Humans; D007674:Kidney Diseases / Q000097:blood* / Q000139:chemically induced; D012107:Research Design; D014283:Triiodobenzoic Acids / Q000009:adverse effects
chemical_list: D003287:Contrast Media; D014283:Triiodobenzoic Acids; D003404:Creatinine