One-year results of the ICON (Ionic versus non-ionic Contrast to Obviate worsening Nephropathy after angioplasty in chronic renal failure patients) Study

Gennaro Giustino, Usman Baber, Ioannis Mastoris, Georgios J Vlachojannis, Jennifer Yu, Paul S Teirstein, William E Downey, Wayne B Batchelor, Peter J Casterella, Eugenia Nikolsky, S Chiu Wong, Kleanthis N Theodoropoulos, George D Dangas, Roxana Mehran

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

BACKGROUND: Long-term clinical outcomes after exposure to non-ionic iso-osmolar contrast medium (IOCM) or ionic low-osmolar CM (LOCM) in patients with chronic kidney disease (CKD) undergoing coronary angiography are unclear.

METHODS: The ICON trial was a prospective, double-blinded, multicentre study that randomly assigned 146 patients with CKD undergoing coronary angiography with or without percutaneous coronary intervention to the non-ionic IOCM Iodixanol or the ionic LOCM Ioxaglate. We report the 1-year clinical outcomes.

RESULTS: After randomization, baseline and procedural characteristics were well-matched between the two groups. At 1 year, three deaths (4.1%) occurred in the ioxaglate and nine deaths in the iodixanol group (13.6%, P = 0.07). The cardiac death rate at 1 year was 2.7% in the ioxaglate group and 9.1% in the iodixanol group (P = 0.07). There were no significant differences in the rates of myocardial infarction (1.4% vs. 1.5%; P = 1.00) and repeated revascularization (6.8% vs. 9.1%; P = 0.75).

CONCLUSIONS: The use of ionic LOCM ioxaglate was associated with a numerically lower mortality at 1 year as compared to iodixanol in patients who underwent cardiac catheterization. Future studies evaluating long-term safety following exposure to different types of CM are warranted.

Original languageEnglish
Pages (from-to)703-9
Number of pages7
JournalCatheterization and Cardiovascular Interventions
Volume87
Issue number4
DOIs
Publication statusPublished - Mar 2016
Externally publishedYes

Keywords

  • Acute Kidney Injury/chemically induced
  • Aged
  • Aged, 80 and over
  • Angioplasty, Balloon, Coronary/adverse effects
  • Contrast Media/adverse effects
  • Coronary Angiography/adverse effects
  • Coronary Artery Disease/diagnostic imaging
  • Disease Progression
  • Double-Blind Method
  • Female
  • Humans
  • Ioxaglic Acid/adverse effects
  • Kidney Failure, Chronic/complications
  • Male
  • Middle Aged
  • Myocardial Infarction/etiology
  • Predictive Value of Tests
  • Prospective Studies
  • Risk Factors
  • Time Factors
  • Treatment Outcome
  • Triiodobenzoic Acids/adverse effects

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