What are the Bartholomew and the Lin scoring systems to identify the risk for contrast-induced nephropathy (CIN)?

Updated: Feb 21, 2020
  • Author: Anita Basu, MD, FACP; Chief Editor: Vecihi Batuman, MD, FASN  more...
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Bartholomew et al worked to create another scoring system and took into consideration the following 8 variables [28] :

  • Creatinine clearance < 60 mL/min
  • IABP use
  • Urgent coronary procedure
  • Diabetes mellitus
  • CHF
  • Hypertension
  • Peripheral vascular disease
  • Volume of contrast used

Lin et al validated a simpler scoring system for predicting the risk of CIN in patients undergoing emergent percutaneous coronary intervention (PCI). [29] The system consists of the following risk factors, each of which is assigned 1 point:

  • Age >75 years
  • Baseline SCr >1.5 mg/dL
  • Hypotension
  • IABP use

Risk categories by scores and CIN incidence were as follows:

  • Low risk: 0 points; incidence 1.0%
  • Moderate risk: 1-2 points; incidence 13.4%
  • High risk: ≥3 points; incidence 90.0%

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