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Updated: Jul 29, 2026
06:02
Anatomical Reconstructions of the Human Cardiac Venous System using Contrast-computed Tomography of Perfusion-fixed Specimens
Published on: April 18, 2013
[Evaluation of two methods to avoid the nephropathy associated with radiologic contrast]
Medicina
|June 1, 1999
Summary
Two methods, saline hydration and dopamine administration, effectively prevent contrast-associated nephropathy (C.A.N.) in patients undergoing angiographic studies. Both interventions significantly reduced the incidence of C.A.N. compared to the control group.
Area of Science:
- Nephrology
- Radiology
- Cardiology
Background:
- Contrast-associated nephropathy (C.A.N.) is a significant risk following angiographic procedures.
- Preventive strategies are crucial to mitigate kidney damage in vulnerable patients.
Purpose of the Study:
- To evaluate the efficacy of saline hydration and dopamine administration in preventing C.A.N.
- To compare these interventions against a control group receiving no specific prophylaxis.
Main Methods:
- Prospective, randomized study of 75 patients undergoing angiographic procedures.
- Groups: Control (no intervention), Saline (0.45% saline IV pre/post-procedure), Dopa (saline plus dopamine pre/post-procedure).
- C.A.N. defined as a 25% increase in serum creatinine 24-48 hours post-procedure.
Main Results:
- C.A.N. incidence: 13/25 (52%) in control, 7/25 (28%) in saline, 5/25 (20%) in Dopa group (p=0.01).
- Both saline and Dopa groups showed significantly lower C.A.N. rates compared to control.
- No significant differences in urinary output or baseline creatinine levels were observed between groups.
Conclusions:
- Hydration with 0.45% saline solution and dopamine administration are effective in preventing C.A.N.
- These methods offer a viable strategy to reduce contrast-induced kidney injury in patients undergoing angiography.
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