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Reducing radiocontrast use in the cardiac catheterization laboratory--a behavioral modification approach
Azimuddin Tareq Khawaja1, Venkatraman Srinivasan, Zafir Hawa
1Western Pennsylvania Hospital, Clinical Campus of Temple University School of Medicine, Pittsburgh, PA 15224, USA. TKhawaja@msn.com
Insights
Behavioral modification significantly reduced contrast dye volume in cardiac catheterization and percutaneous coronary intervention (PCI). This approach improves patient safety and lowers costs by minimizing radiocontrast agent use.
Area of Science:
- Interventional Cardiology
- Medical Imaging
- Patient Safety
Background:
- Excessive radiocontrast agents in cardiac catheterization increase risks like nephropathy, especially in vulnerable patients.
- High contrast volumes are a concern in procedures like percutaneous coronary intervention (PCI).
Purpose of the Study:
- To evaluate the effectiveness of behavioral modification techniques in reducing contrast dye volume during cardiac catheterization and PCI.
- To assess the impact of physician feedback on contrast agent usage.
Main Methods:
- Prospective data collection from 20,322 patients undergoing cardiac catheterization/PCI (1997-2001).
- Implementation of a behavioral modification program with physician feedback on contrast volumes exceeding 300 mL.
- Statistical analysis using Fischer's exact test.
Main Results:
- High contrast use decreased by 53% (from 7.7% to 3.6%) after program implementation.
- In percutaneous coronary intervention (PCI), high contrast use saw a 56% reduction (from 24% to 10.6%).
Conclusions:
- Behavioral modification is effective in reducing contrast dye volume in cardiac catheterization and PCI.
- Implementing such strategies can enhance patient safety and potentially reduce healthcare costs.
Objectives:
This study assessed the impact of behavioral modification techniques on reducing the volume of contrast dye used during cardiac catheterization and percutaneous coronary intervention (PCI).
Background:
Excessive administration of radiocontrast agents in the catheterization laboratory is associated with numerous adverse effects including radiocontrast nephropathy. This may be precipitated by using large volumes of contrast dye, particularly in diabetic patients and those with pre-existing renal dysfunction.
Methods:
Data were prospectively collected on 20,322 consecutive patients undergoing cardiac catheterization and PCI between January 1997 and December 2001. A focused behavioral modification program was initiated in late 1998. The physician was informed verbally during the course of the procedure and by letter after the procedure regarding the volume of contrast dye used for cases in which the radiocontrast volume exceeded 300 mL. Data were analyzed using the Fischer's exact test.
Results:
In the prefeedback years (1997 and 1998), high contrast use occurred in 7.7% (n = 602) of the total cases (n = 7799). In the postfeedback years (1999, 2000, and 2001), this declined to 3.6% (n = 445) of the total cases (n = 12,523), representing a 53% reduction (P < .001). The effect was most pronounced in PCI, with the percentage of high contrast cases decreasing from 24% (n = 563) of the total PCI cases (n = 2348) to 10.6% (n = 359) of the total PCI cases (n = 3386), representing a 56% reduction (P < .001).
Conclusions:
Our study demonstrates the effectiveness of behavioral modification and the contribution it can make in reducing the volume of contrast dye used in the cardiac catheterization laboratory, particularly in PCI. Adoption of such strategies may enhance patient safety and reduce contribution it can make in reducing the volume of contrast dye used in the cardiac catheterization laboratory, particularly in PCI. Adoption of such strategies may enhance patient safety and reduce costs.
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