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Updated: Oct 18, 2026

Interventional Diagnostic Procedure: A Practical Guide for the Assessment of Coronary Vascular Function
Published on: March 15, 2022
Ad hoc coronary intervention
J C Blankenship1, G J Mishkel, C E Chambers
1Department of Cardiology, Geisinger Medical Center, Danville, Pennsylvania 17822, USA.
Insights
Ad hoc coronary intervention, performed during diagnostic cardiac catheterization, offers efficiency but requires careful patient selection. Its safety and cost compared to delayed intervention need further documentation for individualized use.
Area of Science:
- Cardiology
- Interventional Cardiology
- Medical Procedures
Background:
- Ad hoc coronary intervention combines diagnostic cardiac catheterization and percutaneous revascularization in a single session.
- The efficiency of this combined approach is recognized, but its safety and cost-effectiveness relative to delayed intervention remain under-documented.
- Specific patient preparation and precautions are essential when ad hoc intervention is planned.
Purpose of the Study:
- To evaluate the safety and cost implications of ad hoc coronary intervention compared to delayed coronary intervention.
- To define criteria for appropriate patient selection for ad hoc coronary intervention.
- To provide guidance on the individualized use of ad hoc coronary intervention.
Main Methods:
- Review of existing literature and clinical practices regarding ad hoc coronary intervention.
- Analysis of safety and cost data comparing ad hoc versus delayed percutaneous coronary intervention.
- Identification of contraindications and necessary precautions for ad hoc procedures.
Main Results:
- Ad hoc coronary intervention can be efficient and effective when appropriately applied.
- Informed consent and risk-benefit assessment are critical factors in deciding on ad hoc intervention.
- Patient selection must consider potential risks compared to a delayed intervention strategy.
Conclusions:
- The use of ad hoc coronary intervention should be carefully individualized based on patient-specific factors.
- While often efficient, ad hoc intervention is not universally appropriate and requires thorough consideration of risks and benefits.
- Further research is needed to clearly document the comparative safety and cost of ad hoc versus delayed coronary intervention.
Abstract:
Ad hoc coronary intervention is a percutaneous revascularization procedure performed at the same sitting as diagnostic cardiac catheterization. While this appears to be an efficient strategy, the safety and cost of ad hoc coronary intervention compared with delayed coronary intervention have not been clearly documented. Special preparation and precautions are necessary for patients in whom ad hoc coronary intervention is anticipated. Ad hoc coronary intervention is not appropriate if informed consent has not been previously obtained or if it would pose greater risks than delayed intervention. While ad hoc coronary intervention is often efficient and effective, its use should be individualized. Cathet. Cardiovasc. Intervent. 49:130-134, 2000.
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