Related Experiment Video
Updated: Dec 10, 2025

Shunt Surgery, Right Heart Catheterization, and Vascular Morphometry in a Rat Model for Flow-induced Pulmonary Arterial Hypertension
Published on: February 11, 2017
Severe Systemic Vascular Disease Prevents Cardiac Catheterization
Insights
This case study details a rare instance of failed cardiac catheterization due to complete blockages in major arteries. It emphasizes the critical need for advanced imaging in complex vascular cases.
Area of Science:
- Cardiovascular medicine
- Interventional cardiology
- Vascular imaging
Background:
- Coronary angiography requires adequate peripheral arterial access for contrast dye delivery.
- Radial and femoral arteries are common access points but may not always be viable.
- Multiple access strategies may be necessary for successful coronary angiography.
Observation:
- A rare case of cardiac catheterization failure occurred due to bilateral subclavian and bilateral ileofemoral occlusions.
- All attempted peripheral access routes were exhausted.
- This presented a unique clinical challenge in interventional cardiology.
Findings:
- Complete occlusions in bilateral subclavian and bilateral ileofemoral arteries rendered standard access impossible.
- The case highlights the limitations of conventional access in severe peripheral arterial disease.
- Multimodality imaging was crucial for diagnosis and management planning.
Implications:
- This scenario underscores the importance of comprehensive vascular assessment prior to invasive procedures.
- It highlights the need for alternative access strategies and advanced imaging in complex cases.
- Such rare clinical presentations contribute valuable insights into managing challenging cardiovascular interventions.
Background:
Coronary angiography is an invasive procedure that uses iodinated contrast to visualize the coronary arteries. Properly performing the procedure depends on adequate peripheral access. Although access most commonly is achieved through the radial or femoral arteries, which typically are unobstructed conduits to the heart, several access points might be needed.
Discussion:
Presented is the case of a failed cardiac catheterization caused by bilateral subclavian and bilateral ileofemoral occlusions in which all access points were exhausted.
Conclusion:
This case represents a rare clinical scenario infrequently reported in the literature that highlights the important role of multimodality imaging in caring for patients with complex medical issues.
Related Concept Videos
Cardiac Catheterization I: Pre-Procedure Overview
Cardiac Catheterization III: Left Heart Catheterization
Cardiac Catheterization II: Right Heart Catheterization
Cardiac Catheterization IV: Nursing Management
Assessment of the Cardiovascular System III: Palpation
Jugular Venous Pressure (JVP) Measurement
Position the patient at a thirty- to forty-five-degree angle or in a semi-fowler's position. Look for the highest point of pulsation in the internal jugular vein and measure the vertical distance to the angle of Loius or sternal angle. A normal JVP is 3-4 cm above...
Imaging Studies for Cardiovascular System V: CT

