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Rolling filling defect?

Hsiu-Yu Fang¹, Chiung-Jen Wu

¹Division of Cardiology, Department of Internal Medicine, Chang Gung Memorial Hospital-Kaohsiung Medical Center, Chang Gung University Collage of Medicine, 123, Ta Pei Road, Niao Sung Hsiang, Kaohsiung Hsien, 83301, Taiwan, Republic of China.

The International Journal of Cardiovascular Imaging

|January 29, 2010

Summary

This summary is machine-generated.

A trapped air bubble in the right coronary artery (RCA) aneurysm was successfully aspirated after stenting. This case emphasizes preventing iatrogenic air bubbles and using intravascular ultrasound (IVUS) for diagnosis.

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Area of Science:

Cardiology
Interventional Cardiology
Medical Imaging

Background:

Coronary artery disease management involves complex interventions like stenting.
Iatrogenic complications, such as air embolism, can occur during these procedures.
Aneurysmal changes in coronary arteries present unique challenges during intervention.

Observation:

A 68-year-old male presented with chest tightness and underwent coronary angiography.
Subtotal occlusion of the right coronary artery (RCA) was treated with stenting.
A "Rolling filling defect" was noted in the distal RCA aneurysm post-stenting.

Findings:

Intravascular ultrasound (IVUS) identified the "Rolling filling defect" as a trapped air bubble within the RCA distal aneurysm.
Aspiration of the air bubble was successfully performed using a 5Fr. ST01 catheter with balloon anchoring.
The case demonstrates a rare iatrogenic complication following coronary stenting.

Implications:

Highlights the critical importance of meticulous technique to prevent iatrogenic air embolism during coronary interventions.
Underscores the utility of IVUS in diagnosing and characterizing unexpected findings like trapped air bubbles.
Suggests various aspiration techniques and devices can be employed for managing such complications effectively.