Modified technique for percutaneous transfemoral pulmonary angiography

Area of Science:

• Cardiology
• Interventional Radiology
• Medical Devices

Background:

• Pulmonary arteriography is crucial for diagnosing pulmonary vascular diseases.
• Existing methods for pulmonary artery catheterization can be challenging, especially transvalvular passage.
• The tricuspid valve presents a significant anatomical barrier during catheterization.

Purpose of the Study:

• To evaluate the safety and efficacy of a newly modified Grollman catheter for percutaneous transfemoral pulmonary arteriography.
• To assess the catheter's ability to navigate the tricuspid valve without a tip deflector.
• To determine the complication rate associated with this modified catheter technique.

Main Methods:

• A modified Grollman catheter was designed to facilitate passage through the tricuspid valve.
• Percutaneous transfemoral access was utilized in 175 patients.
• Pulmonary arteriography was performed using the modified catheter.
• Catheter-related complications were meticulously recorded.

Main Results:

• The modified Grollman catheter allowed easy performance of pulmonary arteriography in all 175 patients.
• Catheter passage through the tricuspid valve was successfully achieved without the need for a tip deflector.
• No significant catheter-related complications were observed during the procedures.
• The technique demonstrated rapid and safe access to the pulmonary arteries.

Conclusions:

• The modified Grollman catheter offers a simple, safe, and effective method for percutaneous transfemoral pulmonary arteriography.
• This device facilitates transvalvular navigation, simplifying the procedure.
• The technique minimizes complications, improving patient safety during pulmonary artery access.