Related Experiment Video
Updated: May 24, 2026

Catheter-based Endovascular Angioplasty for Fibrosing Mediastinitis-associated Pulmonary Vein Stenosis
Published on: August 26, 2025
Double guiding catheters for complex percutaneous coronary intervention
Shing-Hsien Chou1, Chia-Pin Lin, Yen-Chen Lin
1The First Cardiovascular Division, Chang Gung Memorial Hospital and Chang Gung University, Tao-Yuan 33305, Taiwan, Republic of China.
Insights
A novel double guiding catheter technique enables complex percutaneous coronary interventions (PCI) when standard methods fail due to vascular access issues. This approach facilitates kissing-balloon or dual-stent placement for challenging coronary artery disease.
Area of Science:
- Interventional Cardiology
- Vascular Surgery
Background:
- Complex percutaneous coronary intervention (PCI) often necessitates large-lumen guiding catheters.
- Vascular access site disease or tortuous anatomy can restrict guiding catheter insertion, complicating PCI procedures.
Observation:
- A unique double guiding catheter technique was employed in two patients requiring complex PCI.
- Two 6F guiding catheters were concurrently used to engage the target vessel ostium.
Findings:
- In one case, the double catheter setup facilitated kissing-balloon dilation after single-stent placement.
- In the second case, sequential stent delivery and simultaneous kissing stent deployment were achieved, followed by high-pressure kissing-balloon postdilation.
Implications:
- This double guiding catheter technique offers a viable solution for complex PCI when conventional methods are limited by anatomical challenges.
- It expands treatment options for patients with severe coronary artery disease requiring advanced revascularization strategies.
Abstract:
A large-lumen guiding catheter is often used for complex percutaneous coronary intervention-particularly when a final kissing-balloon or 2-stent technique is required. However, catheter insertion is sometimes restricted by diseased vascular access sites or a tortuous vascular route.We report 2 cases in which a unique double guiding catheter technique was used to create a lumen of sufficient size for complex percutaneous coronary intervention. In each patient, two 6F guiding catheters were used concurrently to engage the ostium of 1 target vessel. In 1 patient, these catheters were used for the delivery of 2 balloons to complete kissing-balloon dilation after single-stent placement. In the other patient, the catheters were used to deliver 2 stents sequentially to their respective target lesions. The stents were then deployed simultaneously as kissing stents, followed by high-pressure kissing-balloon postdilation.
Related Concept Videos
Cardiac Catheterization III: Left Heart Catheterization
Cardiac Catheterization IV: Nursing Management
Cardiac Catheterization I: Pre-Procedure Overview
Cardiac Catheterization II: Right Heart Catheterization
Parentral Nutrition: Centeral and Peripheral Parental Nutrition
PN can be administered through two primary routes:
1. Central Parenteral Nutrition (CPN):
CPN involves delivering a high concentration of nutrients through a large vein. This is typically achieved using a Peripherally Inserted Central Catheter (PICC) or,...

