Related Experiment Video
Updated: Dec 20, 2025

Improvement of a Closed Chest Porcine Myocardial Infarction Model by Standardization of Tissue and Blood Sampling Procedures
Published on: March 12, 2018
Uncrossable and undilatable lesions-A practical approach to optimizing outcomes in PCI
Conor McQuillan1, Matthew W P Jackson1, Emmanouil S Brilakis2
1Cardiac Department, Freeman Hospital, Newcastle upon Tyne, UK.
Uncrossable lesions, often found in complex arterial blockages, pose a significant challenge during percutaneous coronary intervention (PCI). This guide offers an algorithmic approach using modern equipment to manage these difficult-to-treat lesions effectively.
Area of Science:
- Interventional Cardiology
- Vascular Biology
- Medical Device Technology
Background:
- Uncrossable lesions are a frequent complication in percutaneous coronary intervention (PCI), particularly in chronic total occlusions (CTOs).
- These lesions increase procedural complexity, time, radiation exposure, contrast use, and decrease success rates.
- They represent the second leading cause of PCI failure in CTO interventions.
Purpose of the Study:
- To present a pragmatic, algorithmic strategy for managing balloon-unைகrossable lesions during PCI.
- To detail contemporary techniques and equipment for addressing both uncrossable and undilatable lesions.
- To provide guidance for interventional cardiologists facing these challenging lesions.
Main Methods:
- Review of current literature and clinical experience with uncrossable and undilatable lesions.
- Description of an algorithmic approach, starting with simpler techniques and progressing to advanced strategies.
- Emphasis on utilizing modern interventional cardiology equipment and devices.
Main Results:
- Successful management of uncrossable lesions can be achieved through a stepwise, equipment-based approach.
- Contemporary techniques allow for effective lesion preparation even after initial guidewire crossing.
- The described strategy aims to improve procedural success rates and patient outcomes.
Conclusions:
- A structured, algorithmic approach is crucial for managing balloon-unைகrossable lesions in PCI.
- Modern interventional tools enhance the ability to successfully treat complex and resistant arterial lesions.
- Addressing uncrossable and undilatable lesions effectively improves PCI outcomes.
More Related Videos
Related Concept Videos
Peripheral Artery Disease III: Interprofessional Care
Coronary Artery Disease V: Interprofessional Care
Angina IV: Management
Acute Coronary Syndrome IV: Interprofessional Care

