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Related Experiment Video

Updated: Oct 5, 2025

A Novel Approach for the Administration of Medications and Fluids in Emergency Scenarios and Settings

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Stuck OCT Catheter: An Unanticipated Complication.

Sanya Chhikara, Rajat Datta, Abhinav Shrivastava

¹Department of Cardiology, Military Hospital Jaipur, Rajasthan, India. drankushgupta@gmail.com.

The Journal of Invasive Cardiology

|January 31, 2022

Summary

A stuck optical coherence tomography (OCT) catheter during percutaneous coronary intervention (PCI) can deform stents in calcified arteries. Manufacturers should consider longer over-the-wire segments and hydrophilic coatings to prevent this serious complication.

Keywords:

PCI complications intravascular imaging optical coherence tomography stuck catheter

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Area of Science:

Cardiovascular Interventions
Medical Imaging Technology
Interventional Cardiology

Background:

Optical coherence tomography (OCT) is crucial for guiding percutaneous coronary intervention (PCI), especially in complex lesions.
Calcified coronary arteries present unique challenges during PCI procedures.
Overlapping stents can increase procedural complexity and risk.

Purpose of the Study:

To highlight the potential risk of OCT catheter entrapment during PCI of calcified coronary arteries.
To illustrate the consequences of a stuck OCT catheter, specifically stent deformation.
To raise awareness among interventional cardiologists about this specific complication.

Main Methods:

Case report detailing an event during OCT-guided PCI.
Description of OCT catheter manipulation and subsequent stent deformation.
Visual documentation of the complication.

Main Results:

The distal tip of the OCT catheter became stuck in a calcified left anterior descending artery (LAD).
Forceful catheter manipulation resulted in proximal stent deformation at the overlap of multiple stents.
The complication occurred during imaging of distal coronary arteries and overlapping stents.

Conclusions:

A stuck OCT catheter is a significant risk during complex PCI, particularly in calcified LAD and with overlapping stents.
Stent deformation is a serious consequence that can arise from forceful catheter retrieval.
Potential solutions include modifying OCT catheter design, such as increasing the over-the-wire segment length and applying hydrophilic coatings.