Removal of coronary sinus intima by a guidewire during cardiac resynchronization therapy

Area of Science:

• Cardiology
• Medical Device Technology
• Cardiac Electrophysiology

Background:

• Left ventricular pacing lead implantation is a common procedure for cardiac rhythm management.
• Reported complications range from 1.9% to 6% of cases, necessitating careful technique.
• Understanding potential risks is crucial for improving patient safety during lead placement.

Observation:

• A specific case of venous intima stripping from the coronary sinus was observed.
• The complication occurred during left ventricular lead implantation.
• A guidewire was identified as the instrument causing the venous intima stripping.

Findings:

• Firm guidewires and coronary catheters pose a risk of damaging the coronary sinus intima.
• The mechanical interaction between the guidewire and the venous intima can lead to stripping.
• This specific complication highlights a potential, albeit infrequent, hazard of the procedure.

Implications:

• Avoidance of firm guidewires and coronary catheters within the coronary sinus is recommended.
• This finding may influence procedural guidelines for left ventricular lead implantation.
• Enhanced awareness and modified techniques can potentially reduce lead placement complications.