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Updated: May 13, 2026
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A New Single Chamber Implantable Defibrillator with Atrial Sensing: A Practical Demonstration of Sensing and Ease of Implantation
Published on: February 28, 2012
An implantable left atrial pressure sensor lead designed for percutaneous extraction using standard techniques.
Victor Pretorius1, Ulrika Birgersdotter-Green, J Thomas Heywood
1Department of Cardiothoracic Surgery, University of California San Diego, La Jolla, CA 92093-7892, USA. gpretorius@ucsd.edu
Pacing and Clinical Electrophysiology : PACE
|March 2, 2013
Summary
Percutaneous extraction of the left atrial pressure (LAP) sensor lead is safe and effective for heart failure patients. Standard techniques used for pacemaker lead removal were successful in all cases, avoiding complications.
Area of Science:
- Cardiology
- Medical Devices
- Heart Failure Management
Background:
- Implantable left atrial pressure (LAP) monitoring systems aid advanced heart failure management.
- Device extraction may be necessary, especially due to infection.
- The LAP sensor lead is designed for percutaneous extraction using standard methods.
Purpose of the Study:
- To present clinical experience with percutaneous extraction of the LAP sensor lead.
- To evaluate the safety and efficacy of LAP sensor lead extraction techniques.
Main Methods:
- 82 patients received LAP sensor leads via transseptal catheterization.
- 5 patients underwent percutaneous extraction using manual traction and/or excimer laser sheath.
- Lead design facilitates extraction by folding anchors and allowing sensor separation.
Main Results:
- Successful percutaneous extraction in all 5 patients.
- No embolic events, vascular tears, perforations, or surgical complications occurred.
- Manual traction sufficed for detachment; laser sheath used for scar tissue at insertion sites.
Conclusions:
- LAP sensor lead extraction is safe using standard pacemaker/defibrillator lead extraction techniques.
- The procedure is effective and avoids complications requiring surgical intervention.
