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Updated: Jul 2, 2026

Benefits of Cardiac Resynchronization Therapy in an Asynchronous Heart Failure Model Induced by Left Bundle Branch Ablation and Rapid Pacing
Published on: December 11, 2017
Percutaneous extraction of a coiled, 20-year-old lead in a patient with cardiac resynchronization therapy
Barbara Małecka1, Andrzej Kutarski, Jacek Bednarek
1Departament of Electrocardiology, Cardiology Institute CMUJ, John Paul II Hospital, Kraków, Poland. barbara_malecka@go2.pl
Abstract:
A 61-year-old patient with a 20-year history of permanent pacemaker implantation and half--a-year cardiac resynchronization therapy using a left ventricular lead placed via surgical approach was admitted for extraction of an old coiled right ventricular lead, which triggered ventricular arrhythmia and created a risk of pulmonary embolism. The lead was extracted via the left femoral vein in two stages: untying a loop on the lead using a pig-tail catheter and Dotter basket followed by traction and dissection of adhesions using a Byrd dilator sheath. Dissection of the old lead from the active right ventricular one posed special technical problems.
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