Background: Transvenous lead extraction has been possible since the 1980s. However, complications during lead extraction, such as the distal end fragment of the lead remaining in the myocardium or venous system and injury to the veins or heart, have been reported.
Objective: The purpose of this study was to examine our method for complete removal of a separated lead, as extraction of long-term implanted devices is difficult using standard methods and may require additional procedures. The removal of leads with inner conductor coil and lead tip separated from outer insulation, conductor coil, and proximal ring electrode using a multipurpose catheter is reported.
Methods: In total, 345 consecutive patients who underwent transvenous lead extraction (TLE) from April 2014 to March 2021 were retrospectively analyzed. Lead characteristics, device type, and indications for extraction were further analyzed in 20 patients who developed separation of the proximal ring electrode and outer conductor coil from the inner conductor and distal tip at the time of extraction.
Results: Extractions were performed using an excimer laser sheath laser and a Byrd polypropylene telescoping sheath (n = 15); laser, Byrd polypropylene telescoping sheath, and Evolution RL (n = 2); laser and Evolution RL (n = 3); Byrd polypropylene telescoping sheath and Evolution RL (n = 1); Byrd polypropylene telescoping sheath only (n = 4); and Evolution RL only (n = 2). Twenty-seven leads implanted for more than 10 years had lead separation. A multipurpose catheter was used to protect the fragile leads from further damage. All leads were completely extracted.
Conclusion: All distal tip-to-proximal ring electrode separated leads were successfully removed using laser and other sheaths with the assistance of a multipurpose catheter, without any part of the leads remaining in the heart.
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http://dx.doi.org/10.1016/j.hrthm.2023.03.209 | DOI Listing |
Cureus
November 2024
Cardiology, Akita Cerebrospinal and Cardiovascular Center, Akita, JPN.
Background Ventricular septal pacing has long been performed using a stylet during pacemaker implantation, but with the availability of guiding catheters, His bundle pacing and left bundle branch area pacing have also been performed. However, it is not known to what extent the tip load of the ventricular lead differs when a guiding catheter is used compared with a stylet alone. In this study, the tip load was measured for different stylet stiffness and guiding catheter geometries at sites where His bundle pacing and left bundle branch area pacing were assumed.
View Article and Find Full Text PDFJ Thorac Dis
November 2024
Department of Vascular Surgery, Taizhou Hospital of Zhejiang Province Affiliated to Wenzhou Medical University, Linhai, China.
Background: Patients with acute and high-risk pulmonary embolism have a high mortality rate, and the optimal treatment for these patients has still not been fully established. Although anticoagulation therapy is currently the preferred treatment for pulmonary embolism, for some patients with intermediate- or high-risk pulmonary embolism, anticoagulation therapy alone has a higher probability of long-term pulmonary hypertension and also seriously worsens the quality of life of patients. This paper mainly reports the efficacy and safety of percutaneous mechanical thrombectomy (PMT) in patients with acute medium- or high-risk pulmonary embolism in Taizhou Hospital of Zhejiang Province so as to provide some clinical basis for the treatment of such patients in the future.
View Article and Find Full Text PDFAn Pediatr (Engl Ed)
August 2024
Departamento de Pediatría y Cirugía Pediátrica, Centro de Ciencias de la Salud, Universidad Estatal de Londrina, Londrina-Paraná, Brazil. Electronic address:
Introduction: Health care-associated infections (HAIs) contribute to morbidity and mortality and to the dissemination of multidrug-resistant organisms. Children admitted to the intensive care unit undergo invasive procedures that increase their risk of developing HAIs and sepsis. The aim of the study was to analyse factors associated with mortality due to sepsis arising from HAIs.
View Article and Find Full Text PDFCancers (Basel)
March 2024
Department of Hematology and Transplantology, Pomeranian Medical University, 71-252 Szczecin, Poland.
The management of patients undergoing HSCT requires a multipurpose central venous catheter. Peripheral catheters (PCs), such as peripherally inserted central catheters (PICCs) and MidLine catheters (MLCs), appear to be adequate vascular catheters to be used for stem cell infusion, although their utilization in this indication is not yet common. We analyzed the infectious complications such as blood stream infection (BSI), febrile neutropenia (FN) and central line-associated bloodstream infection (CLBSI) in patients undergoing stem cell infusion through PC and conventionally inserted central catchers (CICCs), and evaluated their impacts on transplantation outcomes.
View Article and Find Full Text PDFFront Cardiovasc Med
February 2024
University Cardiology Department, IRCCS Galeazzi-Sant'Ambrogio Hospital, Milan, Italy.
Background: Closure of paravalvular leak (PVL) regurgitation after self-expandable (SE) transcatheter aortic valve implantation (TAVI) may be more challenging than after balloon-expandable (BE) valve implantation.
Case Summary: An 85-year-old woman suffering from long-standing atrial fibrillation and severe symptomatic aortic stenosis underwent SE TAVI (26 mm Evolut™ R®, Medtronic Inc., MN, USA).
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