Acute Lead Dislodgements in NCDR ® ICD Registry™ Patients Alan Cheng, MD, Yongfei Wang, MS, Jeptha P. Curtis, MD, Paul D. Varosy, MD Johns Hopkins University School of Medicine Yale University School of Medicine University of Colorado, Denver School of Medicine November 16, 2009
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Acute Lead Dislodgements in NCDR ® ICD Registry™ Patients Alan Cheng, MD, Yongfei Wang, MS, Jeptha P. Curtis, MD, Paul D. Varosy, MD Johns Hopkins University.
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Acute Lead Dislodgements in NCDR® ICD Registry™ Patients
Alan Cheng, MD, Yongfei Wang, MS, Jeptha P. Curtis, MD, Paul D. Varosy, MD
Johns Hopkins University School of MedicineYale University School of Medicine
University of Colorado, Denver School of MedicineNovember 16, 2009
Disclosures• A.C.
– Boston Scientific (research, honorarium)
– Medtronic (honorarium)
• J.P.C.
– Medtronic (ownership)
• P.D.V.
– Boston Scientific (honorarium)
Background• Acute lead dislodgements are common
adverse events
• Current estimates range between 1.8-8%
• Many dislodgements occur early after implant
• Little is known regarding predisposing factors and sequelae related to lead dislodgments
Methods• NCDR® ICD Registry™ includes Medicaire
beneficiaries undergoing ICD/CRT implants
• Entries from 4/2006—09/2008 screened
• Previous ICDs excluded
• 1° endpoint: acute lead dislodgements
• 2° endpoint: advanced adverse events
Methods (cont’d)• Variables used in ICD Registry™ v1.08