Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/102811
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dc.contributor.authorRanasinghe, I.en
dc.contributor.authorParzynski, C.en
dc.contributor.authorFreeman, J.en
dc.contributor.authorDreyer, R.en
dc.contributor.authorRoss, J.en
dc.contributor.authorAkar, J.en
dc.contributor.authorKrumholz, H.en
dc.contributor.authorCurtis, J.en
dc.date.issued2016en
dc.identifier.citationAnnals of Internal Medicine, 2016; 165(1):20-29en
dc.identifier.issn0003-4819en
dc.identifier.issn1539-3704en
dc.identifier.urihttp://hdl.handle.net/2440/102811-
dc.description.abstractBackground: Long-term nonfatal outcomes after implantable cardioverter-defibrillator (ICD) placement are poorly defined. Objective: To determine the long-term risk for ICD-related complications requiring reoperation or hospitalization and reoperation for reasons other than complications, and to assess associated patient and device characteristics. Design: Observational cohort study of ICD implantations from the National Cardiovascular Data Registry ICD registry linked with Medicare fee-for-service claims data. Setting: 1437 U.S. hospitals. Patients: 114 484 patients aged 65 years or older (mean, 74.8 years [SD, 6.2]; 72.4% male) receiving an ICD for the first time from 2006 to 2010 (single-chamber, 19.8%; dual-chamber, 41.3%; cardiac resynchronization therapy with a defibrillator [CRT-D], 38.9%). Measurements: Rate and cumulative incidence of ICD-related complications requiring reoperation or hospitalization and reoperation for reasons other than complications. Results: During a median follow-up of 2.7 years (interquartile range, 1.8 to 3.9 years), 40 072 patients died, representing 12.6 (95% CI, 12.5 to 12.7) deaths per 100 patient-years of follow-up. When the risk for death was accounted for, there were 6.1 (CI, 6.0 to 6.2) ICD-related complications per 100 patient-years that required reoperation or hospitalization and 3.9 (CI, 3.8 to 4.0) reoperations per 100 patient-years for reasons other than complications. Overall, 10 patients had complications or reoperation per 100 patient-years of follow-up. Younger age at implantation (65 to 69 vs. >85 years) (hazard ratio [HR], 1.55 [CI, 1.43 to 1.69]), receipt of a CRT-D device (HR, 1.38 [CI, 1.31 to 1.45]) versus a single-chamber device, female sex (HR, 1.16 [CI, 1.12 to 1.21]), and black race (HR, 1.14 [CI, 1.05 to 1.23]) were associated with the greatest increased risks for ICD-related complications. Limitation: The analysis was limited to Medicare fee-for-service patients aged 65 years or older. Conclusion: Patients have a high rate of device-related complications and reoperation for other causes after ICD implantation. Risks of ICD implantation and strategies to reduce them should be actively considered before implantation. Primary Funding Source: American College of Cardiology Foundation's National Cardiovascular Data Registry.en
dc.description.statementofresponsibilityIsuru Ranasinghe, Craig S. Parzynski, James V. Freeman, Rachel P. Dreyer, Joseph S. Ross, Joseph G. Akar, Harlan M. Krumholz and Jeptha P. Curtisen
dc.language.isoenen
dc.publisherAmerican College of Physiciansen
dc.rights© 2016 American College of Physiciansen
dc.titleLong-term risk for device-related complications and reoperations after implantable cardioverter-defibrillator implantation: an observational cohort studyen
dc.typeJournal articleen
dc.identifier.rmid0030047210en
dc.identifier.doi10.7326/M15-2732en
dc.identifier.pubid247866-
pubs.library.collectionMedicine publicationsen
pubs.library.teamDS11en
pubs.verification-statusVerifieden
pubs.publication-statusPublisheden
Appears in Collections:Medicine publications

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