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Implantable cardioverter defibrillators and permanent pacemakers: prevalence and patient outcomes after trauma

  • Maria S. Altieri
  • , Ibrahim Almasry
  • , Tyler Jones
  • , Christa McPhee
  • , Jane E McCormack
  • , Emily C Huang
  • , Patricia A Eckardt
  • , Marc J. Shapiro
  • , Sarah Eckardt
  • , James A Vosswinkel
  • , Randeep S. Jawa
  • Stony Brook University

Research & Scholarship: Contribution to journalArticlepeer-review

Abstract

Background
The prevalence and outcomes of older trauma patients with implantable cardioverter defibrillators (ICDs) or permanent pacemakers (PPMs) is unknown.
Methods
The trauma registry at a regional trauma center was reviewed for blunt trauma patients, aged ≥ 60 years, admitted between 2007 and 2014. Medical records of cardiac devices patients were reviewed.
Results
Of 4,193 admissions, there were 146 ICD, 233 PPM, and 3,814 no device patients; median Injury Severity Score was 9. Most cardiac device patients had substantial underlying heart disease. Patients with ICDs (13.0%) and PPMs (8.6%) had higher mortality rates than no device patients (5.6%,  P  = .0002). Among cardiac device patients who died, the device was functioning properly in all that were interrogated; the most common cause of death was intracranial hemorrhage. On propensity score analysis, cardiac devices were not independent predictors of mortality but rather surrogate variables associated with other predictors of mortality.
Conclusions
Approximately 9.0% of admitted older patients had cardiac devices. Their presence identified patients who had higher mortality rates, likely because of their underlying comorbidities, including cardiac dysfunction.
Original languageAmerican English
JournalAJS, The American Journal of Surgery
Volume212
DOIs
StatePublished - 2016

Keywords

  • ICD
  • pacemaker
  • trauma
  • implantable cardiac device

Disciplines

  • Medicine and Health Sciences
  • Nursing

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