Pacing and clinical electrophysiology : PACE · 2014
Increased long-term mortality in patients with cardiovascular implantable electronic device infections.
СтатьяПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод пока не подготовлен
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Rizwan Sohail Muhammad, Henrikson Charles A, Jo Braid-Forbes Mary, Forbes Kevin F, Lerner Daniel J
Аннотация
BACKGROUND: Device infection is associated with increased mortality in patients receiving cardiovascular implantable electronic device (CIED) therapy. However, long-term mortality associated with CIED infections has not been systematically analyzed in larger studies. This study sought to determine the long-term mortality associated with CIED infection in a large cohort of Medicare beneficiaries.
METHODS: We used a retrospective study design to analyze 3-year mortality in 200,219 Medicare fee-for-service patients admitted for CIED generator implantation, replacement, or revision between January 1, 2007 and December 31, 2007. Multivariate analysis adjusting for age, sex, race, and 28 comorbidities was performed to determine the relative risk (RR) of death in the 12 quarters following CIED infection.
RESULTS: Patients with CIED infection, compared to device recipients without infection, had increased mortality that persisted for at least 3 years after the admission quarter for all device types: pacemakers (PMs: 53.8% vs 33%; P < 0.001), implantable cardioverter defibrillator (ICD: 47.7% vs 31.6%; P < 0.001), and cardiac resynchronization therapy-defibrillator (CRT-D: 50.8% vs 36.5%; P < 0.001). After adjusting for patient demographics and comorbidities, significantly increased RR of death following CIED infection persisted for at least 3 years following PM infection, and for at least 2 years with single- and dual-chamber ICD infection.
CONCLUSIONS: CIED recipients who develop device infection have increased, device-dependent, long-term mortality even after successful treatment of infection. The etiology of this persistent increased risk of death associated with CIED infection is unknown and merits further investigation.
METHODS: We used a retrospective study design to analyze 3-year mortality in 200,219 Medicare fee-for-service patients admitted for CIED generator implantation, replacement, or revision between January 1, 2007 and December 31, 2007. Multivariate analysis adjusting for age, sex, race, and 28 comorbidities was performed to determine the relative risk (RR) of death in the 12 quarters following CIED infection.
RESULTS: Patients with CIED infection, compared to device recipients without infection, had increased mortality that persisted for at least 3 years after the admission quarter for all device types: pacemakers (PMs: 53.8% vs 33%; P < 0.001), implantable cardioverter defibrillator (ICD: 47.7% vs 31.6%; P < 0.001), and cardiac resynchronization therapy-defibrillator (CRT-D: 50.8% vs 36.5%; P < 0.001). After adjusting for patient demographics and comorbidities, significantly increased RR of death following CIED infection persisted for at least 3 years following PM infection, and for at least 2 years with single- and dual-chamber ICD infection.
CONCLUSIONS: CIED recipients who develop device infection have increased, device-dependent, long-term mortality even after successful treatment of infection. The etiology of this persistent increased risk of death associated with CIED infection is unknown and merits further investigation.