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Variability in Clinical Features of Early Versus Late Cardiovascular Implantable Electronic Device Pocket Infections
Author(s) -
WELCH MARIKO,
USLAN DANIEL Z.,
GREENSPON ARNOLD J.,
SOHAIL MUHAMMAD R.,
BADDOUR LARRY M.,
BLANK ELISABETH,
CARRILLO ROGER G.,
DANIK STEPHAN B.,
DEL RIO ANA,
HELLINGER WALTER,
LE KATHERINE Y.,
MIRO JOSE M.,
NABER CHRISTOPH,
PEACOCK JAMES E.,
VIKRAM HOLENARASIPUR R.,
TSENG CHIHONG,
PRUTKIN JORDAN M.
Publication year - 2014
Publication title -
pacing and clinical electrophysiology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.686
H-Index - 101
eISSN - 1540-8159
pISSN - 0147-8389
DOI - 10.1111/pace.12385
Subject(s) - medicine , erythema , endocarditis , implantable cardioverter defibrillator , cohort , surgery , pediatrics
Background Cardiovascular implantable electronic device (CIED) pocket infections are often related to recent CIED placement or manipulation, but these infections are not well characterized. The clinical presentation of CIED pocket infection, based on temporal onset related to last CIED procedure, deserves further study. Methods The MEDIC (Multicenter Electrophysiologic Device Infection Cohort) prospectively enrolled subjects with CIED infection. Subjects were stratified into those whose infection occurred <12 months (early) or ≥12 months (late) since their last CIED‐related procedure. Results There were 132 subjects in the early group and 106 in the late group. There were more females (P = 0.009) and anticoagulation use (P = 0.039) in the early group. Subjects with early infections were more likely to have had a generator change or lead addition as their last procedure (P = 0.03) and had more prior CIED procedures (P = 0.023). Early infections were more likely to present with pocket erythema (P < 0.001), swelling (P < 0.001), and pain (P = 0.007). Late infections were more likely to have pocket erosion (P = 0.005) and valvular vegetations (P = 0.009). In bacteremic subjects, early infections were more likely healthcare‐associated (P < 0.001). In‐hospital and 6‐month mortality were equivalent. Conclusion A total of 45% of patients with CIED pocket infection presented >12 months following their last CIED‐related procedure. Patients with early infection were more likely to be female, on anticoagulation, and present with localized inflammation, whereas those with late infection were more likely to have CIED erosion or valvular endocarditis.

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