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Cardiac implantable electronic device infection in the cardiac referral center in Thailand: incidence, microbiology, risk factors, and outcomes
Author(s) -
Korkerdsup Theerawat,
Ngarmukos Tachapong,
Sungkanuparph Somnuek,
Phuphuakrat Angsana
Publication year - 2018
Publication title -
journal of arrhythmia
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.463
H-Index - 21
eISSN - 1883-2148
pISSN - 1880-4276
DOI - 10.1002/joa3.12123
Subject(s) - medicine , incidence (geometry) , referral , emergency medicine , intensive care medicine , family medicine , optics , physics
Background Despite the long experience of cardiac implantable electronic device ( CIED ) implantation in Thailand, epidemiology of CIED infection in Thailand has never been studied. Methods A retrospective cohort study was conducted at the cardiac referral center in Thailand to investigate incidence of CIED infection and causative organisms between October 2002 and December 2017. A matched case‐control study was performed to determine the factors associated with CIED infection. Results Incidence of CIED infection was 0.9% with a stable trend during the studied period. There were 54 episodes of CIED infection. The median (interquartile range) age of the patients was 67.5 (53.0‐75.0) years. A total of 29 (53.7%), 18 (33.3%), and 7 (13.0%) were permanent pacemaker, automatic implantable cardioverter‐defibrillator, and cardio‐resynchronization therapy‐related infection, respectively. Gram‐positive cocci were the most common organism (24 episodes, 44.4%). Gram‐negative bacilli were isolated in six episodes (11.1%). About 9.3% were polymicrobial and 35.2% were culture negative. Multivariate analysis showed that previous CIED infection and generator revision procedure were associated with CIED infection (odds ratio [ OR ] 48.56, 95% confidence interval [ CI ] 3.72‐633.62; P  =   0.003 and OR 19.99, 95% CI 1.28‐333.24; P  = 0.033 respectively). Forty (74.1%) cases were cured. Leaving device in situ was the only factor significantly associated with poor outcome ( OR 11.40, 95% CI 1.52‐85.73; P  =   0.018). Conclusions In Thailand, while CIED implantation is rising, incidence of CIED infection is stable. Microbiology of CIED infection in Thailand is similar to western countries, albeit a higher proportion of negative culture. Previous CIED infection and generator revision procedure are associated with CIED infection.

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