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Risk factors for Gram-negative bacterial infection of cardiovascular implantable electronic devices: multicentre observational study (CarDINe Study)

  • CarDINe Study Group
  • St. Orsola Hospital-University of Bologna
  • University of Bologna
  • Department of Internal Medicine
  • Hacettepe University
  • OLV Hospital Aalst
  • Federico II University Hospital/Campania RS
  • University of Brescia
  • San Raffaele Scientific Institute
  • University of Health Sciences
  • Maria Cecilia Hospital
  • Fondazione Policlinico Universitario A. Gemelli IRCCS-Università Cattolica del Sacro Cuore
  • IRCCS Istituto per le Malattie Infettive Lazzaro Spallanzani - Roma
  • University of Patras
  • University of Campania Luigi Vanvitelli
  • University of Lausanne
  • Yildirim Beyazit Universitesi
  • Dokuz Eylul University
  • University Hospital Complex of Vigo
  • La Paz University Hospital–IdiPAZ
  • Istanbul Medipol University
  • Fresenius AG
  • IRCCS Fondazione Ca'Granda – Ospedale Maggiore Policlinico - Milano

Research output: Contribution to journalArticlepeer-review

12 Citations (Scopus)

Abstract

Background: Infections of cardiovascular implantable electronic devices (CIED) are mainly due to Gram-positive bacteria (GPB). Data about Gram-negative bacteria CIED (GNB-CIED) infections are limited. This study aimed to investigate risk factors, clinical and diagnostic characteristics, and outcome of patients with GNB-CIED. Methods: A multicentre, international, retrospective, case-control-control study was performed on patients undergoing CIED implantation from 2015 to 2019 in 17 centres across Europe. For each patient diagnosed with GNB-CIED, one matching control with GPB-CIED infection and two matching controls without infection were selected. Results: A total of 236 patients were enrolled: 59 with GNB-CIED infection, 59 with GPB-CIED infection and 118 without infection. No between-group differences were found regarding clinical presentation, diagnostic and therapeutic management. A trend toward a higher rate of fluorodeoxyglucose positron emission computed tomography (FDG PET/CT) positivity was observed among patients with GNB than in those with GPB-CIED infection (85.7% vs. 66.7%; P = 0.208). Risk factors for GNB-CIED infection were Charlson Comorbidity Index Score (relative risk reduction, RRR = 1.211; P = 0.011), obesity (RRR = 5.122; P = 0.008), ventricular-pacing ventricular-sensing inhibited-response pacemaker implantation (RRR = 3.027; P = 0.006) and right subclavian vein site of implantation (RRR = 5.014; P = 0.004). At 180-day survival analysis, GNB-CIED infection was associated with increased mortality risk (HR = 1.842; P = 0.067). Conclusions: Obesity, high number of comorbidities and right subclavian vein implantation site were associated with increased risk of GNB-CIED infection. A prompt therapeutic intervention that may be guided using FDG PET/CT is suggested in patients with GNB-CIED infection, considering the poorer outcome observed in this group.

Original languageEnglish
Article number106734
JournalInternational Journal of Antimicrobial Agents
Volume61
Issue number3
DOIs
Publication statusPublished - Mar 2023

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 3 - Good Health and Well-being
    SDG 3 Good Health and Well-being

Keywords

  • CIED infection
  • Cardiovascular implantable electronic devices
  • Endocarditis
  • FDG PET/CT
  • Gram-negative

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