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Published on: May 2, 2018
Increased risk of bacterial endocarditis in inflammatory bowel disease
G Kreuzpaintner1, D Horstkotte, A Heyll
1Department of Gastroenterology, Heinrich-Heine-University Düsseldorf, Germany.
Insights
Inflammatory bowel disease (IBD) is a significant risk factor for native valve endocarditis. Patients with active IBD require careful consideration for bacterial endocarditis prophylaxis, even without prior heart conditions.
Area of Science:
- Cardiology
- Gastroenterology
- Infectious Diseases
Background:
- Inflammatory bowel disease (IBD) encompasses chronic conditions affecting the gastrointestinal tract.
- Infective endocarditis (IE) is a serious infection of the heart valves.
Purpose of the Study:
- To investigate the potential overrepresentation of IBD among patients with native valve endocarditis.
- To identify factors predisposing IBD patients to IE.
Main Methods:
- A retrospective and prospective case-control study involving 213 patients with proven native valve endocarditis.
- Prevalence of IBD in the Düsseldorf area determined to be 0.0641%.
Main Results:
- Six patients (2.8%) with endocarditis also had IBD (ulcerative colitis or Crohn's disease).
- A statistically significant 44-fold overrepresentation of IBD was observed in endocarditis patients (p < 0.001).
Conclusions:
- IBD is identified as an independent risk factor for bacterial endocarditis.
- Potential contributing factors include increased bacteremia, mucosal permeability, and immunosuppressive therapy in active IBD.
- Prophylaxis for bacterial endocarditis should be considered for IBD patients with active disease before procedures causing bacteremia.
Purpose:
The purpose of this retrospective as well as prospective case-control study was to analyze a possible overrepresentation of inflammatory bowel diseases among patients with native valve endocarditis as well as the factors that predispose patients with inflammatory bowel disease to infective endocarditis.
Patients And Methods:
Among 213 consecutive patients treated for proven native valve endocarditis, six (2.8%) had inflammatory bowel diseases (three with ulcerative colitis and three with Crohn's disease). Three patients with inflammatory bowel disease were from the retrospective group, and three were from the prospective group. The prevalence of inflammatory bowel diseases has been determined to be 0.0641% in the Düsseldorf area.
Results:
On the basis of these data, a 44-fold overrepresentation of inflammatory bowel diseases among the 213 patients with endocarditis was calculated with a statistical significance of p much less than 0.001.
Conclusions:
Inflammatory bowel disease may be considered an independent risk factor for bacterial endocarditis. Reasons may be more frequent bacteremias as a result of the higher incidence of diagnostic and therapeutic interventions, as well as increased permeability of the damaged mucosa for bacteria and the therapeutic immunosuppression in patients with active inflammatory bowel disease. Prophylaxis for bacterial endocarditis should be carefully considered before expected bacteremias in patients with highly active inflammatory bowel disease even in the absence of cardiac factors predisposing to bacterial endocarditis.
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