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Association Between Causative Pathogen and Occurrence of Infection-Related Glomerulonephritis in Infective
Nabin K Shrestha1, Emese C Kanyo2, Georges N Nakhoul3
1Department of Infectious Diseases, Cleveland Clinic, Cleveland, Ohio, USA.
Summary
Bartonella infection strongly correlates with infection-related glomerulonephritis (IRGN) in patients with infective endocarditis. This study found Bartonella to be the primary pathogen linked to IRGN development.
Area of Science:
- Nephrology
- Infectious Diseases
- Pathogen-associated Glomerulonephritis
Background:
- Infective endocarditis (IE) can lead to various systemic complications.
- Infection-related glomerulonephritis (IRGN) is a recognized complication of IE, but specific pathogen associations require further clarification.
Purpose of the Study:
- To investigate the association between specific microbial pathogens and the occurrence of infection-related glomerulonephritis (IRGN) in patients with pathologically proven infective endocarditis.
Main Methods:
- A case-control study design was employed.
- 48 patients with pathologically confirmed IRGN were compared with 192 propensity score-matched controls with IE but without IRGN.
- Statistical analysis, including odds ratios and confidence intervals, was used to assess pathogen associations.
Main Results:
- Bartonella exhibited a very strong association with IRGN (odds ratio, 38.2; P < .001).
- No significant association was found between other microorganisms and the occurrence of IRGN.
- The findings highlight Bartonella as a key pathogen in the development of IRGN in IE patients.
Conclusions:
- Bartonella is a significant causative agent of infection-related glomerulonephritis in patients with infective endocarditis.
- Routine etiological investigation for Bartonella should be considered in IE patients presenting with glomerulonephritis.
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