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Clinical Implications of Steroid Therapy for Crescentic Glomerulonephritis and Gemella morbillorum-associated

Shiori Kobayashi1, Kota Kakeshita1, Teruhiko Imamura1

  • 1The Second Department of Internal Medicine, University of Toyama, Japan.

Internal Medicine (Tokyo, Japan)
|September 14, 2020
PubMed

Insights

Steroid therapy improved glomerulonephritis in a patient with infective endocarditis (IE) and Gemella morbillorum. This approach may be beneficial for critical, comorbid nephritis despite active IE.

Area of Science:

  • Nephrology
  • Infectious Diseases
  • Cardiology

Background:

  • Infective endocarditis (IE) can lead to severe complications, including renal dysfunction.
  • Gemella morbillorum is a rare cause of IE, often associated with significant morbidity.
  • Pauci-immune necrotizing crescentic glomerulonephritis is a severe form of kidney disease linked to infections.

Observation:

  • A 54-year-old male presented with IE, mitral valve vegetation, severe regurgitation, and renal dysfunction.
  • The patient was diagnosed with infection-related pauci-immune necrotizing crescentic glomerulonephritis.
  • Despite antibiotic treatment, nephritis persisted, accompanied by recurrent cerebral hemorrhages.

Findings:

  • Steroid therapy was initiated, prioritizing it over early mitral valve surgery.
  • Complete improvement of glomerulonephritis was observed following steroid administration.
  • The patient's renal function and neurological status stabilized.

Implications:

  • Steroid therapy may be a viable treatment option for critical glomerulonephritis complicating active infective endocarditis.
  • This case suggests a potential benefit of immunosuppression in managing severe renal involvement in IE.
  • Further research is warranted to clarify the role of steroids in active IE with comorbid glomerulonephritis.
Keywords:
Gemella morbillorumhypocomplementemiapurpura

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