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Renal Interstitial Invasion by Group A Streptococcus: A Rare Presentation
Francis Lomanta1, Shankar Upadhyayula2
1Department of Pediatrics, Akron Childrens Hospital, Akron, OH, USA.
Case Reports in Infectious Diseases
|May 19, 2022
Summary
Group A Streptococcus (GAS) can directly invade kidney tissues, causing interstitial nephritis in children. This rare complication may be linked to subsequent cardiac issues, highlighting the systemic effects of GAS infections.
Area of Science:
- Pediatric Nephrology
- Infectious Diseases
- Cardiology
Background:
- Group A Streptococcus (GAS) is a common bacterial pathogen.
- GAS infections typically cause pharyngitis or skin infections.
- Renal involvement in GAS infections usually manifests as post-infectious glomerulonephritis.
Observation:
- A 5-year-old child presented with interstitial nephritis due to direct invasion by GAS.
- Kidney glomeruli and tubules showed relative preservation.
- The child recovered from the renal event but later developed dilated cardiomyopathy requiring a heart transplant.
Findings:
- This case represents the first documented instance of direct interstitial invasion of the kidneys by GAS.
- The findings suggest a potential, previously unrecognized pathway for GAS-induced renal pathology.
- A possible association between GAS renal interstitial invasion and subsequent dilated cardiomyopathy is noted.
Implications:
- This case expands the spectrum of renal manifestations of GAS infections.
- It underscores the importance of considering invasive GAS disease in pediatric kidney conditions.
- Further research is needed to elucidate the mechanisms linking GAS interstitial nephritis and cardiac complications.
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