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[Postinfectious acute glomerulonephritis]
Arnaud Garnier1, Michel Peuchmaur, Georges Deschênes
1Service de néphrologie pédiatrique, hôpital Robert-Debré, Assistance publique-Hôpitaux de Paris, 48, boulevard Sérurier, 75935 Paris, France.
Insights
Postinfectious acute glomerulonephritis, often seen in children, follows infections and causes hematuria. Severe fluid overload requires prompt treatment with diuretics or renal replacement therapy.
Area of Science:
- Nephrology
- Pediatric Nephrology
- Infectious Diseases
Context:
- Postinfectious acute glomerulonephritis (PAGN) is a kidney disease primarily affecting children aged 2-10 years.
- It typically arises after group A beta-hemolytic streptococcus infections of the skin or respiratory tract.
- A latent period of 1-3 weeks precedes the onset of nephritic syndrome.
Purpose:
- To outline the clinical presentation and management of postinfectious acute glomerulonephritis in children.
- To highlight the characteristic features, including hematuria, proteinuria, and potential for severe fluid overload.
- To emphasize urgent treatment strategies for complications like hypertension and heart failure.
Summary:
- PAGN presents with persistent microscopic or macroscopic hematuria.
- Proteinuria and reduced glomerular filtration rate are generally mild.
- Severe salt and water retention can lead to hypertension, congestive heart failure, or pulmonary edema.
Impact:
- Early recognition and management of PAGN are crucial to prevent severe complications.
- Understanding the typical progression aids in timely diagnosis and intervention.
- Effective treatment of fluid overload is essential for favorable outcomes in pediatric patients.
Abstract:
Postinfectious acute glomerulonephritis mostly happens in children aged two to 10 years old. Typically, it follows group A beta-hemolytic streptococcus skin or upper respiratory tract infection. There is a latent period of one to three weeks before nephritic syndrome appears. Microscopic or macroscopic hematuria is always present. Proteinuria and decreased glomerular filtration rate are usually mild. By contrast, salt and water retention can be severe and complicated with hypertension, congestive heart failure or pulmonary edema. Fluid overload must be urgently treated by loop diuretics or renal replacement therapy in the most severe cases.
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