Related Experiment Video
Updated: Aug 14, 2026

Glomerular Outgrowth as an Ex Vivo Assay to Analyze Pathways Involved in Parietal Epithelial Cell Activation
Published on: August 19, 2020
Acute postinfectious crescentic glomerulonephritis: clinicopathologic presentation and risk factors
Amr A El-Husseini1, Hussein A Sheashaa, Alaa A Sabry
1Mansoura Urology and Nephrology Center, Mansoura University, Mansoura, Egypt. amr_2000_2002@yahoo.com
Insights
Postinfectious crescentic glomerulonephritis (CGN) is severe, often causing rapid kidney failure. Persistent hypertension and nephrotic proteinuria during follow-up predict poor renal outcomes in these patients.
Area of Science:
- Nephrology
- Immunology
- Pathology
Background:
- Glomerular crescent formation signifies severe glomerulonephritis.
- Postinfectious glomerulonephritis with crescents typically has a better prognosis, but poorer outcomes are reported in South Africa.
- This study investigates prognostic factors in postinfectious crescentic glomerulonephritis (CGN).
Purpose of the Study:
- To determine the presentation patterns of postinfectious CGN.
- To identify prognostic factors influencing renal and patient outcomes in postinfectious CGN.
Main Methods:
- Retrospective analysis of 23 postinfectious CGN cases managed between 1990-2000.
- Evaluation of clinical, laboratory, and histopathological data.
- Mean follow-up of 40.1 months.
Main Results:
- Univariate analysis identified age, hypertension, and nephrotic range proteinuria as risk factors for renal dysfunction.
- Multivariate analysis confirmed hypertension and nephrotic range proteinuria as significant risk factors.
- Hypertension and elevated serum creatinine at follow-up impacted patient mortality.
Conclusions:
- Postinfectious CGN is a severe condition presenting with rapid renal failure.
- Persistent hypertension and nephrotic range proteinuria are key predictors of poor renal outcomes.
Background:
Glomerular crescent formation is a feature of the most severe forms of human glomerulonephritis. The postinfectious form of rapidly progressive glomerulonephritis with crescents is a form of immune complex glomerulonephritis which seem to have a better prognosis. A relatively poorer prognosis for crescentic postinfectious glomerulonephritis in South Africa has been reported. In the present study, we have tried to determine the mode of presentation, and the prognostic factors for renal and patient outcome for cases with postinfectious crescentic glomerulonephritis (CGN).
Methods:
Between 1990 and 2000 a total number of 128 patients with CGN were managed at our center, among them 23 cases were diagnosed as postinfectious CGN. They were followed-up for a mean period of 40.1 +/- 28.9 months. Among them 12 were males and 11 were females. The median age was 12.35 years (range 4-55 years). The median serum creatinine at presentation was 7.24 mg/dl (range 1.3-14.5 mg/dl). We studied the clinical, laboratory and histopathological data .of our cases and their impact on the renal and patient outcome.
Results:
By univariate study the risk factors for renal dysfunction were the age, hypertension, and nephrotic range proteinuria during the follow-up period. By multivariate analysis only the, hypertension, and presence of nephrotic range proteinuria during the follow-up period were the significant risk factors. The risk factors that significantly affected patient mortality were hypertension and serum creatinine at last follow-up.
Conclusion:
postinfectious CGN is a severe form of glomerulonephritis that usually presents with rapidly progressive renal failure. The persistence of hypertension and nephrotic range proteinuria during the follow-up are major bad prognostic predictors for renal dysfunction.
Related Concept Videos
Nephrotic Syndrome I : Introduction
Acute Kidney Injury II: Pathophysiology
Acute Pyelonephritis I: Introduction
Acute Kidney Injury III: Clinical Manifestations
Acute Kidney Injury I: Introduction
Acute Kidney Injury IV: Diagnostic Studies and Prevention