Most physicians think of acute glomerulonephritis as a disease of children and young adults. Indeed, the majority of series show a strong predilection of this illness for the young age groups,1-3 its incidence peaking between the ages of 3 and 7 years.4 However, elderly patients are not immune to the disorder and acute glomerulonephritis has been reported to develop at a very late age.5-8 Cases among the aged continue to occur, even in an era in which acute poststreptococcal glomerulonephritis is becoming a rarity in the pediatric services of developed countries9 and when the incidence of streptococcus-related diseases seems to be declining.10
The clinical features of acute postinfectious glomerulonephritis in the elderly do not differ appreciably from those in other age groups and basically reflect an acute nephritic syndrome with azotemia, oliguria, hypertension, edema, hematuria, and varying degrees of proteinuria. Hypocomplementemia is frequently found during