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Proteinuria in benign nephrosclerosis.

G Morduchowicz, G Boner, M Ben-Bassat

Archives of Internal Medicine

|August 1, 1986

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Benign nephrosclerosis typically does not cause kidney problems. However, this study found that significant proteinuria with benign nephrosclerosis indicates a poor prognosis and potential renal failure.

Area of Science:

Nephrology
Pathology

Background:

Benign nephrosclerosis is generally associated with mild or no renal dysfunction.
Significant proteinuria and reduced renal function are uncommon in benign nephrosclerosis.

Purpose of the Study:

To investigate the prognostic significance of proteinuria in patients with benign nephrosclerosis.
To determine if benign nephrosclerosis with proteinuria indicates a progressive kidney disease.

Main Methods:

Retrospective study of 12 patients (age 24-59) with hypertension, proteinuria (>1 g/d), and benign nephrosclerosis on biopsy.
Follow-up data was available for 11 patients.

Main Results:

Nine out of 11 patients developed nephrotic syndrome.

Related Experiment Videos

Seven patients experienced decreased renal function (increased serum creatinine).

Two patients progressed to end-stage renal disease requiring dialysis.

Conclusions:

The combination of hypertension, significant proteinuria, and benign nephrosclerosis suggests a progressive kidney condition.
This combination is predictive of a poor renal outcome, including a high risk of renal failure.