Figure 827

Duration and resolution of acute renal failure (ARF). Most of the episodes of ARF resolved in the first month of evolution. Mean duration of ARF was 14 days. Seventy-eight percent of the patients with ARF who died did so within 2 weeks after the renal insult. Similarly, 60% of survivors had recovered renal function at that time. After 30 days, 90% of the patients had had a final resolution of the ARF episode, one way or the other. Patients who finally lost renal function and needed to be included in a chronic periodic dialysis program usually had severe forms of glomerulonephritis, vasculitis, or systemic disease. (From Liano et al. [1]; with permission.)

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