Acute Renal Failure Following Massive Mannitol Infusion Appropriate Response of Tubuloglomerular Feedback?

Philip Goldwasser, MD; Serban Fotino, MD
Arch Intern Med. 1984;144(11):2214-2216. doi:10.1001/archinte.1984.04400020132020.
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• Two patients suffered reversible acute oligoanuric renal failure following massive mannitol infusion (400 to 900 g/day) given as treatment for intracranial hypertension. We believe this to be a previously unreported complication. Both patients had normal renal function before therapy. Serum creatinine level rose to 7.4 mg/dL (654 μmole/L) in patient 1 and to 2.7 mg/dL (238 μmole/L in patient 2. Measured and calculated serum osmolality were 362 and 301 mOsm/kg, respectively, in patient 1 and 333 and 220 mOsm/kg, respectively, in patient 2. Other causes of renal failure were excluded. We postulate that the mannitol-induced increase in solute delivery to the macula densa may have triggered an intense tubuloglomerular feed-back response resulting in a marked fall in glomerular filtration rate. Alternatively, mannitol infusion may have caused tubular cell swelling with luminal obstruction.

(Arch Intern Med 1984;144:2214-2216)


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