• P Khajehdehi, A Shariat, and A Nikseresht.
• Department of Internal Medicine, Shahid Faghihi Hospital, Shiraz University of Medical Sciences, Iran.
• Nephrol. Dial. Transplant. 1998 Sep 1; 13 (9): 2388-91.

BackgroundBlood urea nitrogen (BUN) >60 mg/dl has been reported to occur commonly in patient's with severe Landry-Guillain-Barré syndrome.AimsTo find out the cause for this high BUN we compared the renal function tests of 30 consecutive cases with severe Landry-Guillain-Barré syndrome to those of 30 controls.ResultsAcute renal failure occurred in seven patients with Landry-Guillain-Barré syndrome and none of the control group. Acute renal failure was found more in cases with Landry-Guillain-Barré syndrome compared to controls (P=0.0049). Six out of seven cases with Landry-Guillain-Barré syndrome and acute renal failure had dysautonomia and became oliguric while being in a hypotensive state. Of 30 patients with Landry-Guillain-Barré syndrome seven cases died. From eight patients with dysautonomia six cases who had acute renal failure died. The mortality rate was higher in cases with dysautonomia and acute renal failure (P = 0.0001 and 0.00001, respectively). Interestingly no glomerular disease was found.ConclusionIn conclusion acute renal failure can occur commonly in cases with severe Landry-Guillain-Barré syndrome particularly in those with dysautonomia, causing high mortality.

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