Two men had acute nonprogressive pandysautonomia. Both of them showed orthostatic hypotension, fainting in upright position, pupillary disturbances, diminished sweating, anacidity, and impotence. Case 1 showed considerable but inadequate improvement within 31 months. Case 2 recovered completely after 11 months.
Clinical and pharmacodynamic investigations suggested that the main lesion was located in postganglionic fibers in case 1 and in preganglionic fibers in case 2. The cause of this disorder is unknown, although both patients had undergone substantial weight loss.
Okada F, Yamashita I, Suwa N. Two Cases of Acute Pandysautonomia. Arch Neurol. 1975;32(3):146–151. doi:10.1001/archneur.1975.00490450026002
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