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The splanchnic autonomic outflow in amyloid neuropathy and Tangier disease

From the Peripheral Nerve Laboratory, Mayo Clinic and Mayo Foundation, Rochester, MN.

Address correspondence and reprint requests to Dr. Low, Peripheral Nerve Laboratory, Mayo Clinic and Mayo Foundation, Rochester, MN 55901.

The splanchnic outflow is important in the maintenance of postural normotension in humans. Pathology of outflow is usually associated with postural hypotension. Morphometric analyses were performed on the intermediolateral column neuron cell bodies at the T7 level in four cases of amyloid neuropathy and one case of Tangier disease. In amyloid neuropathy, postural hypotension is common; cell counts were reduced and ranged from 50 to 79% of control values. In Tangier disease, postural hypotension has not been reported; cell counts were normal.

This work was supported in part by center grants from National Institutes of Health (No. NS14304) and the Muscular Dystrophy Association (No. 12) and by Mayo, Borchard, Upton, and Gallagher Funds.

Accepted for publication June 20, 1980