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Arch Neurol. 2006;63:604-605.

	Since this article does not have an abstract, we have provided the first 150 words of the full text and any section headings.

A woman aged 72 years was diagnosed with primary orthostatic hypotension because of a 2-year history of recurrent syncope while standing. She also had constipation, decreased sweating, and urinary disturbance. Despite treatment with ephedrine and fludrocortisone acetate, her symptoms worsened dramatically at age 78 years while she was bedridden because of a vertebral fracture. At that time, she was referred to our institution, and her general neurological examination results were strictly normal. Her blood pressure dropped from 130/90 mm Hg to 70/40 mm Hg at 70° tilting, with decreased heart rate variability during phase IV of the Valsalva maneuver. The plasma norepinephrine level was low in the supine position and failed to increase on standing. Electromyography ruled out peripheral neuropathy. Cardiac iodine 123–metaiodobenzylguanidine uptake was markedly reduced, making the diagnosis of multisystem atrophy unlikely. Cranial magnetic resonance imaging showed no abnormalities. A diagnosis of pure autonomic failure (PAF) was made. . . . [Full Text of this Article]

AUTHOR INFORMATION

Yaroslau Compta, MD; Maria José Martí, MD; Pilar Paredes, MD; Eduardo Tolosa, MD

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