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Quantitative Autonomic Testing

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Published on: July 19, 2011

Autonomic dysfunction and anemia in neurologic disorders

Y Ando¹, K Asahara, K Obayashi

¹First Department of Internal Medicine, Kumamoto University School of Medicine, Japan.

Journal of the Autonomic Nervous System

|November 6, 1996

Summary

Autonomic dysfunction is linked to anemia in neurological disorders like FAP and pandysautonomia. Treating anemia with erythropoietin also improved symptoms, suggesting a connection between autonomic function and red blood cell production.

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Area of Science:

Neurology
Hematology
Autonomic Nervous System

Background:

Autonomic dysfunction is a feature of several neurological disorders.
The relationship between autonomic dysfunction and anemia requires further investigation.

Purpose of the Study:

To examine the effect of autonomic dysfunction on anemia in familial amyloidotic polyneuropathy (FAP) Type I, pandysautonomia, and Shy-Drager syndrome.
To compare these findings with amyotrophic lateral sclerosis (ALS) patients, who lack autonomic dysfunction.

Main Methods:

Comparative analysis of hemograms in patients with FAP, pandysautonomia, Shy-Drager syndrome, and ALS.
Assessment of bone marrow status in pandysautonomia patients.
Treatment of FAP patients with human recombinant erythropoietin.

Main Results:

FAP and pandysautonomia patients exhibited significant anemia correlated with autonomic dysfunction severity.
Shy-Drager patients showed mild anemia.
ALS patients, even in late stages, did not present with anemia.
Pandysautonomia patients displayed hypoplastic bone marrow, similar to FAP patients.
Erythropoietin treatment improved anemia and orthostatic hypotension in FAP patients.

Conclusions:

Autonomic dysfunction appears to be closely associated with erythropoiesis.
The findings suggest a potential role for erythropoietin in managing anemia in specific neurological conditions with autonomic involvement.