Sudomotor dysfunction in autoimmune autonomic ganglionopathy

A follow-up study

Kurt Kimpinski, Valeria Iodice, Paola Sandroni, Robert D. Fealey, Steven Vernino, Phillip Anson Low

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Objective We have previously shown that sudomotor dysfunction in autoimmune autonomic ganglionopathy is severe, widespread, and predominantly post-ganglionic. However, the long-term changes in sudomotor function have not been studied in detail. Our objective was to characterize the long-term changes in sudomotor dysfunction in patients with autoimmune autonomic ganglionopathy. Methods Changes in sudomotor function were compared in a cohort of nine α3 nAChR antibody positive autoimmune autonomic ganglionopathy patients over an approximate 5-year period. Standard measurements of sudomotor function were used including the thermoregulatory sweat test and quantitative sudomotor axon reflex test. Results Total body anhidrosis on thermoregulatory sweat testing showed improvement in four of nine patients. Quantitative sudomotor axon reflex testing for both forearm and foot sites was variable with four of nine patients showing improvement in total sweat output. Distribution of sudomotor dysfunction at follow-up was post-ganglionic in seven of nine patients at the foot site and three of nine patients at the forearm site. Overall, sudomotor dysfunction was post-ganglionic in seven of nine patients throughout the follow-up period (62.4 ± 19.4 months). Interpretation Sudomotor dysfunction in autoimmune autonomic ganglionopathy was severe and widespread throughout the follow-up period for the majority of patients studied. Sudomotor dysfunction was predominantly postganglionic throughout the follow-up period.

Original languageEnglish (US)
Pages (from-to)131-136
Number of pages6
JournalClinical Autonomic Research
Volume22
Issue number3
DOIs
StatePublished - Jun 2012

Fingerprint

Sweat
Forearm
Axons
Reflex
Foot
Hypohidrosis
Antibodies

Keywords

  • Anhidrosis
  • Autoimmune autonomic ganglionopathy
  • Post-ganglionic
  • Preganglionic
  • Sudomotor function

ASJC Scopus subject areas

  • Clinical Neurology
  • Endocrine and Autonomic Systems

Cite this

Sudomotor dysfunction in autoimmune autonomic ganglionopathy : A follow-up study. / Kimpinski, Kurt; Iodice, Valeria; Sandroni, Paola; Fealey, Robert D.; Vernino, Steven; Low, Phillip Anson.

In: Clinical Autonomic Research, Vol. 22, No. 3, 06.2012, p. 131-136.

Research output: Contribution to journalArticle

Kimpinski, Kurt ; Iodice, Valeria ; Sandroni, Paola ; Fealey, Robert D. ; Vernino, Steven ; Low, Phillip Anson. / Sudomotor dysfunction in autoimmune autonomic ganglionopathy : A follow-up study. In: Clinical Autonomic Research. 2012 ; Vol. 22, No. 3. pp. 131-136.
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