Characterization of non-length-dependent small-fiber sensory neuropathy

Sara Khan, Zhou Lan

Research output: Contribution to journalArticle

41 Citations (Scopus)

Abstract

Introduction: Non-length-dependent small-fiber sensory neuropathy (NLD-SFSN) is not as well characterized as length-dependent small-fiber sensory neuropathy (LDSFSN). Methods: Sixty-three patients with NLD-SFSN were compared with 175 patients with LD-SFSN for their demographics and disease associations. Results: Age was younger in those with NLD-SFSN (45.5 ± 13.1 years) than in those with LD-SFSN (55.1 ± 11.4 years, P < 0.001). Forty-six of 63 (73.0%) patients were women in the NLD-SFSN group, whereas 84 of 175 (48.0%) were women in the LD-SFSN group (P < 0.001). Disease associations were identified in 26 of 63 (41.3%) patients with NLD-SFSN, including diabetes or prediabetes in 10 (15.9%), connective tissue diseases in 6 (9.5%), thyroid dysfunction in 4 (6.3%), sarcoidosis in 3 (4.8%), vitamin B12 deficiency in 2 (3.2%), and paraproteinemia in 1 (1.6%). Immune-mediated conditions were present in 9 of 63 (14.3%) patients with NLD-SFSN and 6 of 175 (3.4%) patients with LDSFSN (P =0.012). Conclusions: NLD-SFSN is more common in women, presents at a younger age, and is more likely to be associated with immune-mediated conditions than LD-SFSN.

Original languageEnglish (US)
Pages (from-to)86-91
Number of pages6
JournalMuscle and Nerve
Volume45
Issue number1
DOIs
StatePublished - Jan 1 2012

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Vitamin B 12 Deficiency
Small Fiber Neuropathy
Prediabetic State
Paraproteinemias
Connective Tissue Diseases
Sarcoidosis
Thyroid Gland
Demography

Keywords

  • Demographics
  • Disease associations
  • Length-dependent small-fiber sensory neuropathy
  • Non-length-dependent small-fiber sensory neuropathy
  • Skin biopsy

ASJC Scopus subject areas

  • Physiology
  • Clinical Neurology
  • Cellular and Molecular Neuroscience
  • Physiology (medical)

Cite this

Characterization of non-length-dependent small-fiber sensory neuropathy. / Khan, Sara; Lan, Zhou.

In: Muscle and Nerve, Vol. 45, No. 1, 01.01.2012, p. 86-91.

Research output: Contribution to journalArticle

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abstract = "Introduction: Non-length-dependent small-fiber sensory neuropathy (NLD-SFSN) is not as well characterized as length-dependent small-fiber sensory neuropathy (LDSFSN). Methods: Sixty-three patients with NLD-SFSN were compared with 175 patients with LD-SFSN for their demographics and disease associations. Results: Age was younger in those with NLD-SFSN (45.5 ± 13.1 years) than in those with LD-SFSN (55.1 ± 11.4 years, P < 0.001). Forty-six of 63 (73.0{\%}) patients were women in the NLD-SFSN group, whereas 84 of 175 (48.0{\%}) were women in the LD-SFSN group (P < 0.001). Disease associations were identified in 26 of 63 (41.3{\%}) patients with NLD-SFSN, including diabetes or prediabetes in 10 (15.9{\%}), connective tissue diseases in 6 (9.5{\%}), thyroid dysfunction in 4 (6.3{\%}), sarcoidosis in 3 (4.8{\%}), vitamin B12 deficiency in 2 (3.2{\%}), and paraproteinemia in 1 (1.6{\%}). Immune-mediated conditions were present in 9 of 63 (14.3{\%}) patients with NLD-SFSN and 6 of 175 (3.4{\%}) patients with LDSFSN (P =0.012). Conclusions: NLD-SFSN is more common in women, presents at a younger age, and is more likely to be associated with immune-mediated conditions than LD-SFSN.",
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