Evaluation of pressure threshold prior to foot ulceration: One- versus two-point static touch

Mitchell A. Barber, Janice Conolley, Cecily M. Spaulding, A. Lee Dellon

Research output: Contribution to journalReview articlepeer-review

Abstract

A prospective study of 29 patients with diabetic neuropathy and 47 non-diabetic patients with tarsal tunnel syndrome were evaluated with computer-assisted neurosensory testing at three sites on the foot. The sensitivity and specificity of one-point static touch thresholds for identifying the presence of large fiber axonal loss was done using the calculated thresholds for monofilaments derived from their markings. The sensitivity for one-point static touch in identifying axonal loss was 33% for the 5.07, 38% for the 4.93, 50% for the 4.17, and 60% for the 4.08 monofilament-equivalent, with a specificity of 100% at each level. Therefore, one-point static touch testing, even using monofilaments thinner than 5.07, has a high percentage of false-negative results in identifying patients with axonal loss.

Original languageEnglish (US)
Pages (from-to)508-514
Number of pages7
JournalJournal of the American Podiatric Medical Association
Volume91
Issue number10
DOIs
StatePublished - 2001

ASJC Scopus subject areas

  • Podiatry
  • Orthopedics and Sports Medicine

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