The effects of chiropractic, massage and phenylbutazone on spinal mechanical nociceptive thresholds in horses without clinical signs

K. A. Sullivan, Ashley E Hill, K. K. Haussler

Research output: Contribution to journalArticle

47 Scopus citations

Abstract

Reasons for performing study: Common methods used to treat back problems in horses need to be assessed objectively. Objectives: To measure spinal mechanical nociceptive thresholds (MNTs) and evaluate the effects of chiropractic, massage and phenylbutazone, compared with active and inactive control groups. Methods: Baseline MNTs at 7 sites within the thoracolumbar and sacral regions were measured in 38 healthy mature horses exhibiting no clinical signs of lumbar pain. Horses were assigned to one of 3 treatment groups: instrument-assisted chiropractic treatment, therapeutic massage and phenylbutazone; or 2 control groups: ridden exercise (active control) or routine paddock turnout with no ridden exercise (inactive control). MNT measurements were repeated at 1, 3 and 7 days post treatment. The percentage change from baseline MNT values was calculated within groups. Results: On Day 7, the median MNT had increased by 27, 12 and 8% in the chiropractic, massage and phenylbutazone groups, respectively. MNT changes of <1% were seen within the active and inactive control groups. Conclusions: Chiropractic treatment and massage therapy increased spinal MNTs within horses not exhibiting signs of lumbar pain. Potential relevance: Pressure algometry provides an objective tool to evaluate the effects of commonly used, but currently unproven treatment modalities on spinal MNTs. Future studies need to evaluate combined treatment effects and longer-term MNT changes in horses with documented back pain.

Original languageEnglish (US)
Pages (from-to)14-20
Number of pages7
JournalEquine Veterinary Journal
Volume40
Issue number1
DOIs
StatePublished - Jan 2008
Externally publishedYes

Keywords

  • Chiropractic
  • Horse
  • Massage
  • Mechanical nociceptive thresholds
  • Phenylbutazone
  • Pressure algometry

ASJC Scopus subject areas

  • veterinary(all)

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