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Home / Equine Research Bank / Can Vet J / The effect of perineural anesthesia on infrared thermographi...
The Canadian veterinary journal = La revue veterinaire canadienne2003; 44(5); 392-396;

The effect of perineural anesthesia on infrared thermographic images of the forelimb digits of normal horses.

Abstract: Infrared thermography is an imaging modality gaining popularity as a diagnostic aid in the evaluation of equine lameness. Anecdotal reports of skin hyperthermia induced by local anesthesia, detected by thermography, have been made; however, no controlled studies have been reported. The purpose of this study was to examine the effects of perineural anesthesia on infrared thermographic images of the forelimb digits in normal horses. After environmental acclimation, infrared thermographs were made at intervals of 0, 5, 10, 15, 30, and 45 min from administration of mepivacaine hydrochloride or phosphate buffered saline in 6 adult horses with no clinical evidence of abnormality of the forelimb digits. The mean limb surface temperatures were compared by 2-factor ANOVA. Results indicated no significant difference between treatments, time after injection, or an interaction of time and treatment. Infrared thermographic imaging apparently can be performed within 45 min of perineural mepivacaine hydrochloride anesthesia without risk of artifactual changes in limb surface temperature.
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Publication Date: 2003-05-22 PubMed ID: 12757130PubMed Central: PMC340147
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Summary

This research summary has been generated with artificial intelligence and may contain errors and omissions. Refer to the original study to confirm details provided. Submit correction.

The research study focused on using infrared thermographic imaging to understand the impact of perineural anesthesia on the forelimb digits of horses. The findings showed that there wasn’t any significant change in limb surface temperature even after administering anesthesia.

Objective of the Research

  • The aim of the study was to understand the effects of perineural anesthesia on infrared thermographic images of the forelimb digits in normal, clinically healthy horses. The researchers wanted to evaluate whether perineural anesthesia, using mepivacaine hydrochloride, would cause significant changes in the limb surface temperatures.

Research Methodology

  • The study used infrared thermography, an imaging technique that is increasingly used to identify equine lameness.
  • Six adult horses without any known abnormalities of the forelimb digits were used for the study.
  • The horses were acclimatized to their environment before the imaging was done.
  • Thermographs or thermal images were captured at intervals of 0, 5, 10, 15, 30, and 45 minutes post the administration of either mepivacaine hydrochloride, an anesthetic, or phosphate buffered saline, used as a control.

Analysis and Findings

  • The researchers used two-factor ANOVA to compare the mean surface temperature of the limbs.
  • The results from the study showed no significant difference in limb surface temperature based on the treatment administered, time after the injection, or an interaction between time and treatment.
  • This suggested that the use of infrared thermographic imaging can be performed within 45 minutes of administering perineural mepivacaine hydrochloride anesthesia.
  • Furthermore, using such imaging techniques for diagnostic purposes will not show artifactual changes in the limb surface temperature, thereby maintaining the integrity of the diagnosis.

Cite This Article

APA
Holmes LC, Gaughan EM, Gorondy DA, Hogge S, Spire MF. (2003). The effect of perineural anesthesia on infrared thermographic images of the forelimb digits of normal horses. Can Vet J, 44(5), 392-396.

Publication

The Canadian veterinary journal = La revue veterinaire canadienne
ISSN: 0008-5286
NlmUniqueID: 0004653
Country: Canada
Language: English
Volume: 44
Issue: 5
Pages: 392-396

Researcher Affiliations

Holmes, Layne C
  • Department of Clinical Sciences, College of Veterinary Medicine, Kansas State University, Manhattan, Kansas 66506, USA. lholmes@vet.ksu.edu
Gaughan, Earl M
    Gorondy, Denise A
      Hogge, Steve
        Spire, Mark F

          MeSH Terms

          • Anesthesia, Local / veterinary
          • Anesthetics, Local / pharmacology
          • Animals
          • Forelimb / physiology
          • Horse Diseases / diagnosis
          • Horses
          • Infrared Rays
          • Lameness, Animal / diagnosis
          • Mepivacaine / pharmacology
          • Skin Temperature / drug effects
          • Thermography / methods
          • Thermography / veterinary

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          Citations

          This article has been cited 4 times.
          1. Lee SH, Cho JH, Kim CH, Lee D. Effect of Rehabilitation in a Dog with Delayed Recovery following TPLO: A Case Report.. Animals (Basel) 2023 Aug 31;13(17).
            doi: 10.3390/ani13172778pubmed: 37685042google scholar: lookup
          2. Whittaker AL, Muns R, Wang D, Martínez-Burnes J, Hernández-Ávalos I, Casas-Alvarado A, Domínguez-Oliva A, Mota-Rojas D. Assessment of Pain and Inflammation in Domestic Animals Using Infrared Thermography: A Narrative Review.. Animals (Basel) 2023 Jun 22;13(13).
            doi: 10.3390/ani13132065pubmed: 37443863google scholar: lookup
          3. Zaha C, Schuszler L, Dascalu R, Nistor P, Florea T, Imre K, Rujescu C, Sicoe B, Igna C. Evaluation of Thermal Changes of the Sole Surface in Horses with Palmar Foot Pain: A Pilot Study.. Biology (Basel) 2023 Mar 10;12(3).
            doi: 10.3390/biology12030423pubmed: 36979115google scholar: lookup
          4. Hildebrandt C, Raschner C, Ammer K. An overview of recent application of medical infrared thermography in sports medicine in Austria.. Sensors (Basel) 2010;10(5):4700-15.
            doi: 10.3390/s100504700pubmed: 22399901google scholar: lookup
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