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Home / Equine Research Bank / J Vet Intern Med / Tracheobronchoscopic Assessment of Exercise-Induced Pulmonar...
Journal of veterinary internal medicine2016; 30(4); 1327-1332; doi: 10.1111/jvim.13959

Tracheobronchoscopic Assessment of Exercise-Induced Pulmonary Hemorrhage and Airway Inflammation in Barrel Racing Horses.

Abstract: Poor performance is often suspected to be associated with EIPH in barrel racing horses; however, there are no published reports of EIPH for this discipline. The prevalence of EIPH in barrel racing horses is also unknown. Objective: This study was performed to determine the prevalence of EIPH and signs of airway inflammation in barrel racing horses under normal racing conditions in Alberta. Methods: About 170 barrel racing horses. Methods: Observational cross-sectional study. Tracheobronchoscopic examinations were performed at least 30 minutes postrace. Video recordings were scored off-site independently by two observers for EIPH and tracheal mucus accumulation (TMA). Horses with an EIPH score ≥2 were not assessed for TMA. Interobserver agreement was calculated by weighted κ statistics. Run times, environmental variables, and clinical information were also recorded for analysis. Results: 77/170 (45.3%) of horses examined showed evidence of EIPH (grade ≥ 1). Interobserver agreement was 0.94. 140/141 (99.3%) of horses assessed for TMA showed evidence of tracheal mucus accumulation (grade ≥ 1) with 104/141 (73.8%) having a TMA score ≥ 2. Interobserver agreement was 0.73. A weak positive association was found between EIPH scores and average run speed, the presence of cough at rest reported by the riders, increased recovery time, exercise intolerance, and outdoor pattern. Conclusions: The high prevalence of EIPH observed in the sampled population indicates that barrel racing induces substantial stress on the lungs. The presence of EIPH did not impact negatively on performance. Factors such as environmental dust and frequent traveling might have contributed to the high prevalence of TMA observed.
Copyright © 2016 The Authors. Journal of Veterinary Internal Medicine published by Wiley Periodicals, Inc. on behalf of the American College of Veterinary Internal Medicine.
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Publication Date: 2016-06-08 PubMed ID: 27278854PubMed Central: PMC5089608DOI: 10.1111/jvim.13959Google Scholar: Lookup
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  • Journal Article
  • Observational Study

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.

This research aims to study the prevalence and impact of Exercise-Induced Pulmonary Hemorrhage (EIPH) and airway inflammation on the performance of barrel racing horses in Alberta. The findings reveal a high incidence of such conditions, although they do not appear to negatively affect performance.

Introduction

  • The purpose of this study is to ascertain the prevalence of Exercise-Induced Pulmonary Hemorrhage (EIPH) and signs of airway inflammation in barrel racing horses under normal racing conditions in Alberta. A lack of published information on EIPH for barrel racing horses led to this study.
  • EIPH is often suspected to be associated with poor performance in barrel racing horses. But, there are no published reports to verify this in this specific discipline.

Methodology

  • A total of 170 barrel racing horses participated in an observational cross-sectional study, with tracheobronchoscopic examinations carried out at least 30 minutes post-race.
  • Video recordings of these examinations were scored independently by two observers for EIPH and tracheal mucus accumulation (TMA). If a horse had an EIPH score ≥2, it was not assessed for TMA.
  • Run times, environmental variables, and clinical data were also collected for analysis.
  • The agreement between the two independent observers was measured using weighted κ statistics.

Results

  • From the total samples, 45.3% of horses demonstrated evidence of EIPH (grade ≥ 1).
  • The interobserver agreement for EIPH was rated high, with a score of 0.94.
  • Almost all horses (99.3%) assessed for TMA showed evidence of tracheal mucus accumulation (grade ≥ 1), with 73.8% having a TMA score ≥ 2.
  • The interobserver agreement for TMA was lower than EIPH, with a rating of 0.73.
  • A weak positive association was found between EIPH scores and factors such as average run speed, the presence of cough at rest reported by the riders, increased recovery time, exercise intolerance, and outdoor pattern.

Conclusions

  • The data revealed a high prevalence of EIPH in the sample population, indicating that barrel racing may impose significant stress on the lungs. However, the presence of EIPH did not seem to negatively affect performance.
  • Factors such as environmental dust and frequent traveling may have contributed to the high prevalence of TMA observed during the study.

Cite This Article

APA
Léguillette R, Steinmann M, Bond SL, Stanton B. (2016). Tracheobronchoscopic Assessment of Exercise-Induced Pulmonary Hemorrhage and Airway Inflammation in Barrel Racing Horses. J Vet Intern Med, 30(4), 1327-1332. https://doi.org/10.1111/jvim.13959

Publication

Journal of veterinary internal medicine
ISSN: 1939-1676
NlmUniqueID: 8708660
Country: United States
Language: English
Volume: 30
Issue: 4
Pages: 1327-1332

Researcher Affiliations

Léguillette, R
  • Faculty of Veterinary Medicine, Department of Veterinary Clinical and Diagnostic Services, University of Calgary, Calgary, AB, T2N 4N1, Canada.
  • Moore Equine Veterinary Centre, 260048A Writing Creek Cres, Rocky View County, AB, T4A 0M9, Canada.
Steinmann, M
  • Faculty of Veterinary Medicine, Department of Veterinary Clinical and Diagnostic Services, University of Calgary, Calgary, AB, T2N 4N1, Canada.
Bond, S L
  • Faculty of Veterinary Medicine, Department of Veterinary Clinical and Diagnostic Services, University of Calgary, Calgary, AB, T2N 4N1, Canada.
Stanton, B
  • Faculty of Veterinary Medicine, Department of Veterinary Clinical and Diagnostic Services, University of Calgary, Calgary, AB, T2N 4N1, Canada.
  • Moore Equine Veterinary Centre, 260048A Writing Creek Cres, Rocky View County, AB, T4A 0M9, Canada.

MeSH Terms

  • Animals
  • Bronchoscopy / veterinary
  • Cross-Sectional Studies
  • Female
  • Hemorrhage / diagnosis
  • Hemorrhage / etiology
  • Hemorrhage / veterinary
  • Horse Diseases / diagnosis
  • Horse Diseases / pathology
  • Horses
  • Inflammation / diagnosis
  • Inflammation / etiology
  • Inflammation / veterinary
  • Lung Diseases / diagnosis
  • Lung Diseases / etiology
  • Lung Diseases / veterinary
  • Male
  • Physical Conditioning, Animal

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