Influence of bronchoalveolar lavage on thoracic radiography in the horse

Journal of Veterinary Science
Ann Kristin BartonHeidrun Gehlen

Abstract

Bronchoalveolar lavage (BAL) and thoracic radiography are routinely performed diagnostic procedures. We hypothesized that BAL increases the interstitial opacity of caudoventral and caudodorsal thoracic radiographs. Fifty-three horses, including 8 clinic owned and 45 from a referral hospital population, were classified as healthy controls (n = 12), severe equine asthma (recurrent airway obstruction, n = 12) or mild-to-moderate equine asthma (inflammatory airway disease, n = 21) based on the results of a clinical scoring system. Eight were excluded due to different diagnoses and poor image quality. Four randomized thoracic radiographs of each horse were scored by two blinded observers, who were also asked to identify the image as obtained before or after a BAL procedure. In severe equine asthma, the chance (adjusted odds) of misinterpretation of the correct imaging time was approximately 5 times higher than in controls (odds ratio [OR] = 5.373, p = 0.028). The chance of misinterpretation was approximately 4 times lower in caudodorsal images than in caudoventral projections (OR = 0.241, p = 0.004). Identification of the correct imaging time was highly correlated with an increase in interstitial opacity (OR = 9.976, p < 0.0001). In...Continue Reading

References

Apr 1, 1991·The Veterinary Clinics of North America. Equine Practice·C R Sweeney
Apr 1, 1967·Annals of Internal Medicine·T N FinleyA J Ladman
May 16, 2003·The Veterinary Clinics of North America. Equine Practice·Renaud Léguillette
Nov 22, 2005·Equine Veterinary Journal·M R MazanA M Hoffman
Nov 3, 2006·American Journal of Veterinary Research·Renaud Léguillette, Jean-Pierre Lavoie
May 24, 2008·Journal of Veterinary Internal Medicine·H GehlenP Stadler
Jun 2, 2011·American Journal of Veterinary Research·Daniel JeanJean-Pierre Lavoie
May 15, 2013·Equine Veterinary Journal·K KoblingerR Léguillette

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Citations

Feb 15, 2019·Bio-protocol·Steven D CothrenJessica H Hartman

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Methods Mentioned

BETA
bronchoalveolar lavage
X-Ray
sedation

Software Mentioned

SPSS
MS Excel

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