Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
4
pubmed:dateCreated
2002-7-15
pubmed:abstractText
To evaluate inhaled hay dust suspensions (HDS) as a tool for the diagnosis and investigation of heaves, the pulmonary inflammatory and functional consequences of inhalation challenge with 3 different HDS were determined in 6 control and 7 asymptomatic heaves horses. Heaves horses given HDS challenge developed the characteristic features of heaves, including airway neutrophilia, obstructive airway dysfunction and mucus hypersecretion. While HDS challenge induced a mild airway neutrophilia in controls, the no-response threshold for controls was greater than that of heaves horses, and there was no overlap in BALF neutrophil ratio of controls and heaves horses. Furthermore, HDS challenge did not induce airway dysfunction or mucus hypersecretion in controls. Therefore, HDS challenges enabled differentiation of control and heaves horses. Interestingly, in both groups, the airway neutrophilia was a dose-dependent response rather than an 'all or nothing' response. This study suggests that HDS challenges are of value in the diagnosis and investigation of heaves.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Jul
pubmed:issn
0425-1644
pubmed:author
pubmed:issnType
Print
pubmed:volume
34
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
337-42
pubmed:dateRevised
2006-11-15
pubmed:meshHeading
pubmed-meshheading:12117104-Animals, pubmed-meshheading:12117104-Bronchoalveolar Lavage Fluid, pubmed-meshheading:12117104-Case-Control Studies, pubmed-meshheading:12117104-Diagnosis, Differential, pubmed-meshheading:12117104-Dose-Response Relationship, Immunologic, pubmed-meshheading:12117104-Dust, pubmed-meshheading:12117104-Female, pubmed-meshheading:12117104-Horse Diseases, pubmed-meshheading:12117104-Horses, pubmed-meshheading:12117104-Housing, Animal, pubmed-meshheading:12117104-Inhalation Exposure, pubmed-meshheading:12117104-Leukocyte Count, pubmed-meshheading:12117104-Male, pubmed-meshheading:12117104-Nebulizers and Vaporizers, pubmed-meshheading:12117104-Neutrophils, pubmed-meshheading:12117104-Poaceae, pubmed-meshheading:12117104-Pulmonary Disease, Chronic Obstructive, pubmed-meshheading:12117104-Reproducibility of Results, pubmed-meshheading:12117104-Respiratory Function Tests, pubmed-meshheading:12117104-Suspensions, pubmed-meshheading:12117104-Time Factors
pubmed:year
2002
pubmed:articleTitle
Evaluation of nebulised hay dust suspensions (HDS) for the diagnosis and investigation of heaves. 2: Effects of inhaled HDS on control and heaves horses.
pubmed:affiliation
Wellcome Trust Centre for Research in Comparative Respiratory Medicine, Easter Bush Veterinary Centre, Roslin, Midlothian, UK.
pubmed:publicationType
Journal Article, Research Support, Non-U.S. Gov't, Evaluation Studies