Metalloproteinases and Their Tissue Inhibitors in Comparison between Different Chronic Pneumopathies in the Horse

Table 3

Results of endoscopic examination. shows significant increase to controls at . RAO: recurrent airway obstruction, IAD: inflammatory airway disease, and CIP: chronic interstitial pneumopathy.

	Amount of secretions	Viscosity of secretions	Tracheal bifurcation
Controls ()	0.47 ± 0.64	0.4 ± 0.51	0.25 ± 0.45
RAO ()	3.5 ± 0.63	3.88 ± 0.5	1.36 ± 1
IAD ()	2 ± 1.33	2.33 ± 1.4	1.33 ± 0.82
CIP ()	2 ± 1.2	1.8 ± 1.2	1.56 ± 0.88