− | Some diseases predispose animals to secondary pulmonary hypertension. Predisposed breeds include brachycephalic dogs (chronic obstructive pulmonary disease); small breeds ([[Mitral Valve Dysplasia|mitral endocardiosis]]) and West Highland White Terriers (pulmonary fibrosis). | + | Some diseases predispose animals to secondary pulmonary hypertension. Predisposed breeds include brachycephalic dogs (chronic obstructive pulmonary disease); small breeds ([[Degenerative Mitral Valve Disease|mitral endocardiosis]]) and West Highland White Terriers (pulmonary fibrosis). |