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Sinus diseases usually cause unilateral nasal discharge (purulent, bloody, or malodorous). Facial deformity and/or dyspnea can also be associated with sinus cysts or neoplasms. Treatment is directed toward the primary cause, but secondary sinusitis also usually requires specific therapy with drainage, antimicrobials and lavage.
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16 Φεβ 2023 · The most common causes of secondary sinusitis described in horses are mycotic sinusitis, sinus cyst, progressive ethmoidal haematoma, traumatic sinusitis, oro-maxillary fistula formation, sinus neoplasia or dental sinusitis, which is the most common (O’Leary and Dixon, 2011).
Signs & Symptoms. The most common sign of sinusitis (either primary or secondary) is nasal discharge. The nasal discharge usually occurs on the side of the affected sinus (unilateral) only (Figure 1). The appearance and character of the discharge is variable, and may contain pus or blood, with or without an odor.
24 Αυγ 2022 · Sinusitis is an inflammatory condition that often involves excessive nasal discharge. Horses with sinus diseases can also experience swelling in the face or reduced appetite. The causes of sinusitis vary but can include dental disease or bacterial infection of the upper respiratory tract.
15 Οκτ 2024 · Paranasal sinusitis, especially cases of secondary or chronic disease, can be difficult to treat, as it depends on the cause of the disease, as well as the bacteria involved . The most common bacterial isolates in cases of primary sinusitis are Streptococcus equi and Streptococcus zooepidemicus ( 5 , 6 ), whereas culture of secondary sinusitis ...
17 Μαΐ 2011 · Summary. Treatment of the different types of equine sinusitis, in particular those of chronic (>2 months' duration) sinusitis can be difficult, with many such cases not responding to more conservative measures such as rest, antibiotic therapy or sinus lavage.
Inflammation and swelling in the nasal mucosa from a viral or bacterial infection could obstruct the nasomaxillary opening, block sinus drainage, and thereby predispose to or exacerbate sinusitis. Occlusion of the nasomaxillary aperture has been reported as a cause of sinusitis in young horses .
