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16 Φεβ 2023 · What is the origin and pathology of equine sinusitis? Equine sinusitis can have a primary or secondary origin. Horses with an upper airway bacterial infection can develop primary sinusitis when the bacteria invade the sinus, inflaming the mucosa and impairing mucociliary function.
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.
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.
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 .
15 Οκτ 2024 · Causes of secondary sinusitis include dental disease, facial trauma, maxillary cysts, ethmoid hematomas, sinonasal neoplasia, and post-operative complication of tooth repulsion surgery (3,4). 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 ...
17 Μαΐ 2011 · Such refractory cases require further clinical examinations and imaging as outlined in a companion article to achieve confirmation of the cause of the sinusitis. Many sinusitis cases will then require some form of surgical treatment that may include sinusotomy, dental extraction or intrasinus growth removal, that are increasingly being ...
22 Φεβ 2011 · Equine sinusitis can have a variety of causes, including primary sinusitis following upper respiratory tract infections, and secondary sinusitis caused by dental infections, intrasinus benign and malignant growths and head trauma.
