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16 Φεβ 2023 · 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.
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.
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.
24 Αυγ 2022 · Primary sinusitis involves a viral or bacterial infection and is usually caused by an upper respiratory tract infection of the paranasal sinuses. It can occur in horses of any age. Secondary sinusitis is more common and is typically seen in horses over four years of age.
Equine paranasal sinusitis is an infection of the horse's perinasal sinus cavities. Horses have 7 bilaterally paired sinuses that all drain into the nasal cavity through an opening into the nasal passage. Symptoms. Unilateral or bilateral, malodorous to purulent nasal discharge. Facial swelling or asymmetry. Increased respiratory rate.
5 Μαΐ 2023 · Causes of Sinusitis in Horses. Sinusitis can be primary or secondary. Primary sinusitis is an infection (usually bacterial) within the sinus, which results in a buildup of pus. Secondary sinusitis is more common, and is the result of another primary issue, such as a dental infection or cyst.
15 Οκτ 2024 · Topical antimicrobial therapy in the management of chronic sinusitis in horses is much less common than systemic treatment; however, it may be warranted in cases that are non-responsive to conventional therapy .
