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16 Φεβ 2023 · Horses with an upper airway bacterial infection can develop primary sinusitis when the bacteria invade the sinus, inflaming the mucosa and impairing mucociliary function. This makes sinus drainage difficult, and leads to an accumulation of mucus and bacteria in the sinus, becoming the perfect environment for bacterial proliferation.
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 · 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.
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.
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 · Since there was no evidence of an orosinusoidal fistula or another underlying disease on presentation, this horse was routinely treated for sinusitis, which as previously mentioned, typically relies on antimicrobial therapy and copious lavage of the affected sinus(es) (3,9).
