Sinusitis is a disease of the paranasal sinuses (PS) of an inflammatory or allergic nature. Most often, inflammation occurs in the maxillary sinus (sinusitis); inflammation of the cells of the ethmoidal labyrinth (ethmoiditis), frontal (frontal sinusitis) and sphenoid (sphenoiditis) sinuses also occurs. However, more often the process spreads not to one, but to several sinuses - polysinusitis occurs, if all paranasal sinuses are involved - pansinusitis.
Acute sinusitis - the most common causes are acute respiratory diseases, viral infections (such as influenza), hypothermia, colds, general bacterial infections, and injuries.
The course of the disease can be aggravated by a curvature of the nasal septum, hypertrophy of the inferior or middle turbinates, impaired immunity, an allergic process, and enlargement of the nasopharyngeal tonsil (adenoid vegetations in children).
Symptoms of acute sinusitis:
Reasons:
A factor that provokes an exacerbation of sinusitis can be a viral infection or hypothermia. In the case of an odontogenic process, the triggering factor can be dental manipulation.
During the rhinogenic process, swelling of the mucous membrane of the nasal cavity and sinuses occurs, disruption of the natural cleansing (drainage) of the paranasal sinuses and stagnation of secretions (mucus). Stagnation of secretions and impaired ventilation are the starting point for the activation of the inflammatory process.
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