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inflammation of the membrane lining a sinus, esp a nasal sinus



an inflammation of the paranasal sinuses in man and animals. In humans, acute sinusitis usually arises as a complication of influenza, acute respiratory diseases, or other infectious diseases; chronic sinusitis develops from acute sinusitis that has not been completely cured.

The general symptoms of acute sinusitis include elevated body temperature, headache, abundant nasal discharge, and difficulty in breathing through the nose, most often on one side. With chronic sinusitis, there is usually no increase in body temperature and the other symptoms are less pronounced. Localization of the process determines the symptoms. Sinusitis may be catarrhal or purulent, depending on the type of inflammation. With chronic sinusitis, proliferations of the mucosa (polyps) often form in the paranasal sinuses and the nasal cavity.

Several different forms of sinusitis are distinguished, depending on which sinus is affected. The most common form is maxillary sinusitis, which is an inflammation of the maxillary sinus. With frontal sinusitis, the frontal sinus becomes inflamed; with ethmoid sinusitis, the ethmoidal labyrinth; and with sphenoid sinusitis, the sphenoidal sinus. Sometimes the inflammatory process spreads to all the paranasal sinuses on one or both sides (pansinusitis). Treatment includes the use of medicinal agents, the administration of heat (hot-water bag, compress), and physical therapy. Sometimes surgical treatment is indicated. Prophylaxis includes the timely treatment of the cause of the disease. [23–1294–]


Inflammation of a paranasal sinus.
References in periodicals archive ?
Forty-eight patients with acute bacterial rhinosinusitis participated in the trial; 24 were allocated to the experimental group to receive ultrasound and 24 to the control group to receive antibiotics.
Despite rapid and clinically significant reductions in facial pain and congestion in both groups, there was little or no difference between the effect of therapeutic ultrasound and antibiotics on pain and congestion in acute bacterial rhinosinusitis in the short-term, although a trend for a faster effect for ultrasound was indicated by a larger decrease in pain around the nose by Day 4.
Preventing Urns is the best way to prevent acute bacterial rhinosinusitis.
The current evidence does not justify the use of the newer antibiotics for treating uncomplicated, community-acquired acute bacterial rhinosinusitis," the report says.
S pneumoniae and H influenzae also are frequent causes of acute bacterial rhinosinusitis.
The recommendations for management of acute bacterial rhinosinusitis issued by the Sinus and Allergy Health Partnership (SAHP), a not-for-profit organization created by the American Academy of Otolaryngic Allergy, the American Academy of Otolaryngology-Head and Neck Surgery, and the American Rhinologic Society, are based on a variety of factors.
9% sodium chloride solutions on mucociliary clearance in Me therapy of acute bacterial rhinosinusitis in vivo.
No combination of clinical findings can reliably distinguish acute viral rhinosinusitis from acute bacterial rhinosinusitis in primary care.
Abnormalities visible on the CT scan persisted in 20% of patients at 2 weeks, yet epidemiological studies have shown that acute bacterial rhinosinusitis develops in only 0.
Evidence report/technology assessment: Diagnosis and treatment of acute bacterial rhinosinusitis.

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