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inflammation of the membrane lining a sinus, esp a nasal sinus
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.



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–]

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.


Inflammation of a paranasal sinus.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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.
"The current evidence does not justify the use of the newer antibiotics for treating uncomplicated, community-acquired acute bacterial rhinosinusitis," the report says.
Staphylococcus aureus is a major pathogen in acute bacterial rhinosinusitis: a meta-analysis.
(9,10) A recent consensus conference coordinated by the Primary Care Education Consortium and Texas Academy of Family Physicians elaborated on this mnemonic as it relates to outpatient management of 3 CARTIs: community-acquired pneumonia, acute bacterial exacerbations of chronic bronchitis, and acute bacterial rhinosinusitis. Its recommendations, which have been drawn largely from existing evidence-based guidelines, form the basis for this review.
The effects of topical agents of fluticasone propionate, oxymetazoline, and 3% and 0.9% 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.
Evidence report/technology assessment: Diagnosis and treatment of acute bacterial rhinosinusitis. AHCPR Publ.

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