sinusitis

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Related to Acute sinusitis: Chronic sinusitis

sinusitis

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

Sinusitis

 

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–]

sinusitis

[‚sī·nə′sīd·əs]
(medicine)
Inflammation of a paranasal sinus.
References in periodicals archive ?
If you have frequent episodes of sinusitis, you may actually have chronic sinusitis, rather than bouts of acute sinusitis. The causes may still be the same.
A 10-day course of treatment is typically recommended for cases of acute sinusitis, but treatment durations may vary.
Purulent rhinorrhoea, nasal congestion and facial pain or pressure are highly predictive of acute sinusitis, but the distinction between AVRS and ABRS is often difficult.
Many patients with acute sinusitis get better with over-the-counter pain and fever medicines, oral or nasal decongestants (used for no more than three days), steroid sprays, or nasal irrigation with saline.
The common cold is the main cause of acute sinusitis, which is characterized by inflammation of the nasal cavities, blocked nasal passages and sometimes headaches and facial pain.
Possible findings in acute sinusitis include mucosal thickening, air-fluid levels, and partial or complete opacification of the involved sinus7,8.
In 2010, the National Institute for Health and Clinical Excellence (NICE) guidelines endorsed this policy and recommended either delayed or no prescribing for five common diagnoses; acute otitis media, acute sore throat, acute cough/bronchitis, acute sinusitis and common cold.
According to clinical practice guidelines from the American College of Physicians, most cases of acute sinusitis in the outpatient setting are the result of uncomplicated viral infection, so sinus radiography and antibiotic therapy are usually unnecessary.
Lindbaek M (2004) Acute sinusitis: guide to selection of antibacterial therapy.
Antibiotics have little if any positive effects on the severity and duration of symptoms of acute sinusitis, and they cause adverse effects and create unnecessary expense.
The guideline outlines a suggested process for assessing pediatric and adult patients for acute sinusitis, acute bronchitis, acute pharyngitis and acute otitis media and summarizes appropriate treatment for these conditions.
The study is important because 92% of patients with acute sinusitis in Britain and 85-98% in the US receive antibiotics.

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