eMedicine Specialties > Otolaryngology and Facial Plastic Surgery > Nasal & Sinus Diseases
Sinusitis, Acute, Medical Treatment: Follow-up
Updated: Jan 23, 2008
Follow-up
Complications
- Local complications
- Mucoceles are chronic epithelial cysts that develop in sinuses in the presence of either an obstructed sinus ostium or minor salivary gland duct. They have the potential for progressive concentric expansion that can lead to bony erosion and extension beyond the sinus.
- Maxillary sinus mucoceles are usually found incidentally on sinus radiographs and are of little significance in the absence of symptomatology or infection. Surgical treatment is not usually necessary, and these lesions often regress spontaneously over time.
- Frontoethmoidal and sphenoethmoidal mucoceles, on the other hand, tend to be symptomatic and have a high potential for bony erosion. Frontoethmoidal mucoceles should be completely removed and the sinus obliterated. Sphenoethmoid mucoceles should be widely opened into the nasal cavity.
- Osteomyelitis is a potential local complication most commonly occurring with frontal sinusitis. Osteomyelitis of the frontal bone is called a Pott puffy tumor and represents a subperiosteal abscess with local edema anterior to the frontal sinus. This can advance to form a fistula to the upper lid with sequestration of necrotic bone. This rare complication should be managed with a combination of systemic antibiotics, surgical drainage of affected sinuses, and debridement of necrotic bone.
- Orbital complications
- Orbital complications are the most common complications encountered with acute bacterial sinusitis. Infection can spread directly through the thin bone separating the ethmoid or frontal sinuses from the orbit or by thrombophlebitis of the ethmoid veins. Diagnosis should be based on an accurate physical examination including ophthalmological evaluation and appropriate radiological studies. CT scanning is the most sensitive means of diagnosing an orbital abscess, although ultrasound has been found to be 90% effective for diagnosing anterior abscesses.6 The classification by Chandler, which is based on physical examination findings, provides a reasonable framework to guide management. This classification consists of 5 groups of orbital inflammation:7
- Group 1 - Inflammatory edema (preseptal cellulitis) with normal visual acuity and extraocular movement
- Group 2 - Orbital cellulitis with diffuse orbital edema but no discrete abscess
- Group 3 - Subperiosteal abscess beneath the periosteum of the lamina papyracea resulting in downward and lateral globe displacement
- Group 4 - Orbital abscess with chemosis, ophthalmoplegia, and decreased visual acuity
- Group 5 - Cavernous sinus thrombosis with rapidly progressive bilateral chemosis, ophthalmoplegia, retinal engorgement, and loss of visual acuity; possible meningeal signs and high fever
- Medical management, including sinus drainage and intravenous antibiotics, is advocated for any degree of orbital complication. The use of decongestant and antibiotic therapy is discussed in the Medical Care and Medication sections.
- Among the classifications by Chandler, surgical drainage of both the infected sinuses and the orbit are advocated for groups 3-5 if inadequate improvement or progression of orbital cellulitis occurs despite medical therapy or if the patient has loss of visual acuity. Surgical procedures are discussed in Surgical Care.
- Intracranial complications: Intracranial complications may occur as a result of direct extension through the posterior frontal sinus wall or through retrograde thrombophlebitis of the ophthalmic veins. Subdural abscess is the most common intracranial complication, although cerebral abscesses and infarction that result in seizures, focal neurological deficits, and coma may occur. Intracranial complications of sinusitis should be managed surgically with drainage of both the affected sinus and the cranial abscess.
- Systemic complications: Sinusitis can result in sepsis and multisystem organ failure caused by seeding of the blood and various organ systems. Reports of bacteremia, thoracic empyema, and nosocomial pneumonia have been documented in the intensive-care population with acute sinusitis, and the mortality rate in this group can be as high as 11%.
Patient Education
- For excellent patient education resources, visit eMedicine's Headache Center. Also, see eMedicine's patient education article Sinus Infection.
More on Sinusitis, Acute, Medical Treatment |
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| Treatment & Medication: Sinusitis, Acute, Medical Treatment |
Follow-up: Sinusitis, Acute, Medical Treatment |
| References |
| « Previous Page |
References
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Further Reading
Keywords
medical treatment for acute sinusitis, sinus infection, cold, runny nose, sinus headache, acute sinusitis, infection of the sinuses, recurrent acute sinusitis, subacute sinusitis, paranasal sinuses, chronic sinusitis
Follow-up: Sinusitis, Acute, Medical Treatment