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Wednesday, November 11, 2009
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Surgery

Surgery


Surgery is used to unblock the sinuses when drug therapy is not effective or if there are other complications, such as structural abnormalities or fungal sinusitis.

Insertion of a Drainage Tube

The simplest surgical approach is the insertion of a drainage tube into the sinuses followed by an infusion of sterile water to flush them out.

Functional Endoscopic Sinus Surgery

In the past few years there has been a major advance in the surgical treatment with a minimally invasive technique called functional endoscopic sinus surgery (FESS). The procedure allows correction of obstructions, including any polyp and ventilation and drainage to aid healing.

Candidates for the Procedure.

  • FESS may be a good choice for people with chronic sinusitis associated with structural abnormalities. In one study, the best results were seen in people with polyps (but not those associated with ASA triad, the combination of polyps in the nose, asthma, and sensitivity to aspirin).
  • Several studies are finding it to be safe and effective in children with chronic sinusitis or whose sinuses have not developed. It does not have an adverse effect on facial growth.
  • Surgery may help HIV patients with chronic or recurrent sinusitis.
  • It may benefit appropriate candidates who have both sinusitis and asthma. One study suggested that lung function may improve afterward in some patients.

Surgery may not be as effective for patients with the ASA triad, fungus infections, or severe chronic sinusitis, although endoscopy is proving to be beneficial even for these conditions with the use of more powerful instruments.

Procedure. The surgery generally proceeds as follows:

  • Adults require only a local anesthetic for the procedure, though a general anesthetic is needed for children.
  • Before the procedure, a computed tomography (CT) scan is taken for use by the surgeon in planning the procedure and as a guide to the sinuses during surgery. Some doctors are now using a device called a depth of field image (DOFI) video enhancement screen that displays a holographic 3-D image. It allows the surgeon an excellent view of the sinus cavities and may prove to significantly reduce complications.
  • A flexible tube, a miniature camera, and a fiberoptic light source are inserted through a single small opening.
  • Instruments are then used to remove diseased bone or tissue and clear obstructions. For instance, shavers are used to gently remove soft tissue. Bone cutters are sometimes employed to open the floor of the frontal sinus and restore drainage (called the modified Lothrop procedure). Lasers are also being investigated to remove bone, coagulate the passageways, or clear obstructions.
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Review Date: 03/03/2006
Reviewed By: Harvey Simon, MD, Editor-in-Chief, Associate Professor of Medicine, Harvard Medical School; Physician, Massachusetts General Hospital

A.D.A.M., Inc. is accredited by URAC, also known as the American Accreditation HealthCare Commission (www.urac.org).
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