Computer Assisted Sinus Surgery/Bi-CASS

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Computer-assisted sinus surgery is a modern, minimally-invasive procedure used to treat sinus disease.

What is acute sinusitis?

Acute sinusitis, also known as also called acute rhinosinusitis, causes the cavities around your nasal passages to become inflamed and swollen. Swelling can cause interference with drainage, a build-up of mucus, and eventually infection.

If this is not dealt with quickly, the lining of the sinuses get inflamed and further obstruct the drainage pathways, resulting in a chronic sinus infection. Polyps usually occur as a result of the chronic infection and add to the sinus and nasal obstruction.

What causes sinusitis?

Viruses, allergens, irritants like smoke, air pollution, solvents dust or drugs such as cocaine can cause sinusitis. Other causes are malformations of the nose such as a deviated septum or physical injuries such as a broken nose.

Why choose computer-assisted sinus surgery?

Computer-assisted sinus surgery is a modern, minimally invasive procedure that avoids external incisions and has helped revolutionize the management of sinus disease. The procedure makes use of an image guidance system that is accurate to within less than 1.0 mm and has the ability to track an instrument in real time within the confines of a surgical field.

Since the sinuses are located in a highly confined area between the eyes and beneath the brain, this technology ensures that complications are avoided and a complete surgery is allowed. This results in a significant improvement in the overall cure rate. The computer-assisted procedure used at Centric Health for revision and primary sinus surgery has an overall cure rate of greater than 95%.

What to expect with computer-assisted sinus surgery

During this surgery, your surgeon will carefully insert an endoscope through the nose into the sinuses. Images from the endoscope allow a surgeon to precisely navigate the affected areas of the nose and sinuses while leaving healthy areas untouched.

The surgeon also uses the Medtronic Fusion™ navigation system, a specialized three-dimensional, computer-enhanced visualization system, which provides the surgeon with a real-time display of a surgical instrument’s location and trajectory overlain on the patient’s CT scan for extremely precise control.

Your surgeon can then perform biopsies, clear the sinuses, and remove abnormal growths by using special tools that slide beside the endoscope. Using this technique, skull base and sinus tumours can also be removed without making an incision on the face. Once the procedure is finished your surgeon will gently remove the endoscope.

The total procedure takes about two and a half hours and you will be able to return home the same day.

Recovery after computer-assisted sinus surgery

Computer-assisted sinus surgery requires much less recovery time than an open surgery technique. You will usually be able to return to work within a week of surgery and full recovery takes less than six weeks.

Symptoms of Sinusitis

  • Facial congestion (pressure)
  • Nasal obstruction
  • Loss of smell
  • A chronic cough
  • Nasal discharge
  • Bad smell coming from the nose
  • Bad breath
  • Post-nasal drip down the throat
  • Fever
  • Headaches
  • Dental/ear pain
  • Disturbed sleep and fatigue
  • Muscle joint pain.

Next steps: Book your sinus surgery consultation

If you are ready to discuss your surgery needs with our board-certified surgeons, request a consultation today. During your consultation your patient care adviser will discuss:

  • Your medical history
  • Pre and post-operative care
  • Potential risks and complications

Computer Assisted Sinus Surgery/Bi-CASS: Doctors



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