Effect of Aprepitant on Post-operative Nausea and Vomiting in Otologic Surgery

Otologic Disease

aprepitant, nausea, vomiting, otologic surgery

This project is being carried out to study the use of a medication to reduce nausea and vomiting after ear surgery.

Post-operative nausea and vomiting (PONV) is one of the most common post-surgical complications and is associated with prolonged hospital stays, higher readmission rates, and heightened physical and emotional burden on patients and their families. While the general incidence of PONV is reported to be approximately 20-30% across all specialties, it may affect up to 60-80% of patients undergoing middle ear surgery. Indeed, surgical drilling and irrigation close to inner ear structures may stimulate the vestibular system and activate the chemoreceptor trigger zone and emetic center. Aprepitant is a novel selective neurokinin-1 (NK1) antagonist which has been extensively studied for the prevention of chemotherapy-induced nausea and vomiting. Randomized controlled trials in gynecologic and open abdominal surgery have shown pre-operative oral aprepitant may provide benefit in reducing nausea and vomiting in the post-operative setting, even beyond commonly employed anti-emetics such as 5HT3 receptor antagonists4. While some authors have reported on its use in thyroid, facial plastics and transsphenoidal surgery, no trial to date has specifically investigated the use of pre-operative aprepitant as an adjunctive medication to reduce post-operative nausea and vomiting in patients undergoing middle ear surgery. The hypothesis of this research project is that pre-operative aprepitant will provide the added benefit in reducing the incidence of post-operative nausea and vomiting in patients undergoing middle ear surgery when administered in conjunction with a 5-HT3 antagonist and dexamethasone.

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Canada