BackgroundMicrovascular decompression with retromastoid craniotomy carries an especially high risk of postoperative nausea and vomiting. In this study. we compare the antiemetic efficacy of ramosetron and ondansetron in patients undergoing microvascular decompression with retromastoid craniotomy. MethodsUsing balanced anesthesia with sevoflurane and remifentanil infusion. https://atome3des.shop/product-category/formation/