A study of 80 elective cesarean patients found less intraoperative nausea with a fentanyl-midazolam combination, while postoperative nausea did not differ significantly.
Both groups received midazolam after fetal delivery during spinal anesthesia. One also received fentanyl. Intraoperative nausea or vomiting occurred in 2 of 40 combination patients and 10 of 40 midazolam-only patients. Satisfaction was higher with the combination, and sedation tended to be deeper.
The findings concern this selected obstetric procedure and regimen. They do not establish that adding an opioid always reduces nausea, nor isolate whether sedation depth explained the result. The absence of a significant postoperative difference should remain part of the summary. This modest study also cannot characterize every uncommon respiratory complication. For evaluating a clinical episode, distinguish intraoperative symptoms, later nausea, sedation depth, and safety rather than merging them into a single claim of better sedation.
Original analysis of the supplied journal article, identified as PMC6833428.