NCT03171688 Risk Factors for PONV after caesareans

Published: 29 April 2021| Version 2 | DOI: 10.17632/p6b284247n.2
Gabriel Guimaraes


Data used in research registered as NCT03171688


Steps to reproduce

Study protocol 1.Eligible patients were invited to participate when cesarean section was indicated and theanesthesiologist asked to provide anesthesia. 2.We began the informed consent protocol. 3.Specific data was collected before operating room: identification, age, previous PONV status (no previous surgery, previous surgery and no PONV, previous surgery and ponv),historyof motion sickness, gestational age, smoking status, nausea in the first trimester,nausea in the third trimester. 4.More data was collected in the operating room: initial mean arterial pressure (measured by the anesthesiologist), anesthesia technique, heavy bupivacaine spinal dose, Sufentanilspinal dose, fentanil spinal dose, morphine spinal dose, if received intravenous opioids,intraoperative nausea, intraoperative vomiting, lowest mean arterial pressure afteranesthesia, if vasopressors were used and how (if prophylactic or after symptoms); 5.Some secondary outcome data was collected in post anesthesia care unit (PACU) during the first 2 hours: nausea and intensity (0-10), vomiting episodes number. 6.The main outcome data was collected 24 hours after the cesarean, for complications between 2-24 hours after the cesarean: nausea and intensity (0-10), vomiting episodesnumber. 7.Informed consent was confirmed in the end by repeating explanations to the patient and asking her for signing the informed consent form.


Universidade de Brasilia, Universidade de Sao Paulo


Risk Factor, Anesthesia, Caesarean, Postoperative Nausea